Attack on the uncastled king: pawn to b7 (b6·3)
c9-22254naming tag (square·N)Shuffle Rating 1250Theme: 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
21. b7 O-O 22. b8=Q Rxb8 23. Qxb8+
Why it works
- Great move! pawn to b7 keeps the pressure (+2.0).
- pawn to b8 develops smoothly.
- Strong! queen to b8 is the sharp choice (+2.5).
- You win a piece — the rook.
- If instead O-O, then b8=Q and you win the pawn.
About this position
These pieces come from starting position #136.
SP-136 · RampartScout — A knight in the corner and the king out on the wing (b/g); like every family, it is closed under mirror twins.
Explore position #136Similar puzzles
Free, no ads · Android 8.0+ · coming soon to Google Play