Kangaroo Defense (캥거루 방어)
한국어The Kangaroo Defense family holds 2 lines. The boards below follow its shortest line from the first move.
The Korean name in brackets is ours, not an official translation. The original name is English.
Main line
1. d4 e6 2. c4 Bb4+
One move per board, left to right. The two outlined squares are the move just played.
Play it yourself
Kangaroo Defense (A40)
1. d4 e6 2. c4 Bb4+
Tap a piece and then the square it goes to. When the move matches the data, the reply follows on its own.
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ECO codes here
Variations in this family
Ordered by ECO code. A blank label means the entry carries the family name alone.
A40Kangaroo Defense4 movesPlay this line
1. d4 e6 2. c4 Bb4+
A40Keres Defense, Transpositional Variation5 movesPlay this line
1. d4 e6 2. c4 Bb4+ 3. Nc3
Other families of similar size
Data collected on 2026-09-07. The original is published as a public domain data set.