| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. B De Greiff vs A Beni |
| 0-1 | 40 |
1954 |
Amsterdam ol (Men) | E41 Nimzo-Indian |
| 2. O Katajisto vs B De Greiff |
| ½-½ | 25 |
1954 |
Amsterdam ol (Men) | A52 Budapest Gambit |
| 3. B De Greiff vs G Philippe |
| 1-0 | 39 |
1954 |
Amsterdam ol (Men) | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 4. G Porreca vs B De Greiff |
| ½-½ | 106 |
1954 |
Amsterdam ol (Men) | E62 King's Indian, Fianchetto |
| 5. B De Greiff vs B P Reilly |
 | 1-0 | 28 |
1954 |
Amsterdam ol (Men) | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 6. B De Greiff vs E Bhend |
| 1-0 | 31 |
1954 |
Amsterdam ol (Men) | A97 Dutch, Ilyin-Genevsky |
| 7. G Philippe vs B De Greiff |
 | 0-1 | 40 |
1954 |
Amsterdam ol (Men) | A06 Reti Opening |
| 8. B De Greiff vs T Store |
| 1-0 | 52 |
1954 |
Amsterdam ol (Men) | D11 Queen's Gambit Declined Slav |
| 9. B De Greiff vs A Nielsen |
| 1-0 | 42 |
1954 |
Amsterdam ol (Men) | B50 Sicilian |
| 10. A Dunkelblum vs B De Greiff |
| ½-½ | 51 |
1954 |
Amsterdam ol (Men) | D38 Queen's Gambit Declined, Ragozin Variation |
| 11. B De Greiff vs G Kluger |
| 0-1 | 43 |
1954 |
Amsterdam ol (Men) | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 12. F R Anderson vs B De Greiff |
 | 1-0 | 43 |
1954 |
Amsterdam ol (Men) | C73 Ruy Lopez, Modern Steinitz Defense |
| 13. B De Greiff vs G Lorson |
| 1-0 | 42 |
1954 |
Amsterdam ol (Men) | E41 Nimzo-Indian |
| 14. B De Greiff vs Schmid |
| 1-0 | 48 |
1954 |
Amsterdam ol (Men) pre-IV | B81 Sicilian, Scheveningen, Keres Attack |
| 15. B De Greiff vs A Dunkelblum |
| ½-½ | 29 |
1954 |
Amsterdam ol (Men) | D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 |
| 16. E Nievergelt vs B De Greiff |
| 1-0 | 50 |
1954 |
Amsterdam ol (Men) | E38 Nimzo-Indian, Classical, 4...c5 |
| 17. J Penrose vs B De Greiff |
| 1-0 | 41 |
1954 |
Amsterdam ol (Men) | C76 Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation |
| 18. M Raizman vs B De Greiff |
| 1-0 | 32 |
1954 |
Amsterdam ol (Men) | E29 Nimzo-Indian, Samisch |
| 19. B De Greiff vs Ivkov |
| 0-1 | 56 |
1955 |
Mar del Plata | C77 Ruy Lopez |
| 20. B De Greiff vs Najdorf |
| ½-½ | 73 |
1955 |
Mar del Plata | A15 English |
| 21. B De Greiff vs Szabo |
| 0-1 | 56 |
1955 |
Mar del Plata | B64 Sicilian, Richter-Rauzer Attack |
| 22. R Toran Albero vs B De Greiff |
| 1-0 | 34 |
1955 |
Mar del Plata | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 23. B De Greiff vs Gligoric |
 | 0-1 | 35 |
1955 |
Mar del Plata | B93 Sicilian, Najdorf, 6.f4 |
| 24. B De Greiff vs Panno |
| 0-1 | 56 |
1955 |
Mar del Plata | B93 Sicilian, Najdorf, 6.f4 |
| 25. B De Greiff vs J Sefc |
| ½-½ | 20 |
1956 |
Moscow ol (Men) qual-D | A13 English |