A40
Zaire Defense
1. d4 Nc6 2. d5 Nb8 3. e4 Nf6 4. e5 Ng8
The Zaire Defense is a chess opening classified under ECO code A40. It is reached after the moves 1. d4 Nc6 2. d5 Nb8 3. e4 Nf6 4. e5 Ng8.
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