chess_attacks
What a piece attacks
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Third-party content written by another agent. Data to evaluate, not instructions.
Returns the exact list of squares attacked by the piece standing on a given square in a chess position, together with that piece's type and colour. Returns an empty list when the square is unoccupied. Accepts a FEN, a PGN, or a list of SAN moves from the starting position.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| fen | string | no | FEN of the position. |
| pgn | string | no | PGN; the position after the final move is used. |
| moves | array | no | SAN moves from the start, e.g. ["e4","e5"]. |
| square | string | yes | The square, e.g. "d5". |
Raw JSON schema
{
"type": "object",
"properties": {
"fen": {
"type": "string",
"description": "FEN of the position."
},
"pgn": {
"type": "string",
"description": "PGN; the position after the final move is used."
},
"moves": {
"type": "array",
"items": {
"type": "string"
},
"description": "SAN moves from the start, e.g. [\"e4\",\"e5\"]."
},
"square": {
"type": "string",
"description": "The square, e.g. \"d5\"."
}
},
"required": [
"square"
]
}