[Event "31st North American Open"]
[Site "Las Vegas USA"]
[Date "2021.12.27"]
[Round "4.1"]
[White "Zhou Jianchao"]
[Black "Schmakel, Sam"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2617"]
[BlackElo "2425"]
[ECO "A06"]
[Opening "Zukertort Opening"]
[PlyCount "67"]

1.Nf3 d5 2.e3 c5 3.c4 d4 4.exd4 cxd4 5.d3 Nc6 6.g3 Nf6 7.Bg2 e6 8.O-O Bd6 9.Na3 O-O 10.Nc2 e5 11.Bg5 h6 12.Bxf6 Qxf6 13.Nd2 Qd8 14.a3 a5 15.Rb1 a4 16.b4 axb3 17.Rxb3 Ra7 18.Qb1 Qe7 19.Nb4 Nxb4 20.axb4 b6 21.c5 bxc5 22.b5 Be6 23.Nc4 f5 24.b6 Ra6 25.Nxd6 Qxd6 26.Rb5 Rb8 27.b7 Bd5 28.Bxd5+ Qxd5 29.Qc2 Rxb7 30.Rxc5 Qb3 31.Qxb3+ Rxb3 32.Rxe5 f4 33.Re4 fxg3 34.Rxd4 1/2-1/2