[Event "It"] [Site "masterchessopen.com - Berlin (Germany)"] [Round "11"] [White "Nimzowitsch Aaron"] [Black "Helling Karl (GER)"] [Result "1-0"] [ECO "A15"] [Opening "English: Anglo-Indian"] 1.c4 Nf6 2.d4 e5 3.dxe5 Ng4 4.Nf3 Nc6 5.e3 Bc5 6.Be2 O-O 7.O-O Re8 8.Nc3 Ngxe5 9.b3 a5 10.Na4 Be7 11.Bb2 Bf6 12.c5 d5 13.cxd6 cxd6 14.Qd2 b5 15.Nxe5 Nxe5 16.Bxb5 Nf3+ 17.gxf3 Bh3 18.Kh1 Bxb2 19.Qxb2 Re5 20.Rg1 g6 21.Rg3 {#r} 1-0