| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. W Jacobusse vs R Theissl Pokorna |
| 0-1 | 35 | 2001 | HZ Open | A46 Queen's Pawn Game |
| 2. W Jacobusse vs P de Heer |
| 0-1 | 40 | 2001 | HZ Open | A48 King's Indian |
| 3. W Jacobusse vs G Visser |
| 0-1 | 24 | 2001 | HZ Open | D03 Torre Attack (Tartakower Variation) |
| 4. M Turpanov vs W Jacobusse |
| 1-0 | 22 | 2002 | Bled Olympiad | E70 King's Indian |
| 5. W Jacobusse vs D Mieles Palau |
| 0-1 | 33 | 2004 | Calvia Olympiad | D03 Torre Attack (Tartakower Variation) |
| 6. R Nanjo vs W Jacobusse |
| ½-½ | 40 | 2004 | Calvia Olympiad | D31 Queen's Gambit Declined |
| 7. J M Santa Torres vs W Jacobusse |
 | 1-0 | 18 | 2004 | Calvia Olympiad | D02 Queen's Pawn Game |
| 8. W Jacobusse vs E Righi |
| ½-½ | 32 | 2004 | Calvia Olympiad | A46 Queen's Pawn Game |
| 9. W Jacobusse vs S Wilkinson |
| 1-0 | 57 | 2004 | Calvia Olympiad | A46 Queen's Pawn Game |
| 10. W Jacobusse vs A Guller |
| ½-½ | 41 | 2004 | Calvia Olympiad | A43 Old Benoni |
| 11. M Kanegi vs W Jacobusse |
| 1-0 | 44 | 2004 | Calvia Olympiad | D02 Queen's Pawn Game |
| 12. R Constance vs W Jacobusse |
| 0-1 | 60 | 2004 | Calvia Olympiad | B13 Caro-Kann, Exchange |
| 13. W Jacobusse vs L Mueller |
| ½-½ | 39 | 2004 | Calvia Olympiad | A48 King's Indian |
| 14. W Jacobusse vs C S Matamoros Franco |
| 0-1 | 46 | 2006 | Turin Olympiad | D02 Queen's Pawn Game |
| 15. W Jacobusse vs M Larrea |
| 0-1 | 42 | 2006 | Turin Olympiad | A48 King's Indian |
| 16. S Kojima vs W Jacobusse |
| 1-0 | 52 | 2006 | Turin Olympiad | B12 Caro-Kann Defense |
| 17. H Fidaeyee vs W Jacobusse |
| 0-1 | 18 | 2006 | Turin Olympiad | B10 Caro-Kann |
| 18. W Jacobusse vs Z Kovacova |
| 0-1 | 45 | 2006 | Turin Olympiad | D03 Torre Attack (Tartakower Variation) |
| 19. A C Chimthere vs W Jacobusse |
| 0-1 | 52 | 2006 | Turin Olympiad | B12 Caro-Kann Defense |
| 20. W Jacobusse vs O Cuellar |
| 0-1 | 41 | 2006 | Turin Olympiad | A40 Queen's Pawn Game |
| 21. C Van Tilbury vs W Jacobusse |
| ½-½ | 24 | 2006 | Turin Olympiad | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 22. W Jacobusse vs M Murara |
| 1-0 | 51 | 2006 | Turin Olympiad | D02 Queen's Pawn Game |
| 23. W Jacobusse vs B Magana |
| 0-1 | 40 | 2006 | Turin Olympiad | D03 Torre Attack (Tartakower Variation) |
| 24. S Wilkinson vs W Jacobusse |
| 0-1 | 53 | 2006 | Turin Olympiad | D01 Richter-Veresov Attack |
| 25. W Jacobusse vs M Weimann |
| 0-1 | 37 | 2007 | Hogeschool Zeeland Tournament | D03 Torre Attack (Tartakower Variation) |
Kibitzing
