| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Smeets vs I Rees |
| 1-0 | 23 |
2001 |
Glorney Cup | B75 Sicilian, Dragon, Yugoslav Attack |
| 2. R Willmoth vs I Rees |
| 1-0 | 20 |
2002 |
British Chess Championships | B26 Sicilian, Closed, 6.Be3 |
| 3. I Karkanaqe vs I Rees |
| 1-0 | 61 |
2004 |
36th Olympiad | A04 Reti Opening |
| 4. I Rees vs D Abela |
 | 1-0 | 66 |
2004 |
36th Olympiad | D52 Queen's Gambit Declined |
| 5. S Mirza vs I Rees |
| 1-0 | 28 |
2004 |
36th Olympiad | A59 Benko Gambit |
| 6. I Rees vs J Ribera Bazan |
| 1-0 | 30 |
2004 |
36th Olympiad | A88 Dutch, Leningrad, Main Variation with c6 |
| 7. I Rees vs F Hernandez Basante |
| 1-0 | 55 |
2004 |
36th Olympiad | D06 Queen's Gambit Declined |
| 8. I Rees vs A Fejzullahu |
| 1-0 | 57 |
2005 |
21st European Club Cup | E91 King's Indian |
| 9. S Brady vs I Rees |
| 1-0 | 40 |
2005 |
21st European Club Cup | B22 Sicilian, Alapin |
| 10. I Rees vs R Polzin |
| 1-0 | 36 |
2005 |
21st European Club Cup | E97 King's Indian |
| 11. V Mikhalevski vs I Rees |
| 1-0 | 19 |
2005 |
2nd South Wales International | E10 Queen's Pawn Game |
| 12. L Gonda vs I Rees |
| 1-0 | 33 |
2006 |
European Youth Championship | E91 King's Indian |
| 13. I Rees vs T Maenhout |
| 1-0 | 31 |
2006 |
European Youth Championship | B94 Sicilian, Najdorf |
| 14. I Rees vs A Young |
| 1-0 | 37 |
2007 |
53rd Welsh Championship | A35 English, Symmetrical |
| 15. T Kett vs I Rees |
| 1-0 | 37 |
2007 |
53rd Welsh Championship | B49 Sicilian, Taimanov Variation |
| 16. I Rees vs D Sully |
| 1-0 | 42 |
2007 |
53rd Welsh Championship | A84 Dutch |
| 17. I Rees vs E M White |
| 1-0 | 39 |
2007 |
53rd Welsh Championship | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 18. I Rees vs Yueh Wei Po |
| 1-0 | 34 |
2008 |
2008 Olympiad | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 19. K Mah vs I Rees |
| 1-0 | 39 |
2008 |
4NCL 2008-2009 | A12 English with b3 |
| 20. I Rees vs J C Hernandez |
| 1-0 | 59 |
2008 |
2008 Olympiad | C95 Ruy Lopez, Closed, Breyer |
| 21. F Khairallah vs I Rees |
| 1-0 | 29 |
2008 |
2008 Olympiad | B23 Sicilian, Closed |
| 22. A Braun vs I Rees |
| 1-0 | 53 |
2008 |
2008 Olympiad | D35 Queen's Gambit Declined |
| 23. Delchev vs I Rees |
| 1-0 | 48 |
2009 |
17th European Team Championship | D35 Queen's Gambit Declined |
| 24. Stellwagen vs I Rees |
| 1-0 | 21 |
2009 |
17th European Team Championship | C10 French |
| 25. D Saiboulatov vs I Rees |
| 1-0 | 88 |
2009 |
17th European Team Championship | B30 Sicilian |
