[Event "Ch MSS"] [Site "masterchessopen.com – Czech Republic"] [Round "0"] [White "Petrzela Pavel (CZE)"] [Black "Stefek M"] [Result "1-0"] [WhiteElo "2026"] [ECO "E00"] [Opening "Catalan: 4.Nf3 Be7"] 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 Be7 5.Bg2 O-O 6.O-O Nbd7 7.Qc2 c5 8.Nbd2 cxd4 9.Nxd4 e5 10.Nf5 Nb6 11.Nxe7+ Qxe7 12.cxd5 Nbxd5 13.Ne4 Nb4 14.Nxf6+ Qxf6 15.Qc5 Na6 16.Qc3 Rb8 17.b4 Qe7 18.b5 Nc7 19.a4 Bf5 20.Ba3 {#r} 1-0