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

Position after 1.e4 Nf6 (B02). Open this line on Lichess → · Alekhine Defense on Lichess

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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Win/draw/loss rate by rating band
Rating bandGamesWhite / draw / BlackScore 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.

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ECO Volume B: Semi-Open Games (other than the French Defense) → · All ECO families → · Search and play every line in the interactive explorer →

Related

Caro-Kann Defense

110 named lines, ECO B10

King's Pawn Game

38 named lines, ECO B00

Modern Defense

39 named lines, ECO A04