[Event "31st North American Open"]
[Site "Las Vegas USA"]
[Date "2021.12.29"]
[Round "7"]
[White "Andersen, Gunnar"]
[Black "Ivanov, Mike"]
[Result "1-0"]
[BlackTitle "FM"]
[WhiteElo "2213"]
[BlackElo "2360"]
[ECO "A45"]
[Opening "Queen's Pawn Game: Chigorin Variation"]
[PlyCount "67"]

1.d4 Nf6 2.Nc3 d5 3.Bf4 a6 4.e3 b5 5.Qf3 e6 6.O-O-O Bb7 7.Bd3 Nbd7 8.g4 b4 9.Nce2 c5 10.Ng3 Rc8 11.g5 Ng8 12.Kb1 c4 13.Bf1 Qb6 14.Rc1 c3 15.b3 a5 16.h4 Ra8 17.h5 f5 18.Bd3 Ba6 19.Bxa6 Rxa6 20.Qe2 Ne7 21.f3 Nc6 22.Rd1 Be7 23.e4 fxe4 24.fxe4 O-O 25.Nh3 Rfa8 26.exd5 a4 27.Qxe6+ Kh8 28.h6 Bf8 29.Nf2 Nxd4 30.hxg7+ Kxg7 31.Qxd7+ Be7 32.Qxe7+ Kg8 33.Qxh7+ Kf8 34.Qh8+ 1-0