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Attack on the uncastled king: knight to b7 (a5·15)

Shuffle Rating 620Theme: Chess960 twist: use the unusual starting setup of the pieces.
White to move — find the best continuation

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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. Nxb7#

Why it works

  • Great move! knight to b7 keeps the pressure (#).
  • The line ends in a forced mate in 1.

About this position

These pieces come from starting position #268.

SP-268 · ThroneScout — A knight starts on the edge (a/h) and the king sits centrally on d or e; the mirror twin stays in this family too.

Explore position #268

Provenance

Mined from the project's engine self-play games.

Verified by Stockfish at depth 20+.

Solution forcedness confirmed (verified).

Pack 001 · SP-268

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