Colossus

Invented by: Charles Daniel, 2010

A large board variant with standard pieces and twice as many rooks, knights, and bishops

Game hierarchy

• Game
    • Generic Chess
        • Generic x10
            • Generic 10x10
                • Colossus

Board

FEN: r1nb2bn1r/1rnbqkbnr/pppppppppp/10/10/10/10/PPPPPPPPPP/1RNBQKBNR/R1NB2BN1R w KQkq - 0 1

Piece Types

Internal NameNameNotationAdded ByNotes
KingKingKGeneric Chessroyal; can castle
PawnPawnPGeneric Chesscan promote; en passant; pawn structure evaluation
QueenQueenQColossustrap king on back rank bonus
RookRookRColossuscastling partner; open file bonus; trap king on back rank bonus
BishopBishopBColossuscolorbinding evaluation; outpost bonus
KnightKnightNColossusoutpost bonus

Game Variables

Name = "Colossus"
Invented = "2010"
InventedBy = "Charles Daniel"
NumberOfSquareColors = 2
FENFormat = "{array} {current player} {castling} {en-passant} {half-move clock} {turn number}"
FENStart = "#{Array} w #default #default 0 1"
Array = "r1nb2bn1r/1rnbqkbnr/pppppppppp/10/10/10/10/PPPPPPPPPP/1RNBQKBNR/R1NB2BN1R"
DeduplicateMoves = false
StaticExchangeEvaluation = true

Declared in Generic Chess:

StalemateResult = Draw
PromotionRule = Standard
PromotionTypes = "QRBN"
BareKing = false
EnPassant = true
PromotingType = Pawn
CastlingType = King

Declared in Generic x10:

PawnMultipleMove = Fast Pawn

Declared in Generic 10x10:

Castling = Colossus

Rules

MoveCompletionDefaultRule
BasicPromotionRule
EnPassantRule
CheckmateRule
Move50Rule
FlexibleCastlingRule
RepetitionDrawRule

Evaluations

PawnStructureEvaluation
DevelopmentEvaluation
LowMaterialEvaluation
ColorbindingEvaluation
RookTypeEvaluation
OutpostEvaluation

 
 

COPYRIGHT (C) 2021 BY GREG STRONG