Library/Openings/Benoni Defense/Old Benoni ECO A43

Opening· 2 plies

Benoni Defense: Old Benoni

An entry in the Encyclopedia of Chess Openings (ECO A43), reached after 2 half-moves: 1. d4 c5.

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2.d5 2 lines
- A43 Mujannah Formation
- A43 Schmid Variation