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Trained new network, updated Zobrist hashing to use standard random n…
…umbers, released v1.1.1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,223 @@ | ||
| using System.Buffers.Binary; | ||
| using System.Text; | ||
| using Sapling.Engine; | ||
| using Sapling.Engine.MoveGen; | ||
|
|
||
| namespace Sapling.Utils | ||
| { | ||
| internal class Program | ||
| { | ||
| public static string PolyGlotToUciMove(ushort move) | ||
| { | ||
| // Extract components using bit-shifting and masking | ||
|
|
||
| // To file (0-2 bits) | ||
| int toFile = (move & 0b0000000000000111); | ||
|
|
||
| // To rank (3-5 bits) | ||
| int toRank = (move >> 3) & 0b0000000000000111; | ||
|
|
||
| // From file (6-8 bits) | ||
| int fromFile = (move >> 6) & 0b0000000000000111; | ||
|
|
||
| // From rank (9-11 bits) | ||
| int fromRank = (move >> 9) & 0b0000000000000111; | ||
|
|
||
| // Promotion piece (12-14 bits) | ||
| int promotionPiece = (move >> 12) & 0b0000000000000111; | ||
|
|
||
| // Convert the file (0-7) to a letter ('a' = 0, 'b' = 1, ..., 'h' = 7) | ||
| char fromFileChar = (char)('a' + fromFile); | ||
| char toFileChar = (char)('a' + toFile); | ||
|
|
||
| // Convert the rank (0-7) to a number ('1' = 0, '2' = 1, ..., '8' = 7) | ||
| char fromRankChar = (char)('1' + fromRank); | ||
| char toRankChar = (char)('1' + toRank); | ||
|
|
||
| // Create the basic move string (like "e2e4") | ||
| string moveStr = $"{fromFileChar}{fromRankChar}{toFileChar}{toRankChar}"; | ||
|
|
||
| // Handle promotion if present (promotionPiece > 0 means promotion) | ||
| if (promotionPiece > 0) | ||
| { | ||
| // Convert promotion piece (1=q, 2=r, 3=b, 4=n) | ||
| char promotionChar = promotionPiece switch | ||
| { | ||
| 1 => 'q', // Queen | ||
| 2 => 'r', // Rook | ||
| 3 => 'b', // Bishop | ||
| 4 => 'n', // Knight | ||
| _ => throw new InvalidOperationException("Invalid promotion piece") | ||
| }; | ||
|
|
||
| // Append the promotion character to the move string | ||
| moveStr += promotionChar; | ||
| } | ||
|
|
||
| return moveStr; | ||
| } | ||
|
|
||
| public static ushort ToOpeningMove(uint move) | ||
| { | ||
| var moveType = move.GetMoveType(); | ||
|
|
||
| var promotion = 0; | ||
| if (moveType >= Constants.PawnKnightPromotion) | ||
| { | ||
| promotion = moveType - 3; | ||
| } | ||
|
|
||
| var from = move.GetFromSquare(); | ||
| var to = move.GetToSquare(); | ||
|
|
||
| return (ushort)(to.GetFileIndex() | | ||
| to.GetRankIndex() << 3 | | ||
| from.GetFileIndex() << 6 | | ||
| from.GetRankIndex() << 9 | | ||
| promotion << 12 | ||
| ); | ||
| } | ||
|
|
||
| static void Main(string[] args) | ||
| { | ||
| var fileName = "./Human.bin"; | ||
| var entrySize = sizeof(ulong) + sizeof(ushort) + sizeof(ushort) + sizeof(uint); | ||
| var entryCount = (int)new FileInfo(fileName).Length / entrySize; | ||
|
|
||
| var openingMoves = new Dictionary<ulong, List<ushort>>(); | ||
| using (var fs = new FileStream(fileName, FileMode.Open, FileAccess.Read)) | ||
| { | ||
| using var reader = new BinaryReader(fs, Encoding.UTF8, false); | ||
| for (var i = 0; i < entryCount; i++) | ||
| { | ||
| ulong hash; | ||
| ushort move; | ||
|
|
||
| if (BitConverter.IsLittleEndian) | ||
| { | ||
| hash = BinaryPrimitives.ReverseEndianness(reader.ReadUInt64()); | ||
| move = BinaryPrimitives.ReverseEndianness(reader.ReadUInt16()); | ||
| } | ||
| else | ||
| { | ||
| hash = reader.ReadUInt64(); | ||
| move = reader.ReadUInt16(); | ||
| } | ||
|
|
||
| // Skip weight & learn | ||
| reader.ReadUInt16(); | ||
| reader.ReadUInt32(); | ||
|
|
||
| if (!openingMoves.TryGetValue(hash, out var moveList)) | ||
