[Event "It (open) (juniors)"] [Site "masterchessopen.com Hengelo (Netherlands)"] [Round "5"] [White "Kalisvaart Peter (NED)"] [Black "Brummelaar Les Unr"] [Result "1-0"] [WhiteElo "2103"] [ECO "A53"] [Opening "Old Indian: 3.Nc3"] 1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.Nf3 Bg7 5.g3 O-O 6.Bg2 Nbd7 7.O-O c6 8.e4 e5 9.h3 Re8 10.Be3 a6 11.a4 Rb8 12.d5 cxd5 13.cxd5 Nc5 14.Nd2 b5 15.axb5 axb5 16.b4 Na4 17.Nxa4 bxa4 18.Qxa4 Bd7 19.Qb3 Qc8 20.Kh2 Qb7 21.Rfb1 Rec8 22.Ra7 Qb5 23.Bf1 {#r} 1-0