Caissa Codex
A45

Trompowsky Attack: Edge Variation, Hergert Gambit

Chess diagram: Trompowsky Attack: Edge Variation, Hergert Gambit after 6. e4

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Statistics from Lichess

243 games: White 49.4% / Draw 4.5% / Black 46.1%

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Next moveGamesWhite / Draw / BlackW / D / B
238238
55

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 31, 2026

Engine evaluation

+0.14 The position is about equal

Best play: 6... dxe4 7. fxe4 Nxe4 8. Nf3 Nxc3 9. bxc3 Qd5 10. Rb1 Nd7 11. Be2

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Trompowsky Attack: Edge Variation, Hergert Gambit (ECO A45, Flank Openings) is a gambit in the Trompowsky Attack: Edge Variation, reached after 1. d4 Nf6 2. Bg5 Ne4 3. Bh4 d5 4. f3 Nf6 5. Nc3 Bf5 6. e4 (6 moves).

In 243 rated Lichess games between players rated 1600 to 2500, White won 49.4%, Black 46.1% and 4.5% were drawn. Black's most played move here is 6…dxe4, in 98% of those games.

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Other lines from the same position

Instead of 3…d5 4. f3 Nf6 5. Nc3 Bf5 6. e4, the position after Trompowsky Attack: Edge Variation also goes on to:

Cite this page

Caissa Codex. “Trompowsky Attack: Edge Variation, Hergert Gambit (A45)”. Lichess data as of 31 Oct 2026. https://chesscodex.org/openings/trompowsky-attack-edge-variation-hergert-gambit

https://chesscodex.org/openings/trompowsky-attack-edge-variation-hergert-gambit