Attack on the uncastled king: pawn to g5 (f4·30)
c9-08308naming 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
4. fxg5 O-O-O 5. b4 f5 6. exf5
Why it works
- Great move! pawn to g5 keeps the pressure (+5.1).
- pawn to b4 develops smoothly.
- Precise: pawn to f5 is the top choice (+4.9).
- You win a piece — the bishop.
- If instead O-O-O, then d4 and you win the bishop.
About this position
These pieces come from starting position #345.
SP-345 · BastionScout — Off-centre king plus a rim knight (a/h): 168 positions carry this shape.
Explore position #345Similar puzzles
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