Attack on the uncastled king: pawn to c5 (b4·3)
c9-01815naming 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. bxc5 bxc5 11. Rxb7 Qxb7 12. Nc3
Why it works
- Great move! pawn to c5 keeps the pressure (+4.7).
- Spot on — rook to b7 (+4.6).
- Precise: knight to c3 is the top choice (+4.5).
- You reach a winning position (+4.5).
- If instead bxc5, then Rxb7 and you win the rook.
About this position
These pieces come from starting position #391.
SP-391 · BastionGuard — The king starts one file off-centre, on c or f, with neither knight in a corner.
Explore position #391Similar puzzles
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