[Event "Netschach Match"] [Date "2021.12.22"] [White "Heide"] [Black "Altstaden"] [Result "0-1"] 1.e4 e5 2.Nf3 d6 3.Bc4 h6 4.O-O Nf6 5.d3 Be7 6.c3 a6 7.Qb3 O-O 8.Nh4 Kh8 9.Nf5 Qe8 10.Nxh6 gxh6 11.Bxh6 Kg8 12.Bxf8 Bxf8 13.h3 Be6 14.Qxb7 Qc6 15.Qxc6 Nxc6 16.Bxe6 fxe6 17.Nd2 Bh6 18.Nb3 Kf7 19.Re1 a5 20.a4 Rb8 21.Nc1 Rxb2 22.g4 Bd2 23.Re2 d5 24.c4 Nd4 25.c5 Nxe2 26.Nxe2 Bg5 27.Nc3 c6 28.exd5 exd5 29.Kg2 Rc2 30.Ra3 Bd2 31.Nb1 Bb4 32.Rb3 Rxc5 33.g5 Nh5 34.Kf3 Kg6 35.Kg4 Rc2 36.f3 Rg2 37.Kh4 Rg3 38.Rxb4 axb4 39.a5 Rxg5 40.a6 Rf5 41.a7 Rf8 42.a8=Q Rxa8 43.Nd2 Ra3 44.d4 exd4 45.f4 Nxf4 46.Kg4 Nh5 47.Nf3 Rxf3 48.Kxf3 b3 49.Ke2 b2 50.Kd3 b1=Q 51.Kxd4 Nf4 52.Kc5 Qc1 53.Kd6 Nxh3 54.Kd7 c5 55.Kd6 d4 56.Kd5 d3 57.Ke4 d2 58.Kf3 d1=Q 59.Kg3 Qc3 60.Kh4 Qd4# 0-1