SpeedChess Final 2025 · 2026.02.07 · Elo 2810/2759 · tactic · ★★★★
The daily position for Sunday 6 September 2026. It is still open to solve — the grader reads your whole line, sidelines and evaluation included, before anything here is shown. Cover the solution and solve it first →
White to move. the model gives this to 1 in 4 at this level.
56.b6 — almost nobody finds this · the threat is ♖︎c7 — what it plays next if the defence does nothing
57.♔︎e6 — almost nobody finds this · worth +1 · threatening ♖︎b8#
58.♖︎c7+ — the standard move
59.♖︎xc3 — the natural move · the fair stop: the line may end here
60.f4 — routine — shown for completeness, never demanded
“hard to find”, “the natural move” and the rest describe how often this move is played by Maia-2, weighted across the 1500/1900/2000 audience the difficulty model is fitted on — a model of human play, not a count of anyone who solved this position.
Members can take this away as a PGN — the diagram, the verified line and their own analysis in one file, for a database, Anki or Chessable.
What happened at the board
Nakamura played g6 instead · 0-1
in the game56.g6♖︎f4+57.♔︎e5c258.♖︎b8+♔︎c759.g7♖︎g460.g8=♕︎♖︎xg861.♖︎xg8c1=♕︎… on to move 104 · 0-1full game ↗
The field
33% of the 15 committed lines here found the key move — the model predicted 26% at this level.