[Event "Koelle "]
[Site "Mechanics Institute"]
[Date "2022-10-20"]
[White "Patrick Cook"]
[Black "Scott Stewart"]
[WhiteElo "1567"]
[BlackElo "1802"]
[Result "0-1"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 Na6 7.Qd2 e5 8.dxe5 dxe5 9.O-O-O Qxd2+ 10.Rxd2 Nc5 11.f3 c6 12.Be3 Ne6 13.Nh3 Nh5 14.g4 Nd4 15.Rhd1 Rd8 16.Bf1 Nf6 17.Bxd4 exd4 18.Rxd4 Rxd4 19.Rxd4 Be6 20.Nf4 c5 {Nf4 was a losing move but I never found the right continuation, c5 and the game continued close to equal. I considered 20....Nxg4 in the game but miscalculated as 21. Nxe6 fxe6 22. Rd1 Nxh2 and White is down a pawn. (SAS)} (20...Nxg4 21.Nxe6 fxe6 22.Rd1 Nxh2) 21.Rd1 Bh6 22.Ne2 Bxc4 23.Kc2?? {Kc2 donates the a-pawn unnecessarily. (SAS)} Bxa2 24.Nc3 {Nc3 donates the h pawn unecessairily. (SAS)} Bxf4 25.Nxa2 Bxh2 26.Nc3 h6 27.Nd5 Ne8 28.Bc4 Be5 29.f4 Bd4 30.b4 b6 31.Ne7+ Kg7 32.Nc6 Nd6 33.Bd5 Rc8 34.Nxd4 cxd4+ 35.Kd3 Nb5 36.Bc4 Nc3?? {36....Nc3 surrenders most of Black's advantage, after Re1 Black is only slightly better. Best move here is 36....Na4 (SAS)} 37.Ra1 Nxe4 38.Ba6 Nf2+ 39.Kxd4 Rd8+ 40.Kc4 Nxg4 41.Bb5 Ne3+ 42.Kb3 Rd4 43.Rxa7 Rxf4 44.Rb7 Nd5 45.Bc4 Ne3 46.Bd3 Rf6 47.b5 h5 48.Be4 h4 49.Bc6 h3 50.Kc3 h2 51.Be4 Nf1 52.Ra7 Ng3 53.Bb7 h1=Q 54.Bxh1 Nxh1 {#R}