| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Shirov vs S Ionov |
| ½-½ | 45 |
1988 |
Ch URS (1 liga) (cat.9) | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 2. A Graf vs S Ionov |
| 1-0 | 64 |
1991 |
URS-ch58 | E46 Nimzo-Indian |
| 3. I Ibragimov vs S Ionov |
| ½-½ | 48 |
1998 |
RUS-ch | E41 Nimzo-Indian |
| 4. S Volkov vs S Ionov |
| 1-0 | 67 |
1998 |
RUS-ch | E25 Nimzo-Indian, Samisch |
| 5. S Ivanov vs S Ionov |
| ½-½ | 70 |
2001 |
ch-City | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 6. S Shipov vs S Ionov |
| ½-½ | 35 |
2001 |
54th ch-RUS | E32 Nimzo-Indian, Classical |
| 7. Y Kuzubov vs S Ionov |
| ½-½ | 59 |
2003 |
European Clubs Cup (Men) | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 8. M Logunov vs S Ionov |
| ½-½ | 33 |
2003 |
56th Russian Championships | E46 Nimzo-Indian |
| 9. S Volkov vs S Ionov |
| 1-0 | 36 |
2004 |
57th Russian Championship Qualifier | E20 Nimzo-Indian |
| 10. V Belov vs S Ionov |
| ½-½ | 19 |
2004 |
Russia Team Championship | E32 Nimzo-Indian, Classical |
| 11. D Feofanov vs S Ionov |
| 0-1 | 30 |
2004 |
77th St. Petersberg Championship | E20 Nimzo-Indian |
| 12. A Lugovoi vs S Ionov |
| 1-0 | 36 |
2004 |
77th St. Petersberg Championship | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 13. D Bocharov vs S Ionov |
| 1-0 | 41 |
2006 |
59th Russian Championship | E21 Nimzo-Indian, Three Knights |
| 14. V Golod vs S Ionov |
| ½-½ | 24 |
2007 |
Cappelle la Grande | E36 Nimzo-Indian, Classical |