Caissa Codex
A45

Trompowsky Attack: Edge Variation, Hergert Gambit 6…d5 7. e4

Chess diagram: Trompowsky Attack: Edge Variation, Hergert Gambit after 7. e4

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Statistics from Lichess

7 games: White 42.9% / Draw 0.0% / Black 57.1%

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Next moveGamesWhite / Draw / BlackW / D / B
66
11

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

Engine evaluation

+0.17 The position is about equal

Best play: 7... dxe4 8. f3 Bf5 9. Bc4 Nd7 10. fxe4 Bxe4 11. Nh3 Bd5 12. b4

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 c6 4. Nd2 Qa5 5. c3 Nxd2 6. Qxd2 d5 7. e4 (7 moves).

In 7 rated Lichess games between players rated 1600 to 2500, White won 42.9%, Black 57.1% and 0.0% were drawn. Black's most played move here is 7…dxe4, in 86% of those games. That is too few games for the percentages to mean much.

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Other lines from the same position

Instead of 3…c6 4. Nd2 Qa5 5. c3 Nxd2 6. Qxd2 d5 7. 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-2

https://chesscodex.org/openings/trompowsky-attack-edge-variation-hergert-gambit-2