[Event "Tournament (open)"] [Site "masterchessopen.com Warsaw (Poland)"] [Round "1"] [White "Czorniej Antonina"] [Black "Szewczyk Mariusz (POL)"] [Result "0-1"] [WhiteElo "1288"] [BlackElo "1848"] [ECO "E70"] [Opening "King's Indian: 4.e4 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.f3 d6 6.Be3 c6 7.Qd2 e5 8.Nge2 exd4 9.Nxd4 d5 10.exd5 cxd5 11.O-O-O dxc4 12.Bxc4 Qc7 13.Bb3 a6 14.Kb1 Nc6 15.Nxc6 Qxc6 16.Ka1 b5 17.Bd5 Nxd5 18.Qxd5 Qxd5 19.Nxd5 Be6 20.Nc7 Rac8 21.Nxa6 Ra8 22.Nb4 Ra4 23.a3 Rxa3+ {#R} 0-1