Fix king pos update in Ultima. TODO: explain rules

diff --git a/public/javascripts/variants/Ultima.js b/public/javascripts/variants/Ultima.js
index 588968d..1db3691 100644 (file)
--- a/public/javascripts/variants/Ultima.js
+++ b/public/javascripts/variants/Ultima.js
@@ -404,9 +404,9 @@ class UltimaRules extends ChessRules
                }
                // Does this move takes opponent's king?
                const oppCol = this.getOppCol(c);
-               for (let psq of move.vanish)
+               for (let i=1; i<move.vanish.length; i++)
                {
-                       if (psq.p == VariantRules.KING)
+                       if (move.vanish[i].p == VariantRules.KING)
                        {
                                this.kingPos[oppCol] = [-1,-1];
                                break;
@@ -422,8 +422,9 @@ class UltimaRules extends ChessRules
                if (this.kingPos[oppCol][0] < 0)
                {
                        // Last move took opponent's king
-                       for (let psq of move.vanish)
+                       for (let i=1; i<move.vanish.length; i++)
                        {
+                               const psq = move.vanish[i];
                                if (psq.p == 'k')
                                {
                                        this.kingPos[oppCol] = [psq.x, psq.y];