An entry in the Encyclopedia of Chess Openings (ECO D50), reached after 9 half-moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5.
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5
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