33. Bulgarian Open

Zsivko Bratanov (2467)

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2011.02.04
1/2 : 1/2

Petar Drenchev (2521)

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1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e3 d5 5.Nbd2 Nc6 6.c3 Qb6 7.Qb3