| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Lopez vs I Rees |
| ½-½ | 23 |
2001 |
Glorney Cup | D32 Queen's Gambit Declined, Tarrasch |
| 2. I Rees vs P Stehno |
| ½-½ | 16 |
2001 |
Glorney Cup | B06 Robatsch |
| 3. Gaetan Didderen vs I Rees |
| ½-½ | 25 |
2001 |
Glorney Cup | B20 Sicilian |
| 4. J Smeets vs I Rees |
| 1-0 | 23 |
2001 |
Glorney Cup | B75 Sicilian, Dragon, Yugoslav Attack |
| 5. I Rees vs D McGowan |
| 0-1 | 23 |
2001 |
Glorney Cup | C17 French, Winawer, Advance |
| 6. R Willmoth vs I Rees |
| 1-0 | 20 |
2002 |
British Chess Championships | B26 Sicilian, Closed, 6.Be3 |
| 7. I Rees vs F Washaba |
| ½-½ | 62 |
2004 |
36th Olympiad | A58 Benko Gambit |
| 8. I Rees vs F Hernandez Basante |
| 1-0 | 55 |
2004 |
36th Olympiad | D06 Queen's Gambit Declined |
| 9. I Rees vs J Ribera Bazan |
| 1-0 | 30 |
2004 |
36th Olympiad | A88 Dutch, Leningrad, Main Variation with c6 |
| 10. I Karkanaqe vs I Rees |
| 1-0 | 61 |
2004 |
36th Olympiad | A04 Reti Opening |
| 11. F Ferster vs I Rees |
| 0-1 | 44 |
2004 |
36th Olympiad | A34 English, Symmetrical |
| 12. I Rees vs D Abela |
 | 1-0 | 66 |
2004 |
36th Olympiad | D52 Queen's Gambit Declined |
| 13. S Mirza vs I Rees |
 | 1-0 | 28 |
2004 |
36th Olympiad | A59 Benko Gambit |
| 14. I Rees vs M Wiedenkeller |
| 0-1 | 53 |
2005 |
21st European Club Cup | A14 English |
| 15. V Mikhalevski vs I Rees |
| 1-0 | 19 |
2005 |
2nd South Wales International | E10 Queen's Pawn Game |
| 16. C Cobb vs I Rees |
| ½-½ | 29 |
2005 |
21st European Club Cup | E94 King's Indian, Orthodox |
| 17. I Rees vs A Fejzullahu |
| 1-0 | 57 |
2005 |
21st European Club Cup | E91 King's Indian |
| 18. I Rees vs R Polzin |
| 1-0 | 36 |
2005 |
21st European Club Cup | E97 King's Indian |
| 19. S Brady vs I Rees |
| 1-0 | 40 |
2005 |
21st European Club Cup | B22 Sicilian, Alapin |
| 20. I Rees vs S Azarov |
| 0-1 | 53 |
2005 |
21st European Club Cup | E46 Nimzo-Indian |
| 21. S Tomezack vs I Rees |
| 0-1 | 41 |
2005 |
21st European Club Cup | B23 Sicilian, Closed |
| 22. I Rees vs A Braun |
| ½-½ | 30 |
2005 |
BELFORT YWCC BU18 | D45 Queen's Gambit Declined Semi-Slav |
| 23. T Woodward vs I Rees |
| 0-1 | 36 |
2006 |
FSIMA August | A58 Benko Gambit |
| 24. L Gonda vs I Rees |
| 1-0 | 33 |
2006 |
European Youth Championship | E91 King's Indian |
| 25. I Rees vs T Maenhout |
| 1-0 | 31 |
2006 |
European Youth Championship | B94 Sicilian, Najdorf |