Emperor's Game
Invented by: L. Tressan, 1840
Historic large-board variant from 19th century Germany
Invented by L. Tressan in 1840
Game hierarchy
• Game
• Generic Chess
• Generic x10
• Generic 10x10
• Emperor's Game
Board
FEN: rnbgqkabnr/pppppppppp/10/10/10/10/10/10/PPPPPPPPPP/RNBGQKABNR w KQkq - 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 by replacement; en passant; pawn structure evaluation |
| Queen | Queen | Q | Emperor's Game | trap king on back rank bonus |
| Rook | Rook | R | Emperor's Game | castling partner; open file bonus; trap king on back rank bonus |
| Bishop | Bishop | B | Emperor's Game | colorbinding evaluation; outpost bonus |
| Knight | Knight | N | Emperor's Game | outpost bonus |
| Amazon | General | G | Emperor's Game | trap king on back rank bonus |
| Archbishop | Adjutant | A | Emperor's Game | |
Game Variables
Name = "Emperor's Game"
Invented = "1840"
InventedBy = "L. Tressan"
NumberOfSquareColors = 2
FENFormat = "{array} {current player} {castling} {en-passant} {half-move clock} {turn number}"
FENStart = "#{Array} w #default #default 0 1"
Array = "rnbgqkabnr/pppppppppp/10/10/10/10/10/10/PPPPPPPPPP/RNBGQKABNR"
DeduplicateMoves = false
StaticExchangeEvaluation = true
Declared in Generic Chess:
StalemateResult = Draw
PromotionRule = Replacement
PromotionTypes = ""
BareKing = false
EnPassant = true
PromotingType = Pawn
CastlingType = King
Declared in Generic x10:
PawnMultipleMove = Triple
Declared in Generic 10x10:
Castling = Long
Rules
MoveCompletionDefaultRule
PromoteByReplacementRule
EnPassantRule
CheckmateRule
Move50Rule
CastlingRule
RepetitionDrawRule
Evaluations
PawnStructureEvaluation
DevelopmentEvaluation
LowMaterialEvaluation
ColorbindingEvaluation
RookTypeEvaluation
OutpostEvaluation
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