[Event "Eastern Ontario op"]
[Site "Ottawa CAN"]
[Date "2019.06.16"]
[Round "5.3"]
[White "Yao, Houji"]
[Black "Demchenko, Svitlana"]
[Result "0-1"]
[WhiteElo "2231"]
[BlackElo "2318"]
[PlyCount "80"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nf3 Nb4 9.Na3 e6 10.Be2 Be7 11.O-O O-O 12.Qd2 c5 13.Rad1 Rc8 14.Nb5 Nc2 15.Bf2 Nxd4 16.Nfxd4 cxd4 17.b3 a6 18.Nxd4 Bg6 19.Bf3 Qc7 20.Qe2 Nd7 21.Bg3 Bc5 22.Kh1 Rfd8 23.Rfe1 Bb4 24.Rf1 Nf8 25.h4 h6 26.h5 Bh7 27.Bh4 Be7 28.Be1 Rd7 29.Bc3 Qd8 30.Rd2 Bg5 31.Rdd1 Bf4 32.Bg4 Qh4+ 33.Bh3 Rcd8 34.Qe1 Qg5 35.Ba5 Rxd4 36.Bxd8 Qxd8 37.Rxd4 Qxd4 38.Qb4 Qe3 39.Qe7 Qg3 40.Kg1 Be4 0-1