Mikhail Botvinnik vs Donner, Jan Hein

Donner, Jan Hein
Black
Mikhail Botvinnik
White
Moves Legends
1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.68.69.70.71.72.73.74. ½-½
Raw PGN
[Event "Varna olm"]
[Site "Varna"]
[Date "1962.??.??"]
[Round "?"]
[White "Botvinnik, Mikhail"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1.g3 g6 2.Bg2 Bg7 3.c4 Nf6 4.Nc3 d6 5.e3 O-O 6.Nge2 e5 7.b3 Re8 8.O-O c6 9.e4
Be6 10.d4 Qd7 11.d5 cxd5 12.cxd5 Bh3 13.f3 Bxg2 14.Kxg2 Na6 15.Be3 Rec8 16.Rc1
Ne8 17.Qd2 Nc5 18.Rc2 Qd8 19.Rfc1 a6 20.Nd1 Nd7 21.Nb2 Rxc2 22.Qxc2 Bf6 23.h4
Be7 24.a4 h5 25.Ng1 Qb8 26.b4 Bd8 27.Qf2 Bf6 28.Nh3 Qd8 29.Qc2 Be7 30.a5 Bf6
31.Na4 Kg7 32.Qc4 Kh7 33.Rc2 Kg7 34.Ng5 Be7 35.Nh3 Kh7 36.Kf1 Kg7 37.Ke2 Kh7
38.Kd1 Kg7 39.Kc1 Kh7 40.Kb2 Kg8 41.Kb3 Kh7 42.Qc3 Kg8 43.Ka3 Bf8 44.Qc4 Be7
45.Ka2 Kg7 46.Nf2 Kh7 47.Bb6 Nxb6 48.Nxb6 Rb8 49.Nd3 Bf8 50.b5 axb5 51.Qxb5 Nf6
52.Nb2 Kg8 53.Rc3 Be7 54.N2a4 Kg7 55.Kb3 Bf8 56.Kb4 Kg8 57.Kb3 Kg7 58.Qc4 Ne8
59.Rc2 Kg8 60.Qc3 Bh6 61.Kb4 Kh7 62.Nb2 Kg8 63.Kb3 Bf8 64.Nd3 Bh6 65.Nb4 Bf8
66.Nd3 Bh6 67.Nb2 Bf8 68.N2a4 Bh6 69.Ka2 Bf8 70.Ka3 Bg7 71.Nc8 Ra8 72.Nab6 Ra6
73.Kb4 Bh6 74.Qe1 1/2-1/2