chessup-gamma.vercel.app
Play chess, review a mistake with your browser agent, and practise it on the same board.
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 4 · Act 15 · Transact 0 · Score: Not yet scored
Tool inspector
record_mistake
Log a mistake the app cannot detect itself (opening, king safety, positional, endgame) into the human's long-term profile with severity, FEN before the move, movePlayed and betterMove. Simple tactical errors are auto-recorded.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
category |
string | yes | — |
severity |
string | no | Default 'mistake'. |
description |
string | yes | One sentence the student will read later. |
fen |
string | no | Position before the mistake. Defaults to the position before the last move. |
movePlayed |
string | no | The move the student played (SAN). |
betterMove |
string | no | What should have been played (SAN). |
Raw JSON schema
{
"type": "object",
"properties": {
"category": {
"type": "string",
"enum": [
"hanging_piece",
"missed_mate",
"allowed_mate",
"missed_capture",
"opening",
"endgame",
"tactics",
"positional",
"king_safety",
"other"
]
},
"severity": {
"type": "string",
"enum": [
"inaccuracy",
"mistake",
"blunder"
],
"description": "Default 'mistake'."
},
"description": {
"type": "string",
"description": "One sentence the student will read later."
},
"fen": {
"type": "string",
"description": "Position before the mistake. Defaults to the position before the last move."
},
"movePlayed": {
"type": "string",
"description": "The move the student played (SAN)."
},
"betterMove": {
"type": "string",
"description": "What should have been played (SAN)."
}
},
"required": [
"category",
"description"
],
"additionalProperties": false
}
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