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","deleted","label",[98],"permalink","https://www.val.town/x/tmcw/chatgptchess/code/main.tsx","extension","actionData","errors"]