public static int Evaluate(BoardState board, bool enableCache, EvaluationStatistics statistics)
{
var openingPhase = board.GetPhaseRatio();
var endingPhase = BoardConstants.PhaseResolution - openingPhase;
var result = MaterialEvaluator.Evaluate(board);
result += enableCache ?
PawnStructureEvaluator.Evaluate(board, statistics, openingPhase, endingPhase) :
PawnStructureEvaluator.EvaluateWithoutCache(board, statistics, openingPhase, endingPhase);
result += PositionEvaluator.Evaluate(board, openingPhase, endingPhase);
if (endingPhase != BoardConstants.PhaseResolution)
{
var fieldsAttackedByWhite = 0ul;
var fieldsAttackedByBlack = 0ul;
result += MobilityEvaluator.Evaluate(board, openingPhase, endingPhase, ref fieldsAttackedByWhite, ref fieldsAttackedByBlack);
result += KingSafetyEvaluator.Evaluate(board, openingPhase, endingPhase, fieldsAttackedByWhite, fieldsAttackedByBlack);
result += RookEvaluator.Evaluate(board, openingPhase, endingPhase);
result += BishopEvaluator.Evaluate(board, openingPhase, endingPhase);
}
return(board.ColorToMove == Color.White ? result : -result);
}
public static int FastEvaluate(BoardState board, EvaluationStatistics statistics)
{
var openingPhase = board.GetPhaseRatio();
var endingPhase = BoardConstants.PhaseResolution - openingPhase;
var result = MaterialEvaluator.Evaluate(board);
result += PawnStructureEvaluator.Evaluate(board, statistics, openingPhase, endingPhase);
result += PositionEvaluator.Evaluate(board, openingPhase, endingPhase);
return(board.ColorToMove == Color.White ? result : -result);
}
public static int Evaluate(BoardState board, EvaluationStatistics statistics)
{
var openingPhase = board.GetPhaseRatio();
var endingPhase = BoardConstants.PhaseResolution - openingPhase;
var result = MaterialEvaluator.Evaluate(board);
result += PositionEvaluator.Evaluate(board, openingPhase, endingPhase);
result += PawnStructureEvaluator.Evaluate(board, statistics, openingPhase, endingPhase);
if (endingPhase != BoardConstants.PhaseResolution)
{
var fieldsAttackedByWhite = 0ul;
var fieldsAttackedByBlack = 0ul;
result += MobilityEvaluator.Evaluate(board, openingPhase, endingPhase, ref fieldsAttackedByWhite, ref fieldsAttackedByBlack);
result += KingSafetyEvaluator.Evaluate(board, openingPhase, endingPhase, fieldsAttackedByWhite, fieldsAttackedByBlack);
result += CastlingEvaluator.Evaluate(board, openingPhase, endingPhase);
result += FianchettoEvaluator.Evaluate(board, openingPhase, endingPhase);
result += PiecesEvaluator.Evaluate(board, openingPhase, endingPhase);
}
return(board.ColorToMove == Color.White ? result : -result);
}
