Some fixes

[vchess.git] / client / src / base_rules.js

diff --git a/client/src/base_rules.js b/client/src/base_rules.js
index 52ec2c5..e142839 100644 (file)
--- a/client/src/base_rules.js
+++ b/client/src/base_rules.js
@@ -226,7 +226,7 @@ export const ChessRules = class ChessRules {
     if (
       Math.abs(s.x - e.x) == 2 &&
       s.y == e.y &&
-      move.appear[0].p == V.PAWN
+      (move.appear.length > 0 && move.appear[0].p == V.PAWN)
     ) {
       return {
         x: (s.x + e.x) / 2,
@@ -1284,8 +1284,8 @@ export const ChessRules = class ChessRules {
     }
 
     let candidates = [0];
-    for (let j = 1; j < moves1.length && moves1[j].eval == moves1[0].eval; j++)
-      candidates.push(j);
+    for (let i = 1; i < moves1.length && moves1[i].eval == moves1[0].eval; i++)
+      candidates.push(i);
     return moves1[candidates[randInt(candidates.length)]];
   }