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Rules of Omega Chess
Omega Chess is a chess variant played on a 10x10 board with four extra corner squares for Wizards. It includes standard chess pieces plus two new pieces: the Champion and the Wizard.
- Board Setup: The main board is 10x10, with wizard squares in the corners (a0, j0, a11, j11 in extended notation). White's pieces start on rows 9-10, Black on 1-2.
- Standard Pieces: Move as in classical chess (Pawn, Rook, Knight, Bishop, Queen, King).
- Pawn Movement: Pawns can move 1, 2, or 3 squares forward on their first move. En passant is possible after double or triple steps.
- Promotion: Pawns promote to Queen upon reaching the opponent's pawn starting row.
- Champion: Leaps two squares in any direction (orthogonal or diagonal) or moves one square orthogonally. It can jump over pieces.
- Wizard: Moves one square diagonally or leaps (3,1) or (1,3) like a limited camel. It can jump over pieces.
- Castling: King moves two squares towards the Champion (not Rook). The Champion jumps to the square next to the King. Conditions similar to chess.
- Winning: Checkmate or stalemate as in chess.
Technical Features of the AI
The AI uses a minimax algorithm with alpha-beta pruning for decision-making.
- Difficulty Levels: Easy (depth 1), Medium (depth 2), Hard (depth 3).
- Evaluation: Based on piece values (Pawn:100, Knight:320, Bishop:330, Wizard:350, Champion:450, Rook:500, Queen:900, King:20000) plus a center control bonus.
- Move Generation: Generates all legal moves, filters out those leading to check.
- Performance: Simple recursive search; may be slow on hard difficulty due to branching factor.