diff --git a/README.md b/README.md
index c0dad8a..03d9e73 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # build-your-own-gleam-chess-bot
 
-Content for the "Build your own Gleam Chess Bot" challenge
+Content for the "Build your own Gleam Chess Bot (JS)" challenge
 
 ### Setup
 
diff --git a/compiled_starters/gleam/.codecrafters/compile.sh b/compiled_starters/gleam/.codecrafters/compile.sh
index c3f4fe5..3262cf7 100755
--- a/compiled_starters/gleam/.codecrafters/compile.sh
+++ b/compiled_starters/gleam/.codecrafters/compile.sh
@@ -8,4 +8,5 @@
 
 set -e # Exit on failure
 
-gleam export erlang-shipment
\ No newline at end of file
+gleam deps download
+gleam build --target javascript
diff --git a/compiled_starters/gleam/.codecrafters/run.sh b/compiled_starters/gleam/.codecrafters/run.sh
index 67445b8..b1db014 100755
--- a/compiled_starters/gleam/.codecrafters/run.sh
+++ b/compiled_starters/gleam/.codecrafters/run.sh
@@ -7,4 +7,6 @@
 # Learn more: https://codecrafters.io/program-interface
 
 set -e # Exit on failure
-exec ./build/erlang-shipment/entrypoint.sh run "$@"
\ No newline at end of file
+
+echo "main()" >> build/dev/javascript/chess_bot/chess_bot.mjs
+deno run --allow-net build/dev/javascript/chess_bot/chess_bot.mjs
diff --git a/compiled_starters/gleam/.gitignore b/compiled_starters/gleam/.gitignore
index 599be4e..5166e69 100644
--- a/compiled_starters/gleam/.gitignore
+++ b/compiled_starters/gleam/.gitignore
@@ -1,4 +1,4 @@
 *.beam
 *.ez
 /build
-erl_crash.dump
+erl_crash.dump
\ No newline at end of file
diff --git a/compiled_starters/gleam/README.md b/compiled_starters/gleam/README.md
index 131ac1a..463d669 100644
--- a/compiled_starters/gleam/README.md
+++ b/compiled_starters/gleam/README.md
@@ -1,7 +1,7 @@
 ![progress-banner](https://codecrafters.io/landing/images/default_progress_banners/gleam-chess-bot.png)
 
 This is a starting point for Gleam solutions to the
-["Build Your Own Gleam Chess Bot" Challenge](https://codecrafters.io/challenges/gleam-chess-bot).
+["Build Your Own Gleam Chess Bot (JS)" Challenge](https://codecrafters.io/challenges/gleam-chess-bot).
 
 In this challenge, you'll build a chess bot that's capable of parsing FEN
 strings and making valid chess moves.
diff --git a/compiled_starters/gleam/codecrafters.yml b/compiled_starters/gleam/codecrafters.yml
index b2fca8c..f2776e2 100644
--- a/compiled_starters/gleam/codecrafters.yml
+++ b/compiled_starters/gleam/codecrafters.yml
@@ -7,5 +7,5 @@ debug: true
 # Use this to change the Gleam version used to run your code
 # on Codecrafters.
 #
-# Available versions: gleam-1.9
-language_pack: gleam-1.9
+# Available versions: gleam-1.10
+language_pack: gleam-1.10
diff --git a/compiled_starters/gleam/gleam.toml b/compiled_starters/gleam/gleam.toml
index 2241032..921b4af 100644
--- a/compiled_starters/gleam/gleam.toml
+++ b/compiled_starters/gleam/gleam.toml
@@ -1,6 +1,12 @@
 name = "chess_bot"
 version = "1.0.0"
-target = "erlang"
+target = "javascript"
+
+[javascript]
+runtime = "deno"
+
+[javascript.deno]
+allow_all = true
 
 # Fill out these fields if you intend to generate HTML documentation or publish
 # your project to the Hex package manager.
@@ -14,11 +20,11 @@ target = "erlang"
 # https://gleam.run/writing-gleam/gleam-toml/.
 
 [dependencies]
-gleam_stdlib = ">= 0.34.0 and < 2.0.0"
-wisp = ">= 1.5.3 and < 2.0.0"
-mist = ">= 4.0.7 and < 5.0.0"
+gleam_stdlib = ">= 0.44.0 and < 2.0.0"
+glen = ">= 2.2.2 and < 3.0.0"
+gleam_javascript = ">= 1.0.0 and < 2.0.0"
 gleam_json = ">= 2.3.0 and < 3.0.0"
-gleam_erlang = ">= 0.34.0 and < 1.0.0"
+gleam_http = ">= 3.7.2 and < 4.0.0"
 
 [dev-dependencies]
-gleeunit = ">= 1.0.0 and < 2.0.0"
+gleeunit = ">= 1.0.0 and < 2.0.0"
\ No newline at end of file
diff --git a/compiled_starters/gleam/manifest.toml b/compiled_starters/gleam/manifest.toml
index 41a8724..03869ee 100644
--- a/compiled_starters/gleam/manifest.toml
+++ b/compiled_starters/gleam/manifest.toml
@@ -2,34 +2,24 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "directories", version = "1.1.0", build_tools = ["gleam"], requirements = ["envoy", "gleam_stdlib", "platform", "simplifile"], otp_app = "directories", source = "hex", outer_checksum = "BDA521A4EB9EE3A7894F0DC863797878E91FF5C7826F7084B2E731E208BDB076" },
-  { name = "envoy", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "envoy", source = "hex", outer_checksum = "95FD059345AA982E89A0B6E2A3BF1CF43E17A7048DCD85B5B65D3B9E4E39D359" },
-  { name = "exception", version = "2.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "exception", source = "hex", outer_checksum = "F5580D584F16A20B7FCDCABF9E9BE9A2C1F6AC4F9176FA6DD0B63E3B20D450AA" },
+  { name = "conversation", version = "2.0.1", build_tools = ["gleam"], requirements = ["gleam_http", "gleam_javascript", "gleam_stdlib"], otp_app = "conversation", source = "hex", outer_checksum = "103DF47463B8432AB713D6643DC17244B9C82E2B172A343150805129FE584A2F" },
   { name = "filepath", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "67A6D15FB39EEB69DD31F8C145BB5A421790581BD6AA14B33D64D5A55DBD6587" },
-  { name = "gleam_crypto", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_crypto", source = "hex", outer_checksum = "8AE56026B3E05EBB1F076778478A762E9EB62B31AEEB4285755452F397029D22" },
-  { name = "gleam_erlang", version = "0.34.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "0C38F2A128BAA0CEF17C3000BD2097EB80634E239CE31A86400C4416A5D0FDCC" },
-  { name = "gleam_http", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "0A62451FC85B98062E0907659D92E6A89F5F3C0FBE4AB8046C99936BF6F91DBC" },
+  { name = "gleam_community_ansi", version = "1.4.2", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_regexp", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "479DEDC748D08B310C9FEB9C4CBEC46B95C874F7F4F2844304D6D20CA78A8BB5" },
+  { name = "gleam_community_colour", version = "1.4.1", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "386CB9B01B33371538672EEA8A6375A0A0ADEF41F17C86DDCB81C92AD00DA610" },
+  { name = "gleam_http", version = "3.7.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "8A70D2F70BB7CFEB5DF048A2183FFBA91AF6D4CF5798504841744A16999E33D2" },
+  { name = "gleam_javascript", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EF6C77A506F026C6FB37941889477CD5E4234FCD4337FF0E9384E297CB8F97EB" },
   { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
-  { name = "gleam_otp", version = "0.16.1", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "50DA1539FC8E8FA09924EB36A67A2BBB0AD6B27BCDED5A7EF627057CF69D035E" },
+  { name = "gleam_regexp", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_regexp", source = "hex", outer_checksum = "7F5E0C0BBEB3C58E57C9CB05FA9002F970C85AD4A63BA1E55CBCB35C15809179" },
   { name = "gleam_stdlib", version = "0.55.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "32D8F4AE03771516950047813A9E359249BD9FBA5C33463FDB7B953D6F8E896B" },
-  { name = "gleam_yielder", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_yielder", source = "hex", outer_checksum = "8E4E4ECFA7982859F430C57F549200C7749823C106759F4A19A78AEA6687717A" },
   { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
-  { name = "glisten", version = "7.0.1", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_otp", "gleam_stdlib", "logging", "telemetry"], otp_app = "glisten", source = "hex", outer_checksum = "1A53CF9FB3231A93FF7F1BD519A43DC968C1722F126CDD278403A78725FC5189" },
-  { name = "gramps", version = "3.0.1", build_tools = ["gleam"], requirements = ["gleam_crypto", "gleam_erlang", "gleam_http", "gleam_stdlib"], otp_app = "gramps", source = "hex", outer_checksum = "59194B3980110B403EE6B75330DB82CDE05FC8138491C2EAEACBC7AAEF30B2E8" },
-  { name = "hpack_erl", version = "0.3.0", build_tools = ["rebar3"], requirements = [], otp_app = "hpack", source = "hex", outer_checksum = "D6137D7079169D8C485C6962DFE261AF5B9EF60FBC557344511C1E65E3D95FB0" },
-  { name = "logging", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "logging", source = "hex", outer_checksum = "1098FBF10B54B44C2C7FDF0B01C1253CAFACDACABEFB4B0D027803246753E06D" },
+  { name = "glen", version = "2.2.2", build_tools = ["gleam"], requirements = ["conversation", "filepath", "gleam_community_ansi", "gleam_http", "gleam_javascript", "gleam_stdlib", "marceau"], otp_app = "glen", source = "hex", outer_checksum = "62DF8F8305650237B58B7F29C01016383950479D35FCD8393800CAB94675B0DE" },
   { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
-  { name = "mist", version = "4.0.7", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_http", "gleam_otp", "gleam_stdlib", "gleam_yielder", "glisten", "gramps", "hpack_erl", "logging"], otp_app = "mist", source = "hex", outer_checksum = "F7D15A1E3232E124C7CE31900253633434E59B34ED0E99F273DEE61CDB573CDD" },
-  { name = "platform", version = "1.0.0", build_tools = ["gleam"], requirements = [], otp_app = "platform", source = "hex", outer_checksum = "8339420A95AD89AAC0F82F4C3DB8DD401041742D6C3F46132A8739F6AEB75391" },
-  { name = "simplifile", version = "2.2.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "0DFABEF7DC7A9E2FF4BB27B108034E60C81BEBFCB7AB816B9E7E18ED4503ACD8" },
-  { name = "telemetry", version = "1.3.0", build_tools = ["rebar3"], requirements = [], otp_app = "telemetry", source = "hex", outer_checksum = "7015FC8919DBE63764F4B4B87A95B7C0996BD539E0D499BE6EC9D7F3875B79E6" },
-  { name = "wisp", version = "1.5.3", build_tools = ["gleam"], requirements = ["directories", "exception", "gleam_crypto", "gleam_erlang", "gleam_http", "gleam_json", "gleam_stdlib", "logging", "marceau", "mist", "simplifile"], otp_app = "wisp", source = "hex", outer_checksum = "DCD083E0ED3D30EA8CF2EECCA01A8108F7987D7BD908F527862E3D2725436444" },
 ]
 
