Attack on the uncastled king: rook to a4 (a1·3)
c9-02607naming 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
10. Rxa4 O-O-O 11. Qc1 Be7 12. Nef4
Why it works
- Great move! rook to a4 keeps the pressure (+5.0).
- queen to c1 develops smoothly.
- Precise: knight to f4 is the top choice (+4.5).
- You win a piece — the bishop.
- If instead Be7, then Bd2 and you win the bishop.
About this position
These pieces come from starting position #730.
SP-730 · RampartGuard — Both knights begin on inner files while the king sits on the wing (b/g); mirror twins stay together in this family.
Explore position #730Similar puzzles
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