In_Association_with_Amazon

ECO CODES

D63 QGD: Orthodox defence, Swiss, Karlsbad variation
1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3 g8f6 4. c1g5 f8e7 5. e2e3 0-0
6. g1f3 b8d7 7. a1c1 a7a6 8. c4d5
















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