Attack on the uncastled king: bishop to d4 (a1·4)
c9-01865naming 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
8. Bxd4 O-O 9. Bb2 d4 10. Bxa8
Why it works
- Great move! bishop to d4 keeps the pressure (+3.8).
- bishop to b2 develops smoothly.
- Precise: bishop to a8 is the top choice (+4.0).
- You win a piece — the bishop.
- If instead O-O, then Bb2 and you win the bishop.
About this position
These pieces come from starting position #515.
SP-515 · ThroneGuard — King home on d or e, knights kept off the a- and h-files — the family of the standard starting array.
Explore position #515Similar puzzles
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