Caïssa Britannia
Invented by: Fergus Duniho, 2003
A variant with a British theme, a royal Queen that cannot slide through check, and Lions, Unicorns, and Dragons (heraldic animals for England, Scotland, and Wales)
Game hierarchy
• Game
• Generic Chess
• Generic x10
• Generic 10x10
• Caïssa Britannia
Board
FEN: drubqkburd/1l6l1/pppppppppp/10/10/10/10/PPPPPPPPPP/1L6L1/DRUBQKBURD w - - 0 1
Piece Types
| Internal Name | Name | Notation | Added By | Notes |
| King | King | K | Generic Chess | |
| Pawn | Pawn | P | Generic Chess | en passant; can promote; pawn structure evaluation |
| Queen | Queen | Q | Caïssa Britannia | royal |
| Rook | Rook | R | Caïssa Britannia | open file bonus |
| Cannon* | Lion | L | Caïssa Britannia | |
| Knight | Knight | N | Caïssa Britannia | outpost bonus |
| Dragon Horse | Bishop | B | Caïssa Britannia | |
| Unicorn | Unicorn | U | Caïssa Britannia | |
| Dragon | D | Caïssa Britannia | |
* indicates the internal type has been modified
Game Variables
Name = "Caïssa Britannia"
Invented = "2003"
InventedBy = "Fergus Duniho"
NumberOfSquareColors = 3
FENFormat = "{array} {current player} {castling} {en-passant} {half-move clock} {turn number}"
FENStart = "#{Array} w #default #default 0 1"
Array = "drubqkburd/1l6l1/pppppppppp/10/10/10/10/PPPPPPPPPP/1L6L1/DRUBQKBURD"
DeduplicateMoves = false
StaticExchangeEvaluation = false
Declared in Generic Chess:
StalemateResult = Draw
PromotionRule = Custom
PromotionTypes = ""
BareKing = false
EnPassant = true
PromotingType = null
CastlingType = King
Declared in Generic x10:
PawnMultipleMove = Grand
Declared in Generic 10x10:
Castling = None
Rules
MoveCompletionDefaultRule
EnPassantRule
CheckmateRule
Move50Rule
ComplexPromotionRule
RepetitionDrawRule
Evaluations
PawnStructureEvaluation
DevelopmentEvaluation
LowMaterialEvaluation
RookTypeEvaluation
OutpostEvaluation
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