public static void Main() { var cb = ChessBoardInstances.Get(0); ChessBoardUtil.SetFen("1r1q1rk1/2p1npb1/b3p1p1/p5N1/1ppPB2R/P1N1P1P1/1P2QPP1/2K4R w - - 0 20 ", cb); EvalUtil.CalculateScore(cb, ThreadData.GetInstance(0)); }
public static async Task Main() { // read all fens, including score var fens = Tuner.LoadFens("d:\\backup\\chess\\epds\\quiet-labeled.epd", true, false); Console.WriteLine("Fens found : " + fens.Count); // init workers ChessBoardInstances.Init(NumberOfThreads); ThreadData.InitInstances(NumberOfThreads); for (var i = 0; i < NumberOfThreads; i++) { Workers[i] = new ErrorCalculator(ChessBoardInstances.Get(i), ThreadData.GetInstance(i)); } // add fens to workers var workerIndex = 0; foreach (var(key, value) in fens) { Workers[workerIndex].AddFenWithScore(key, value); workerIndex = workerIndex == NumberOfThreads - 1 ? 0 : workerIndex + 1; } // get tuned values var tuningObjects = Tuner.GetTuningObjects(); // tune await Eval(tuningObjects); Console.WriteLine("Done"); }
public static void Main() { var cb = ChessBoardInstances.Get(0); MainEngine.MaxDepth = MaxPly; UciOut.NoOutput = true; EngineConstants.Power2TtEntries = 2; TtUtil.Init(false); long totalNodesSearched = 0; var epdStrings = BestMoveTest.GetEpdStrings("Resources/WAC-201.epd"); for (var index = 0; index < NumberOfPositions; index++) { Console.WriteLine(index); var epdString = epdStrings[index + 20]; Statistics.Reset(); var epd = new Epd(epdString); ChessBoardUtil.SetFen(epd.GetFen(), cb); SearchUtil.Start(cb); totalNodesSearched += ChessBoardUtil.CalculateTotalMoveCount(); } Console.WriteLine("Total " + totalNodesSearched); Console.WriteLine("Average " + totalNodesSearched / NumberOfPositions); }
public static void Start(ChessBoard cb) { NegamaxUtil.IsRunning = true; cb.MoveCount = 0; if (UciOptions.ThreadCount == 1) { new SearchThread(0).Call(); } else { var tasks = new List <Task>(); for (var i = 0; i < UciOptions.ThreadCount; i++) { if (i > 0) { ChessBoardUtil.Copy(cb, ChessBoardInstances.Get(i)); } var i1 = i; var t = new Task(() => new SearchThread(i1).Call()); tasks.Add(t); } try { tasks.ForEach(task => task.Start()); Task.WaitAll(tasks.ToArray()); } catch (Exception e) { Console.WriteLine(e); } } }
public static void Main() { var fens = Tuner.LoadFens("d:\\backup\\chess\\epds\\quiet-labeled.epd", true, false); Console.WriteLine(fens.Count + " fens found"); var cb = ChessBoardInstances.Get(0); var threadData = ThreadData.GetInstance(0); foreach (var(key, value) in fens) { ChessBoardUtil.SetFen(key, cb); var error = Math.Pow(value - ErrorCalculator.CalculateSigmoid(EvalUtil.CalculateScore(cb, threadData)), 2); for (var i = 0; i < LargestError.Length; i++) { if (!(error > LargestError[i])) { continue; } LargestError[i] = error; LargestErrorFen[i] = key; break; } } for (var i = 0; i < LargestError.Length; i++) { Console.WriteLine($"{LargestErrorFen[i],60} -> {LargestError[i]}"); } }
public void Run() { var threadData = ThreadData.GetInstance(_threadNumber); var cb = ChessBoardInstances.Get(_threadNumber); ChessBoardUtil.SetFen(ChessConstants.FenStart, cb); Perft(cb, threadData, Depth); }
public static void Main() { Thread.CurrentThread.Name = "Chess22kDotNet-main"; _cb = ChessBoardInstances.Get(0); _threadData = ThreadData.GetInstance(0); Start(); }
public static void Main() { var cb = ChessBoardInstances.Get(0); ChessBoardUtil.SetFen(FenStandardMiddlegame, cb); TimeUtil.SetSimpleTimeWindow(5000); TtUtil.Init(false); SearchUtil.Start(cb); Statistics.Print(); }
public static void Main() { var cb = ChessBoardInstances.Get(0); // read all fens, including score var fens = Tuner.LoadFens("d:\\backup\\chess\\epds\\violent.epd", false, true); Console.WriteLine("Fens found : " + fens.Count); // NegamaxUtil.isRunning = true; EngineConstants.Power2TtEntries = 1; TtUtil.Init(false); double totalPositions = 0; double sameScore = 0; long totalError = 0; var watch = new Stopwatch(); watch.Start(); foreach (var entry in fens) { ChessBoardUtil.SetFen(entry.Key, cb); if (cb.CheckingPieces == 0) { continue; } totalPositions++; var searchScore = NegamaxUtil.CalculateBestMove(cb, ThreadData, 0, 1, Util.ShortMin, Util.ShortMax, 0); TtUtil.ClearValues(); var qScore = QuiescenceUtil.CalculateBestMove(cb, ThreadData, Util.ShortMin, Util.ShortMax); if (searchScore == qScore) { sameScore++; } else { var error = searchScore - qScore; // if (error > 500) { // System.out.println(searchScore + " " + qScore); // QuiescenceUtil.calculateBestMove(cb, threadData, Util.SHORT_MIN, Util.SHORT_MAX); // } totalError += error; } } var averageError = (int)(totalError / (totalPositions - sameScore)); Console.WriteLine($"{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 void Run() { Console.WriteLine("Start " + _name); var cb = ChessBoardInstances.Get(_threadNumber); var threadData = ThreadData.GetInstance(_threadNumber); foreach (var position in _positions) { ChessBoardUtil.SetFen(position.Fen, cb); Assert.IsTrue(position.MoveCount == perft(cb, threadData, position.Depth)); } Console.WriteLine("Done " + _name); }
private static void DoTest(IReadOnlyCollection <string> epdStrings) { var correctCounter = 0; foreach (var epdString in epdStrings) { var epd = new Epd(epdString); var cb = ChessBoardInstances.Get(0); ChessBoardUtil.SetFen(epd.GetFen(), cb); TimeUtil.Reset(); TimeUtil.SetSimpleTimeWindow(5000); SearchUtil.Start(cb); var bestMove = new MoveWrapper(ThreadData.GetBestMove()); if (epd.IsBestMove) { if (epd.MoveEquals(bestMove)) { Console.WriteLine(epd.GetId() + " BM OK"); correctCounter++; _positionTestOk++; } else { Console.WriteLine(epd.GetId() + " BM NOK " + bestMove + " - " + epd); _positionTestNok++; } } else { if (epd.MoveEquals(bestMove)) { Console.WriteLine(epd.GetId() + " AM NOK " + epd); _positionTestNok++; } else { Console.WriteLine(epd.GetId() + " AM OK"); correctCounter++; _positionTestOk++; } } } Console.WriteLine(correctCounter + "/" + epdStrings.Count); }
public static void Main() { var fens = Tuner.LoadFens("d:\\backup\\chess\\epds\\quiet-labeled.epd", true, false); Console.WriteLine(fens.Count + " fens found"); var cb = ChessBoardInstances.Get(0); foreach (var entry in fens) { ChessBoardUtil.SetFen(entry.Key, cb); PieceCounts[BitOperations.PopCount((ulong)cb.AllPieces)]++; } for (var i = 0; i < 33; i++) { Console.WriteLine(i + " " + PieceCounts[i]); } }
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); }
private static void SetOption(string optionName, string optionValue) { // setoption name Hash value 128 if (optionName.ToLower().Equals("hash")) { var value = int.Parse(optionValue); TtUtil.SetSizeMb(value); } else if (optionName.ToLower().Equals("threads")) { UciOptions.SetThreadCount(int.Parse(optionValue)); _cb = ChessBoardInstances.Get(0); _threadData = ThreadData.GetInstance(0); } else if (optionName.ToLower().Equals("ponder")) { UciOptions.SetPonder(bool.Parse(optionValue)); } else { Console.WriteLine("Unknown option: " + optionName); } }
public static void Main() { var fens = Tuner.LoadFens("d:\\backup\\chess\\epds\\quiet-labeled.epd", true, false); Console.WriteLine(fens.Count + " fens found"); var kpk = new ErrorCount("KPK "); var kbnk = new ErrorCount("KBNK"); var kbpk = new ErrorCount("KBPK"); var krkp = new ErrorCount("KRKP"); var kqkp = new ErrorCount("KQKP"); var krkb = new ErrorCount("KRKB"); var krkn = new ErrorCount("KRKN"); var kbpkp = new ErrorCount("KBPKP"); var krbkb = new ErrorCount("KRBKB"); var krbkr = new ErrorCount("KRBKR"); var cb = ChessBoardInstances.Get(0); var threadData = ThreadData.GetInstance(0); foreach (var(key, value) in fens) { ChessBoardUtil.SetFen(key, cb); var error = Math.Pow( value - ErrorCalculator.CalculateSigmoid(ChessConstants.ColorFactor[cb.ColorToMove] * EvalUtil.CalculateScore(cb, threadData)), 2); if (MaterialUtil.IsKbnk(cb.MaterialKey)) { kbnk.AddError(error); } else if (MaterialUtil.IsKqkp(cb.MaterialKey)) { kqkp.AddError(error); } else if (MaterialUtil.IsKrkp(cb.MaterialKey)) { krkp.AddError(error); } else if (MaterialUtil.IsKrkb(cb.MaterialKey)) { krkb.AddError(error); } else if (MaterialUtil.IsKrkn(cb.MaterialKey)) { krkn.AddError(error); } else if (MaterialUtil.IsKpk(cb.MaterialKey)) { krkn.AddError(error); } else if (MaterialUtil.IsKbpk(cb.MaterialKey)) { kbpk.AddError(error); } else if (MaterialUtil.IsKbpkp(cb.MaterialKey)) { kbpkp.AddError(error); } else if (MaterialUtil.IsKrbkb(cb.MaterialKey)) { krbkb.AddError(error); } else if (MaterialUtil.IsKrbkr(cb.MaterialKey)) { krbkr.AddError(error); } } kpk.Print(); kbnk.Print(); krkp.Print(); kqkp.Print(); krkb.Print(); krkn.Print(); krbkb.Print(); krbkr.Print(); kbpk.Print(); kbpkp.Print(); }