About chess lessons for intermediate results of 10,000
06:11
23:42
12:14
10:18
06:31
11:31
05:23
11:35
06:13
24:30
94:14
07:25
16:54
08:14
02:27
50:03
02:42
15:43
03:52
06:08
01:06
14:23
12:44
07:03
02:25
105:26
11:42
05:43
94:47
02:03
03:22
03:12
04:37
05:43
15:37
29:39
28:48
02:58
13:14
01:34
12:47
04:58
07:04
01:22
03:45
11:20