For the whole article, click here.
Watch the video. Also look at the diagrams below (with commentary underneath).
Some key concepts:
- Backward Queen Checks
- Attack on the 7th rank
- The "Qd7" unstoppable mate in a usually equal K+Q vs K+Q endgame.
- Deflection of the defending Bishop.
- Trading to defend.
White to Play, mate in 21 or win material.
