Winning blow: pawn to a5 (a4·4)
c9-10241naming tag (square·N)Shuffle Rating 2060Theme: Chess960 twist: use the unusual starting setup of the pieces.
TypeQuiet move
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
17. a5 Qc6 18. axb6+ Kxb6 19. f3+
Why it works
- Great move! pawn to a5 keeps the pressure (#4).
- Well found: pawn to b6 (#3).
- Precise: pawn to f3 is the top choice (#2).
- You win decisive material (+15.0).
- If instead Qc6, then axb6+ and you stay on top.
About this position
These pieces come from starting position #909.
SP-909 · RampartScout — Wing king plus a rim knight, and only 72 positions qualify — the rarest pattern of all.
Explore position #909Similar puzzles
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