About chess instruction results of 1,433
25:27 24:24 21:26 29:05 18:44 52:56 86:41 38:01 81:03 25:42 21:50 30:51 23:15 23:23 49:09 18:06 33:14 43:48 25:54 23:15 22:41 26:42 83:00 21:41 33:50 31:52 30:42 24:24 27:31 28:56 28:42 33:57 32:43 53:35 87:17 71:24 64:58 58:30 133:17 28:26 27:13 26:08 27:16 29:38 33:43 33:02