the valve of pieces (professional)
1 • sadrahaghlesan •- position 1
- position 2
- position 3
- position 4
- sadrahaghlesan
all the openings easy to hard
7 • sadrahaghlesan •- D6 weakness
- Nf6 weakness weak players
- Nf6 weakness good players
- alpha zero answer for two knights opening
- sadrahaghlesan