Chess and a Half
Invented by: Nicolino Will, 2017
Game hierarchy
• Game
• Generic Chess
• Generic x12
• Generic 12x12
• Chess and a Half
Board
FEN: rnbsccqkcscbnr/pppgppppgppp/12/12/12/12/12/12/12/12/PPPGPPPPGPPP/RNBSCCQKCSCBNR w LAla - 0 1
Piece Types
| Internal Name | Name | Notation | Added By | Notes |
| King | King | K | Generic Chess | royal; can castle |
| Pawn | Pawn | P | Generic Chess | can promote; en passant; pawn structure evaluation |
| Queen | Queen | Q | Chess and a Half | trap king on back rank bonus |
| Rook | Rook | R | Chess and a Half | castling partner; open file bonus; trap king on back rank bonus |
| Bishop | Bishop | B | Chess and a Half | colorbinding evaluation |
| Knight | Knight | N | Chess and a Half | can promote |
| General | Guard | G | Chess and a Half | can promote |
| Cat | C | Chess and a Half | can promote; optional capture by overtake |
| Nightrider | Speedy Knight | SN | Chess and a Half | |
| Centaur | Eques Rex | E | Chess and a Half | |
| Star Cat | SC | Chess and a Half | optional capture by overtake |
Game Variables
Name = "Chess and a Half"
Invented = "2017"
InventedBy = "Nicolino Will"
NumberOfSquareColors = 2
FENFormat = "{array} {current player} {castling} {en-passant} {half-move clock} {turn number}"
FENStart = "#{Array} w #default #default 0 1"
Array = "rnbsccqkcscbnr/pppgppppgppp/12/12/12/12/12/12/12/12/PPPGPPPPGPPP/RNBSCCQKCSCBNR"
DeduplicateMoves = false
StaticExchangeEvaluation = true
Declared in Generic Chess:
StalemateResult = Draw
PromotionRule = Standard
PromotionTypes = "QRBNCG"
BareKing = false
EnPassant = true
PromotingType = Pawn
CastlingType = King
Declared in Generic x12:
PawnMultipleMove = @2(2,3,4)
Declared in Generic 12x12:
Castling = Flexible
Rules
MoveCompletionDefaultRule
BasicPromotionRule
EnPassantRule
CheckmateRule
Move50Rule
FlexibleCastlingRule
BasicPromotionRule
BasicPromotionRule
BasicPromotionRule
OptionalCaptureByOvertakeRule
RepetitionDrawRule
Evaluations
PawnStructureEvaluation
DevelopmentEvaluation
LowMaterialEvaluation
ColorbindingEvaluation
RookTypeEvaluation
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