[Event "Ch Poland (corr.)"] [Site "masterchessopen.com corr."] [Round "0"] [White "Konczyk A"] [Black "Grzelak J"] [Result "1-0"] [ECO "E70"] [Opening "King's Indian: 4.e4 d6"] 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 8.Qd2 exd4 9.Nxd4 d5 10.cxd5 cxd5 11.e5 Nfd7 12.f4 b6 13.Ndb5 Nc6 14.Qxd5 Ndxe5 15.fxe5 Qxd5 16.Nxd5 Bxe5 17.O-O-O Be6 18.Nbc3 Rfd8 19.Bb5 Rac8 20.Bxc6 {#r} 1-0