public static void Main()
{
var cb = ChessBoardInstances.Get(0);
// read all fens, including score
var fens = Tuner.LoadFens("d:\\backup\\chess\\epds\\violent.epd", false, true);
Console.WriteLine("Fens found : " + fens.Count);
// NegamaxUtil.isRunning = true;
EngineConstants.Power2TtEntries = 1;
TtUtil.Init(false);
double totalPositions = 0;
double sameScore = 0;
long totalError = 0;
var watch = new Stopwatch();
watch.Start();
foreach (var entry in fens)
{
ChessBoardUtil.SetFen(entry.Key, cb);
if (cb.CheckingPieces == 0)
{
continue;
}
totalPositions++;
var searchScore = NegamaxUtil.CalculateBestMove(cb, ThreadData, 0, 1, Util.ShortMin, Util.ShortMax, 0);
TtUtil.ClearValues();
var qScore = QuiescenceUtil.CalculateBestMove(cb, ThreadData, Util.ShortMin, Util.ShortMax);
if (searchScore == qScore)
{
sameScore++;
}
else
{
var error = searchScore - qScore;
// if (error > 500) {
// System.out.println(searchScore + " " + qScore);
// QuiescenceUtil.calculateBestMove(cb, threadData, Util.SHORT_MIN, Util.SHORT_MAX);
// }
totalError += error;
}
}
var averageError = (int)(totalError / (totalPositions - sameScore));
Console.WriteLine($"{sameScore / totalPositions:f4} {averageError}");
Console.WriteLine("msec: " + watch.ElapsedMilliseconds);
}
public static void Main()
{
var cb = ChessBoardInstances.Get(0);
// read all fens, including score
var fens = Tuner.LoadFens("d:\\backup\\chess\\epds\\violent.epd", false, true);
Console.WriteLine("Fens found : " + fens.Count);
double sameScore = 0;
double totalAttacks = 0;
var start = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
foreach (var entry in fens)
{
ChessBoardUtil.SetFen(entry.Key, cb);
_threadData.StartPly();
MoveGenerator.GenerateAttacks(_threadData, cb);
while (_threadData.HasNext())
{
var move = _threadData.Next();
if (!cb.IsLegal(move))
{
continue;
}
totalAttacks++;
var seeScore = SeeUtil.GetSeeCaptureScore(cb, move);
var materialScore = EvalUtil.CalculateMaterialScore(cb);
var qScore = ChessConstants.ColorFactor[cb.ColorToMoveInverse] * materialScore -
CalculateQScore(cb, move, true);
if (seeScore == qScore)
{
sameScore++;
}
// else {
// seeScore = SEEUtil.getSeeCaptureScore(cb, move);
// qScore = ChessConstants.COLOR_FACTOR[cb.colorToMoveInverse] * materialScore - calculateQScore(cb,
// move, true);
// }
}
_threadData.EndPly();
}
Console.WriteLine($"{sameScore:f0} {totalAttacks:f0} = {sameScore / totalAttacks:f4}");
Console.WriteLine("msec: " + (DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() - start));
}
public static void Main()
{
// read all fens, including score
var fens = Tuner.LoadFens("d:\\backup\\chess\\epds\\quiet-labeled.epd", true, true);
Console.WriteLine("Fens found : " + fens.Count);
var tested = 0;
var ok = 0;
var nok = 0;
foreach (var(fen, score) in fens)
{
var cb = ChessBoardInstances.Get(0);
ChessBoardUtil.SetFen(fen, cb);
if (BitOperations.PopCount((ulong)cb.AllPieces) > 3)
{
continue;
}
if (cb.Pieces[ChessConstants.White][ChessConstants.Pawn] == 0 &&
cb.Pieces[ChessConstants.Black][ChessConstants.Pawn] == 0)
{
continue;
}
tested++;
if (KpkBitbase.IsDraw(cb) == (score == 0.5))
{
ok++;
}
else
{
nok++;
}
}
Console.WriteLine();
Console.WriteLine("Tested " + tested);
Console.WriteLine("OK " + ok);
Console.WriteLine("NOK " + nok);
}