 [requirements]
-gleam_erlang = { version = ">= 0.34.0 and < 1.0.0" }
+gleam_http = { version = ">= 3.7.2 and < 4.0.0" }
+gleam_javascript = { version = ">= 1.0.0 and < 2.0.0" }
 gleam_json = { version = ">= 2.3.0 and < 3.0.0" }
-gleam_stdlib = { version = ">= 0.34.0 and < 2.0.0" }
+gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
 gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
-mist = { version = ">= 4.0.7 and < 5.0.0" }
-wisp = { version = ">= 1.5.3 and < 2.0.0" }
+glen = { version = ">= 2.2.2 and < 3.0.0" }
\ No newline at end of file
diff --git a/compiled_starters/gleam/src/chess_bot.gleam b/compiled_starters/gleam/src/chess_bot.gleam
index ce37ba7..e60be50 100644
--- a/compiled_starters/gleam/src/chess_bot.gleam
+++ b/compiled_starters/gleam/src/chess_bot.gleam
@@ -1,67 +1,49 @@
-import chess_bot/chess
-
 import gleam/dynamic/decode
-import gleam/erlang/process
-import gleam/io
+import gleam/javascript/promise.{type Promise}
 import gleam/json
-import mist
-import wisp.{type Request, type Response}
-import wisp/wisp_mist
+import glen
+import glen/status
+import chess_bot/chess
+import gleam/io
 
 pub fn main() {
-  wisp.configure_logger()
-  wisp.set_logger_level(wisp.CriticalLevel)
-
-  let secret_key_base = wisp.random_string(64)
-
   // You can use print statements as follows for debugging, they'll be visible when running tests.
   io.println("Logs from your program will appear here!")
 
-// Uncomment this block to pass the first stage
-//
-//  let assert Ok(_) =
-//    handle_request
-//    |> wisp_mist.handler(secret_key_base)
-//    |> mist.new
-//    |> mist.bind("0.0.0.0")
-//    |> mist.port(8000)
-//    |> mist.start_http
-//
-//  process.sleep_forever()
-//}
-// 
-// fn handle_request(request: Request) -> Response {
-//   case wisp.path_segments(request) {
-//     ["move"] -> handle_move(request)
-//     _ -> wisp.ok()
-//   }
-// }
-// fn move_decoder() {
-//   use fen <- decode.field("fen", decode.string)
-//   use turn <- decode.field("turn", chess.player_decoder())
-//   use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
-//   decode.success(#(fen, turn, failed_moves))
-// }
-// 
-// fn handle_move(request: Request) -> Response {
-//   use body <- wisp.require_string_body(request)
-//   
-//   let decode_result = json.parse(body, move_decoder())
-//   case decode_result {
-//     Error(_) -> {
-//       io.println("Failed to decode JSON")
-//       wisp.bad_request()
-//     }
-//     Ok(move) -> {
-//       let move_result = chess.move(move.0, move.1, move.2)
-//       case move_result {
-//         Ok(move) -> {
-//           wisp.ok() |> wisp.string_body(move)
-//         }
-//         Error(reason) -> {
-//           wisp.internal_server_error() |> wisp.string_body(reason)
-//         }
-//       }
-//     }
-//  }
+  // Uncomment this block to pass the first stage
+  //
+  // glen.serve(8000, handle_request)
+}
+
+fn handle_request(request: glen.Request) -> Promise(glen.Response) {
+  case glen.path_segments(request) {
+    ["move"] -> handle_move(request)
+    _ -> glen.response(status.ok) |> promise.resolve
+  }
 }
+
+fn move_decoder() {
+  use fen <- decode.field("fen", decode.string)
+  use turn <- decode.field("turn", chess.player_decoder())
+  use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
+  decode.success(#(fen, turn, failed_moves))
+}
+
+fn handle_move(request: glen.Request) -> Promise(glen.Response) {
+  use body <- glen.require_string_body(request)
+  let decode_result = json.parse(body, move_decoder())
+  case decode_result {
+    Error(_) -> glen.response(status.bad_request) |> promise.resolve
+    Ok(move) -> {
+      let move_result = chess.move(move.0, move.1, move.2)
+      case move_result {
+        Ok(move) ->
+          glen.response(status.ok) |> glen.text_body(move) |> promise.resolve
+        Error(reason) ->
+          glen.response(status.internal_server_error)
+          |> glen.text_body(reason)
+          |> promise.resolve
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/compiled_starters/gleam/test/erlang_template_test.gleam b/compiled_starters/gleam/test/js_template_test.gleam
similarity index 98%
rename from compiled_starters/gleam/test/erlang_template_test.gleam
rename to compiled_starters/gleam/test/js_template_test.gleam
index 3831e7a..1a79ea5 100644
--- a/compiled_starters/gleam/test/erlang_template_test.gleam
+++ b/compiled_starters/gleam/test/js_template_test.gleam
@@ -9,4 +9,4 @@ pub fn main() {
 pub fn hello_world_test() {
   1
   |> should.equal(1)
-}
+}
\ No newline at end of file
diff --git a/compiled_starters/gleam/your_program.sh b/compiled_starters/gleam/your_program.sh
index 3718a2e..de34fbf 100755
--- a/compiled_starters/gleam/your_program.sh
+++ b/compiled_starters/gleam/your_program.sh
@@ -14,11 +14,13 @@ set -e # Exit early if any commands fail
 # - Edit .codecrafters/compile.sh to change how your program compiles remotely
 (
   cd "$(dirname "$0")" # Ensure compile steps are run within the repository directory
-  gleam export erlang-shipment
+  gleam deps download
+  gleam build --target javascript
 )
 
