Attack on the uncastled king: rook to b1 (c1·4)
c9-23871naming tag (square·N)Shuffle Rating 1390Theme: 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
7. Rb1 Qa3 8. Ra1 Qb4 9. Ra4 a5 10. Rxb4
Why it works
- Great move! rook to b1 keeps the pressure (+3.7).
- Well found: rook to a1 (+3.8).
- A natural move: rook to a4.
- Best move. rook to b4 is exactly what the engine plays (+3.7).
- You win a piece — the queen.
- If instead Qa3, then Ra1 and you stay on top.
About this position
These pieces come from starting position #73.
SP-73 · BastionScout — A c- or f-file king with at least one knight out on the edge.
Explore position #73Similar puzzles
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