A40
Kangaroo Defense: Keres Defense, Transpositional Variation
1. d4 e6 2. c4 Bb4+ 3. Nc3
The Kangaroo Defense: Keres Defense, Transpositional Variation is a chess opening classified under ECO code A40. It is reached after the moves 1. d4 e6 2. c4 Bb4+ 3. Nc3.
It belongs to the Kangaroo Defense 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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