A45
Trompowsky Attack: Classical Defense, Big Center Variation
1. d4 Nf6 2. Bg5 e6 3. e4
The Trompowsky Attack: Classical Defense, Big Center Variation is a chess opening classified under ECO code A45. It is reached after the moves 1. d4 Nf6 2. Bg5 e6 3. e4.
It belongs to the Trompowsky Attack family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
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