| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 301. B Koch vs H Bouwmeester |
| ½-½ | 19 | 1956 | Moscow Olympiad Final-B | B68 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7 |
| 302. K Skold vs B Koch |
| ½-½ | 41 | 1956 | Moscow Olympiad Final-B | B40 Sicilian |
| 303. E Rojahn vs B Koch |
| ½-½ | 20 | 1956 | Moscow Olympiad Final-B | D78 Neo-Grunfeld, 6.O-O c6 |
| 304. B Koch vs S Burstein |
| 0-1 | 56 | 1956 | Moscow Olympiad Final-B | B54 Sicilian |
| 305. B Koch vs V Hanninen |
| ½-½ | 27 | 1956 | Moscow Olympiad Final-B | C02 French, Advance |
| 306. B Koch vs F Smrcka |
| 1-0 | 39 | 1965 | olm5 fin B2 corr6568 | C28 Vienna Game |
| 307. B Koch vs Simagin |
| 1-0 | 62 | 1965 | olm5 fin B2 corr6568 | B84 Sicilian, Scheveningen |
| 308. K E Engel vs B Koch |
| 1-0 | 28 | 1965 | olm5 fin B2 corr6568 | A74 Benoni, Classical, 9...a6, 10.a4 |
| 309. B Koch vs Olle Smith |
| ½-½ | 24 | 1965 | olm5 fin B2 corr6568 | B55 Sicilian, Prins Variation, Venice Attack |
| 310. B Koch vs C Hunter |
| 0-1 | 40 | 1965 | olm5 fin B2 corr6568 | C28 Vienna Game |
| 311. J W Carr vs B Koch |
| ½-½ | 36 | 1965 | olm5 fin B2 corr6568 | A15 English |
| 312. A Feuerstein vs B Koch |
| ½-½ | 56 | 1965 | olm5 fin B2 corr6568 | A60 Benoni Defense |
| 313. M Boysan vs B Koch |
| ½-½ | 56 | 1965 | olm5 fin B2 corr6568 | A48 King's Indian |
| 314. A Bannik vs B Koch |
| 0-1 | 43 | 1965 | corr | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 315. W R Metz vs B Koch |
| 1-0 | 52 | 1973 | FRG-ch14 corr7376 | B14 Caro-Kann, Panov-Botvinnik Attack |
Kibitzing
