15 days until Advent of Chess 2026

24 new puzzles, one a day from 1 December, at midnight Norwegian time.

Starts in

Grinchuk creeps out of the shadows, grinning.

But someone was lurkingwhere nobody looks,with a grin full of teethand long fingers like hooks.

While you wait

The 2025 archive
  1. 2Helpmate in 2December 20251,893 solversPlay
  2. 1Reach this position in 5 movesDecember 20251,881 solversPlay
  3. 4Add King and mateDecember 20251,464 solversPlay