public static void findKnightMate()
{
/*
* Starting position (White to play)
+---------------+
|r k r _ _ _ _ _| 8
|p p p _ _ p p p| 7
|_ _ _ _ _ _ _ _| 6
|_ _ _ _ N _ _ _| 5
|_ _ _ _ _ _ _ _| 4
|_ _ _ _ _ _ _ _| 3
|_ _ _ _ _ _ _ _| 2
|_ _ K _ _ _ _ _| 1
+---------------+
* A B C D E F G H
*/
var board = BoardFactory.LoadBoardFromFen("rkr5/ppp2ppp/8/4N3/8/8/8/2K5 w - - 0 1");
var moves = board.GetMoves();
//var minmax = new MinMaxAI();
//BestMove foundMove = minmax.MinMaxList(board, 1)[0];
var aiWorkers = new AIWorkerManager();
aiWorkers.spawnWorkers(3);
aiWorkers.analyzeBoard(board, 1).Wait();
aiWorkers.killWorkers();
EvaluatedMove foundMove = aiWorkers.GetBestMove();
Assert.AreEqual(BoardStateOffset.D7, foundMove.move.targetPosition);
}
public void keepPlayingEvenWhenLost()
{
/*
* Starting position (Black to play)
+---------------+
|B _ _ _ _ _ _ _| 8
|_ _ _ _ _ P R p| 7
|_ _ _ _ N _ _ k| 6
|_ _ _ p _ _ p _| 5
|_ _ _ _ _ _ _ _| 4
|_ _ _ _ P _ P _| 3
|P _ _ _ _ _ K _| 2
|_ _ _ _ _ _ _ _| 1
+---------------+
* A B C D E F G H
*/
var board = BoardFactory.LoadBoardFromFen("B7/5PRp/4N2k/3p2p1/8/4P1P1/P5K1/8 b - - 0 2");
var moves = board.GetMoves();
var aiWorkers = new AIWorkerManager();
aiWorkers.spawnWorkers(3);
aiWorkers.analyzeBoard(board, 5).Wait();
aiWorkers.killWorkers();
EvaluatedMove foundMove = aiWorkers.GetBestMove();
Assert.IsTrue(MoveHelper.isValidMove(foundMove.move));
}
public void keepPlayingEvenWhenLostSimpler()
{
/*
* Starting position (Black to play)
+---------------+
|_ _ _ _ _ _ _ k| 8
|p R p _ _ _ p _| 7
|P p P _ _ _ P _| 6
|_ P _ _ _ _ p _| 5
|_ _ _ _ _ _ _ _| 4
|_ _ _ _ _ _ _ _| 3
|_ _ _ _ _ _ _ _| 2
|_ _ _ _ _ _ _ _| 1
+---------------+
* A B C D E F G H
*/
var board = BoardFactory.LoadBoardFromFen("7k/pRp3p1/PpP3P1/1P4p1/8/8/8/8 b - - 0 1");
var moves = board.GetMoves();
var aiWorkers = new AIWorkerManager();
aiWorkers.spawnWorkers(3);
aiWorkers.analyzeBoard(board, 2).Wait();
aiWorkers.killWorkers();
EvaluatedMove foundMove = aiWorkers.GetBestMove();
Assert.IsTrue(MoveHelper.isValidMove(foundMove.move));
}
public static void findMateIn2()
{
/*
* Starting position (White to play)
+---------------+
|r n b k _ _ r _| 8
|p p p p _ p B p| 7
|_ _ _ q _ _ _ _| 6
|_ _ _ _ _ _ _ _| 5
|_ _ B _ _ _ Q _| 4
|_ _ _ _ _ _ _ _| 3
|P _ _ _ _ _ P P| 2
|R _ _ _ R _ K _| 1
+---------------+
* A B C D E F G H
*/
var board = BoardFactory.LoadBoardFromFen("rnbk2r1/pppp1pBp/3q4/8/2B3Q1/8/P5PP/R3R1K1 w - - 0 1");
var moves = board.GetMoves();
var aiWorkers = new AIWorkerManager();
aiWorkers.spawnWorkers(3);
aiWorkers.analyzeBoard(board, 3).Wait();
aiWorkers.killWorkers();
EvaluatedMove foundMove = aiWorkers.GetBestMove();
Assert.AreEqual(BoardStateOffset.F6, foundMove.move.targetPosition);
}
public static void findQueenMate()
{
/*
* Starting position (White to play)
+---------------+
|_ k _ _ _ _ _ _| 8
|p p p p _ p p p| 7
|_ _ _ _ _ _ _ _| 6
|_ _ _ _ Q _ _ _| 5
|_ _ _ _ _ _ _ _| 4
|_ _ _ _ _ _ _ _| 3
|_ _ _ _ _ _ _ _| 2
|_ _ K _ _ _ _ _| 1
+---------------+
* A B C D E F G H
*/
var board = BoardFactory.LoadBoardFromFen("1k6/pppp1ppp/8/4Q3/8/8/8/2K5 w - - 0 1");
var moves = board.GetMoves();
var bestMove = moves.FindTargetPosition(BoardStateOffset.E8);
var aiWorkers = new AIWorkerManager();
aiWorkers.spawnWorkers(3);
aiWorkers.analyzeBoard(board, 1).Wait();
aiWorkers.killWorkers();
EvaluatedMove foundMove = aiWorkers.GetBestMove();
Assert.AreEqual(bestMove.targetPosition, foundMove.move.targetPosition);
}
public void solvePositionWorker()
{
var ai = new AIWorkerManager();
