Attack on the uncastled king: bishop to d4 (a1·9)
c9-05130naming 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. Bxd4 Rg6 6. O-O-O Rd6 7. Bxc6
Why it works
- Great move! bishop to d4 keeps the pressure (+4.5).
- king to c1 develops smoothly.
- Precise: bishop to c6 is the top choice (+4.3).
- You win a piece — the bishop.
- If instead Rg6, then Bxc6 and you win the bishop.
About this position
These pieces come from starting position #243.
SP-243 · ThroneGuard — Both knights start on inner files (b–g) while the king sits centrally on d or e — one of 204 positions filed here.
Explore position #243Similar puzzles
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