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the library · reviewed 2026-08-31

Paragua – Lalith

14th New York Int 2026 · 2026.07.17 · Elo 2403/2513 · defensive · ★
The daily position for Wednesday 26 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 →
r . . q . r k .
p p . . . p p p
. . n . . . . .
. . . . . b . .
. . . N . . . .
. . n . . . P P
P . . . . P B .
R . B Q . R K .
White to move. the model predicts 65% at this level.

The solution

14.♘︎xc6! △♕︎xd8 (not 14.♕︎b3? ♘︎xd4 15.♕︎xb7 ♕︎f6 −+) 14…bxc6 (if 14…♘︎xd1? then 15.♘︎xd8 ♖︎axd8 16.♗︎a3 ±) 15.♕︎f3 ♕︎d3 16.♕︎xd3 ♗︎xd3 17.♖︎e1 (not 17.♗︎xc6? ♖︎ac8 18.♗︎d7 ♖︎c7 19.♗︎g4 ♗︎xf1 ∓) =

“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

Paragua found it · ½-½

the game went on 17…♖︎fe8 18.♖︎xe8+ ♖︎xe8 19.♗︎e3 ♗︎b5 20.♔︎h2 a6 21.♗︎xc6 ♗︎xc6 22.♖︎c1 ♗︎d5 23.♖︎xc3 ♗︎xa2 24.♖︎c6 ♖︎a8 25.♗︎a7½-½full game ↗

The field

88% of the 24 committed lines here found the key move — the model predicted 65% at this level.

Notes from the room

14.♘︎xc6 bxc6 while solvingx [14…♕︎xd1 15.♘︎e7+ ♔︎h8 16.♖︎xd1 ♘︎xd1 17.♘︎xf5 ♘︎c3 18.♗︎b2 ♘︎e2+ (18…♘︎b5 19.♗︎xg7+ +−) 19.♔︎f1 +−; 14…♕︎c7 15.♕︎f3 +−] 15.♕︎f3 ♕︎d3 16.♕︎xc6 =
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