Petroff Defence: PDF booklet and PGN file added to secret openings booklet list -- comments invited, may get updated soon.
Chess Tips
| OPENING TIPS: |
(Fine) 2. White's problem in the opening is to secure the better position, while... |
Petroff Defence: PDF booklet and PGN file added to secret openings booklet list -- comments invited, may get updated soon.
| OPENING TIPS: |
(Fine) 2. White's problem in the opening is to secure the better position, while... |