public void OpeningD5_4865609()
{
int nodes = _perft.GoPerft(_openingPosition, 5);
if (nodes != 4865609)
{
throw new Exception($"Result {nodes} needs to match method name {nameof(OpeningD5_4865609)}");
}
}
private static void PerformanceTesting(string fen, int perftDepth, TimeSpan timespan)
{
var position = BoardParsing.PositionFromFen(fen);
Debugging.Dump(position);
var moveGen = new MoveGenerator();
var perft = new Perft(moveGen);
Stopwatch overallStopwatch = new Stopwatch();
overallStopwatch.Start();
while (true)
{
int perftNum = perftDepth;
Console.Write($"Perft {perftNum}: ");
Stopwatch sw = new Stopwatch();
sw.Start();
int perftResults = perft.GoPerft(position, perftNum);
sw.Stop();
double knps = ((double)perftResults) / sw.ElapsedMilliseconds; // it just works out
Console.WriteLine($"{perftResults} ({knps:F2} knps)");
if (overallStopwatch.Elapsed > timespan)
{
break;
}
}
//perft.GoPerft(position, perftDepth);
}
private static void IncrementalPerft(string fen, int maxDepth)
{
var position = BoardParsing.PositionFromFen(fen);
Debugging.Dump(position);
var moveGen = new MoveGenerator();
var perft = new Perft(moveGen);
for (int i = 1; i <= maxDepth; i++)
{
Console.Write($"Perft {i}: ");
Stopwatch sw = new Stopwatch();
sw.Start();
int perftResults = perft.GoPerft(position, i);
sw.Stop();
double knps = ((double)perftResults) / sw.ElapsedMilliseconds; // it just works out
Console.WriteLine($"{perftResults} ({knps:F2} knps)");
}
}
private static void GoDivide(MoveGenerator moveGenerator, Perft perft, Position position, int depth)
{
if (depth <= 0)
{
Console.WriteLine($"##### No moves generated at depth {depth}");
return;
}
var total = 0;
List <Move> moves = new List <Move>();
moveGenerator.Generate(moves, position);
var movesDict = new SortedDictionary <string, Move>();
foreach (var move in moves)
{
movesDict.Add(BoardParsing.CoordinateStringFromMove(move), move);
}
foreach (var(moveStr, move) in movesDict)
{
var nextBoard = Position.MakeMove(new Position(), move, position);
// check move legality if using a pseudolegal move generator
if (!moveGenerator.OnlyLegalMoves && nextBoard.MovedIntoCheck())
{
continue;
}
Console.Write($"{moveStr}: ");
int count = perft.GoPerft(nextBoard, depth - 1);
Console.WriteLine(count);
total += count;
}
Console.WriteLine($"##### Total moves: {total}");
}
public int PerftWithHashingTest(string fen, int depth)
{
var position = BoardParsing.PositionFromFen(fen);
return(_perftWithHashing.GoPerft(position, depth));
}