Partie
? 1978 – Round 6 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris V. – G3
1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 e6 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Be7 8. d4 O-O 9. Nxd5 exd5 10. dxc5 Bxc5
Bugojno 1978 – Round 6 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G38
1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 e6 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Be7 8. d4 O-O 9. Nxd5 exd5 10. dxc5 Bxc5
Interpolis 1984 – Round 1 – Huebner, Robert – 1/2-1/2 – Tukmakov, Vladimir B – G7
1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 d5 5. cxd5 Nxd5 6. Bg2 Nc6 7. O-O Be7 8. Nxd5 exd5 9. d4 O-O 10. dxc5 Bxc5
Mar del Plata 1982 – Round 1 – Panno, Oscar – 1/2-1/2 – Karpov, Aleksandr – G3
1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 Nc6 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Be7 8. d4 O-O 9. Nxd5 exd5 10. dxc5 Bxc5