X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FCheckered.js;h=4a9419a8ad88e7d36953d01881181dd6eee81c61;hb=c326e657d451c90220edbaa6f09fcb991350524c;hp=d73cef41431f55c3fe1c011d4d8219a0925e205a;hpb=643479f8d7c3622b57fc49c4f10d9950793ebf4f;p=vchess.git

diff --git a/public/javascripts/variants/Checkered.js b/public/javascripts/variants/Checkered.js
index d73cef41..4a9419a8 100644
--- a/public/javascripts/variants/Checkered.js
+++ b/public/javascripts/variants/Checkered.js
@@ -151,7 +151,10 @@ class CheckeredRules extends ChessRules
 			const L = this.moves.length;
 			if (L > 0 && this.oppositeMoves(this.moves[L-1], m))
 				return false;
-			return !this.underCheck(m);
+			this.play(m);
+			const res = !this.underCheck(color);
+			this.undo(m);
+			return res;
 		});
 	}
 
@@ -176,19 +179,13 @@ class CheckeredRules extends ChessRules
 		return false;
 	}
 
-	underCheck(move)
+	underCheck(color)
 	{
-		const color = this.turn;
-		this.play(move);
-		let res = this.isAttacked(this.kingPos[color], [this.getOppCol(color),'c']);
-		this.undo(move);
-		return res;
+		return this.isAttacked(this.kingPos[color], [this.getOppCol(color),'c']);
 	}
 
-	getCheckSquares(move)
+	getCheckSquares(color)
 	{
-		this.play(move);
-		const color = this.turn;
 		// Artifically change turn, for checkered pawns
 		this.turn = this.getOppCol(color);
 		const kingAttacked = this.isAttacked(
@@ -197,7 +194,6 @@ class CheckeredRules extends ChessRules
 			? [JSON.parse(JSON.stringify(this.kingPos[color]))] //need to duplicate!
 			: [];
 		this.turn = color;
-		this.undo(move);
 		return res;
 	}
 
@@ -282,7 +278,7 @@ class CheckeredRules extends ChessRules
 			if (move.vanish.length > 1)
 			{
 				// Capture
-				const startColumn = V.GetColumn(move.start.y);
+				const startColumn = V.CoordToColumn(move.start.y);
 				notation = startColumn + "x" + finalSquare +
 					"=" + move.appear[0].p.toUpperCase();
 			}