[Event "Interzonal-16"]
[Site "Biel"]
[Date "1993.??.??"]
[Round "1"]
[White "Anand, Viswanathan"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2725"]
[BlackElo "2585"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nc6 7. Qd2 Nf6 8. f3 Ne5 9. O-O-O Bb4 10. Nb3 b5 11. Bd4 h6 12. Kb1 Nc4 13. Qf2 O-O 14. Qg3 Bd6 15. Qe1 Be5 16. Bxe5 Qxe5 17. Qg3 Qxg3 18. hxg3 Ne3 19. Rd6 Ne8 20. Rd3 Nc4 21. a4 Ne5 22. Rd2 b4 23. Na2 Nc6 24. Nd4 Nxd4 25. Rxd4 a5 26. Bb5 Nf6 27. Rhd1 Rd8 28. c3 bxc3 29. Nxc3 Ra7 30. e5 Ne8 31. Ne4 Kf8 32. Ka2 Ke7 33. Nd6 Nxd6 34. exd6+ Ke8 35. Rc4 Ba6 36. Rc7 Raa8 37. Rdc1 Bxb5 38. axb5 Rab8 39. R1c5 Rb6 40. Ka3 Rxd6 41. Ka4 Ke7 42. Rc8 Rd2 43. Rc2 Rxc2 44. Rxc2 d5 45. b6 d4 46. Kb5 d3 47. Rd2 e5 48. b7 f5 49. Rxd3 Rxd3 50. b4 Rd5+ 51. Kc6 Rd6+ 52. Kc5 Rd8 53. bxa5 e4 54. fxe4 fxe4 55. a6 e3 56. a7 e2 57. b8=Q 1/2-1/2