 # Copied from .codecrafters/run.sh
 #
 # - Edit this to change how your program runs locally
 # - Edit .codecrafters/run.sh to change how your program runs remotely
-exec ./build/erlang-shipment/entrypoint.sh run "$@"
+echo "main()" >> build/dev/javascript/chess_bot/chess_bot.mjs
+deno run --allow-net build/dev/javascript/chess_bot/chess_bot.mjs
diff --git a/course-definition.yml b/course-definition.yml
index fb02a86..f7e30a1 100644
--- a/course-definition.yml
+++ b/course-definition.yml
@@ -1,5 +1,5 @@
-slug: "gleam-chess-bot"
-name: "Build your own Gleam Chess Bot"
+slug: "gleam-chess-bot-js"
+name: "Build your own Gleam Chess Bot (JS)"
 short_name: "Chess Bot"
 release_status: "beta"
 visibility: "private"
@@ -57,7 +57,7 @@ marketing:
         Didn't even know that was possible!
 
 stages:
-  - slug: "si0"
+  - slug: "qc6"
     name: "Respond to /move request"
     difficulty: easy
     description_md: |-
@@ -96,7 +96,7 @@ stages:
     marketing_md: |-
       In this stage, you'll create a basic HTTP server that can respond to chess move requests.
 
-  - slug: "xt9"
+  - slug: "zo3"
     name: "Respond with an opening"
     difficulty: medium
     description_md: |-
@@ -125,7 +125,7 @@ stages:
     marketing_md: |-
       Make your bot play real chess moves by implementing a simple opening strategy.
 
-  - slug: "wd4"
+  - slug: "xs2"
     name: "Bratko-Kopec test"
     difficulty: hard
     description_md: |-
@@ -159,7 +159,7 @@ stages:
     marketing_md: |-
       Test your bot's tactical abilities against the famous Bratko-Kopec test positions.
 
-  - slug: "zz5"
+  - slug: "ix8"
     name: "Win at Chess"
     difficulty: hard
     description_md: |-
@@ -193,14 +193,14 @@ stages:
       - Your bot must make moves within the 5 second time limit
     marketing_md: |-
       Create a complete chess engine that can play and win full games.
-  
-  - slug: "gd8"
+
+  - slug: "dx9"
     name: "Submit your bot"
     difficulty: easy
     description_md: |-
       In this stage, you'll finalize your submission for the tournament.
 
-      There is an `example.ENTRY.md` file in the starter code that was provided. You will need to rename the file to `ENTRY.md` and fill in the required fields. 
+      There is an `example.ENTRY.md` file in the starter code that was provided. You will need to rename the file to `ENTRY.md` and fill in the required fields.
       You need to mention your name, email and the URL to your repository.
 
       If you don't intend to participate in the tournament, you don't need to fill the details.
@@ -214,4 +214,3 @@ stages:
       - Please do not remove the `example.ENTRY.md` file, before you are ready to submit.
     marketing_md: |-
       Submit your bot to the tournament.
-  
\ No newline at end of file
diff --git a/dockerfiles/gleam-1.9.Dockerfile b/dockerfiles/gleam-1.10.Dockerfile
similarity index 75%
rename from dockerfiles/gleam-1.9.Dockerfile
rename to dockerfiles/gleam-1.10.Dockerfile
index 7297a45..8f5456d 100644
--- a/dockerfiles/gleam-1.9.Dockerfile
+++ b/dockerfiles/gleam-1.10.Dockerfile
@@ -1,12 +1,15 @@
 # syntax=docker/dockerfile:1.7-labs
-FROM ghcr.io/gleam-lang/gleam:v1.9.1-erlang-alpine
+FROM ghcr.io/gleam-lang/gleam:v1.10.0-node-slim
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="gleam.toml,manifest.toml"
 
 WORKDIR /app
 COPY --exclude=.git --exclude=README.md . /app
 
-RUN gleam export erlang-shipment
+RUN gleam deps download
+RUN gleam build --target javascript
+
+RUN npm install -g deno@2.2.11
 
 # Cache build directory
 RUN mkdir -p /app-cached
diff --git a/solutions/gleam/01-si0/code/.codecrafters/compile.sh b/solutions/gleam/01-qc6/code/.codecrafters/compile.sh
similarity index 79%
rename from solutions/gleam/01-si0/code/.codecrafters/compile.sh
rename to solutions/gleam/01-qc6/code/.codecrafters/compile.sh
index c3f4fe5..3262cf7 100755
--- a/solutions/gleam/01-si0/code/.codecrafters/compile.sh
+++ b/solutions/gleam/01-qc6/code/.codecrafters/compile.sh
@@ -8,4 +8,5 @@
 
 set -e # Exit on failure
 
-gleam export erlang-shipment
\ No newline at end of file
+gleam deps download
+gleam build --target javascript
diff --git a/solutions/gleam/01-si0/code/.codecrafters/run.sh b/solutions/gleam/01-qc6/code/.codecrafters/run.sh
similarity index 60%
rename from solutions/gleam/01-si0/code/.codecrafters/run.sh
rename to solutions/gleam/01-qc6/code/.codecrafters/run.sh
index 67445b8..b1db014 100755
--- a/solutions/gleam/01-si0/code/.codecrafters/run.sh
+++ b/solutions/gleam/01-qc6/code/.codecrafters/run.sh
@@ -7,4 +7,6 @@
 # Learn more: https://codecrafters.io/program-interface
 
 set -e # Exit on failure
-exec ./build/erlang-shipment/entrypoint.sh run "$@"
\ No newline at end of file
+
+echo "main()" >> build/dev/javascript/chess_bot/chess_bot.mjs
+deno run --allow-net build/dev/javascript/chess_bot/chess_bot.mjs
diff --git a/solutions/gleam/01-si0/code/.dockerignore b/solutions/gleam/01-qc6/code/.dockerignore
similarity index 100%
rename from solutions/gleam/01-si0/code/.dockerignore
rename to solutions/gleam/01-qc6/code/.dockerignore
diff --git a/solutions/gleam/01-si0/code/.gitattributes b/solutions/gleam/01-qc6/code/.gitattributes
similarity index 100%
rename from solutions/gleam/01-si0/code/.gitattributes
rename to solutions/gleam/01-qc6/code/.gitattributes
diff --git a/solutions/gleam/01-si0/code/.gitignore b/solutions/gleam/01-qc6/code/.gitignore
similarity index 55%
rename from solutions/gleam/01-si0/code/.gitignore
rename to solutions/gleam/01-qc6/code/.gitignore
index 599be4e..5166e69 100644
--- a/solutions/gleam/01-si0/code/.gitignore
+++ b/solutions/gleam/01-qc6/code/.gitignore
@@ -1,4 +1,4 @@
 *.beam
 *.ez
 /build
-erl_crash.dump
+erl_crash.dump
\ No newline at end of file
diff --git a/solutions/gleam/01-si0/code/Dockerfile b/solutions/gleam/01-qc6/code/Dockerfile
similarity index 100%
rename from solutions/gleam/01-si0/code/Dockerfile
rename to solutions/gleam/01-qc6/code/Dockerfile
diff --git a/solutions/gleam/01-si0/code/README.md b/solutions/gleam/01-qc6/code/README.md
similarity index 91%
rename from solutions/gleam/01-si0/code/README.md
rename to solutions/gleam/01-qc6/code/README.md
index 131ac1a..463d669 100644
--- a/solutions/gleam/01-si0/code/README.md
+++ b/solutions/gleam/01-qc6/code/README.md
@@ -1,7 +1,7 @@
 ![progress-banner](https://codecrafters.io/landing/images/default_progress_banners/gleam-chess-bot.png)
 
 This is a starting point for Gleam solutions to the
-["Build Your Own Gleam Chess Bot" Challenge](https://codecrafters.io/challenges/gleam-chess-bot).
+["Build Your Own Gleam Chess Bot (JS)" Challenge](https://codecrafters.io/challenges/gleam-chess-bot).
 
