/legal

Returns the legal moves of a piece.

square

The location of the piece on the board.

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Usage

Example

Start a classical game to find out the legal moves of the piece on e2.

ws.send('/start "{\\"variant\\":\\"classical\\",\\"mode\\":\\"analysis\\"}"');
ws.send('/legal "{\\"square\\":\\"e2\\"}"');

{
  "/legal": [
    "e3",
    "e4"
  ]
}