/heuristic

Balance of a chess heuristic.

variant

The chess variant as per these options.

  • classical chess, also known as standard or slow chess.
  • 960 is the same as classical chess except that the starting position of the pieces is randomized.
  • dunsany is an asymmetric variant in which Black has the standard chess army and White has 32 pawns.
  • losing chess, the objective of each player is to lose all of their pieces or be stalemated.
  • racing-kings consists of being the first player to move their king to the eighth row.

movetext

The sequence of moves played in the game.

name

The name of the heuristic as per these options.

  • Material
  • Center
  • Connectivity
  • Space
  • Pressure
  • King safety
  • Protection
  • Discovered check
  • Doubled pawn
  • Passed pawn
  • Advanced pawn
  • Far-advanced pawn
  • Isolated pawn
  • Backward pawn
  • Defense
  • Absolute skewer
  • Absolute pin
  • Relative pin
  • Absolute fork
  • Relative fork
  • Outpost square
  • Knight outpost
  • Bishop outpost
  • Bishop pair
  • Bad bishop
  • Diagonal opposition
  • Direct opposition
  • Overloading

Usage

Example

ws.send('/heuristic "{\\"variant\\":\\"classical\\",\\"movetext\\":\\"1.e4 e5 2.Nf3 Nc6 3.Bc4\\",\\"name\\":\\"Center\\"}"');

{
  "/heuristic": [
    0,
    1,
    0,
    0.62,
    0.25,
    0.81
  ]
}