Chess opening · ECO A45
Trompowsky Attack
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1. d4 Nf6 2. Bg5
Trompowsky Attack is catalogued under ECO code A45. It is reached after 2 moves (3 half-moves): 1. d4 Nf6 2. Bg5. After the last move it is Black to play. White opens 1. d4. It is the defining line of the Trompowsky Attack family, which has 10 catalogued lines in total. 1 deeper line continue from here, listed below.