| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. I Koenig vs M Napolitano |
| 0-1 | 49 | 1936 | non-FIDE Munich Olympiad | B58 Sicilian |
| 52. I Koenig vs Euwe |
 | 0-1 | 58 | 1939 | Bournemouth | D94 Grunfeld |
| 53. I Koenig vs J Aitken |
| ½-½ | 44 | 1939 | Bournemouth | A13 English |
| 54. F Kitto vs I Koenig |
| 0-1 | 29 | 1939 | Bournemouth | C02 French, Advance |
| 55. I Koenig vs G Abrahams |
| 1-0 | 50 | 1939 | Bournemouth | D31 Queen's Gambit Declined |
| 56. P N Wallis vs I Koenig |
| ½-½ | 41 | 1939 | Bournemouth | E22 Nimzo-Indian, Spielmann Variation |
| 57. I Koenig vs S Landau |
| ½-½ | 51 | 1939 | Bournemouth | A13 English |
| 58. A G Conde vs I Koenig |
| 1-0 | 35 | 1939 | Bournemouth | E00 Queen's Pawn Game |
| 59. I Koenig vs A R B Thomas |
 | 1-0 | 24 | 1939 | Bournemouth | B23 Sicilian, Closed |
| 60. E Klein vs I Koenig |
| ½-½ | 53 | 1939 | Bournemouth | E33 Nimzo-Indian, Classical |
| 61. I Koenig vs J Mieses |
| 1-0 | 25 | 1939 | Bournemouth | B00 Uncommon King's Pawn Opening |
| 62. Flohr vs I Koenig |
| ½-½ | 60 | 1939 | Bournemouth | E33 Nimzo-Indian, Classical |
| 63. P Devos vs I Koenig |
| ½-½ | 44 | 1946 | London B | A14 English |
| 64. I Koenig vs R H Newman |
| ½-½ | 43 | 1946 | London B | A12 English with b3 |
| 65. G Wood vs I Koenig |
| 0-1 | 39 | 1946 | London B | E40 Nimzo-Indian, 4.e3 |
| 66. I Koenig vs F Lupi |
| ½-½ | 28 | 1946 | London B | A04 Reti Opening |
| 67. I Koenig vs W Winter |
| 0-1 | 55 | 1946 | London B | A15 English |
| 68. Denker vs I Koenig |
| 1-0 | 43 | 1946 | London B | A47 Queen's Indian |
| 69. I Koenig vs M Christoffel |
| 1-0 | 41 | 1946 | London B | D74 Neo-Grunfeld, 6.cd Nxd5, 7.O-O |
| 70. Euwe vs I Koenig |
| ½-½ | 27 | 1946 | London B | E32 Nimzo-Indian, Classical |
| 71. I Koenig vs G Abrahams |
| 1-0 | 51 | 1946 | London B | D02 Queen's Pawn Game |
| 72. G A Thomas vs I Koenig |
| ½-½ | 22 | 1946 | London B | C17 French, Winawer, Advance |
| 73. I Koenig vs A Medina Garcia |
| 1-0 | 38 | 1946 | London B | D45 Queen's Gambit Declined Semi-Slav |
| 74. I Koenig vs Smyslov |
| 0-1 | 53 | 1946 | Radio Match | C92 Ruy Lopez, Closed |
| 75. Smyslov vs I Koenig |
| 1-0 | 37 | 1946 | Radio Match | C84 Ruy Lopez, Closed |
Kibitzing
