Attack on the uncastled king: pawn to a3 (b2·29)
c9-08006naming 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
5. bxa3 O-O 6. h4 Nxh4 7. Bd2
Why it works
- Great move! pawn to a3 keeps the pressure (+5.2).
- Spot on — pawn to h4 (+4.6).
- Precise: bishop to d2 is the top choice (+4.6).
- You reach a winning position (+4.6).
- If instead O-O, then Bd3 and you win the bishop.
About this position
These pieces come from starting position #598.
SP-598 · ThroneScout — A knight starts on the edge (a/h) and the king sits centrally on d or e; the mirror twin stays in this family too.
Explore position #598Similar puzzles
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