Mar del Plata

Gregorio Idigoras Guisasola ()

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1955
1/2 : 1/2

Ivkov ()

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1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Bb4 5.cxd5 exd5 6.Bg5 h6 7.Bxf6 Qxf6 8.Qa4+ Nc6 9.e3 O-O 10.Be2 Be6 11.O-O a6 12.Rfc1 Rfd8 13.Qb3 Bd6 14.Na4 Ne7 15.Nc5 Bf5 16.Qd1 Rab8 17.b4 Ng6 18.Rc3 Re8 19.Rac1 Re7 20.Rb3 c6 21.a4 Bg4