The daily position for Tuesday 25 August 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 →
Black to move. the model predicts 38% at this level.
The solution
35…♖︎c1+!(not35…d5?36.g6♘︎d837.♖︎b8♖︎d638.♔︎f2+−)36.♔︎f2(36.♔︎g2is more resilient:36…g637.♖︎b8+♔︎h7=)36…♖︎c2+37.♔︎f3g6(not37…♖︎xa2?38.g6♘︎e5+39.♔︎e3♘︎xg640.♖︎xg7++−)38.♖︎b8+♔︎h739.♖︎f8♘︎e5+=
35…♖︎c1+ — most players miss this
36…♖︎c2+ — the standard move
37…g6 — almost nobody finds this · worth +1 · the fair stop: the line may end here
38…♔︎h7 — routine — shown for completeness, never demanded
39…♘︎e5+ — 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
Krallis found it · ½-½
the game went on36…g637.♖︎b8+♔︎h738.♖︎b7♔︎g839.a4♖︎c2+40.♔︎f3♖︎c3+41.♔︎g2h442.b4… on to move 48 · ½-½full game ↗
The field
54% of the 48 committed lines here found the key move — the model predicted 38% at this level.