public MoveIterator(Board board, SortInfo sortInfo, int depth)
{
this.sortInfo = sortInfo;
this.board = board;
this.depth = depth;
bbAttacks = BitboardAttacks.GetInstance();
}
public SearchEngine(Config config)
{
// time to think to
// For testing suites
// Inital Ply of search
// For performance Benching
// aspiration window
// Futility pruning
// Aggresive Futility pruning
// Razoring
// Singular Extension
// Null Move
// Transposition Table
this.config = config;
random = new Random();
board = new Board();
sortInfo = new SortInfo();
moveIterators = new MoveIterator[MAX_DEPTH];
for (int i = 0; i < MAX_DEPTH; i++)
{
moveIterators[i] = new MoveIterator(board, sortInfo, i);
}
pvReductionMatrix = new int[][] { new int[64], new int[64], new int[64], new int[
64], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64
], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64],
new int[64], new int[64], new int[64], new int[64], new int[64], new int[64], new
int[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int
[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64
], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64],
new int[64], new int[64], new int[64], new int[64], new int[64], new int[64], new
int[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int
[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64
], new int[64], new int[64], new int[64], new int[64] };
nonPvReductionMatrix = new int[][] { new int[64], new int[64], new int[64], new int
[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64
], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64],
new int[64], new int[64], new int[64], new int[64], new int[64], new int[64], new
int[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int
[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64
], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64],
new int[64], new int[64], new int[64], new int[64], new int[64], new int[64], new
int[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int
[64], new int[64], new int[64], new int[64], new int[64], new int[64], new int[64
], new int[64], new int[64], new int[64], new int[64] };
// Init our reduction lookup tables
for (int depth = 1; depth < MAX_DEPTH; depth++)
{
// OnePly = 1
for (int moveNumber = 1; moveNumber < 64; moveNumber++)
{
double pvRed = 0.5 + Math.Log(depth) * Math.Log(moveNumber) / 6.0;
double nonPVRed = 0.5 + Math.Log(depth) * Math.Log(moveNumber) / 3.0;
pvReductionMatrix[depth][moveNumber] = (int)(pvRed >= 1.0 ? Math.Floor(pvRed * PLY
) : 0);
nonPvReductionMatrix[depth][moveNumber] = (int)(nonPVRed >= 1.0 ? Math.Floor(nonPVRed
* PLY) : 0);
}
}
// System.out.println(i + " " + j + " " +
// pvReductionMatrix[i][j] + " " + nonPvReductionMatrix[i][j]);
Init();
}
public virtual void Destroy()
{
config = null;
observer = null;
tt = null;
evaluator = null;
sortInfo = null;
if (moveIterators != null)
{
for (int i = 0; i < MAX_DEPTH; i++)
{
moveIterators[i] = null;
}
}
System.GC.Collect();
}