[Event "Match \"] [Site "masterchessopen.com Dusseldorf (Germany)"] [Round "1"] [White "Euwe Max (NED)"] [Black "Unzicker Wolfgang (GER)"] [Result "1-0"] [BlackElo "2433"] [ECO "E38"] [Opening "Nimzo-Indian: Classical, 4...c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 Nc6 8.e3 d5 9.b4 Bd6 10.Bb2 a5 11.b5 Ne5 12.cxd5 exd5 13.Be2 Be6 14.Nxe5 Bxe5 15.f4 Bd6 16.O-O Bc5 17.Qd3 Bg4 18.Na4 Bxe3+ 19.Qxe3 Re8 20.Be5 {#r} 1-0