 In this challenge, you'll build a chess bot that's capable of parsing FEN
 strings and making valid chess moves.
diff --git a/solutions/gleam/01-si0/code/codecrafters.yml b/solutions/gleam/01-qc6/code/codecrafters.yml
similarity index 79%
rename from solutions/gleam/01-si0/code/codecrafters.yml
rename to solutions/gleam/01-qc6/code/codecrafters.yml
index b2fca8c..f2776e2 100644
--- a/solutions/gleam/01-si0/code/codecrafters.yml
+++ b/solutions/gleam/01-qc6/code/codecrafters.yml
@@ -7,5 +7,5 @@ debug: true
 # Use this to change the Gleam version used to run your code
 # on Codecrafters.
 #
-# Available versions: gleam-1.9
-language_pack: gleam-1.9
+# Available versions: gleam-1.10
+language_pack: gleam-1.10
diff --git a/solutions/gleam/01-si0/code/example.ENTRY.md b/solutions/gleam/01-qc6/code/example.ENTRY.md
similarity index 100%
rename from solutions/gleam/01-si0/code/example.ENTRY.md
rename to solutions/gleam/01-qc6/code/example.ENTRY.md
diff --git a/solutions/gleam/01-si0/code/gleam.toml b/solutions/gleam/01-qc6/code/gleam.toml
similarity index 65%
rename from solutions/gleam/01-si0/code/gleam.toml
rename to solutions/gleam/01-qc6/code/gleam.toml
index 2241032..921b4af 100644
--- a/solutions/gleam/01-si0/code/gleam.toml
+++ b/solutions/gleam/01-qc6/code/gleam.toml
@@ -1,6 +1,12 @@
 name = "chess_bot"
 version = "1.0.0"
-target = "erlang"
+target = "javascript"
+
+[javascript]
+runtime = "deno"
+
+[javascript.deno]
+allow_all = true
 
 # Fill out these fields if you intend to generate HTML documentation or publish
 # your project to the Hex package manager.
@@ -14,11 +20,11 @@ target = "erlang"
 # https://gleam.run/writing-gleam/gleam-toml/.
 
 [dependencies]
-gleam_stdlib = ">= 0.34.0 and < 2.0.0"
-wisp = ">= 1.5.3 and < 2.0.0"
-mist = ">= 4.0.7 and < 5.0.0"
+gleam_stdlib = ">= 0.44.0 and < 2.0.0"
+glen = ">= 2.2.2 and < 3.0.0"
+gleam_javascript = ">= 1.0.0 and < 2.0.0"
 gleam_json = ">= 2.3.0 and < 3.0.0"
-gleam_erlang = ">= 0.34.0 and < 1.0.0"
+gleam_http = ">= 3.7.2 and < 4.0.0"
 
 [dev-dependencies]
-gleeunit = ">= 1.0.0 and < 2.0.0"
+gleeunit = ">= 1.0.0 and < 2.0.0"
\ No newline at end of file
diff --git a/solutions/gleam/01-qc6/code/manifest.toml b/solutions/gleam/01-qc6/code/manifest.toml
new file mode 100644
index 0000000..03869ee
--- /dev/null
+++ b/solutions/gleam/01-qc6/code/manifest.toml
@@ -0,0 +1,25 @@
+# This file was generated by Gleam
+# You typically do not need to edit this file
+
+packages = [
+  { name = "conversation", version = "2.0.1", build_tools = ["gleam"], requirements = ["gleam_http", "gleam_javascript", "gleam_stdlib"], otp_app = "conversation", source = "hex", outer_checksum = "103DF47463B8432AB713D6643DC17244B9C82E2B172A343150805129FE584A2F" },
+  { name = "filepath", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "67A6D15FB39EEB69DD31F8C145BB5A421790581BD6AA14B33D64D5A55DBD6587" },
+  { name = "gleam_community_ansi", version = "1.4.2", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_regexp", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "479DEDC748D08B310C9FEB9C4CBEC46B95C874F7F4F2844304D6D20CA78A8BB5" },
+  { name = "gleam_community_colour", version = "1.4.1", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "386CB9B01B33371538672EEA8A6375A0A0ADEF41F17C86DDCB81C92AD00DA610" },
+  { name = "gleam_http", version = "3.7.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "8A70D2F70BB7CFEB5DF048A2183FFBA91AF6D4CF5798504841744A16999E33D2" },
+  { name = "gleam_javascript", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EF6C77A506F026C6FB37941889477CD5E4234FCD4337FF0E9384E297CB8F97EB" },
+  { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
+  { name = "gleam_regexp", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_regexp", source = "hex", outer_checksum = "7F5E0C0BBEB3C58E57C9CB05FA9002F970C85AD4A63BA1E55CBCB35C15809179" },
+  { name = "gleam_stdlib", version = "0.55.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "32D8F4AE03771516950047813A9E359249BD9FBA5C33463FDB7B953D6F8E896B" },
+  { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
+  { name = "glen", version = "2.2.2", build_tools = ["gleam"], requirements = ["conversation", "filepath", "gleam_community_ansi", "gleam_http", "gleam_javascript", "gleam_stdlib", "marceau"], otp_app = "glen", source = "hex", outer_checksum = "62DF8F8305650237B58B7F29C01016383950479D35FCD8393800CAB94675B0DE" },
+  { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
+]
+
+[requirements]
+gleam_http = { version = ">= 3.7.2 and < 4.0.0" }
+gleam_javascript = { version = ">= 1.0.0 and < 2.0.0" }
+gleam_json = { version = ">= 2.3.0 and < 3.0.0" }
+gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
+gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
+glen = { version = ">= 2.2.2 and < 3.0.0" }
\ No newline at end of file
diff --git a/solutions/gleam/01-qc6/code/src/chess_bot.gleam b/solutions/gleam/01-qc6/code/src/chess_bot.gleam
new file mode 100644
index 0000000..d146caa
--- /dev/null
+++ b/solutions/gleam/01-qc6/code/src/chess_bot.gleam
@@ -0,0 +1,44 @@
+import gleam/dynamic/decode
+import gleam/javascript/promise.{type Promise}
+import gleam/json
+import glen
+import glen/status
+import chess_bot/chess
+import gleam/io
+
+pub fn main() {
+  glen.serve(8000, handle_request)
+}
+
+fn handle_request(request: glen.Request) -> Promise(glen.Response) {
+  case glen.path_segments(request) {
+    ["move"] -> handle_move(request)
+    _ -> glen.response(status.ok) |> promise.resolve
+  }
+}
+
+fn move_decoder() {
+  use fen <- decode.field("fen", decode.string)
+  use turn <- decode.field("turn", chess.player_decoder())
+  use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
+  decode.success(#(fen, turn, failed_moves))
+}
+
+fn handle_move(request: glen.Request) -> Promise(glen.Response) {
+  use body <- glen.require_string_body(request)
+  let decode_result = json.parse(body, move_decoder())
+  case decode_result {
+    Error(_) -> glen.response(status.bad_request) |> promise.resolve
+    Ok(move) -> {
+      let move_result = chess.move(move.0, move.1, move.2)
+      case move_result {
+        Ok(move) ->
+          glen.response(status.ok) |> glen.text_body(move) |> promise.resolve
+        Error(reason) ->
+          glen.response(status.internal_server_error)
+          |> glen.text_body(reason)
+          |> promise.resolve
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/solutions/gleam/01-si0/code/src/chess_bot/chess.gleam b/solutions/gleam/01-qc6/code/src/chess_bot/chess.gleam
similarity index 100%
rename from solutions/gleam/01-si0/code/src/chess_bot/chess.gleam
rename to solutions/gleam/01-qc6/code/src/chess_bot/chess.gleam
diff --git a/solutions/gleam/01-si0/code/test/erlang_template_test.gleam b/solutions/gleam/01-qc6/code/test/js_template_test.gleam
similarity index 98%
rename from solutions/gleam/01-si0/code/test/erlang_template_test.gleam
rename to solutions/gleam/01-qc6/code/test/js_template_test.gleam
index 3831e7a..1a79ea5 100644
--- a/solutions/gleam/01-si0/code/test/erlang_template_test.gleam
+++ b/solutions/gleam/01-qc6/code/test/js_template_test.gleam
@@ -9,4 +9,4 @@ pub fn main() {
 pub fn hello_world_test() {
   1
   |> should.equal(1)
-}
+}
\ No newline at end of file
diff --git a/solutions/gleam/01-si0/code/your_program.sh b/solutions/gleam/01-qc6/code/your_program.sh
similarity index 78%
rename from solutions/gleam/01-si0/code/your_program.sh
rename to solutions/gleam/01-qc6/code/your_program.sh
index 3718a2e..de34fbf 100755
--- a/solutions/gleam/01-si0/code/your_program.sh
+++ b/solutions/gleam/01-qc6/code/your_program.sh
@@ -14,11 +14,13 @@ set -e # Exit early if any commands fail
 # - Edit .codecrafters/compile.sh to change how your program compiles remotely
 (
   cd "$(dirname "$0")" # Ensure compile steps are run within the repository directory
-  gleam export erlang-shipment
+  gleam deps download
+  gleam build --target javascript
 )
 
