Réti / 1.Nf3
1.Nf3 · you play white
6 chapters, 8 moves deep. That is all of it at your level.
Course progress
0 of 1112 decisions
0 still learning · 1112 not asked yet
Drill this opening
Any chapter or study, asked cold — whether or not you owe it. Nothing here is unlocked by anything else.
At your level
Level
Improving
Depth
16 plies of this opening
Chapters
6
Decisions
1112 of 1687
0/1112
How this goes wrong at your level
Counted from 4,500,000 games by players in your band. These are moves that get played often and then lose — no engine was asked for an opinion.
What your opponents fall for
1.Nf3 d5 2.e3 Nc6 3.b3 e5 4.Bb2 Bd6 5.Bb5
e4 — played 10% of the time here.
They score 24% after it, against 49% for everything else played from this position, over 97 games.
They should play:
Qe7
54%
Nf6
53%
f6
53%
1.Nf3 d5 2.b4 e6 3.Bb2
Bxb4 — played 13% of the time here.
They score 17% after it, against 47% for everything else played from this position, over 52 games.
They should play:
Nf6
53%
Found by testing 94,688 decisions in your band’s games and keeping only those where the drop in score is more than four standard errors below the alternatives. About 3.17 of these would be expected by chance alone.
Your moves are chosen by the engine and checked against 3,439,091 games (Lichess Elite (2500+ vs 2300+), 2024-12 → 2025-11); their replies are what people actually play. Evaluations from Lichess Stockfish evaluations (database.lichess.org) (CC0 1.0 Universal), covering 87% of this course.