ECO family guide

Trompowsky Attack — all variations and ECO codes

10 named lines across 1 ECO code (A45). Source: the CC0-licensed lichess.org opening database.

The main line

Position after 1.d4 Nf6 2.Bg5 (A45). Open this line on Lichess → · Trompowsky Attack on Lichess

How the main line scores at your rating

Real Lichess win rates for 1.d4 Nf6 2.Bg5, 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	1,270,210	48.2% / 3.8% / 48.0%	50.1%
1600-1800	1,797,165	48.1% / 4.1% / 47.8%	50.1%
1800-2000	2,140,289	48.8% / 4.8% / 46.4%	51.2%
2000+	3,768,555	49.9% / 6.6% / 43.5%	53.2%

All 10 named variations

Every named line in the Trompowsky Attack family, from the CC0-licensed ECO classification — not separately tracked for win rate, but every ECO code and move sequence is real, sourced data.

A45Trompowsky Attack (main line) — 1.d4 Nf6 2.Bg5
A45Borg Variation — 1.d4 Nf6 2.Bg5 Ne4 3.Bf4 g5
A45Classical Defense — 1.d4 Nf6 2.Bg5 e6
- A45Big Center Variation — 1.d4 Nf6 2.Bg5 e6 3.e4
A45Edge Variation — 1.d4 Nf6 2.Bg5 Ne4 3.Bh4
- A45Hergert Gambit — 1.d4 Nf6 2.Bg5 Ne4 3.Bh4 c6 4.Nd2 Qa5 5.c3 Nxd2 6.Qxd2 d5 7.e4
  A45Hergert Gambit — 1.d4 Nf6 2.Bg5 Ne4 3.Bh4 d5 4.f3 Nf6 5.Nc3 Bf5 6.e4
A45Poisoned Pawn Variation — 1.d4 Nf6 2.Bg5 c5 3.d5 Qb6 4.Nc3
A45Raptor Variation — 1.d4 Nf6 2.Bg5 Ne4 3.h4
- A45Hergert Gambit — 1.d4 Nf6 2.Bg5 Ne4 3.h4 Nxg5 4.hxg5 e5