[Event "Swiss - KO 2/26"]
[Site "ICCF"]
[Date "2023.09.01"]
[Round "-"]
[White "Jefferson, N. W."]
[Black "Oppermann, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2319"]
[BlackElo "2222"]

1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.Nc3 Bb4 5.Qa4+ Nc6 
6.Qc2 dxc4 7.e3 b5 8.a4 Na5 9.axb5 a6 10.bxa6 O-O 
11.Be2 Bxa6 12.O-O Bb7 13.Ra4 Qe7 14.Bd2 Rfb8 15.Ne5 c5 
16.h3 Nb3 17.Rxa8 Bxa8 18.Nxc4 Nxd2 19.Qxd2 Rd8 20.Ra1 Qc7 
21.Qc2 cxd4 22.exd4 Bf8 23.Qa4 h6 24.Ne5 Qb7 25.Bf1 Qxb2 
26.Qa7 Qb7 27.Qxb7 Bxb7 28.Ra7 Ne4 29.Rxb7 Nxc3 30.Rxf7 Rxd4 
31.Rc7 Ne4 32.Bd3 Bd6 33.Rc8+ Kh7 34.Bxe4+ Rxe4 35.Nf3 Kg6 
36.g3 1/2-1/2
