[Event "Portisch - Larsen Candidates Quarterfinal"]
[Site "Rotterdam NED"]
[Date "1977.03.23"]
[EventDate "1977.02.26"]
[Round "9"]
[Result "1/2-1/2"]
[White "Bent Larsen"]
[Black "Lajos Portisch"]
[ECO "C69"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "125"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.c3
Bd6 8.dxe5 fxe5 9.Qb3 Bxf3 10.gxf3 b6 11.Qc4 Ne7 12.Be3 b5
13.Qe6 Qd7 14.Qg4 Ng6 15.Nd2 Qe7 16.Kh1 O-O 17.Rg1 Nf4 18.a4
Rf6 19.Qh4 Raf8 20.axb5 axb5 21.Bxf4 Rxf4 22.Qxe7 Bxe7 23.Ra7
Rd8 24.Nb3 Rxf3 25.Rxc7 Bf8 26.Kg2 Rf6 27.Rf1 Rd3 28.Na5 Rdd6
29.b3 h6 30.c4 bxc4 31.Nxc4 Rde6 32.Ne3 Rf4 33.f3 Rg6+ 34.Kf2
Bc5 35.Ke2 Rh4 36.Ng4 Bd4 37.Rc8+ Kh7 38.Rh1 h5 39.Ne3 c5
40.Rf8 Rh3 41.Rf7 Kg8 42.Rc7 Rf6 43.Nf5 g6 44.Rc6 Rxc6 45.Ne7+
Kf7 46.Nxc6 g5 47.b4 cxb4 48.Nxb4 Kf6 49.Nd5+ Ke6 50.Nc7+ Kf7
51.Nb5 Bc5 52.Nc7 Kf6 53.Nd5+ Kg6 54.Rc1 Rxh2+ 55.Kd3 Bd4
56.Rc6+ Kf7 57.Rf6+ Ke8 58.Rf5 g4 59.fxg4 h4 60.Rh5 Kf7
61.Rf5+ Ke8 62.Rh5 Kf7 63.Rf5+ 1/2-1/2