Castling-960 to the rescue on a1 (d1·11)
c9-19504naming tag (square·N)Shuffle Rating 1340Theme: Castling 960: the strongest move is to castle — drag the king onto its rook.
White to move — find the best continuation
The tactical motive
Castling 960: the strongest move is to castle — drag the king onto its rook.
White to move — find the best continuation
Solution & explanation
Main line
18. O-O-O Nxa2+ 19. Nxa2 Qxe4 20. Nb4
Why it works
- Great move! king to c1 keeps the pressure (+2.4).
- Well found: knight to a2 (+2.8).
- Strong! knight to b4 is the sharp choice (+2.7).
- You reach a winning position (+2.7).
- If instead Nxa2+, then Nxa2 and you stay on top.
About this position
These pieces come from starting position #662.
SP-662 · ThroneGuard — The king starts in the middle of the back rank, on d or e, and neither knight begins in a corner.
Explore position #662Similar puzzles
Free, no ads · Android 8.0+ · coming soon to Google Play