app/src/main/java/chess/ai/minimax/AlphaBetaThread.java

@@ -38,13 +38,9 @@ public class AlphaBetaThread extends Thread {
 
 	private float getEndGameEvaluation() {
 		Color currentTurn = this.simulation.getPlayerTurn();
-		if (currentTurn == this.color) {
-			return HORRIBLE_MOVE;
-		} else {
-			if (this.simulation.getBoard().isKingInCheck(currentTurn))
-				return GREAT_MOVE;
-			return getBoardEvaluation() + PieceCost.PAWN;
-		}
+		if (this.simulation.getBoard().isKingInCheck(currentTurn))
+			return GREAT_MOVE;
+		return getBoardEvaluation() - PieceCost.PAWN;
 	}
 
 	private float getBoardEvaluation() {
@@ -57,8 +53,6 @@ public class AlphaBetaThread extends Thread {
 				result += pieceCost.getCost(piece) + piecePosCost.getEvaluation(piece, coordinate);
 			}
 		}
-		if (this.simulation.getPlayerTurn() != color)
-			return -result;
 		return result;
 	}
 
@@ -70,9 +64,6 @@ public class AlphaBetaThread extends Thread {
 	}
 
 	private float negaMax(int depth, float alpha, float beta) {
-		if (depth == 0)
-			return getBoardEvaluation();
-
 		float value = MIN_FLOAT;
 
 		List<Move> moves = this.simulation.getAllowedMoves();
@@ -84,7 +75,7 @@ public class AlphaBetaThread extends Thread {
 
 		for (Move move : moves) {
 			this.simulation.tryMove(move);
-			movesCost.add(Map.entry(move, getBoardEvaluation()));
+			movesCost.add(Map.entry(move, -getBoardEvaluation()));
 			this.simulation.undoMove();
 		}