| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. M Notkin vs A Riazantsev |
| ½-½ | 60 |
1999 |
Ch Moscow, Moscow (Russia) | D43 Queen's Gambit Declined Semi-Slav |
| 27. Csom vs A Riazantsev |
| 1-0 | 39 |
1999 |
Budapest First Saturday GM04, HUN | A10 English |
| 28. A Riazantsev vs A Y Kharitonov |
| ½-½ | 27 |
1999 |
Geller Memorial (Cup Russia) | D37 Queen's Gambit Declined |
| 29. Hoang Thang Trang vs A Riazantsev |
| ½-½ | 47 |
1999 |
Budapest First Saturday GM04, HUN | A84 Dutch |
| 30. A Mitenkov vs A Riazantsev |
| ½-½ | 46 |
1999 |
Ch Moscow, Moscow (Russia) | D43 Queen's Gambit Declined Semi-Slav |
| 31. A Riazantsev vs Bu Xiangzhi |
| ½-½ | 33 |
1999 |
Budapest First Saturday GM04, HUN | A70 Benoni, Classical with 7.Nf3 |
| 32. A Riazantsev vs M Turov |
| ½-½ | 31 |
1999 |
RUS-ch KO | D85 Grunfeld |
| 33. A Korotylev vs A Riazantsev |
| ½-½ | 19 |
1999 |
Ch Moscow, Moscow (Russia) | D45 Queen's Gambit Declined Semi-Slav |
| 34. A Riazantsev vs D Hausrath |
| ½-½ | 35 |
1999 |
Budapest First Saturday GM04, HUN | E81 King's Indian, Samisch |
| 35. A Riazantsev vs S Beshukov |
| ½-½ | 31 |
1999 |
Geller Memorial | D31 Queen's Gambit Declined |
| 36. A Riazantsev vs O Salmensuu |
| 0-1 | 29 |
1999 |
Budapest First Saturday GM04, HUN | A57 Benko Gambit |
| 37. N Saleh vs A Riazantsev |
| ½-½ | 15 |
2000 |
Dubai Open | D44 Queen's Gambit Declined Semi-Slav |
| 38. Balashov vs A Riazantsev |
| ½-½ | 23 |
2000 |
Chigorin Memorial | D30 Queen's Gambit Declined |
| 39. A Riazantsev vs M Al Sayed |
| 1-0 | 40 |
2000 |
Dubai Open | E83 King's Indian, Samisch |
| 40. A Riazantsev vs Mamedyarov |
 | 0-1 | 66 |
2000 |
Dubai Open | B50 Sicilian |
| 41. Radjabov vs A Riazantsev |
| ½-½ | 42 |
2000 |
Biel MTO op | D45 Queen's Gambit Declined Semi-Slav |
| 42. A Riazantsev vs Y Kruppa |
| ½-½ | 19 |
2000 |
Chigorin mem op | D21 Queen's Gambit Accepted |
| 43. Akopian vs A Riazantsev |
| 1-0 | 47 |
2000 |
Dubai Open | D47 Queen's Gambit Declined Semi-Slav |
| 44. A Riazantsev vs Mamedyarov |
| ½-½ | 41 |
2000 |
Dubai Open | E82 King's Indian, Samisch, double Fianchetto Variation |
| 45. A Riazantsev vs Millar |
| ½-½ | 48 |
2000 |
Dubai Open | E15 Queen's Indian |
| 46. Dolmatov vs A Riazantsev |
| 1-0 | 80 |
2000 |
Chigorin Memorial | C10 French |
| 47. E Vladimirov vs A Riazantsev |
| 1-0 | 43 |
2000 |
Dubai Open | D47 Queen's Gambit Declined Semi-Slav |
| 48. Hassan Rajaa vs A Riazantsev |
| 0-1 | 40 |
2000 |
Dubai Open | C01 French, Exchange |
| 49. A Riazantsev vs T Catalan |
| 0-1 | 30 |
2000 |
Dubai Open | D33 Queen's Gambit Declined, Tarrasch |
| 50. K Aseev vs A Riazantsev |
| ½-½ | 18 |
2000 |
Chigorin Memorial | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
