[Event "It (open)"] [Site "Haarlem (Netherlands)"] [Round "1"] [White "Tiviakov Sergei (NED)"] [Black "Koelman Luuk"] [Result "1-0"] [WhiteElo "2599"] [ECO "C05"] [Opening "French: Tarrasch, Closed, 4.e5"] 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 Qb6 8.Nf3 cxd4 9.cxd4 f6 10.exf6 Nxf6 11.O-O Bd6 12.Nc3 O-O 13.Be3 Bd7 14.a3 Kh8 15.Rc1 Be8 16.Na4 Qa5 17.Nc5 e5 18.Nxb7 Qc7 19.Nxd6 Qxd6 20.dxe5 Nxe5 21.Bc5 {#r} 1-0