Attack on the uncastled king: bishop to a4 (d1·11)
c9-08236naming tag (square·N)Shuffle Rating 780Theme: 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
5. Bxa4 O-O 6. Bc2 b5 7. cxb5
Why it works
- Great move! bishop to a4 keeps the pressure (+7.3).
- bishop to c2 develops smoothly.
- Precise: pawn to b5 is the top choice (+7.3).
- You win a piece — the queen.
- If instead e5, then dxe5 and you win the queen.
About this position
These pieces come from starting position #149.
SP-149 · RampartScout — King on b or g with a knight already on the edge — the least common of the position families (72 in all).
Explore position #149Similar puzzles
Free, no ads · Android 8.0+ · coming soon to Google Play