Petroff Defence: PDF booklet and PGN file added to secret openings booklet list -- comments invited, may get updated soon.
Chess Tips
| MIDDLEGAME TIPS: |
* In particular, don't panic and refuse sacrificed material that you could have for free. Don't decline "on principle". This is declining from fear, not knowledge. Play the strongest move, which may well be to take the material and make your opponent prove their judgement was correct. |