[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.??.??"]
[Round "6"]
[White "Hartoch, Robert G"]
[Black "Keres, Paul"]
[Result "1-0"]
[WhiteElo "2400"]
[BlackElo "2615"]
[ECO "A57"]

1.d4 Nf6 2.Nf3 c5 3.d5 b5 4.c4 Bb7 5.e3 g6 6.Nc3 b4 7.Ne2 Bg7 8.Ng3 e6 9.e4 exd5
10.exd5 O-O 11.Be2 d6 12.O-O Nbd7 13.Bf4 Nb6 14.Qd2 Re8 15.Bd3 Ba6 16.Rac1 Rc8
17.b3 Rc7 18.h3 Qe7 19.Rfe1 Qf8 20.Rxe8 Nxe8 21.Ne2 Bc8 22.Nh2 Nd7 23.Be3 a5
24.g4 a4 25.f4 Ra7 26.Nf3 Qe7 27.Kg2 axb3 28.axb3 Ra3 29.Bc2 Ra2 30.Bf2 Nb6
31.Re1 Qd8 32.Bh4 Qd7 33.Qd3 Nf6 34.Ng3 h5 35.f5 hxg4 36.hxg4 Nxg4 37.fxg6 f6
38.Kg1 Ne5 39.Nxe5 dxe5 40.Qf5 Qe8 41.Qh5 Bh3 42.Bxf6 Bxf6 43.Qxh3 Qe7 44.Bf5 Kf8
45.Rf1 Ke8 46.Ne4 Bg7 47.Qh7 Bf8 48.d6 Qg7 49.d7+ Kd8 50.Qxg7 Bxg7 51.Nxc5 Nxd7
52.Rd1 Ra7 53.Rxd7+ Rxd7 54.Nxd7 1-0

[Event "Karlsbad"]
[Site "Karlsbad"]
[Date "1929.??.??"]
[Round "?"]
[White "Capablanca, Jose Raul"]
[Black "Vidmar, Milan Sr"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D17"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Nbd7 7.Nxc4 Qc7 8.g3 e5
9.dxe5 Nxe5 10.Bf4 Nfd7 11.Bg2 f6 12.O-O Be6 13.Nxe5 fxe5 14.Be3 Bc5 15.Bxc5 Nxc5
16.b4 Nb3 17.Ra3 Rd8 18.Qc2 Nd4 19.Nb5 Nxc2 20.Nxc7+ Ke7 21.Nxe6 Nxa3 22.Nxd8 Rxd8 1/2-1/2

[Event "Sochi-A"]
[Site "Sochi"]
[Date "1989.??.??"]
[Round "?"]
[White "Geller, Efim P"]
[Black "Kotronias, Vasilios"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2475"]
[ECO "D55"]

1.Nf3 d5 2.c4 e6 3.d4 Nf6 4.Nc3 Be7 5.Bg5 h6 6.Bxf6 Bxf6 7.e3 O-O 8.Rc1 c6
9.Bd3 Nd7 10.O-O dxc4 11.Bxc4 e5 12.Ne4 exd4 13.Nxf6+ Nxf6 14.Qxd4 Qxd4 1/2-1/2