ECO family guide
Alekhine Defense — all variations and ECO codes
56 named lines across 4 ECO codes (B02–B05). Source: the CC0-licensed lichess.org opening database.
The main line
How the main line scores at your rating
Real Lichess win rates for 1.e4 Nf6, playing as black — the family's other variations are not separately tracked for win rate yet, main line only.
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| Rating band | Games | White / draw / Black | Score for black |
|---|---|---|---|
| 1400-1600 | 6,267,535 | 50.2% / 3.7% / 46.1% | 48.0% |
| 1600-1800 | 7,812,840 | 47.1% / 3.9% / 48.9% | 50.9% |
| 1800-2000 | 9,642,846 | 45.7% / 4.6% / 49.7% | 52.0% |
| 2000+ | 10,459,816 | 46.2% / 6.0% / 47.8% | 50.8% |
All 56 named variations
Every named line in the Alekhine Defense family, from the CC0-licensed ECO classification — not separately tracked for win rate, but every ECO code and move sequence is real, sourced data.
- B02Alekhine Defense (main line) — 1.e4 Nf6
- B03Alekhine Defense (main line) — 1.e4 Nf6 2.e5 Nd5 3.d4
- B03Alekhine Defense (main line) — 1.e4 Nf6 2.e5 Nd5 3.d4 d6
- B03Alekhine Defense (main line) — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4
- B02Brooklyn Variation — 1.e4 Nf6 2.e5 Ng8
- B02Everglades Variation — 1.e4 Nf6 2.e5 Ng8 3.d4 f5
- B02Buckley Attack — 1.e4 Nf6 2.e5 Nd5 3.Na3
- B03Hunt Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.c5
- B02Lasker Simul Gambit — 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3
- B02Matsukevich Gambit — 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Nc3 Nxc3 6.dxc3 d6 7.Bg5
- B02Mikenas Gambit — 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3 d6 7.Nxd5 exd5 8.Bxd5
- B02Kmoch Variation — 1.e4 Nf6 2.e5 Nd5 3.Bc4 Nb6 4.Bb3 c5 5.d3
- B02Krejcik Variation — 1.e4 Nf6 2.Bc4
- B02Krejcik Gambit — 1.e4 Nf6 2.Bc4 Nxe4 3.Bxf7+
- B02Maróczy Variation — 1.e4 Nf6 2.d3
- B02Mokele Mbembe — 1.e4 Nf6 2.e5 Ne4
- B02Modern Line — 1.e4 Nf6 2.e5 Ne4 3.d4 f6
- B02Vavra Defense — 1.e4 Nf6 2.e5 Ne4 3.d4 e6
- B02Normal Variation — 1.e4 Nf6 2.e5 Nd5
- B02Scandinavian Variation — 1.e4 Nf6 2.Nc3 d5
- B02Geschev Gambit — 1.e4 Nf6 2.Nc3 d5 3.exd5 c6
- B02Myers Gambit — 1.e4 Nf6 2.Nc3 d5 3.d3 dxe4 4.Bg5
- B02Spielmann Gambit — 1.e4 Nf6 2.Nc3 d5 3.e5 Nfd7 4.e6
- B02Steiner Variation — 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.b3
- B02Sämisch Attack — 1.e4 Nf6 2.e5 Nd5 3.Nc3
- B02The Squirrel — 1.e4 Nf6 2.e5 Nd5 3.c4 Nf4
- B02Two Pawns Attack — 1.e4 Nf6 2.e5 Nd5 3.c4
- B02Lasker Variation — 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5
- B02Mikenas Variation — 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3 d6
- B02Tate Variation — 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.a4
- B02Welling Variation — 1.e4 Nf6 2.e5 Nd5 3.b3
- B03Balogh Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Bc4
- B03Exchange Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6
- B03Karpov Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 cxd6 6.Nc3 g6 7.h3 Bg7 8.Nf3 O-O 9.Be2 Nc6 10.O-O Bf5 11.Bf4
- B03Voronezh Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 cxd6 6.Nc3 g6 7.Be3 Bg7 8.Rc1 O-O 9.b3
- B03Four Pawns Attack — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4
- B03Cambridge Gambit — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 g5
- B03Fianchetto Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 g6
- B03Ilyin-Zhenevsky Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Nf3 Bg4 8.e6 fxe6 9.c5
- B03Korchnoi Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Bf5 7.Nc3 e6 8.Nf3 Be7 9.Be2 O-O 10.O-O f6
- B03Main Line — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3
- B03Tartakower Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nc3 e6 9.Nf3 Qd7 10.Be2 O-O-O 11.O-O Be7
- B03Trifunovic Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 Bf5
- B04Modern Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3
- B03Alekhine Gambit — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.Nf3 Bg4 6.Be2
- B04Alburt Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6
- B04Keres Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.a4
- B04Larsen Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 dxe5
- B04Larsen-Haakert Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Nc6
- B04Schmid Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Nb6
- B05Alekhine Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.c4
- B05Flohr Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 c6
- B05Main Line — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4
- B05Panov Variation — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.h3
- B05Vitolins Attack — 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.c4 Nb6 6.d5
- B03O'Sullivan Gambit — 1.e4 Nf6 2.e5 Nd5 3.d4 b5
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