private boolean isPromotionMove(Square startSquare, Square endSquare) {
boolean isPromotionMove = false;
Piece piece = board.pieceOn(startSquare);
if (piece != null
&& PieceType.PAWN.equals(piece.pieceType())
&& endSquare.inLastRowForColor(piece.color())) {
isPromotionMove = true;
}
return isPromotionMove;
}
private void removeCapturedPiece(Move move) {
Piece capturedPiece = null;
if (MoveType.CAPTURE.equals(move.moveType())) {
capturedPiece = ((CaptureMove) move).opposingPiece();
} else if (MoveType.EN_PASSANT.equals(move.moveType())) {
capturedPiece = ((EnPassantMove) move).opposingPiece();
} else if (MoveType.PROMOTION.equals(move.moveType())) {
capturedPiece = ((PromotionMove) move).opposingPiece();
}
if (capturedPiece != null) {
capturedPieces.get(capturedPiece.color()).remove(capturedPiece);
}
}