The daily position for Wednesday 12 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 →
White to move. the model predicts 79% at this level.
The solution
47.♕︎h8+!♕︎g8(47…♔︎f7is as good:48.♖︎b7++−)48.♕︎xh6+♕︎g749.♕︎xg7+♔︎xg750.♗︎xf5+−
47.♕︎h8+ — most players miss this
48.♕︎xh6+ — hard to find · worth +1
49.♕︎xg7+ — hard to find · worth +1 · the fair stop: the line may end here
49…♔︎xg7 — forced — the only legal move
50.♗︎xf5 — 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
Wagner found it · 1-0
the game went on47…♔︎f748.♖︎b7+♖︎e749.♖︎b8♖︎e2+50.♗︎xe21-0full game ↗
The field
100% of the 7 committed lines here found the key move — the model predicted 79% at this level.