In_Association_with_Amazon

ECO CODES

D33 QGD: Tarrasch, Schlechter-Rubinstein system
1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3 c7c5 4. c4d5 e6d5 5. g1f3 b8c6
6. g2g3
















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