 # Copied from .codecrafters/run.sh
 #
 # - Edit this to change how your program runs locally
 # - Edit .codecrafters/run.sh to change how your program runs remotely
-exec ./build/erlang-shipment/entrypoint.sh run "$@"
+echo "main()" >> build/dev/javascript/chess_bot/chess_bot.mjs
+deno run --allow-net build/dev/javascript/chess_bot/chess_bot.mjs
diff --git a/solutions/gleam/01-qc6/diff/src/chess_bot.gleam.diff b/solutions/gleam/01-qc6/diff/src/chess_bot.gleam.diff
new file mode 100644
index 0000000..26b6be3
--- /dev/null
+++ b/solutions/gleam/01-qc6/diff/src/chess_bot.gleam.diff
@@ -0,0 +1,42 @@
+@@ -1,40 +1,35 @@
+ import gleam/dynamic/decode
+ import gleam/javascript/promise.{type Promise}
+ import gleam/json
+ import glen
+ import glen/status
+ import chess_bot/chess
+ import gleam/io
+
+ pub fn main() {
+-  // You can use print statements as follows for debugging, they'll be visible when running tests.
+-  io.println("Logs from your program will appear here!")
+-
+-  // Uncomment this block to pass the first stage
+-  //
+-  // glen.serve(8000, handle_request)
++  glen.serve(8000, handle_request)
+ }
+
+ fn handle_request(request: glen.Request) -> Promise(glen.Response) {
+   case glen.path_segments(request) {
+     ["move"] -> handle_move(request)
+     _ -> glen.response(status.ok) |> promise.resolve
+   }
+ }
+
+ fn move_decoder() {
+   use fen <- decode.field("fen", decode.string)
+   use turn <- decode.field("turn", chess.player_decoder())
+   use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
+   decode.success(#(fen, turn, failed_moves))
+ }
+
+ fn handle_move(request: glen.Request) -> Promise(glen.Response) {
+   use body <- glen.require_string_body(request)
+   let decode_result = json.parse(body, move_decoder())
+   case decode_result {
+     Error(_) -> glen.response(status.bad_request) |> promise.resolve
+     Ok(move) -> {
+       let move_result = chess.move(move.0, move.1, move.2)
+       case move_result {
+         Ok(move) ->
diff --git a/solutions/gleam/01-qc6/explanation.md b/solutions/gleam/01-qc6/explanation.md
new file mode 100644
index 0000000..7c1f59c
--- /dev/null
+++ b/solutions/gleam/01-qc6/explanation.md
@@ -0,0 +1,17 @@
+The entry point for your Chess Bot implementation is in `src/chess_bot.gleam`.
+
+Study and uncomment the relevant code: 
+
+```gleam
+// Uncomment this block to pass the first stage
+
+glen.serve(8000, handle_request)
+```
+
+Push your changes to pass the first stage:
+
+```
+git add .
+git commit -m "pass 1st stage" # any msg
+git push origin master
+```
diff --git a/solutions/gleam/01-si0/code/manifest.toml b/solutions/gleam/01-si0/code/manifest.toml
deleted file mode 100644
index 41a8724..0000000
--- a/solutions/gleam/01-si0/code/manifest.toml
+++ /dev/null
@@ -1,35 +0,0 @@
-# This file was generated by Gleam
-# You typically do not need to edit this file
-
-packages = [
-  { name = "directories", version = "1.1.0", build_tools = ["gleam"], requirements = ["envoy", "gleam_stdlib", "platform", "simplifile"], otp_app = "directories", source = "hex", outer_checksum = "BDA521A4EB9EE3A7894F0DC863797878E91FF5C7826F7084B2E731E208BDB076" },
-  { name = "envoy", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "envoy", source = "hex", outer_checksum = "95FD059345AA982E89A0B6E2A3BF1CF43E17A7048DCD85B5B65D3B9E4E39D359" },
-  { name = "exception", version = "2.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "exception", source = "hex", outer_checksum = "F5580D584F16A20B7FCDCABF9E9BE9A2C1F6AC4F9176FA6DD0B63E3B20D450AA" },
-  { name = "filepath", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "67A6D15FB39EEB69DD31F8C145BB5A421790581BD6AA14B33D64D5A55DBD6587" },
-  { name = "gleam_crypto", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_crypto", source = "hex", outer_checksum = "8AE56026B3E05EBB1F076778478A762E9EB62B31AEEB4285755452F397029D22" },
-  { name = "gleam_erlang", version = "0.34.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "0C38F2A128BAA0CEF17C3000BD2097EB80634E239CE31A86400C4416A5D0FDCC" },
-  { name = "gleam_http", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "0A62451FC85B98062E0907659D92E6A89F5F3C0FBE4AB8046C99936BF6F91DBC" },
-  { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
-  { name = "gleam_otp", version = "0.16.1", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "50DA1539FC8E8FA09924EB36A67A2BBB0AD6B27BCDED5A7EF627057CF69D035E" },
-  { name = "gleam_stdlib", version = "0.55.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "32D8F4AE03771516950047813A9E359249BD9FBA5C33463FDB7B953D6F8E896B" },
-  { name = "gleam_yielder", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_yielder", source = "hex", outer_checksum = "8E4E4ECFA7982859F430C57F549200C7749823C106759F4A19A78AEA6687717A" },
-  { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
-  { name = "glisten", version = "7.0.1", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_otp", "gleam_stdlib", "logging", "telemetry"], otp_app = "glisten", source = "hex", outer_checksum = "1A53CF9FB3231A93FF7F1BD519A43DC968C1722F126CDD278403A78725FC5189" },
-  { name = "gramps", version = "3.0.1", build_tools = ["gleam"], requirements = ["gleam_crypto", "gleam_erlang", "gleam_http", "gleam_stdlib"], otp_app = "gramps", source = "hex", outer_checksum = "59194B3980110B403EE6B75330DB82CDE05FC8138491C2EAEACBC7AAEF30B2E8" },
-  { name = "hpack_erl", version = "0.3.0", build_tools = ["rebar3"], requirements = [], otp_app = "hpack", source = "hex", outer_checksum = "D6137D7079169D8C485C6962DFE261AF5B9EF60FBC557344511C1E65E3D95FB0" },
-  { name = "logging", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "logging", source = "hex", outer_checksum = "1098FBF10B54B44C2C7FDF0B01C1253CAFACDACABEFB4B0D027803246753E06D" },
-  { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
-  { name = "mist", version = "4.0.7", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_http", "gleam_otp", "gleam_stdlib", "gleam_yielder", "glisten", "gramps", "hpack_erl", "logging"], otp_app = "mist", source = "hex", outer_checksum = "F7D15A1E3232E124C7CE31900253633434E59B34ED0E99F273DEE61CDB573CDD" },
-  { name = "platform", version = "1.0.0", build_tools = ["gleam"], requirements = [], otp_app = "platform", source = "hex", outer_checksum = "8339420A95AD89AAC0F82F4C3DB8DD401041742D6C3F46132A8739F6AEB75391" },
-  { name = "simplifile", version = "2.2.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "0DFABEF7DC7A9E2FF4BB27B108034E60C81BEBFCB7AB816B9E7E18ED4503ACD8" },
-  { name = "telemetry", version = "1.3.0", build_tools = ["rebar3"], requirements = [], otp_app = "telemetry", source = "hex", outer_checksum = "7015FC8919DBE63764F4B4B87A95B7C0996BD539E0D499BE6EC9D7F3875B79E6" },
-  { name = "wisp", version = "1.5.3", build_tools = ["gleam"], requirements = ["directories", "exception", "gleam_crypto", "gleam_erlang", "gleam_http", "gleam_json", "gleam_stdlib", "logging", "marceau", "mist", "simplifile"], otp_app = "wisp", source = "hex", outer_checksum = "DCD083E0ED3D30EA8CF2EECCA01A8108F7987D7BD908F527862E3D2725436444" },
-]
-
-[requirements]
-gleam_erlang = { version = ">= 0.34.0 and < 1.0.0" }
-gleam_json = { version = ">= 2.3.0 and < 3.0.0" }
-gleam_stdlib = { version = ">= 0.34.0 and < 2.0.0" }
-gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
-mist = { version = ">= 4.0.7 and < 5.0.0" }
