[Event "Palma de Mallorca"]
[Site "Palma de Mallorca"]
[Date "1971.??.??"]
[Round "13"]
[White "Csom, Istvan"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D27"]

1.Nf3 d5 2.d4 Nf6 3.c4 dxc4 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.dxc5 Bxc5 8.Qxd8+ Kxd8
9.a3 Ke7 10.b4 Bd6 11.Bb2 b5 12.Be2 Bb7 13.Nbd2 Nbd7 14.Rac1 1/2-1/2

[Event "Hastings6263"]
[Site "Hastings"]
[Date "1962.??.??"]
[Round "2"]
[White "Alexander, Conel Hughes"]
[Black "Kotov, Alexander"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B06"]

1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Be3 Qa5 5.Nf3 Nf6 6.Qd2 Ng4 7.Nd5 Qd8 8.Bf4 d6
9.dxc5 Bxb2 10.cxd6 exd6 11.Rd1 O-O 12.c3 Ba3 13.h3 Nf6 14.Bg5 Nxe4 15.Bxd8 Nxd2
16.Rxd2 Rxd8 17.Nc7 Bd7 18.Nxa8 Rc8 19.Nd4 Bc6 20.Nb5 Bxb5 21.Bxb5 Nc6 22.Bxc6 bxc6
23.Ke2 Rxa8 24.Rb1 Re8+ 25.Kd3 Re6 26.Re2 Rf6 27.Rb7 Bc5 28.f3 d5 29.Rc7 Kg7
30.Rc8 Kh6 31.c4 dxc4+ 32.Kxc4 Bb6 33.Re4 Rd6 34.Rce8 Rd2 35.Re2 Rd4+ 36.Kc3 Rd5
37.R8e4 Kg7 38.f4 h5 39.g4 hxg4 40.hxg4 Rd1 41.Rc4 Rf1 42.g5 Rf3+ 43.Kc2 Ra3
44.Kb2 Rf3 45.Kc2 Ra3 1/2-1/2

[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.??.??"]
[Round "15"]
[White "Smyslov, Vassily"]
[Black "Uhlmann, Wolfgang"]
[Result "1/2-1/2"]
[WhiteElo "2620"]
[BlackElo "2570"]
[ECO "C08"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Bb5+ Bd7 6.Bxd7+ Nxd7 7.Ne2 Ngf6 8.O-O Bd6
9.dxc5 Nxc5 10.Nf3 O-O 11.Bf4 Re8 12.Bxd6 Qxd6 13.c3 1/2-1/2