private static List <Search.Position> EvaluateMovesQ(Board examineBoard)
{
List <Search.Position> positionList = new List <Search.Position>();
for (byte index = 0; (int)index < 64; ++index)
{
Piece piece1 = examineBoard.Squares[(int)index].Piece;
if (piece1 != null && piece1.PieceColor == examineBoard.WhoseMove)
{
foreach (byte validMove in piece1.ValidMoves)
{
if (examineBoard.Squares[(int)validMove].Piece != null)
{
Search.Position position = new Search.Position();
position.SrcPosition = index;
position.DstPosition = validMove;
if ((int)position.SrcPosition == (int)Search.KillerMove[2, 0].SrcPosition && (int)position.DstPosition == (int)Search.KillerMove[2, 0].DstPosition)
{
position.Score += 5000;
positionList.Add(position);
}
else
{
Piece piece2 = examineBoard.Squares[(int)position.DstPosition].Piece;
position.Score += (int)piece2.PieceValue;
if ((int)piece1.PieceValue < (int)piece2.PieceValue)
{
position.Score += (int)piece2.PieceValue - (int)piece1.PieceValue;
}
position.Score += (int)piece1.PieceActionValue;
positionList.Add(position);
}
}
}
}
}
return(positionList);
}
private static List <Search.Position> EvaluateMoves(Board examineBoard, byte depth)
{
List <Search.Position> positionList = new List <Search.Position>();
for (byte index = 0; (int)index < 64; ++index)
{
Piece piece1 = examineBoard.Squares[(int)index].Piece;
if (piece1 != null && piece1.PieceColor == examineBoard.WhoseMove)
{
foreach (byte validMove in piece1.ValidMoves)
{
Search.Position position = new Search.Position();
position.SrcPosition = index;
position.DstPosition = validMove;
if ((int)position.SrcPosition == (int)Search.KillerMove[0, (int)depth].SrcPosition && (int)position.DstPosition == (int)Search.KillerMove[0, (int)depth].DstPosition)
{
position.Score += 5000;
positionList.Add(position);
}
else if ((int)position.SrcPosition == (int)Search.KillerMove[1, (int)depth].SrcPosition && (int)position.DstPosition == (int)Search.KillerMove[1, (int)depth].DstPosition)
{
position.Score += 5000;
positionList.Add(position);
}
else
{
Piece piece2 = examineBoard.Squares[(int)position.DstPosition].Piece;
if (piece2 != null)
{
position.Score += (int)piece2.PieceValue;
if ((int)piece1.PieceValue < (int)piece2.PieceValue)
{
position.Score += (int)piece2.PieceValue - (int)piece1.PieceValue;
}
}
if (!piece1.Moved)
{
position.Score += 10;
}
position.Score += (int)piece1.PieceActionValue;
if (!examineBoard.WhiteCastled && examineBoard.WhoseMove == ChessPieceColor.White)
{
if (piece1.PieceType == ChessPieceType.King)
{
if ((int)position.DstPosition != 62 && (int)position.DstPosition != 58)
{
position.Score -= 40;
}
else
{
position.Score += 40;
}
}
if (piece1.PieceType == ChessPieceType.Rook)
{
position.Score -= 40;
}
}
if (!examineBoard.BlackCastled && examineBoard.WhoseMove == ChessPieceColor.Black)
{
if (piece1.PieceType == ChessPieceType.King)
{
if ((int)position.DstPosition != 6 && (int)position.DstPosition != 2)
{
position.Score -= 40;
}
else
{
position.Score += 40;
}
}
if (piece1.PieceType == ChessPieceType.Rook)
{
position.Score -= 40;
}
}
positionList.Add(position);
}
}
}
}
return(positionList);
}
private static int Sort(Search.Position s2, Search.Position s1)
{
return(s1.Score.CompareTo(s2.Score));
}