EU Ch U20 Niemeyer 4th Groningen NED· Dec 27 – 31, 1965 | Dec 27 – 31, 1965 | Classical | 11 | 2059 | 23 |
Reggio Emilia 6566 08th Reggio Emilia ITA· Dec 29 – 31, 1965 | Dec 29 – 31, 1965 | Classical | 11 | 2093 | 24 |
Groningen Groningen NED· Jan 2 – Dec 30, 1965 | Jan 2 – Dec 30, 1965 | Classical | 13 | 1931 | 11 |
Reggio Emilia 6566 Reggio Emilia ITA· Dec 30, 1965 | Dec 30, 1965 | Classical | 11 | 2217 | 11 |
| ISR ChIsrael· Dec 12 – 30, 1965 | Dec 12 – 30, 1965 | Classical | 16 | 2182 | 103 |
Reggio Emilia ITA Reggio Emilia ITA· Jan 4 – Dec 29, 1965 | Jan 4 – Dec 29, 1965 | Classical | 13 | 2205 | 24 |
POL Ch 23th sf Poznan POL· Dec 5 – 15, 1965 | Dec 5 – 15, 1965 | Classical | 12 | 2044 | 64 |
| TitogradTitograd· Nov 25 – Dec 15, 1965 | Nov 25 – Dec 15, 1965 | Classical | 18 | 2176 | 131 |
| 1. division 1965-66· Sep 8 – Dec 12, 1965 | Sep 8 – Dec 12, 1965 | Classical | 24 | 2076 | 19 |
URS-ch33 Tallinn EST· Dec 10, 1965 | Dec 10, 1965 | Classical | 13 | 2104 | 13 |
Southampton League Div 1 Southampton ENG· Feb 16 – Dec 8, 1965 | Feb 16 – Dec 8, 1965 | Classical | 9 | 1823 | 9 |
National Open Championship Las Vegas, NV USA· Aug 2 – Dec 2, 1965 | Aug 2 – Dec 2, 1965 | Classical | 8 | 2117 | 7 |
Hastings ENG Hastings ENG· 1965 | 1965 | Classical | 17 | 2228 | 13 |
HUN Ch 21th Budapest HUN· 1965 | 1965 | Classical | 12 | 2208 | 11 |
Hastings6566 Hastings ENG· 1965 | 1965 | Classical | 11 | 2209 | 41 |
Leipzig Inter 1st Leipzig GER· 1965 | 1965 | Classical | 13 | 2303 | 22 |
USA Ch New York, NY USA· 1965 | 1965 | Classical | 8 | 2306 | 9 |
New York ch-USA New York ch-USA· 1965 | 1965 | Classical | 13 | 2090 | 54 |
Leipzig Inter-1 Leipzig GER· 1965 | 1965 | Classical | 18 | 2332 | 37 |
| Leipzig Inter-1Leipzig Inter-1· 1965 | 1965 | Classical | 16 | 2346 | 56 |
American Open Santa Monica, CA USA· Nov 25 – 28, 1965 | Nov 25 – 28, 1965 | Classical | 12 | 2160 | 10 |
Palma de Mallorca Palma de Majorca ESP· Nov 15 – 23, 1965 | Nov 15 – 23, 1965 | Classical | 8 | 2234 | 13 |
Mission Bay Open San Diego, CA USA· Nov 19 – 21, 1965 | Nov 19 – 21, 1965 | Classical | 6 | 2520 | 5 |
| DenmarkDenmark· Nov 21, 1965 | Nov 21, 1965 | Classical | 16 | 2019 | 8 |
Candidats final Tbilisi GEO· Nov 19, 1965 | Nov 19, 1965 | Classical | 3 | 1473 | 9 |
Pardubice Pardubice CZE· Oct 24 – Nov 13, 1965 | Oct 24 – Nov 13, 1965 | Classical | 18 | 1896 | 140 |
| DDR Ch womenAnnaberg-Buchholz· Oct 25 – Nov 10, 1965 | Oct 25 – Nov 10, 1965 | Classical | 11 | 1969 | 51 |
URS-ch33 Tallinn EST URS-ch33 Tallinn EST· 1965 | 1965 | Classical | 12 | 2088 | 12 |
| Tallinn ch-URSTallinn ch-URS· 1965 | 1965 | Classical | 23 | 2072 | 161 |
CSR Ch Pardubice CZE· Oct 30, 1965 | Oct 30, 1965 | Classical | 13 | 1835 | 10 |
| Central California OpenSacramento· Oct 22 – 24, 1965 | Oct 22 – 24, 1965 | Classical | 6 | 2164 | 5 |
Quebec Open Montreal CAN· Oct 9 – 11, 1965 | Oct 9 – 11, 1965 | Classical | 16 | 1787 | 12 |
Zinnowitz 02nd Zinnowitz GER· Sep 21 – Oct 8, 1965 | Sep 21 – Oct 8, 1965 | Classical | 14 | 2341 | 42 |
DDR Ch 15th Annaberg-Buchholz GER· 1965 | 1965 | Classical | 4 | 2454 | 5 |
FRG Ch Bad Aibling GER FRG-ch Bad Aibling GER· 1965 | 1965 | Classical | 9 | 2358 | 5 |
| FRG Ch Bad AiblingFRG-ch Bad Aibling· 1965 | 1965 | Classical | 14 | 2315 | 34 |
FRG Ch 08th Bad Aibling GER· 1965 | 1965 | Classical | 12 | 2320 | 27 |
FRG Ch Bad Aibling GER· 1965 | 1965 | Classical | 17 | 2302 | 40 |
GDR Ch Annaberg-Buchholz GER· 1965 | 1965 | Classical | 17 | 2310 | 125 |
| The Hague ch-NLDThe Hague ch-NLD· Sep 14, 1965 | Sep 14, 1965 | Classical | 10 | 2092 | 10 |
| OpenFresno, CA· Sep 4 – 6, 1965 | Sep 4 – 6, 1965 | Classical | 15 | 1896 | 11 |
Ontario Closed Toronto CAN· Sep 3 – 6, 1965 | Sep 3 – 6, 1965 | Classical | 6 | 1564 | 5 |
XXVI C.to Italiano Firenze ITA· Aug 28 – Sep 5, 1965 | Aug 28 – Sep 5, 1965 | Classical | 7 | 2045 | 6 |
C.to Italiano Semifinale Firenze ITA· Aug 26 – Sep 5, 1965 | Aug 26 – Sep 5, 1965 | Classical | 13 | 1980 | 13 |
Varna Varna BUL· 1965 | 1965 | Classical | 9 | 2325 | 5 |
Yerevan it Erevan ARM· 1965 | 1965 | Classical | 10 | 2022 | 10 |
Erevan Erevan ARM· 1965 | 1965 | Classical | 10 | 2197 | 6 |
Zinnowitz GER Zinnowitz GER· 1965 | 1965 | Classical | 14 | 2404 | 30 |
Yerevan Erevan ARM· 1965 | 1965 | Classical | 17 | 2069 | 76 |
It Zinnowitz GER It Zinnowitz GER· 1965 | 1965 | Classical | 16 | 2404 | 37 |