Attack on the uncastled king: pawn to a4 (b3·15)
sf-u-0050Puzzle rating: 780Theme: Uncastled king: the enemy king is stuck in the centre — punish it before it castles.
White to move — find the best continuation
The tactical motive
Uncastled king: the enemy king is stuck in the centre — punish it before it castles.
White to move — find the best continuation
Solution & explanation
Main line
21. bxa4 O-O-O 22. a5 g5 23. a6
Why it works
- Great move! pawn to a4 keeps the pressure (+5.8).
- Spot on — pawn to a5 (+5.4).
- A natural move: pawn to a6.
- You win a piece — the queen.
- If instead O-O-O, then Nf3 and you win the queen.
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