Attack on the uncastled king: knight to a5 (b3·20)
sf-u-0055Puzzle 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
20. Nxa5 b6 21. Nb3 O-O 22. cxb6
Why it works
- Great move! knight to a5 keeps the pressure (+3.8).
- Spot on — knight to b3 (+3.6).
- Precise: pawn to b6 is the top choice (+3.5).
- You win a piece — the knight.
- If instead b6, then cxb6 and you win the knight.
Similar puzzles
Free, no ads · Android 8.0+ · coming soon to Google Play