X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=www%2Fjs%2Fchess.js;fp=www%2Fjs%2Fchess.js;h=f02f04ecfe19a1287f5c1d4fd60f0b0ca007d325;hp=a0e3813c8e4ceea1e5c9d4c7cd0c78dacacdeb08;hb=ce321586248ffa259f27a4b4554d40c117250675;hpb=e961331f0f08ba475f53599442c0d330bd520c91

diff --git a/www/js/chess.js b/www/js/chess.js
index a0e3813..f02f04e 100644
--- a/www/js/chess.js
+++ b/www/js/chess.js
@@ -270,7 +270,7 @@ var Chess = function(fen) {
     var black_frc_columns = tokens[2].match(/[a-h]/g);
     if (black_frc_columns !== null) {
       for (i = 0; i < black_frc_columns.length; ++i) {
-        var sq = SQUARES.a1 + (black_frc_columns[0].charCodeAt(0) - "A".charCodeAt(0));
+        var sq = SQUARES.a8 + (black_frc_columns[0].charCodeAt(0) - "a".charCodeAt(0));
         flag = sq < kings[BLACK] ? BITS.QSIDE_CASTLE : BITS.KSIDE_CASTLE;
         castling.b |= flag;
         rooks[BLACK].push({square: sq, flag: flag});