diff --git a/game/src/main/java/org/toop/game/games/reversi/BitboardReversi.java b/game/src/main/java/org/toop/game/games/reversi/BitboardReversi.java
index b227515..bb38ed1 100644
--- a/game/src/main/java/org/toop/game/games/reversi/BitboardReversi.java
+++ b/game/src/main/java/org/toop/game/games/reversi/BitboardReversi.java
@@ -93,12 +93,12 @@ public class BitboardReversi extends BitboardGame<BitboardReversi> {
 
 		final long nextLegalMoves = getLegalMoves2();
 
-		if (nextLegalMoves <= 0) {
+		if (nextLegalMoves == 0) {
 			nextTurn();
 
 			final long skippedLegalMoves = getLegalMoves2();
 
-			if (skippedLegalMoves <= 0) {
+			if (skippedLegalMoves == 0) {
 				final long black = getPlayerBitboard(0);
 				final long white = getPlayerBitboard(1);
 
diff --git a/game/src/main/java/org/toop/game/games/tictactoe/BitboardTicTacToe.java b/game/src/main/java/org/toop/game/games/tictactoe/BitboardTicTacToe.java
index fff6e88..0cecbb7 100644
--- a/game/src/main/java/org/toop/game/games/tictactoe/BitboardTicTacToe.java
+++ b/game/src/main/java/org/toop/game/games/tictactoe/BitboardTicTacToe.java
@@ -50,7 +50,7 @@ public class BitboardTicTacToe extends BitboardGame<BitboardTicTacToe> {
 			return GameState.WIN;
 		}
 
-		if (getLegalMoves2() <= 0L || checkEarlyDraw()) {
+		if (getLegalMoves2() == 0L || checkEarlyDraw()) {
 			return GameState.DRAW;
 		}