[Event "It (open) (b)"] [Site "masterchessopen.com Dortmund (Germany)"] [Round "7"] [White "Constantakis Georg"] [Black "Hahn Christian"] [Result "1-0"] [ECO "A49"] [Opening "Neo-King's Indian: Fianchetto System"] 1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.c4 d6 6.O-O c5 7.Nc3 cxd4 8.Nxd4 Nbd7 9.e4 Ne5 10.b3 b6 11.f4 Bg4 12.Qc2 Nfd7 13.fxe5 Nxe5 14.h3 Bc8 15.Bf4 Nd7 16.e5 Rb8 17.Nc6 Qc7 18.Nxe7+ Kh8 19.e6 Qc5+ 20.Kh2 b5 21.Ne4 Qb4 22.Bd2 {#r} 1-0