| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J M Weber vs W Mehlhorn |
| 1-0 | 55 |
1997 |
ICCF - corr | A40 Queen's Pawn Game |
| 2. J M Weber vs P Keglevic |
 | 1-0 | 5 |
1997 |
ICCF - corr | E38 Nimzo-Indian, Classical, 4...c5 |
| 3. J M Weber vs J DeMauro |
| 1-0 | 63 |
1997 |
ICCF - corr | E32 Nimzo-Indian, Classical |
| 4. J M Weber vs C Quaresma |
| 1-0 | 16 |
1997 |
ICCF - corr | E62 King's Indian, Fianchetto |
| 5. G Chrestani vs J M Weber |
 | 1-0 | 47 |
1997 |
ICCF - corr | B96 Sicilian, Najdorf |
| 6. J M Weber vs J Mihalko |
| 1-0 | 48 |
1997 |
ICCF - corr | E32 Nimzo-Indian, Classical |
| 7. J M Weber vs Y Bayram |
| 1-0 | 47 |
2001 |
EuTCh | A64 Benoni, Fianchetto, 11...Re8 |
| 8. J M Weber vs E Bhend |
| 1-0 | 27 |
2002 |
ICCF - corr | A81 Dutch |
| 9. W Zugrav vs J M Weber |
| 1-0 | 53 |
2002 |
ICCF - corr | D85 Grunfeld |
| 10. S Goerlinger vs J M Weber |
| 1-0 | 42 |
2002 |
ICCF - corr | B90 Sicilian, Najdorf |
| 11. J M Weber vs I Schuett |
| 1-0 | 34 |
2002 |
ICCF - corr | E60 King's Indian Defense |
| 12. J M Weber vs H Sarink |
| 1-0 | 40 |
2002 |
ICCF - corr | D51 Queen's Gambit Declined |
| 13. J M Weber vs M Moeschinger |
| 1-0 | 41 |
2002 |
ICCF - corr | E32 Nimzo-Indian, Classical |
| 14. Kupreichik vs J M Weber |
| 1-0 | 31 |
2003 |
EU-chT (Men) | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 15. J M Weber vs G Schroll |
| 1-0 | 49 |
2003 |
EU-chT (Men) | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 16. T Chandra vs J M Weber |
| 1-0 | 39 |
2004 |
36th Olympiad | A58 Benko Gambit |
| 17. Kurajica vs J M Weber |
| 1-0 | 35 |
2004 |
36th Olympiad | A33 English, Symmetrical |
| 18. J M Weber vs J Mukabi |
| 1-0 | 51 |
2004 |
36th Olympiad | D53 Queen's Gambit Declined |
| 19. A Savickas vs J M Weber |
| 1-0 | 91 |
2006 |
37th Chess Olympiad | B23 Sicilian, Closed |
| 20. D Mastrovasilis vs J M Weber |
| 1-0 | 36 |
2007 |
European Team Chess Championships | B54 Sicilian |