Activity
Mon
Wed
Fri
Sun
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
What is this?
Less
More
Chess Courses by RCS
4.6k
$1
Russian Chess School
502
4.8
$34/m
0 contributions to Chess Courses by RCS
Jarno Mantila hasn't contributed to Chess Courses by RCS yet.
@jarno-mantila-6503
I'm really bad at chess, but then it gives a chance for great development.
chess.com bullet under 1000, blitz 1000-1200, rapid 1500-1600
Active 6m ago
Joined Jun 20, 2025