-wisp = { version = ">= 1.5.3 and < 2.0.0" }
diff --git a/solutions/gleam/01-si0/code/src/chess_bot.gleam b/solutions/gleam/01-si0/code/src/chess_bot.gleam
deleted file mode 100644
index 8e3f8de..0000000
--- a/solutions/gleam/01-si0/code/src/chess_bot.gleam
+++ /dev/null
@@ -1,62 +0,0 @@
-import chess_bot/chess
-
-import gleam/dynamic/decode
-import gleam/erlang/process
-import gleam/io
-import gleam/json
-import mist
-import wisp.{type Request, type Response}
-import wisp/wisp_mist
-
-pub fn main() {
-  wisp.configure_logger()
-  wisp.set_logger_level(wisp.CriticalLevel)
-
-  let secret_key_base = wisp.random_string(64)
-
- let assert Ok(_) =
-   handle_request
-   |> wisp_mist.handler(secret_key_base)
-   |> mist.new
-   |> mist.bind("0.0.0.0")
-   |> mist.port(8000)
-   |> mist.start_http
-
- process.sleep_forever()
-}
-
-fn handle_request(request: Request) -> Response {
-  case wisp.path_segments(request) {
-    ["move"] -> handle_move(request)
-    _ -> wisp.ok()
-  }
-}
-fn move_decoder() {
-  use fen <- decode.field("fen", decode.string)
-  use turn <- decode.field("turn", chess.player_decoder())
-  use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
-  decode.success(#(fen, turn, failed_moves))
-}
-
-fn handle_move(request: Request) -> Response {
-  use body <- wisp.require_string_body(request)
-
-  let decode_result = json.parse(body, move_decoder())
-  case decode_result {
-    Error(_) -> {
-      io.println("Failed to decode JSON")
-      wisp.bad_request()
-    }
-    Ok(move) -> {
-      let move_result = chess.move(move.0, move.1, move.2)
-      case move_result {
-        Ok(move) -> {
-          wisp.ok() |> wisp.string_body(move)
-        }
-        Error(reason) -> {
-          wisp.internal_server_error() |> wisp.string_body(reason)
-        }
-      }
-    }
- }
-}
diff --git a/solutions/gleam/01-si0/diff/src/chess_bot.gleam.diff b/solutions/gleam/01-si0/diff/src/chess_bot.gleam.diff
deleted file mode 100644
index a057e33..0000000
--- a/solutions/gleam/01-si0/diff/src/chess_bot.gleam.diff
+++ /dev/null
@@ -1,112 +0,0 @@
-@@ -1,67 +1,62 @@
- import chess_bot/chess
-
- import gleam/dynamic/decode
- import gleam/erlang/process
- import gleam/io
- import gleam/json
- import mist
- import wisp.{type Request, type Response}
- import wisp/wisp_mist
-
- pub fn main() {
-   wisp.configure_logger()
-   wisp.set_logger_level(wisp.CriticalLevel)
-
-   let secret_key_base = wisp.random_string(64)
-
--  // You can use print statements as follows for debugging, they'll be visible when running tests.
--  io.println("Logs from your program will appear here!")
-+ let assert Ok(_) =
-+   handle_request
-+   |> wisp_mist.handler(secret_key_base)
-+   |> mist.new
-+   |> mist.bind("0.0.0.0")
-+   |> mist.port(8000)
-+   |> mist.start_http
-
--// Uncomment this block to pass the first stage
--//
--//  let assert Ok(_) =
--//    handle_request
--//    |> wisp_mist.handler(secret_key_base)
--//    |> mist.new
--//    |> mist.bind("0.0.0.0")
--//    |> mist.port(8000)
--//    |> mist.start_http
--//
--//  process.sleep_forever()
--//}
--// 
--// fn handle_request(request: Request) -> Response {
--//   case wisp.path_segments(request) {
--//     ["move"] -> handle_move(request)
--//     _ -> wisp.ok()
--//   }
--// }
--// fn move_decoder() {
--//   use fen <- decode.field("fen", decode.string)
--//   use turn <- decode.field("turn", chess.player_decoder())
--//   use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
--//   decode.success(#(fen, turn, failed_moves))
--// }
--// 
--// fn handle_move(request: Request) -> Response {
--//   use body <- wisp.require_string_body(request)
--//   
--//   let decode_result = json.parse(body, move_decoder())
--//   case decode_result {
--//     Error(_) -> {
--//       io.println("Failed to decode JSON")
--//       wisp.bad_request()
--//     }
--//     Ok(move) -> {
--//       let move_result = chess.move(move.0, move.1, move.2)
--//       case move_result {
--//         Ok(move) -> {
--//           wisp.ok() |> wisp.string_body(move)
--//         }
--//         Error(reason) -> {
--//           wisp.internal_server_error() |> wisp.string_body(reason)
--//         }
--//       }
--//     }
--//  }
-+ process.sleep_forever()
-+}
-+
-+fn handle_request(request: Request) -> Response {
-+  case wisp.path_segments(request) {
-+    ["move"] -> handle_move(request)
-+    _ -> wisp.ok()
-+  }
-+}
-+fn move_decoder() {
-+  use fen <- decode.field("fen", decode.string)
-+  use turn <- decode.field("turn", chess.player_decoder())
-+  use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
-+  decode.success(#(fen, turn, failed_moves))
-+}
-+
-+fn handle_move(request: Request) -> Response {
-+  use body <- wisp.require_string_body(request)
-+
-+  let decode_result = json.parse(body, move_decoder())
-+  case decode_result {
-+    Error(_) -> {
-+      io.println("Failed to decode JSON")
-+      wisp.bad_request()
-+    }
-+    Ok(move) -> {
-+      let move_result = chess.move(move.0, move.1, move.2)
-+      case move_result {
-+        Ok(move) -> {
-+          wisp.ok() |> wisp.string_body(move)
-+        }
-+        Error(reason) -> {
-+          wisp.internal_server_error() |> wisp.string_body(reason)
-+        }
-+      }
-+    }
-+ }
- }
diff --git a/solutions/gleam/01-si0/explanation.md b/solutions/gleam/01-si0/explanation.md
deleted file mode 100644
index 35b93ed..0000000
--- a/solutions/gleam/01-si0/explanation.md
+++ /dev/null
@@ -1,61 +0,0 @@
-The entry point for your Chess Bot implementation is in `src/chess_bot.gleam`.
-
-Study and uncomment the relevant code: 
-
-```gleam
-// Uncomment this block to pass the first stage
-
- let assert Ok(_) =
-   handle_request
-   |> wisp_mist.handler(secret_key_base)
-   |> mist.new
-   |> mist.bind("0.0.0.0")
-   |> mist.port(8000)
-   |> mist.start_http
-
- process.sleep_forever()
-}
-
-fn handle_request(request: Request) -> Response {
-  case wisp.path_segments(request) {
-    ["move"] -> handle_move(request)
-    _ -> wisp.ok()
-  }
-}
-fn move_decoder() {
-  use fen <- decode.field("fen", decode.string)
-  use turn <- decode.field("turn", chess.player_decoder())
-  use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
-  decode.success(#(fen, turn, failed_moves))
-}
-
-fn handle_move(request: Request) -> Response {
-  use body <- wisp.require_string_body(request)
-
-  let decode_result = json.parse(body, move_decoder())
-  case decode_result {
-    Error(_) -> {
-      io.println("Failed to decode JSON")
-      wisp.bad_request()
-    }
-    Ok(move) -> {
-      let move_result = chess.move(move.0, move.1, move.2)
-      case move_result {
-        Ok(move) -> {
-          wisp.ok() |> wisp.string_body(move)
-        }
-        Error(reason) -> {
-          wisp.internal_server_error() |> wisp.string_body(reason)
-        }
-      }
-    }
- }
-```
-
-Push your changes to pass the first stage:
-
-```
-git add .
-git commit -m "pass 1st stage" # any msg
-git push origin master
-```
diff --git a/starter_templates/all/code/README.md b/starter_templates/all/code/README.md
index 413ca9e..1c5f8c0 100644
--- a/starter_templates/all/code/README.md
+++ b/starter_templates/all/code/README.md
@@ -1,7 +1,7 @@
 ![progress-banner](https://codecrafters.io/landing/images/default_progress_banners/gleam-chess-bot.png)
 
