Attack on the uncastled king: pawn to b6 (c5·5)
c9-02864naming 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
9. cxb6 O-O 10. b5 axb5 11. Bxb5
Why it works
- Great move! pawn to b6 keeps the pressure (+5.2).
- Spot on — pawn to b5 (+4.8).
- Precise: bishop to b5 is the top choice (+4.6).
- You win a piece — the rook.
- If instead O-O, then Nxa4 and you win the rook.
About this position
These pieces come from starting position #402.
SP-402 · RampartGuard — King on the wing (b/g) with both knights on inner files.
Explore position #402Similar puzzles
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