X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FKoopa.js;h=c7b0859f1c389061695955d6bc3fddbada972570;hb=78a75d54a18dec6dcedeeba98e5f67645d2edd51;hp=f24e5b2f995f74855bb2471074dcd7a1fdbfade9;hpb=6e0f28425075e6d2d79cab6d30bca6ce6d55f19d;p=vchess.git

diff --git a/client/src/variants/Koopa.js b/client/src/variants/Koopa.js
index f24e5b2f..c7b0859f 100644
--- a/client/src/variants/Koopa.js
+++ b/client/src/variants/Koopa.js
@@ -49,11 +49,9 @@ export class KoopaRules extends ChessRules {
   }
 
   getStunnedFen() {
-    return (
-      Object.keys(this.stunned)
-      .map(square => square + this.stunned[square])
-      .join(",")
-    );
+    const squares = Object.keys(this.stunned);
+    if (squares.length == 0) return "-";
+    return squares.map(square => square + this.stunned[square]).join(",");
   }
 
   // Base GenRandInitFen() is fine because en-passant indicator will
@@ -80,7 +78,7 @@ export class KoopaRules extends ChessRules {
             this.INIT_COL_KING["w"] = k;
             break;
           default: {
-            const num = parseInt(fenRows[i].charAt(j));
+            const num = parseInt(fenRows[i].charAt(j), 10);
             if (!isNaN(num)) k += num - 1;
           }
         }
@@ -100,7 +98,7 @@ export class KoopaRules extends ChessRules {
         .map(s => {
           return {
             square: s.substr(0, 2),
-            state: parseInt(s[2])
+            state: parseInt(s[2], 10)
           };
         });
     }
@@ -186,7 +184,10 @@ export class KoopaRules extends ChessRules {
             m.appear[0].x = i;
             m.appear[0].y = j;
             // Is it a pawn on last rank?
-            if ((color == 'w' && i == 0) || (color == 'b' && i == 7)) {
+            if (
+              m.appear[0].p == V.PAWN &&
+              ((color == 'w' && i == 0) || (color == 'b' && i == 7))
+            ) {
               m.appear[0].p = V.ROOK;
               for (let ppiece of [V.KNIGHT, V.BISHOP, V.QUEEN]) {
                 let mp = JSON.parse(JSON.stringify(m));