public static int Evaluate(BoardState board, int color, int openingPhase, int endingPhase, ref ulong fieldsAttackedByColor)
{
var mobility = KnightOperator.GetMobility(board, color, ref fieldsAttackedByColor) +
BishopOperator.GetMobility(board, color, ref fieldsAttackedByColor) +
RookOperator.GetMobility(board, color, ref fieldsAttackedByColor) +
QueenOperator.GetMobility(board, color, ref fieldsAttackedByColor);
var mobilityOpeningScore = mobility * EvaluationConstants.Mobility;
return(TaperedEvaluation.AdjustToPhase(mobilityOpeningScore, 0, openingPhase, endingPhase));
}
public static int Evaluate(BoardState board, int color, int openingPhase, int endingPhase, ref ulong fieldsAttackedByColor)
{
var(knightCenter, knightOutside) = KnightOperator.GetMobility(board, color, ref fieldsAttackedByColor);
var(bishopCenter, bishopOutside) = BishopOperator.GetMobility(board, color, ref fieldsAttackedByColor);
var(rookCenter, rookOutside) = RookOperator.GetMobility(board, color, ref fieldsAttackedByColor);
var(queenCenter, queenOutside) = QueenOperator.GetMobility(board, color, ref fieldsAttackedByColor);
var centerMobility = knightCenter + bishopCenter + rookCenter + queenCenter;
var centerMobilityScore = centerMobility * EvaluationConstants.CenterMobilityModifier;
var outsideMobility = knightOutside + bishopOutside + rookOutside + queenOutside;
var outsideMobilityScore = outsideMobility * EvaluationConstants.OutsideMobilityModifier;
var openingScore = centerMobilityScore + outsideMobilityScore;
return(TaperedEvaluation.AdjustToPhase(openingScore, 0, openingPhase, endingPhase));
}