 This is a starting point for {{language_name}} solutions to the
-["Build Your Own Gleam Chess Bot" Challenge](https://codecrafters.io/challenges/gleam-chess-bot).
+["Build Your Own Gleam Chess Bot (JS)" Challenge](https://codecrafters.io/challenges/gleam-chess-bot).
 
 In this challenge, you'll build a chess bot that's capable of parsing FEN
 strings and making valid chess moves.
diff --git a/starter_templates/gleam/.github/workflows/test.yml b/starter_templates/gleam/.github/workflows/test.yml
index 8cf5c75..ae8d0da 100644
--- a/starter_templates/gleam/.github/workflows/test.yml
+++ b/starter_templates/gleam/.github/workflows/test.yml
@@ -19,4 +19,4 @@ jobs:
           rebar3-version: "3"
       - run: gleam deps download
       - run: gleam test
-      - run: gleam format --check src test
+      - run: gleam format --check src test
\ No newline at end of file
diff --git a/starter_templates/gleam/code/.codecrafters/compile.sh b/starter_templates/gleam/code/.codecrafters/compile.sh
index c3f4fe5..3262cf7 100755
--- a/starter_templates/gleam/code/.codecrafters/compile.sh
+++ b/starter_templates/gleam/code/.codecrafters/compile.sh
@@ -8,4 +8,5 @@
 
 set -e # Exit on failure
 
-gleam export erlang-shipment
\ No newline at end of file
+gleam deps download
+gleam build --target javascript
diff --git a/starter_templates/gleam/code/.codecrafters/run.sh b/starter_templates/gleam/code/.codecrafters/run.sh
index 67445b8..b1db014 100755
--- a/starter_templates/gleam/code/.codecrafters/run.sh
+++ b/starter_templates/gleam/code/.codecrafters/run.sh
@@ -7,4 +7,6 @@
 # Learn more: https://codecrafters.io/program-interface
 
 set -e # Exit on failure
-exec ./build/erlang-shipment/entrypoint.sh run "$@"
\ No newline at end of file
+
+echo "main()" >> build/dev/javascript/chess_bot/chess_bot.mjs
+deno run --allow-net build/dev/javascript/chess_bot/chess_bot.mjs
diff --git a/starter_templates/gleam/code/.gitignore b/starter_templates/gleam/code/.gitignore
index 599be4e..5166e69 100644
--- a/starter_templates/gleam/code/.gitignore
+++ b/starter_templates/gleam/code/.gitignore
@@ -1,4 +1,4 @@
 *.beam
 *.ez
 /build
-erl_crash.dump
+erl_crash.dump
\ No newline at end of file
diff --git a/starter_templates/gleam/code/gleam.toml b/starter_templates/gleam/code/gleam.toml
index 2241032..921b4af 100644
--- a/starter_templates/gleam/code/gleam.toml
+++ b/starter_templates/gleam/code/gleam.toml
@@ -1,6 +1,12 @@
 name = "chess_bot"
 version = "1.0.0"
-target = "erlang"
+target = "javascript"
+
+[javascript]
+runtime = "deno"
+
+[javascript.deno]
+allow_all = true
 
 # Fill out these fields if you intend to generate HTML documentation or publish
 # your project to the Hex package manager.
@@ -14,11 +20,11 @@ target = "erlang"
 # https://gleam.run/writing-gleam/gleam-toml/.
 
 [dependencies]
-gleam_stdlib = ">= 0.34.0 and < 2.0.0"
-wisp = ">= 1.5.3 and < 2.0.0"
-mist = ">= 4.0.7 and < 5.0.0"
+gleam_stdlib = ">= 0.44.0 and < 2.0.0"
+glen = ">= 2.2.2 and < 3.0.0"
+gleam_javascript = ">= 1.0.0 and < 2.0.0"
 gleam_json = ">= 2.3.0 and < 3.0.0"
-gleam_erlang = ">= 0.34.0 and < 1.0.0"
+gleam_http = ">= 3.7.2 and < 4.0.0"
 
 [dev-dependencies]
-gleeunit = ">= 1.0.0 and < 2.0.0"
+gleeunit = ">= 1.0.0 and < 2.0.0"
\ No newline at end of file
diff --git a/starter_templates/gleam/code/manifest.toml b/starter_templates/gleam/code/manifest.toml
index 41a8724..03869ee 100644
--- a/starter_templates/gleam/code/manifest.toml
+++ b/starter_templates/gleam/code/manifest.toml
@@ -2,34 +2,24 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "directories", version = "1.1.0", build_tools = ["gleam"], requirements = ["envoy", "gleam_stdlib", "platform", "simplifile"], otp_app = "directories", source = "hex", outer_checksum = "BDA521A4EB9EE3A7894F0DC863797878E91FF5C7826F7084B2E731E208BDB076" },
-  { name = "envoy", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "envoy", source = "hex", outer_checksum = "95FD059345AA982E89A0B6E2A3BF1CF43E17A7048DCD85B5B65D3B9E4E39D359" },
-  { name = "exception", version = "2.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "exception", source = "hex", outer_checksum = "F5580D584F16A20B7FCDCABF9E9BE9A2C1F6AC4F9176FA6DD0B63E3B20D450AA" },
+  { name = "conversation", version = "2.0.1", build_tools = ["gleam"], requirements = ["gleam_http", "gleam_javascript", "gleam_stdlib"], otp_app = "conversation", source = "hex", outer_checksum = "103DF47463B8432AB713D6643DC17244B9C82E2B172A343150805129FE584A2F" },
   { name = "filepath", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "67A6D15FB39EEB69DD31F8C145BB5A421790581BD6AA14B33D64D5A55DBD6587" },
-  { name = "gleam_crypto", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_crypto", source = "hex", outer_checksum = "8AE56026B3E05EBB1F076778478A762E9EB62B31AEEB4285755452F397029D22" },
-  { name = "gleam_erlang", version = "0.34.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "0C38F2A128BAA0CEF17C3000BD2097EB80634E239CE31A86400C4416A5D0FDCC" },
-  { name = "gleam_http", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "0A62451FC85B98062E0907659D92E6A89F5F3C0FBE4AB8046C99936BF6F91DBC" },
+  { name = "gleam_community_ansi", version = "1.4.2", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_regexp", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "479DEDC748D08B310C9FEB9C4CBEC46B95C874F7F4F2844304D6D20CA78A8BB5" },
+  { name = "gleam_community_colour", version = "1.4.1", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "386CB9B01B33371538672EEA8A6375A0A0ADEF41F17C86DDCB81C92AD00DA610" },
+  { name = "gleam_http", version = "3.7.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "8A70D2F70BB7CFEB5DF048A2183FFBA91AF6D4CF5798504841744A16999E33D2" },
+  { name = "gleam_javascript", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EF6C77A506F026C6FB37941889477CD5E4234FCD4337FF0E9384E297CB8F97EB" },
   { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
-  { name = "gleam_otp", version = "0.16.1", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "50DA1539FC8E8FA09924EB36A67A2BBB0AD6B27BCDED5A7EF627057CF69D035E" },
+  { name = "gleam_regexp", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_regexp", source = "hex", outer_checksum = "7F5E0C0BBEB3C58E57C9CB05FA9002F970C85AD4A63BA1E55CBCB35C15809179" },
   { name = "gleam_stdlib", version = "0.55.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "32D8F4AE03771516950047813A9E359249BD9FBA5C33463FDB7B953D6F8E896B" },
-  { name = "gleam_yielder", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_yielder", source = "hex", outer_checksum = "8E4E4ECFA7982859F430C57F549200C7749823C106759F4A19A78AEA6687717A" },
   { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
-  { name = "glisten", version = "7.0.1", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_otp", "gleam_stdlib", "logging", "telemetry"], otp_app = "glisten", source = "hex", outer_checksum = "1A53CF9FB3231A93FF7F1BD519A43DC968C1722F126CDD278403A78725FC5189" },
-  { name = "gramps", version = "3.0.1", build_tools = ["gleam"], requirements = ["gleam_crypto", "gleam_erlang", "gleam_http", "gleam_stdlib"], otp_app = "gramps", source = "hex", outer_checksum = "59194B3980110B403EE6B75330DB82CDE05FC8138491C2EAEACBC7AAEF30B2E8" },
-  { name = "hpack_erl", version = "0.3.0", build_tools = ["rebar3"], requirements = [], otp_app = "hpack", source = "hex", outer_checksum = "D6137D7079169D8C485C6962DFE261AF5B9EF60FBC557344511C1E65E3D95FB0" },
-  { name = "logging", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "logging", source = "hex", outer_checksum = "1098FBF10B54B44C2C7FDF0B01C1253CAFACDACABEFB4B0D027803246753E06D" },
+  { name = "glen", version = "2.2.2", build_tools = ["gleam"], requirements = ["conversation", "filepath", "gleam_community_ansi", "gleam_http", "gleam_javascript", "gleam_stdlib", "marceau"], otp_app = "glen", source = "hex", outer_checksum = "62DF8F8305650237B58B7F29C01016383950479D35FCD8393800CAB94675B0DE" },
   { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
-  { name = "mist", version = "4.0.7", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_http", "gleam_otp", "gleam_stdlib", "gleam_yielder", "glisten", "gramps", "hpack_erl", "logging"], otp_app = "mist", source = "hex", outer_checksum = "F7D15A1E3232E124C7CE31900253633434E59B34ED0E99F273DEE61CDB573CDD" },
-  { name = "platform", version = "1.0.0", build_tools = ["gleam"], requirements = [], otp_app = "platform", source = "hex", outer_checksum = "8339420A95AD89AAC0F82F4C3DB8DD401041742D6C3F46132A8739F6AEB75391" },
-  { name = "simplifile", version = "2.2.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "0DFABEF7DC7A9E2FF4BB27B108034E60C81BEBFCB7AB816B9E7E18ED4503ACD8" },
-  { name = "telemetry", version = "1.3.0", build_tools = ["rebar3"], requirements = [], otp_app = "telemetry", source = "hex", outer_checksum = "7015FC8919DBE63764F4B4B87A95B7C0996BD539E0D499BE6EC9D7F3875B79E6" },
-  { name = "wisp", version = "1.5.3", build_tools = ["gleam"], requirements = ["directories", "exception", "gleam_crypto", "gleam_erlang", "gleam_http", "gleam_json", "gleam_stdlib", "logging", "marceau", "mist", "simplifile"], otp_app = "wisp", source = "hex", outer_checksum = "DCD083E0ED3D30EA8CF2EECCA01A8108F7987D7BD908F527862E3D2725436444" },
 ]
 
