Trompowsky Attack: Borg Variation

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 g5

Trompowsky Attack: Borg Variation after 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 g5 87654321abcdefgh

The Trompowsky Attack: Borg Variation is a chess opening classified as ECO A45, reached after 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 g5. It is a line of the Trompowsky Attack. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 286 times by this move order. White won 58%, 2% were drawn and Black won 40%. The most popular continuation is 4. Be5 (34% of games).

Engine evaluation: +0.45 (Stockfish, depth 50; best line 4. Bc1 h6 5. f3 Nf6 6. e4 d5)

ECO
A45
Moves
6 plies
FEN
rnbqkb1r/pppppp1p/8/6p1/3PnB2/8/PPP1PPPP/RN1QKBNR w KQkq - 0 4
PGN
1. d4 Nf6 2. Bg5 Ne4 3. Bf4 g5

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-14992454%46%
1500-199915861%37%
2000+10454%41%
All28658%40%

Most played moves

MoveGamesWhite / draw / Black
4. Be597 (34%)58%38%
4. Bc181 (28%)64%32%
4. Bg354 (19%)43%56%
4. Be329 (10%)69%31%
4. f312 (4%)58%42%
4. Qd36 (2%)50%50%
4. Bd25 (2%)80%20%
4. Nd21 (0%)100%

Master games

105 over-the-board games are classified under this line (White 58%, draw 8%, Black 34%). The strongest:

Search all games of the Trompowsky Attack: Borg Variation and its sub-variations

Highest-rated Lichess games

Comes from

Trompowsky Attack 1. d4 Nf6 2. Bg5

More Trompowsky Attack lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.