[Event "Zupanja Celebrates GM2"]
[Site "Zupanja CRO"]
[Date "2025.06.12"]
[Round "3.5"]
[White "Delchev, A"]
[Black "Koellner, Ruben Gideon"]
[Result "1/2-1/2"]
[WhiteElo "2444"]
[BlackElo "2503"]
[ECO "C41"]
[PlyCount "74"]

1.e4 d6 2.d4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.g3 Be7 6.Bg2 c6 7.O-O b5 8.Nh4 O-O 9.Nf5 b4 10.Nb1 a5 11.a3 Ba6 12.Re1 Re8 13.g4 Nf8 14.dxe5 dxe5 15.Qxd8 Bxd8 16.g5 Nh5 17.axb4 axb4 18.Bf3 Nf4 19.Bxf4 exf4 20.Nd6 Re5 21.Nd2 Bc7 22.Nf5 g6 23.Nh6+ Kg7 24.h4 Ne6 25.Ng4 Rc5 26.Bd1 Nd4 27.Nb3 Nxb3 28.cxb3 Be5 29.Nxe5 Rxe5 30.Bg4 c5 31.f3 Bb7 32.Rxa8 Bxa8 33.Rd1 h6 34.gxh6+ Kxh6 35.Rd6 Kg7 36.Ra6 Bb7 37.Rb6 Re7 1/2-1/2