ai.spawnWorkers(workers);
Task.Run(async() => {
await ai.analyzeBoard(board, depth);
}).GetAwaiter().GetResult();
ai.killWorkers();
}
public static void defendAgainstMate()
{
/*
* Starting position (White to play)
+---------------+
|_ _ _ _ _ _ k _| 8
|_ _ _ _ _ _ _ _| 7
|_ _ _ _ _ _ _ _| 6
|_ _ _ r _ _ _ _| 5
|_ _ _ _ _ _ _ _| 4
|_ _ _ _ p _ p _| 3
|_ _ _ _ P _ P _| 2
|_ _ N _ _ _ K _| 1
+---------------+
* A B C D E F G H
* C1 -> D3 (expected line to protect against mate on D1)
+---------------+
|_ _ _ _ _ _ k _| 8
|_ _ _ _ _ _ _ _| 7
|_ _ _ _ _ _ _ _| 6
|_ _ _ r _ _ _ _| 5
|_ _ _ _ _ _ _ _| 4
|_ _ _ N p _ p _| 3
|_ _ _ _ P _ P _| 2
|_ _ _ _ _ _ K _| 1
+---------------+
* A B C D E F G H
* D5 -> D3
+---------------+
|_ _ _ _ _ _ k _| 8
|_ _ _ _ _ _ _ _| 7
|_ _ _ _ _ _ _ _| 6
|_ _ _ _ _ _ _ _| 5
|_ _ _ _ _ _ _ _| 4
|_ _ _ r p _ p _| 3
|_ _ _ _ P _ P _| 2
|_ _ _ _ _ _ K _| 1
+---------------+
* A B C D E F G H
*/
var board = BoardFactory.LoadBoardFromFen("6k1/8/8/3r4/8/4p1p1/4P1P1/2N3K1 w - - 0 1");
var moves = board.GetMoves();
var aiWorkers = new AIWorkerManager();
aiWorkers.spawnWorkers(3);
aiWorkers.analyzeBoard(board, 3).Wait();
aiWorkers.killWorkers();
EvaluatedMove foundMove = aiWorkers.GetBestMove();
// the rook has to move to e3 to defend against mate(d4->e2)
Assert.AreEqual(BoardStateOffset.D3, foundMove.move.targetPosition);
}
public async Task <Move> GetAiMove(int diffculty, ChessGame game)
{
var ai = new AIWorkerManager();
ai.spawnWorkers(chessConfig.Threads);
await ai.analyzeBoard(game.GetBoard(), diffculty, new Stack <Move>());
var move = ai.GetBestMove();
ai.killWorkers();
return(move.move);
}
public static void findMateIn3()
{
/*
* Starting position (White to play)
+---------------+
|r _ b _ n _ _ r| 8
|_ q _ n N p b k| 7
|_ p _ p _ _ p _| 6
|p _ _ N p P P p| 5
|_ _ P _ P _ _ P| 4
|_ _ _ B B _ _ _| 3
|P P _ _ _ _ _ _| 2
|R _ _ Q K _ _ R| 1
+---------------+
* A B C D E F G H
* D1 -> H5
+---------------+
|r _ b _ n _ _ r| 8
|_ q _ n N p b k| 7
|_ p _ p _ _ p _| 6
|p _ _ N p P P Q| 5
|_ _ P _ P _ _ P| 4
|_ _ _ B B _ _ _| 3
|P P _ _ _ _ _ _| 2
|R _ _ _ K _ _ R| 1
+---------------+
* A B C D E F G H
* G6 -> H5
+---------------+
|r _ b _ n _ _ r| 8
|_ q _ n N p b k| 7
|_ p _ p _ _ _ _| 6
|p _ _ N p P P p| 5
|_ _ P _ P _ _ P| 4
|_ _ _ B B _ _ _| 3
|P P _ _ _ _ _ _| 2
|R _ _ _ K _ _ R| 1
+---------------+
* A B C D E F G H
* G5 -> G6
+---------------+
|r _ b _ n _ _ r| 8
|_ q _ n N p b k| 7
|_ p _ p _ _ P _| 6
|p _ _ N p P _ p| 5
|_ _ P _ P _ _ P| 4
|_ _ _ B B _ _ _| 3
|P P _ _ _ _ _ _| 2
|R _ _ _ K _ _ R| 1
+---------------+
* A B C D E F G H
* F7 -> G6
+---------------+
|r _ b _ n _ _ r| 8
|_ q _ n N _ b k| 7
|_ p _ p _ _ p _| 6
|p _ _ N p P _ p| 5
|_ _ P _ P _ _ P| 4
|_ _ _ B B _ _ _| 3
|P P _ _ _ _ _ _| 2
|R _ _ _ K _ _ R| 1
+---------------+
* A B C D E F G H
* F5 -> G6 (Mate)
+---------------+
|r _ b _ n _ _ r| 8
|_ q _ n N _ b k| 7
|_ p _ p _ _ P _| 6
|p _ _ N p _ _ p| 5
|_ _ P _ P _ _ P| 4
|_ _ _ B B _ _ _| 3
|P P _ _ _ _ _ _| 2
|R _ _ _ K _ _ R| 1
+---------------+
* A B C D E F G H
*/
var board = BoardFactory.LoadBoardFromFen("r1b1n2r/1q1nNpbk/1p1p2p1/p2NpPPp/2P1P2P/3BB3/PP6/R2QK2R w - - 0 1");
var aiWorkers = new AIWorkerManager();
aiWorkers.spawnWorkers(3);
aiWorkers.analyzeBoard(board, 5).Wait();
aiWorkers.killWorkers();
EvaluatedMove foundMove = aiWorkers.GetBestMove();
if (!(foundMove.move.targetPosition == BoardStateOffset.H5 || foundMove.move.targetPosition == BoardStateOffset.G6))
{
Assert.Fail($"found move {MoveHelper.ReadableMove(foundMove.move)}");
}
}
