Aeroflot Open A 2026 · 2026.03.01 · Elo 2404/2572 · tactic · ★★★★
The daily position for Sunday 13 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 →
Black to move. the model gives this to 1 in 4 at this level.
The solution
22…♖︎e6!△♖︎xe2(not22…♗︎xf3?23.♕︎xe7♗︎c624.♕︎e2♖︎g625.f4=)23.♕︎d3♗︎d6+(not23…♕︎xf3?24.♕︎xf3♗︎xf325.♖︎xe6fxe626.axb5+−)24.♔︎g2(24.♕︎xd6is as good:24…♖︎xd625.♖︎g1♕︎xf3−+)24…♗︎xf3+25.♕︎xf3♖︎g6+26.♕︎g4♖︎xg4+−+
22…♖︎e6 — most players miss this · the threat is ♖︎xe2 — what it plays next if the defence does nothing
23…♗︎d6+ — hard to find · worth +1
24…♗︎xf3+ — almost nobody finds this · worth +1
25…♖︎g6+ — the natural move · the fair stop: the line may end here
26…♖︎xg4+ — 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
Vetokhin found it · 0-1
the game went on24.♔︎g1♕︎xh325.♖︎xe6♗︎h2+26.♔︎h1♗︎xf3+27.♕︎xf3♕︎xf3+28.♔︎xh2♕︎xf2+0-1full game ↗
The field
73% of the 11 committed lines here found the key move — the model predicted 27% at this level.