OpenAI Chess

Play chess against ChatGPT-4

Thinking

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\n \n \n \n \n \n `)\n})\n\napp.post(\"/game/:id\", async (c) => {\n const san = (await c.req.json()).san\n\n const moves = await sqlite.execute({\n sql: `SELECT move_san from chess_moves WHERE game_id = ? ORDER BY ID ASC`,\n args: [c.req.param().id],\n })\n\n const chess = new Chess()\n for (let row of moves.rows) {\n chess.move(row[0])\n }\n\n try {\n chess.move(san)\n\n const openai = new OpenAI()\n\n let messages = []\n\n await new Promise(resolve => setTimeout(resolve, 2000))\n\n for (let i = 0; i < 5; i++) {\n await sqlite.execute({\n sql: `INSERT INTO chess_messages (game_id, message) VALUES (?, ?)`,\n args: [c.req.param().id, `Requesting response to ${san}`],\n })\n const completion = await openai.chat.completions.create({\n messages: [\n {\n role: \"system\",\n content: `\n You are a chess grandmaster.\nYou will be given a partially completed game.\nAfter seeing it, you should choose the next move.\nUse standard algebraic notation, e.g. \"e4\" or \"Rdf8\" or \"R1a3\".\nNEVER give a turn number.\nNEVER explain your choice.\n `,\n },\n {\n role: \"user\",\n content: chess.pgn(),\n },\n ...messages,\n ],\n model: \"gpt-4\",\n max_tokens: 30,\n })\n\n const proposed = completion.choices.at(0)?.message.content\n\n const moves = await sqlite.execute({\n sql: `INSERT INTO chess_messages (game_id, message) VALUES (?, ?)`,\n args: [c.req.param().id, proposed],\n })\n\n try {\n chess.move(proposed)\n await sqlite.execute({\n sql: `INSERT INTO chess_moves (game_id, move_san) VALUES (?, ?)`,\n args: [c.req.param().id, san],\n })\n await sqlite.execute({\n sql: `INSERT INTO chess_moves (game_id, move_san) VALUES (?, ?)`,\n args: [c.req.param().id, proposed],\n })\n\n const messages = await sqlite.execute({\n sql: `SELECT message FROM chess_messages WHERE game_id = ? ORDER BY DATE ASC`,\n args: [c.req.param().id],\n }).then(r => r.rows.map(r => r[0]))\n\n return c.json({\n fen: chess.fen(),\n completion,\n messages,\n })\n } catch (e) {\n messages.push(completion.choices.at(0).message)\n messages.push({\n role: \"user\",\n content: \"That move is invalid. Try again.\",\n })\n\n const moves = await sqlite.execute({\n sql: `INSERT INTO chess_messages (game_id, message) VALUES (?, ?)`,\n args: [c.req.param().id, \"That move is invalid\"],\n })\n\n await new Promise(resolve => setTimeout(resolve, 500))\n }\n }\n } catch (e) {\n const moves = await sqlite.execute({\n sql: `INSERT INTO chess_messages (game_id, message) VALUES (?, ?)`,\n args: [c.req.param().id, e.message],\n })\n const msg = await sqlite.execute({\n sql: `SELECT message FROM chess_messages WHERE game_id = ? ORDER BY DATE ASC`,\n args: [c.req.param().id],\n }).then(r => r.rows.map(r => r[0]))\n return c.json({ e: e.message, message: \"Illegal move\", messages: msg })\n }\n})\n\napp.get(\"/game/:id\", async (c) => {\n const moves = await sqlite.execute({\n sql: `SELECT move_san from chess_moves WHERE game_id = ? ORDER BY ID ASC`,\n args: [c.req.param().id],\n })\n\n const chess = new Chess()\n for (let row of moves.rows) {\n chess.move(row[0])\n }\n\n return c.json({\n moves: moves.rows.map(m => m[0]),\n fen: chess.fen(),\n })\n})\n\nexport default app.fetch","label",[77],"2dcbaba4-250e-11f0-acaf-569c3dd06744",["D",1732299242354],"# ChatGPT Chess\n\nInspired by [all this hubbub about chess weirdness](https://dynomight.net/more-chess/), this val lets you play chess _against ChatGPT 4_.\n\nExpect some \"too many requests\" hiccups along the way. ChatGPT gets pretty bad at making valid moves after the first 10 or so\nexchanges. This lets it retry up to 5 times to make a valid move, but if it can't, it can't.",[66],"pulls","branches","forks","envVars",{"_72":75,"_191":75},"connections",{"_72":75,"_190":75},"unfilledCount","emptyCount",{"_30":179,"_13":66,"_64":65,"_40":-5,"_32":33,"_171":37,"_172":102,"_34":198,"_36":75,"_67":50,"_175":181,"_68":24,"_177":-5,"_195":199,"_146":200},{"_30":170,"_13":77,"_64":76,"_40":-5,"_32":33,"_171":132,"_172":102,"_34":194,"_36":174,"_67":78,"_175":176,"_68":24,"_177":-5,"_195":196,"_146":197},["D",1732304842446],"children",[],[77],["D",1732299242354],[],[66],["D",1745940327642],{"_11":12,"_145":71},{"_11":12,"_141":-5,"_70":71,"_25":69,"_142":143,"_144":24},{"_36":132,"_13":16,"_30":33,"_133":98,"_134":-5,"_135":-5,"_136":-5,"_137":-5,"_138":-5,"_139":14,"_140":12},"ctx",{"_48":-5,"_165":238,"_239":240,"_241":242,"_243":24,"_244":24,"_245":24,"_246":102,"_247":-5,"_248":-7,"_249":-7,"_250":75,"_251":24,"_252":24,"_253":-5,"_254":24,"_255":24,"_256":24,"_257":-5},"ENV",{"_209":210,"_211":212,"_213":16,"_214":215,"_216":217,"_218":219,"_220":221,"_222":223,"_224":225,"_226":227,"_228":229,"_230":231,"_232":233,"_234":235,"_236":237},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","fdb67791413f4386b4dbf18f354029a617f6160f","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

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