| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. H Perez Garcia vs C Becx |
| 1-0 | 21 | 1980 | Leiden Open | A07 King's Indian Attack |
| 2. G Welling vs C Becx |
 | 1-0 | 27 | 1980 | Provincial-ch | C29 Vienna Gambit |
| 3. C Becx vs F Kuijpers |
| ½-½ | 45 | 1983 | Roosendaal | A02 Bird's Opening |
| 4. N Bradbury vs C Becx |
| 1-0 | 39 | 1983 | 7th Lloyds Bank Masters Open | A80 Dutch |
| 5. C Becx vs T Needham |
| 1-0 | 27 | 1985 | Guernsey Open | A02 Bird's Opening |
| 6. C Becx vs Plachetka |
| 0-1 | 25 | 1987 | Copenhagen op | A02 Bird's Opening |
| 7. P Rewitz vs C Becx |
| 0-1 | 58 | 1987 | Copenhagen | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 8. P Lukacs vs C Becx |
| 1-0 | 37 | 1987 | Copenhagen | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 9. H Bartels vs C Becx |
| 1-0 | 28 | 1987 | Guernsey | A87 Dutch, Leningrad, Main Variation |
| 10. Jansa vs C Becx |
| 1-0 | 49 | 1987 | Copenhagen | C63 Ruy Lopez, Schliemann Defense |
| 11. M Zupe vs C Becx |
| 1-0 | 57 | 1988 | Caorle op | C63 Ruy Lopez, Schliemann Defense |
| 12. C Becx vs A Meszaros |
| 1-0 | 39 | 1988 | Berlin Open | A03 Bird's Opening |
| 13. L B Hansen vs C Becx |
| 1-0 | 44 | 1988 | Berlin Open | A81 Dutch |
| 14. A van Gijsel vs C Becx |
| 0-1 | 16 | 1988 | Guernsey Open | C57 Two Knights |
| 15. C Becx vs T Borland |
| 1-0 | 37 | 1988 | Guernsey Open | A02 Bird's Opening |
| 16. P de Rooi vs C Becx |
| 0-1 | 52 | 1988 | Guernsey Open | C63 Ruy Lopez, Schliemann Defense |
| 17. C Becx vs A Kinsman |
| 0-1 | 50 | 1988 | Guernsey Open | A02 Bird's Opening |
| 18. S Cullip vs C Becx |
| ½-½ | 40 | 1988 | Guernsey Open | C63 Ruy Lopez, Schliemann Defense |
| 19. C Becx vs M Ruston |
| 1-0 | 36 | 1988 | Guernsey Open | A02 Bird's Opening |
| 20. E Torre vs C Becx |
| 1-0 | 27 | 1989 | Lugano Open | C55 Two Knights Defense |
| 21. L Bini vs C Becx |
| 0-1 | 46 | 1989 | Caorle Open | A01 Nimzovich-Larsen Attack |
| 22. M De Gregorio vs C Becx |
| 0-1 | 27 | 1989 | Caorle Open | C63 Ruy Lopez, Schliemann Defense |
| 23. C Becx vs Yermolinsky |
| 1-0 | 62 | 1989 | Caorle Open | A03 Bird's Opening |
| 24. Z Gajic vs C Becx |
| ½-½ | 13 | 1989 | Caorle Open | C46 Three Knights |
| 25. N Sulava vs C Becx |
| ½-½ | 51 | 1989 | Caorle Open | A04 Reti Opening |
Kibitzing
