About chess instruction results of 1,433
18:00 16:24 17:25 20:56 38:32 17:14 22:12 21:34 41:36 72:32 64:00 21:00 26:11 27:42 34:53 20:47 25:05 25:04 81:52 58:47 101:59 53:55 35:56 52:15 78:35 61:54 22:51 23:22 19:34 18:30 20:56 18:49 209:35 28:38 21:50 23:04 23:57 28:05 19:50 20:59 29:58 28:02 16:41 114:25 21:15 31:59