English Opening
1.c4 · you play white
6 chapters, 8 moves deep, get you to 92% of what you will actually meet. The other 2 cover the last 4%.
Course progress
0 of 1027 decisions
0 still learning · 1027 not asked yet
2 more chapters are below the depth for your level, together 4% of what you meet.
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
1027 of 1470
0/1027
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.c4 d5 2.g4 Bxg4 3.Bg2 c6 4.cxd5 cxd5 5.Nc3
e6 — played 59% of the time here.
They score 28% after it, against 61% for everything else played from this position, over 88 games.
They should play:
Nf6
63%
1.c4 e5 2.Nc3 Nf6 3.g3 Bc5 4.Bg2 O-O 5.e3 Nc6 6.Nge2 d6 7.O-O
Be6 — played 24% of the time here.
They score 19% after it, against 54% for everything else played from this position, over 40 games.
They should play:
Bg4
62%
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.