POST /v1/heuristics

Returns the heuristics of a chess game. A chess game can be plotted in terms of balance. +1 is the best possible evaluation for White and -1 the best possible evaluation for Black. Both forces being set to 0 means they're balanced.

Parameters

Name	Description	Required
variant	Accepts: 960, capablanca, capablanca-fischer, classical.	Yes
movetext	A portable game notation (PGN) movetext.	Yes
fen	Initial FEN string.	No
startPos	Start position.	Only in a Chess960 game.

Example

curl https://api.chesslablab.org/v1/heuristics \
  -H "Content-Type: application/json" \
  --data-raw '{
    "variant": "classical",
    "movetext": "1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3"
  }'

{
    "names": [
        "Center",
        "Space"
    ],
    "balance": [
        [
            0,
            0.89,
            -1,
            0.45,
            0.05,
            0.4,
            0.4,
            1
        ],
        [
            0,
            1,
            0.33,
            1,
            0.33,
            0.5,
            0.33,
            0.5
        ]
    ]
}