public int GetValue(int depth, ulong move)
{
var killerMove = KillerMove.Parse(move);
if (killerMove == _killerMoves[depth][0])
{
return(2);
}
return(killerMove == _killerMoves[depth][1] ? 1 : 0);
}
public void Update(int depth, ulong move)
{
var killerMove = KillerMove.Parse(move);
if (killerMove == _killerMoves[depth][0])
{
return; // Move already is the best killer move.
}
// Shift and update killer move.
_killerMoves[depth][1] = _killerMoves[depth][0];
_killerMoves[depth][0] = killerMove;
}