| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. V Soultanbeieff vs M Christoffel |
| 0-1 | 34 | 1946 | Zaanstreek | E90 King's Indian |
| 27. W J Muhring vs M Christoffel |
| ½-½ | 41 | 1946 | Zaanstreek | E64 King's Indian, Fianchetto, Yugoslav System |
| 28. H Kramer vs M Christoffel |
| 0-1 | 54 | 1946 | Zaanstreek | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 29. M Christoffel vs P List |
| 1-0 | 26 | 1946 | Zaanstreek | C13 French |
| 30. Euwe vs M Christoffel |
 | 1-0 | 56 | 1946 | Zaanstreek | E94 King's Indian, Orthodox |
| 31. G Stoltz vs M Christoffel |
| 1-0 | 38 | 1946 | Zaanstreek | E67 King's Indian, Fianchetto |
| 32. M Christoffel vs G J Wood |
| 0-1 | 28 | 1946 | Zaanstreek | C28 Vienna Game |
| 33. M Christoffel vs Szabo |
| 0-1 | 38 | 1946 | Zaanstreek | C82 Ruy Lopez, Open |
| 34. M Christoffel vs F Ekstrom |
| 0-1 | 70 | 1946 | Zaanstreek | C19 French, Winawer, Advance |
| 35. O'Kelly vs M Christoffel |
| 1-0 | 41 | 1946 | Groningen | B81 Sicilian, Scheveningen, Keres Attack |
| 36. M Christoffel vs O Bernstein |
| 1-0 | 39 | 1946 | Groningen | C97 Ruy Lopez, Closed, Chigorin |
| 37. Euwe vs M Christoffel |
| 1-0 | 34 | 1946 | Groningen | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 38. M Christoffel vs G Stoltz |
| 0-1 | 30 | 1946 | Groningen | B73 Sicilian, Dragon, Classical |
| 39. Flohr vs M Christoffel |
| 1-0 | 29 | 1946 | Groningen | D44 Queen's Gambit Declined Semi-Slav |
| 40. M Christoffel vs Tartakower |
| ½-½ | 68 | 1946 | Groningen | B04 Alekhine's Defense, Modern |
| 41. Kotov vs M Christoffel |
| 0-1 | 77 | 1946 | Groningen | D11 Queen's Gambit Declined Slav |
| 42. M Christoffel vs Yanofsky |
| ½-½ | 40 | 1946 | Groningen | E61 King's Indian |
| 43. C Kottnauer vs M Christoffel |
| 1-0 | 26 | 1946 | Groningen | D31 Queen's Gambit Declined |
| 44. Vidmar vs M Christoffel |
| 0-1 | 52 | 1946 | Groningen | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 45. M Christoffel vs C Guimard |
| 0-1 | 54 | 1946 | Groningen | C13 French |
| 46. Najdorf vs M Christoffel |
| 1-0 | 21 | 1946 | Groningen | D45 Queen's Gambit Declined Semi-Slav |
| 47. M Christoffel vs Szabo |
| 0-1 | 31 | 1946 | Groningen | C70 Ruy Lopez |
| 48. E Lundin vs M Christoffel |
| 1-0 | 33 | 1946 | Groningen | E67 King's Indian, Fianchetto |
| 49. M Christoffel vs Smyslov |
| 0-1 | 41 | 1946 | Groningen | C53 Giuoco Piano |
| 50. H Steiner vs M Christoffel |
| ½-½ | 48 | 1946 | Groningen | E94 King's Indian, Orthodox |
Kibitzing
