Liaocheng Dongchangfu Cup · 2026.07.19 · Elo 2490/2538 · defensive · ★★★★
The daily position for Saturday 29 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 gives this to 1 in 45 at this level.
26.♖︎xe8+ — almost nobody finds this · worth +1 · the fair stop: the line may end here
27.♘︎f6+ — routine — shown for completeness, never demanded
28.♘︎xe8 — routine — shown for completeness, never demanded
29.g4 — 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
Huang found it · ½-½
the game went on29.f4f530.g3♔︎e731.♔︎f2b532.b4½-½full game ↗
The field
57% of the 23 committed lines here found the key move — the model predicted 2% at this level.