About chess tutorial results of 2,700
42:30 35:33 56:29 65:09 167:38 104:02 95:59 154:48 36:08 54:51 167:21 50:52 90:07 36:03 34:01 53:21 78:11 55:20 56:54 56:31 58:38 44:45 44:04 55:19 40:24 42:30 41:36 129:27 43:39 61:54 59:29 60:15 61:09 98:56 47:25 51:46 106:38 131:28 81:48 116:14 60:01 53:37 162:56 49:58 52:56 41:56