| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. E Matsuura vs A Diamant |
| 1-0 | 49 | 1999 | Itau Mercosul Cup | B45 Sicilian, Taimanov |
| 2. A Diamant vs P Wang |
| 0-1 | 28 | 2000 | Wch U10 | B23 Sicilian, Closed |
| 3. M Lopez Velez vs A Diamant |
| ½-½ | 10 | 2001 | Guaymallen PanAM-chJ U12 Absoluto | B32 Sicilian |
| 4. G Needleman vs A Diamant |
 | 0-1 | 52 | 2001 | Guaymallen PanAM-chJ U12 Absoluto | B32 Sicilian |
| 5. A Diamant vs I Khairullin |
| ½-½ | 16 | 2001 | World Championship U12 | B14 Caro-Kann, Panov-Botvinnik Attack |
| 6. R Jumabayev vs A Diamant |
| 1-0 | 49 | 2001 | World Championship U12 | B32 Sicilian |
| 7. P Wang vs A Diamant |
| 0-1 | 59 | 2001 | World Championship U12 | B22 Sicilian, Alapin |
| 8. A Diamant vs T Banusz |
| 1-0 | 32 | 2001 | World Championship U12 | B31 Sicilian, Rossolimo Variation |
| 9. Nepomniachtchi vs A Diamant |
 | 0-1 | 57 | 2001 | World Championship U12 | B22 Sicilian, Alapin |
| 10. A Diamant vs A Susilodinata |
| 0-1 | 45 | 2001 | World Championship U12 | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 11. A Diamant vs G Rohit |
| 0-1 | 23 | 2001 | World Championship U12 | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 12. J Gomez Baillo vs A Diamant |
| 0-1 | 56 | 2003 | Sao Paulo Itau Cup 7th | B30 Sicilian |
| 13. A Diamant vs D Fernando |
| 0-1 | 44 | 2003 | Sao Paulo Itau Cup 7th | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 14. Carlsen vs A Diamant |
| 1-0 | 31 | 2003 | World Youth Championship (U14) | B37 Sicilian, Accelerated Fianchetto |
| 15. A Diamant vs F Bindrich |
| ½-½ | 42 | 2003 | World Youth Championship (U14) | A07 King's Indian Attack |
| 16. D Howell vs A Diamant |
| 0-1 | 57 | 2003 | World Youth Championship (U14) | B31 Sicilian, Rossolimo Variation |
| 17. A Diamant vs G Rohit |
| 1-0 | 59 | 2003 | World Youth Championship (U14) | A07 King's Indian Attack |
| 18. A Diamant vs E Matsuura |
| 0-1 | 68 | 2004 | Sao Paulo CXSP op | B33 Sicilian |
| 19. M Crosa Coll vs A Diamant |
| 1-0 | 24 | 2004 | CXSP Open | B05 Alekhine's Defense, Modern |
| 20. P Michalik vs A Diamant |
| 1-0 | 36 | 2005 | Wch U16 | B32 Sicilian |
| 21. S Trofimov vs A Diamant |
| 1-0 | 55 | 2005 | Wch U16 | D20 Queen's Gambit Accepted |
| 22. Vocaturo vs A Diamant |
| 0-1 | 47 | 2005 | Wch U16 | B05 Alekhine's Defense, Modern |
| 23. A Diamant vs Lenderman |
| 0-1 | 77 | 2005 | Wch U16 | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 24. I Brener vs A Diamant |
| 1-0 | 35 | 2005 | Wch U16 | A06 Reti Opening |
| 25. A Diamant vs D Di Berardino |
| 0-1 | 59 | 2006 | Vitoria Espirito Sancto 1st | B92 Sicilian, Najdorf, Opocensky Variation |
Kibitzing
