ECO family guide

Old Indian Defense — all variations and ECO codes

14 named lines across 4 ECO codes (A41–A55). Source: the CC0-licensed lichess.org opening database.

The main line

Position after 1.d4 d6 2.c4 (A41). Open this line on Lichess → · Old Indian Defense on Lichess

How the main line scores at your rating

Real Lichess win rates for 1.d4 d6 2.c4, playing as white — 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 band	Games	White / draw / Black	Score for white
1400-1600	2,136,695	51.1% / 3.9% / 45.1%	53.0%
1600-1800	2,937,679	49.8% / 4.2% / 46.0%	51.9%
1800-2000	3,298,594	48.2% / 4.8% / 47.0%	50.6%
2000+	3,183,480	47.3% / 6.1% / 46.6%	50.3%

All 14 named variations

Every named line in the Old Indian 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.

A41Old Indian Defense (main line) — 1.d4 d6 2.c4
A53Old Indian Defense (main line) — 1.d4 Nf6 2.c4 d6
A53Aged Gibbon Gambit — 1.d4 Nf6 2.c4 d6 3.g4
Czech Variation
- A53with Nc3 — 1.d4 Nf6 2.c4 d6 3.Nc3 c6
- A53with Nf3 — 1.d4 Nf6 2.c4 d6 3.Nf3 c6
A53Janowski Variation — 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5
- A53Fianchetto Variation — 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.g3
- A53Grinberg Gambit — 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.e4
- A53Main Line — 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.f3
A54Duz-Khotimirsky Variation — 1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.e3 Nbd7 5.Bd3
A54Tartakower-Indian — 1.d4 Nf6 2.c4 d6 3.Nf3 Bg4
A54Two Knights Variation — 1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3
A54Ukrainian Variation — 1.d4 Nf6 2.c4 d6 3.Nc3 e5
A55Normal Variation — 1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.e4 e5 5.Nf3