Total Symmetry Chess
Invented by: Davor Vujacic, 2020
Chess with a randomized piece setup, 24 total positions, 4-way symmetry (except King and Queen), and no castling
Game hierarchy
• Game
• Generic Chess
• Generic x8
• Generic 8x8
• Chess
• Total Symmetry Chess
Board
This game has a randomized starting array so this diagram shows only one example
FEN: bqnrrnkb/pppppppp/8/8/8/8/PPPPPPPP/BQNRRNKB w - - 0 1
Piece Types
| Internal Name | Name | Notation | Added By | Notes |
| King | King | K | Generic Chess | royal |
| Pawn | Pawn | P | Generic Chess | can promote; en passant; pawn structure evaluation |
| Rook | Rook | R | Chess | open file bonus; trap king on back rank bonus |
| Bishop | Bishop | B | Chess | colorbinding evaluation; outpost bonus |
| Knight | Knight | N | Chess | outpost bonus |
| Queen | Queen | Q | Chess | trap king on back rank bonus |
Game Variables
Name = "Total Symmetry Chess"
Invented = "2020"
InventedBy = "Davor Vujacic"
NumberOfSquareColors = 2
FENFormat = "{array} {current player} {castling} {en-passant} {half-move clock} {turn number}"
FENStart = "#{Array} w #default #default 0 1"
Array = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"
DeduplicateMoves = false
StaticExchangeEvaluation = true
Declared in Generic Chess:
StalemateResult = Draw
PromotionRule = Standard
PromotionTypes = "QRNB"
BareKing = false
EnPassant = true
PromotingType = Pawn
CastlingType = King
Declared in Generic x8:
PawnDoubleMove = true
Declared in Generic 8x8:
Castling = None
Declared in Total Symmetry Chess:
PositionNumber = integer between 1 and 24
Rules
MoveCompletionDefaultRule
BasicPromotionRule
EnPassantRule
CheckmateRule
Move50Rule
RepetitionDrawRule
Evaluations
PawnStructureEvaluation
DevelopmentEvaluation
LowMaterialEvaluation
ColorbindingEvaluation
RookTypeEvaluation
OutpostEvaluation
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