Attack on the uncastled king: pawn to b4 (a3·16)
c9-07550naming 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
13. axb4 Nxb4 14. O-O O-O 15. Nd1
Why it works
- Great move! pawn to b4 keeps the pressure (+6.0).
- king to g1 develops smoothly.
- Precise: knight to d1 is the top choice (+5.8).
- You win a piece — the queen.
- If instead Nxb4, then O-O and you win the queen.
About this position
These pieces come from starting position #486.
SP-486 · ThroneGuard — King on a central file (d/e) with both knights on inner files — the classic-type setup.
Explore position #486Similar puzzles
Free, no ads · Android 8.0+ · coming soon to Google Play