[Event "It (open)"] [Site "masterchessopen.com Vienna (Austria)"] [Round "0"] [White "Nievergelt Erwin"] [Black "Djurasevic Bozidar (YUG)"] [Result "0-1"] [ECO "E32"] [Opening "Nimzo-Indian: Classical Variation"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 c5 8.dxc5 Nc6 9.cxd5 exd5 10.Nf3 Bf5 11.b4 O-O 12.Bb2 b6 13.g4 Bg6 14.cxb6 Qxb6 15.e3 Nxb4 16.axb4 Qxb4+ 17.Kd1 Rac8 18.Qe2 Nc3+ 19.Bxc3 Qb3+ {#R} 0-1