Attack on the uncastled king: pawn to c4 (b3·42)
c9-25088naming tag (square·N)Shuffle Rating 1200Theme: Chess960 twist: use the unusual starting setup of the pieces.
White to move — find the best continuation
The tactical motive
Chess960 twist: use the unusual starting setup of the pieces.
White to move — find the best continuation
Solution & explanation
Main line
11. bxc4 bxc4 12. Bd4 O-O 13. g4 c5 14. Bxc5
Why it works
- Great move! pawn to c4 keeps the pressure (+2.4).
- bishop to d4 develops smoothly.
- Precise: pawn to g4 is the top choice (+2.7).
- Great move! bishop to c5 keeps the pressure (+3.1).
- You win a piece — the knight.
- If instead bxc4, then Bd4 and you stay on top.
About this position
These pieces come from starting position #64.
SP-64 · BastionGuard — Both knights begin inside the board while the king stands on c or f; a position and its mirror twin share this family.
Explore position #64Similar puzzles
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