4. Open A

Vladimir Umansky (2333)

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2008.02.06
1/2 : 1/2

Nikolay Konovalov (2453)

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1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nf3 b4 5.Nbd2 d6 6.e4 g6 7.Bd3 Bg7 8.O-O O-O 9.Re1 e5 10.Nf1