Attack on the uncastled king: pawn to a3 (b2·16)
c9-05171naming 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. bxa3 O-O-O 11. Kb2 Ne6 12. Rc1
Why it works
- Great move! pawn to a3 keeps the pressure (+6.5).
- king to b2 develops smoothly.
- Precise: rook to c1 is the top choice (+6.4).
- You win a piece — the queen.
- If instead Bg7, then Kb2 and you win the queen.
About this position
These pieces come from starting position #351.
SP-351 · BastionScout — Off-centre king plus a rim knight (a/h): 168 positions carry this shape.
Explore position #351Similar puzzles
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