Chessco
Chessco
Scout
Prepare
Practice
ChessCam
Hall of Fame
How it works
Pricing
Sign in
Get started
Loading prep target…
Prepare to play chess against 21erv (chess.com) | Chessco
← Prepare against a different opponent
Prep target
21erv
chess.com · DE
Opponent
Platform
chess.com
Lichess
Load Opening Tree
Opponent color
Opponent as White
Opponent as Black
Time class
(none = all)
Bullet
Blitz
Rapid
Classical
Window
Last 1y
Last 2y
Last 3y
Last 5y
All time
Custom