A45

Trompowsky Attack: Edge Variation

Chess diagram: Trompowsky Attack: Edge Variation after 3. Bh4

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

508,814 games: White 48.9% / Draw 4.6% / Black 46.5%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
194,265194K
152,975153K
99,795100K
32,75533K
9,5229,522
5,2415,241
3,2443,244
2,4082,408

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 28, 2026

Engine evaluation

−0.19 The position is about equal

Best play: 3... g5 4. f3 gxh4 5. fxe4 c5 6. e3 Bh6 7. Nc3 Bxe3 8. dxc5

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

By rating

Rating changes little here: White scores 54% under 1400, 53% at 2200 and up and 51% in master games (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 17K
1400–1799 135K
1800–2199 324K
2200 and up 89K
Masters, over the board 699

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

Trompowsky Attack: Edge Variation (ECO A45, Flank Openings) is a variation of the Trompowsky Attack, reached after 1. d4 Nf6 2. Bg5 Ne4 3. Bh4 (3 moves).

In 508,814 rated Lichess games between players rated 1600 to 2500, White won 48.9%, Black 46.5% and 4.6% were drawn. Black's most played move here is 3…g5, in 38% of those games.

It branches into 2 named variations; the most played are Trompowsky Attack: Edge Variation, Hergert Gambit and Trompowsky Attack: Edge Variation, Hergert Gambit.

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How to play against the Trompowsky Attack: Edge Variation

3…c5 scores best for Black: 52.2%, with Black winning 49.8% and White 45.4% of 100K games. The most played answer, 3…g5, scores lowest: 48.1% in 194K games. Stockfish's first choice is 3…g5.

Main answers: those played in at least 5% of these games. Score: Black's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Popularity by year

The Trompowsky Attack: Edge Variation has lost ground since 2016: 0.019% of Lichess games in 2025, down from 0.023% (its peak: 0.029% in 2018).

Numbers by year
YearShare of gamesGames
20160.023%8,078
20170.029%15,694
20180.029%22,539
20190.027%33,842
20200.021%61,267
20210.018%69,358
20220.018%67,198
20230.019%70,575
20240.018%66,192
20250.019%64,386
2026 (Jan–Apr)0.018%20,271

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Variations (2)

Cite this page

Caissa Codex. “Trompowsky Attack: Edge Variation (A45)”. Lichess data as of 28 Oct 2026. https://chesscodex.org/openings/trompowsky-attack-edge-variation