| Partie |
|---|
| Interpolis 1983 – Round 10 – Seirawan, Yasser – 1/2-1/2 – Portisch, Lajos – G48 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 Nbd7 7. Nc3 e6 8. Bg2 Be7 9. O-O O-O 10. Bg5 h6 |
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- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D20a - Queen’s Gambit Accepted (QGA), D23a - 3.Nf3 Nf6, D23q - 4.Qa4+ c6 5.Qxc4 Bf5 6.g3 e6 7.Bg2 Nbd7 8.O-O Be7 9.Nc3 O-O 10.Bg5 - Mannheim Main Line, SÉRIE D
Interpolis 1983 – Round 10 – Seirawan, Yasser – 1/2-1/2 – Portisch, Lajos – G48

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