Attack on the uncastled king: pawn to b4 (a3·9)
c9-05491naming 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
11. axb4 Nf7 12. b5 Nb4 13. Nbd2
Why it works
- Great move! pawn to b4 keeps the pressure (+4.8).
- pawn to b5 develops smoothly.
- A natural move: knight to d2.
- You win a piece — the bishop.
- If instead Nf7, then b5 and you win the bishop.
About this position
These pieces come from starting position #178.
SP-178 · ThroneGuard — A centre-file king with no knight on the edge; a position and its mirror twin always share this family.
Explore position #178Similar puzzles
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