 [requirements]
-gleam_erlang = { version = ">= 0.34.0 and < 1.0.0" }
+gleam_http = { version = ">= 3.7.2 and < 4.0.0" }
+gleam_javascript = { version = ">= 1.0.0 and < 2.0.0" }
 gleam_json = { version = ">= 2.3.0 and < 3.0.0" }
-gleam_stdlib = { version = ">= 0.34.0 and < 2.0.0" }
+gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
 gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
-mist = { version = ">= 4.0.7 and < 5.0.0" }
-wisp = { version = ">= 1.5.3 and < 2.0.0" }
+glen = { version = ">= 2.2.2 and < 3.0.0" }
\ No newline at end of file
diff --git a/starter_templates/gleam/code/src/chess_bot.gleam b/starter_templates/gleam/code/src/chess_bot.gleam
index ce37ba7..e60be50 100644
--- a/starter_templates/gleam/code/src/chess_bot.gleam
+++ b/starter_templates/gleam/code/src/chess_bot.gleam
@@ -1,67 +1,49 @@
-import chess_bot/chess
-
 import gleam/dynamic/decode
-import gleam/erlang/process
-import gleam/io
+import gleam/javascript/promise.{type Promise}
 import gleam/json
-import mist
-import wisp.{type Request, type Response}
-import wisp/wisp_mist
+import glen
+import glen/status
+import chess_bot/chess
+import gleam/io
 
 pub fn main() {
-  wisp.configure_logger()
-  wisp.set_logger_level(wisp.CriticalLevel)
-
-  let secret_key_base = wisp.random_string(64)
-
   // You can use print statements as follows for debugging, they'll be visible when running tests.
   io.println("Logs from your program will appear here!")
 
-// Uncomment this block to pass the first stage
-//
-//  let assert Ok(_) =
-//    handle_request
-//    |> wisp_mist.handler(secret_key_base)
-//    |> mist.new
-//    |> mist.bind("0.0.0.0")
-//    |> mist.port(8000)
-//    |> mist.start_http
-//
-//  process.sleep_forever()
-//}
-// 
-// fn handle_request(request: Request) -> Response {
-//   case wisp.path_segments(request) {
-//     ["move"] -> handle_move(request)
-//     _ -> wisp.ok()
-//   }
-// }
-// fn move_decoder() {
-//   use fen <- decode.field("fen", decode.string)
-//   use turn <- decode.field("turn", chess.player_decoder())
-//   use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
-//   decode.success(#(fen, turn, failed_moves))
-// }
-// 
-// fn handle_move(request: Request) -> Response {
-//   use body <- wisp.require_string_body(request)
-//   
-//   let decode_result = json.parse(body, move_decoder())
-//   case decode_result {
-//     Error(_) -> {
-//       io.println("Failed to decode JSON")
-//       wisp.bad_request()
-//     }
-//     Ok(move) -> {
-//       let move_result = chess.move(move.0, move.1, move.2)
-//       case move_result {
-//         Ok(move) -> {
-//           wisp.ok() |> wisp.string_body(move)
-//         }
-//         Error(reason) -> {
-//           wisp.internal_server_error() |> wisp.string_body(reason)
-//         }
-//       }
-//     }
-//  }
+  // Uncomment this block to pass the first stage
+  //
+  // glen.serve(8000, handle_request)
+}
+
+fn handle_request(request: glen.Request) -> Promise(glen.Response) {
+  case glen.path_segments(request) {
+    ["move"] -> handle_move(request)
+    _ -> glen.response(status.ok) |> promise.resolve
+  }
 }
+
+fn move_decoder() {
+  use fen <- decode.field("fen", decode.string)
+  use turn <- decode.field("turn", chess.player_decoder())
+  use failed_moves <- decode.field("failed_moves", decode.list(decode.string))
+  decode.success(#(fen, turn, failed_moves))
+}
+
+fn handle_move(request: glen.Request) -> Promise(glen.Response) {
+  use body <- glen.require_string_body(request)
+  let decode_result = json.parse(body, move_decoder())
+  case decode_result {
+    Error(_) -> glen.response(status.bad_request) |> promise.resolve
+    Ok(move) -> {
+      let move_result = chess.move(move.0, move.1, move.2)
+      case move_result {
+        Ok(move) ->
+          glen.response(status.ok) |> glen.text_body(move) |> promise.resolve
+        Error(reason) ->
+          glen.response(status.internal_server_error)
+          |> glen.text_body(reason)
+          |> promise.resolve
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/starter_templates/gleam/code/test/erlang_template_test.gleam b/starter_templates/gleam/code/test/js_template_test.gleam
similarity index 98%
rename from starter_templates/gleam/code/test/erlang_template_test.gleam
rename to starter_templates/gleam/code/test/js_template_test.gleam
index 3831e7a..1a79ea5 100644
--- a/starter_templates/gleam/code/test/erlang_template_test.gleam
+++ b/starter_templates/gleam/code/test/js_template_test.gleam
@@ -9,4 +9,4 @@ pub fn main() {
 pub fn hello_world_test() {
   1
   |> should.equal(1)
-}
+}
\ No newline at end of file