X-Git-Url: https://git.auder.net/?p=vchess.git;a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FGrand.js;h=7f5fe422fb32c862a3aa70f27c86060d3cf1f42a;hp=7248f578cc771952e030db9436675719dae1bd56;hb=6e62b1c7d177585003e923d423025dff280a7525;hpb=4f7723a1a0d1554f16c699017ae308079aa43a69

diff --git a/public/javascripts/variants/Grand.js b/public/javascripts/variants/Grand.js
index 7248f578..7f5fe422 100644
--- a/public/javascripts/variants/Grand.js
+++ b/public/javascripts/variants/Grand.js
@@ -18,6 +18,23 @@ class GrandRules extends ChessRules
 		return true;
 	}
 
+	static IsGoodEnpassant(enpassant)
+	{
+		if (enpassant != "-")
+		{
+			const squares = enpassant.split(",");
+			if (squares.length > 2)
+				return false;
+			for (let sq of squares)
+			{
+				const ep = V.SquareToCoords(sq);
+				if (isNaN(ep.x) || !V.OnBoard(ep))
+					return false;
+			}
+		}
+		return true;
+	}
+
 	static ParseFen(fen)
 	{
 		const fenParts = fen.split(" ");