[Event "38th Muensterland Open"]
[Site "Muenster GER"]
[Date "2021.10.11"]
[Round "5.2"]
[White "Koellner, Ruben Gideon"]
[Black "Kersten, U"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2432"]
[BlackElo "2244"]
[ECO "A46"]
[Opening "Indian Defense: Knights Variation"]
[PlyCount "79"]

1.d4 Nf6 2.Nf3 e6 3.c3 b6 4.Bg5 Bb7 5.Nbd2 Be7 6.e3 c5 7.Bd3 cxd4 8.exd4 d6 9.Bxf6 Bxf6 10.Qe2 a6 11.h4 Nd7 12.g4 h6 13.O-O-O Qe7 14.Rh2 g6 15.Rg1 Bg7 16.g5 h5 17.Ne1 b5 18.a3 O-O 19.Ng2 Bxg2 20.Rhxg2 d5 21.f4 Qd6 22.Rf2 Rfc8 23.Kd1 Nb6 24.Nf3 Na4 25.Qd2 Rc7 26.Ne5 Rac8 27.Ke1 Nxc3 28.bxc3 Rxc3 29.Kf1 Qxa3 30.Rg3 Qa1+ 31.Kg2 Rc1 32.Bf1 Rd1 33.Ra3 Qxa3 34.Qxd1 Rc1 35.Qd2 Qa1 36.Qd3 Rc3 37.Qd2 Rc1 38.Qd3 Rc3 39.Qe2 Rc1 40.Qd3 1/2-1/2