42nd Andorra Open 2026 · 2026.07.21 · Elo 2562/2406 · interesting · ★★
The daily position for Thursday 3 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 predicts 46% at this level.
59.e6 — hard to find · the threat is e7 — what it plays next if the defence does nothing
60.♔︎e4 — almost nobody finds this · worth +1
61.♖︎b8+ — most players miss this · worth +1
62.♖︎c8+ — the natural move
63.♖︎xc4 — the natural move
“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
Pichot found it · 1-0
the game went on60…♔︎c661.♔︎e5♖︎h762.♔︎f6♖︎h6+63.♔︎f7♖︎h7+64.♔︎g6♔︎c765.♖︎a81-0full game ↗
The field
53% of the 17 committed lines here found the key move — the model predicted 46% at this level.