| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Euwe vs M Blau |
| 1-0 | 27 | 1950 | Lucerne | D15 Queen's Gambit Declined Slav |
| 27. M Blau vs G Pfeiffer |
| 1-0 | 50 | 1952 | SUI-FRG | B18 Caro-Kann, Classical |
| 28. G Pfeiffer vs M Blau |
 | 1-0 | 26 | 1952 | SUI-FRG | C75 Ruy Lopez, Modern Steinitz Defense |
| 29. M Udovcic vs M Blau |
| ½-½ | 48 | 1952 | Swiss Championship, Zurich | E43 Nimzo-Indian, Fischer Variation |
| 30. E Canal vs M Blau |
| 0-1 | 60 | 1952 | Swiss Championship, Zurich | C01 French, Exchange |
| 31. M Blau vs Euwe |
| ½-½ | 45 | 1952 | Swiss Championship, Zurich | C49 Four Knights |
| 32. M Blau vs M Christoffel |
| 1-0 | 82 | 1952 | Swiss Championship, Zurich | E64 King's Indian, Fianchetto, Yugoslav System |
| 33. T Tylor vs M Blau |
| 0-1 | 35 | 1952 | Hastings 1952/53 | E01 Catalan, Closed |
| 34. M Blau vs W Fairhurst |
| ½-½ | 52 | 1952 | Hastings 1952/53 | A08 King's Indian Attack |
| 35. J A Seitz vs M Blau |
| ½-½ | 48 | 1953 | Hastings 1952/53 | D02 Queen's Pawn Game |
| 36. M Blau vs A Medina Garcia |
| 1-0 | 65 | 1953 | Hastings 1952/53 | C50 Giuoco Piano |
| 37. J Penrose vs M Blau |
| 1-0 | 39 | 1953 | Hastings 1952/53 | C78 Ruy Lopez |
| 38. M Blau vs Ed Lasker |
| 0-1 | 37 | 1953 | Hastings 1952/53 | C48 Four Knights |
| 39. M Blau vs Golombek |
| 1-0 | 42 | 1953 | Hastings 1952/53 | B72 Sicilian, Dragon |
| 40. Yanofsky vs M Blau |
| 1-0 | 54 | 1953 | Hastings 1952/53 | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 41. M Blau vs R G Wade |
| ½-½ | 48 | 1953 | Hastings 1952/53 | C11 French |
| 42. M Blau vs G Porreca |
| 1-0 | 32 | 1953 | Clare Benedict Cup | C50 Giuoco Piano |
| 43. H Kramer vs M Blau |
| ½-½ | 27 | 1953 | Clare Benedict Cup | E14 Queen's Indian |
| 44. M Blau vs A Thiellement |
| 1-0 | 40 | 1953 | Clare Benedict Cup | C61 Ruy Lopez, Bird's Defense |
| 45. M Blau vs J Lokvenc |
| 1-0 | 36 | 1953 | Clare Benedict Cup | E67 King's Indian, Fianchetto |
| 46. H Schumacher vs M Blau |
| 0-1 | 37 | 1953 | Clare Benedict Cup | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 47. J Penrose vs M Blau |
| ½-½ | 16 | 1954 | Amsterdam Olympiad qual-4 | B16 Caro-Kann, Bronstein-Larsen Variation |
| 48. M Blau vs Barcza |
| 0-1 | 76 | 1954 | Amsterdam Olympiad qual-4 | B56 Sicilian |
| 49. Unzicker vs M Blau |
| 1-0 | 56 | 1954 | Amsterdam Olympiad qual-4 | B92 Sicilian, Najdorf, Opocensky Variation |
| 50. M Blau vs R Lemaire |
| 1-0 | 41 | 1954 | Amsterdam Olympiad qual-4 | C18 French, Winawer |
Kibitzing