| { | ||
| openingMoves[hash] = moveList = new List<ushort>(); | ||
| } | ||
|
|
||
| moveList.Add(move); | ||
| } | ||
| } | ||
|
|
||
| Console.WriteLine("Size: " + entryCount); | ||
|
|
||
| var gameHashes = new HashSet<ulong>(); | ||
| var openingBookBulder = new StringBuilder(); | ||
|
|
||
| var validFirstMoves = new Dictionary<string, int> | ||
| { | ||
| // Pawn moves | ||
| {"a2a3", 0}, {"a2a4", 0}, | ||
| {"b2b3", 0}, {"b2b4", 0}, | ||
| {"c2c3", 0}, {"c2c4", 0}, | ||
| {"d2d3", 0}, {"d2d4", 0}, | ||
| {"e2e3", 0}, {"e2e4", 0}, | ||
| {"f2f3", 0}, {"f2f4", 0}, | ||
| {"g2g3", 0}, {"g2g4", 0}, | ||
| {"h2h3", 0}, {"h2h4", 0}, | ||
|
|
||
| // Knight moves | ||
| {"b1a3", 0}, {"b1c3", 0}, | ||
| {"g1f3", 0}, {"g1h3", 0} | ||
| }; | ||
|
|
||
| var initialGameState = new GameState(BoardStateExtensions.CreateBoardFromArray(Constants.InitialState)); | ||
| var gameState = new GameState(BoardStateExtensions.CreateBoardFromArray(Constants.InitialState)); | ||
| for (var i = 0; i < 5000000; i++) | ||
| { | ||
| gameState.ResetTo(initialGameState.Board); | ||
| var firstMove = gameState.Moves[Random.Shared.Next(0, gameState.Moves.Count)]; | ||
| gameState.Apply(firstMove); | ||
|
|
||
| var openingMovesBuilder = new StringBuilder(); | ||
| openingMovesBuilder.Append(firstMove.ToUciMoveName()); | ||
| var gameOk = true; | ||
| var j = 1; | ||
|
|
||
| for (j = 1; j < 12; j++) | ||
| { | ||
| var hash = Zobrist.CalculatePolyGlotKey(ref gameState.Board.Data); | ||
| if (!openingMoves.TryGetValue(hash, out var openingMoveList)) | ||
| { | ||
| gameOk = false; | ||
| break; | ||
| } | ||
|
|
||
| var randomOpeningMove = openingMoveList[Random.Shared.Next(0, openingMoveList.Count)]; | ||
| var mv = gameState.Moves.FirstOrDefault(m => ToOpeningMove(m) == randomOpeningMove); | ||
| if (mv == default) | ||
| { | ||
| var uciMove = PolyGlotToUciMove(randomOpeningMove); | ||
| if (uciMove == "e1h1") | ||
| { | ||
| mv = gameState.Moves.FirstOrDefault(m => m.ToUciMoveName() == "e1g1"); | ||
| } | ||
| else if (uciMove == "e1a1") | ||
| { | ||
| mv = gameState.Moves.FirstOrDefault(m => m.ToUciMoveName() == "e1b1"); | ||
| } | ||
| else if (uciMove == "e8h8") | ||
| { | ||
| mv = gameState.Moves.FirstOrDefault(m => m.ToUciMoveName() == "e8g8"); | ||
| } | ||
| else if (uciMove == "e8a8") | ||
| { | ||
| mv = gameState.Moves.FirstOrDefault(m => m.ToUciMoveName() == "e8b8"); | ||
| } | ||
| } | ||
|
|
||
| if (mv == default) | ||
| { | ||
| if (j < 8) | ||
| { | ||
| gameOk = false; | ||
| } | ||
|
|
||
| break; | ||
| } | ||
|
|
||
| openingMovesBuilder.Append(" "); | ||
| openingMovesBuilder.Append(mv.ToUciMoveName()); | ||
| gameState.Apply(mv); | ||
| } | ||
|
|
||
| if (!gameHashes.Contains(gameState.Board.Data.Hash) && gameOk) | ||
| { | ||
| gameHashes.Add(gameState.Board.Data.Hash); | ||
| validFirstMoves[firstMove.ToUciMoveName()]++; | ||
| openingBookBulder.AppendLine(openingMovesBuilder.ToString()); | ||
| } | ||
| } | ||
|
|
||
| var total = 0; | ||
| foreach (var (move, count) in validFirstMoves) | ||
| { | ||
| total += count; | ||
| Console.WriteLine($"move: {move} count: {count}"); | ||
| } | ||
|
|
||
| Console.WriteLine($"Total games: {total}"); | ||
|
|
||
| File.WriteAllText("./book.csv",openingBookBulder.ToString()); | ||
| Console.WriteLine("Fin"); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
|
||
| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net8.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
|
|
||
| <ItemGroup> | ||
| <ProjectReference Include="..\Sapling.Engine\Sapling.Engine.csproj" /> | ||
| </ItemGroup> | ||
|
|
||
| </Project> |
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