dbrs
Live
Openings
Undo
Reset
Flip
Copy FEN
1.
Nf3
c5
2.
e3
g6
3.
d4
Bg7
4.
dxc5
Qa5+
Colle System
ECO
A04–A40
Games
9
Average rating
2452
Engine
Most played variants
1
Rhamphorhynchus Variation
9