| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Sveshnikov vs S Ionov |
| ½-½ | 56 |
1991 |
URS-ch58 | B21 Sicilian, 2.f4 and 2.d4 |
| 27. S Ionov vs Dreev |
| ½-½ | 16 |
1991 |
Ch URS | D43 Queen's Gambit Declined Semi-Slav |
| 28. S Ionov vs Bologan |
 | 0-1 | 95 |
1991 |
URS-ch58 | E70 King's Indian |
| 29. S Ionov vs Vyzmanavin |
| ½-½ | 18 |
1992 |
Cheliabinsk (Russia) | E15 Queen's Indian |
| 30. S Ionov vs Karasev |
| ½-½ | 14 |
1992 |
RUS-ch | A04 Reti Opening |
| 31. S Ionov vs Savon |
| ½-½ | 21 |
1992 |
RUS-chT | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 32. Krasenkow vs S Ionov |
| ½-½ | 16 |
1993 |
Rostov | E11 Bogo-Indian Defense |
| 33. S Ionov vs Svidler |
| 1-0 | 37 |
1993 |
It swiss | D02 Queen's Pawn Game |
| 34. S Ionov vs Yusupov |
| ½-½ | 40 |
1993 |
Oviedo rapid | D56 Queen's Gambit Declined |
| 35. S Ionov vs Khalifman |
| ½-½ | 17 |
1993 |
It (open) | C48 Four Knights |
| 36. Leko vs S Ionov |
| ½-½ | 21 |
1993 |
Oviedo 25' | B54 Sicilian |
| 37. Anand vs S Ionov |
| ½-½ | 36 |
1993 |
It (active) | B42 Sicilian, Kan |
| 38. Balashov vs S Ionov |
| ½-½ | 15 |
1994 |
RUS-ch Elista | A17 English |
| 39. Rublevsky vs S Ionov |
| ½-½ | 24 |
1994 |
St.Petersburg op | B48 Sicilian, Taimanov Variation |
| 40. Rublevsky vs S Ionov |
| 1-0 | 28 |
1994 |
RUS-ch Elista | B89 Sicilian |
| 41. S Ionov vs M Turov |
| 1-0 | 31 |
1994 |
St Petersburg op2 | A15 English |
| 42. Kholmov vs S Ionov |
| ½-½ | 23 |
1995 |
Chigorin mem | B31 Sicilian, Rossolimo Variation |
| 43. S Ionov vs Khalifman |
| 0-1 | 47 |
1995 |
St. Petersburg (Russia) | E76 King's Indian, Four Pawns Attack |
| 44. A Galliamova-Ivanchuk vs S Ionov |
| 1-0 | 40 |
1995 |
Novgorod | A13 English |
| 45. S Smagin vs S Ionov |
| ½-½ | 61 |
1995 |
RUS-chT | B22 Sicilian, Alapin |
| 46. Rublevsky vs S Ionov |
| 1-0 | 41 |
1995 |
RUS-ch Kazan | B54 Sicilian |
| 47. S Ionov vs Khalifman |
| ½-½ | 29 |
1996 |
Ch St. Petersburg | E97 King's Indian |
| 48. S Ionov vs T Thorhallsson |
| 1-0 | 41 |
1996 |
Cappelle La Grande op | D43 Queen's Gambit Declined Semi-Slav |
| 49. G Timoshchenko vs S Ionov |
| ½-½ | 31 |
1996 |
Vendrell op | E12 Queen's Indian |
| 50. S Ionov vs M Brodsky |
| ½-½ | 39 |
1996 |
Vendrell op | E04 Catalan, Open, 5.Nf3 |