Tungsram Budapest HUN· 1977 | 1977 | Classical | 19 | 2346 | 53 |
| Montilla MorilesMontilla Moriles· 1977 | 1977 | Classical | 11 | 2406 | 55 |
BC Day Open Victoria CAN· Jul 30 – 31, 1977 | Jul 30 – 31, 1977 | Classical | 8 | 1897 | 7 |
| Budapest TungsramBudapest Tungsram· Jul 30 – 31, 1977 | Jul 30 – 31, 1977 | Classical | 20 | 2389 | 59 |
CAN-op Fredericton CAN· Jul 24 – 30, 1977 | Jul 24 – 30, 1977 | Classical | 14 | 2054 | 8 |
| CAN OpenFredericton· Jul 23 – 29, 1977 | Jul 23 – 29, 1977 | Classical | 7 | 2180 | 6 |
Budapest Budapest HUN· Jul 29, 1977 | Jul 29, 1977 | Classical | 23 | 2336 | 70 |
| AUT ChMoesern· Jun 18 – Jul 29, 1977 | Jun 18 – Jul 29, 1977 | Classical | 18 | 2228 | 141 |
SCO Ch Glasgow SCO· Jul 16 – 23, 1977 | Jul 16 – 23, 1977 | Classical | 16 | 2245 | 54 |
CSR Ch int Decin CZE· Jul 5 – 23, 1977 | Jul 5 – 23, 1977 | Classical | 18 | 2417 | 72 |
Decin Decin CZE· Jul 18 – 21, 1977 | Jul 18 – 21, 1977 | Classical | 37 | 2374 | 200 |
Biel Biel SUI· Jul 20, 1977 | Jul 20, 1977 | Classical | 29 | 2340 | 49 |
October Revolution 60 Leningrad RUS· Jun 25 – Jul 19, 1977 | Jun 25 – Jul 19, 1977 | Classical | 20 | 2548 | 183 |
Quebec Open Montreal CAN· Jul 10 – 17, 1977 | Jul 10 – 17, 1977 | Classical | 15 | 1889 | 12 |
Vancouver Island Open Nanaimo CAN· Apr 16 – Jul 17, 1977 | Apr 16 – Jul 17, 1977 | Classical | 12 | 2110 | 9 |
| Carlisle OpenCarlisle· Jul 9, 1977 | Jul 9, 1977 | Classical | 7 | 1742 | 6 |
Dortmund cs Dortmund GER· Jun 11 – Jul 7, 1977 | Jun 11 – Jul 7, 1977 | Classical | 2 | 2323 | 7 |
Puget Sound Congress - amat Seattle, WA USA· Jul 2 – 3, 1977 | Jul 2 – 3, 1977 | Classical | 8 | 1768 | 6 |
| PernikPernik· Jun 21 – Jul 2, 1977 | Jun 21 – Jul 2, 1977 | Classical | 14 | 2360 | 12 |
NED Ch Open Velp NED NED-ch open Velp NED· 1977 | 1977 | Classical | 9 | 2077 | 5 |
IBM II Amsterdam NED· 1977 | 1977 | Classical | 8 | 2418 | 6 |
Moscow RUS Moscow RUS· 1977 | 1977 | Classical | 14 | 2384 | 7 |
48. SWE Ch Stockholm SWE· 1977 | 1977 | Classical | 14 | 2337 | 18 |
| NovorossiiskNovorossiisk· 1977 | 1977 | Classical | 6 | 2193 | 5 |
| Candidats sf1Evian cm sf· 1977 | 1977 | Classical | 2 | 2633 | 9 |
IBM-B Amsterdam NED· 1977 | 1977 | Classical | 12 | 2394 | 57 |
Amsterdam m1 Amsterdam NED· 1977 | 1977 | Classical | 13 | 2505 | 17 |
| NED Ch OpenVelp· 1977 | 1977 | Classical | 9 | 2214 | 6 |
| BRA ChCuritiba· 1977 | 1977 | Classical | 13 | 2315 | 53 |
Candidats sf2 Geneva SUI· 1977 | 1977 | Classical | 3 | 2615 | 26 |
| Velp ch-NED Open· 1977 | 1977 | Classical | 54 | 2154 | 52 |
IBM Amsterdam NED· 1977 | 1977 | Classical | 21 | 2514 | 154 |
| IBMAmsterdam II· 1977 | 1977 | Classical | 13 | 2370 | 13 |
| SalgotarjanSalgotarjan· 1977 | 1977 | Classical | 16 | 2088 | 81 |
NED Ch Open Velp NED· 1977 | 1977 | Classical | 28 | 1983 | 16 |
Budapest HUN Budapest HUN· Jun 18 – 28, 1977 | Jun 18 – 28, 1977 | Classical | 28 | 2296 | 24 |
Netanya IM-A Netanya ISR· May 23 – Jun 26, 1977 | May 23 – Jun 26, 1977 | Classical | 11 | 2337 | 15 |
| Austria ChAustria ch· Jun 18 – 25, 1977 | Jun 18 – 25, 1977 | Classical | 8 | 2275 | 5 |
Paul Keres Memorial (2nd) Vancouver BC CAN· Jun 15, 1977 | Jun 15, 1977 | Classical | 9 | 2129 | 5 |
| Montreal Lasker mem.Montreal Lasker mem.· May 28 – Jun 12, 1977 | May 28 – Jun 12, 1977 | Classical | 6 | 1982 | 5 |
| Staffordshire Open· Jun 4 – 7, 1977 | Jun 4 – 7, 1977 | Classical | 7 | 1971 | 6 |
Netanya GM Netanya ISR· May 23 – Jun 4, 1977 | May 23 – Jun 4, 1977 | Classical | 12 | 2465 | 55 |
Netanya IM-B Netanya ISR· Apr 6 – Jun 3, 1977 | Apr 6 – Jun 3, 1977 | Classical | 10 | 2282 | 12 |
Netanya Netanya ISR· May 30, 1977 | May 30, 1977 | Classical | 6 | 2468 | 6 |
Las Palmas Las Palmas ESP· May 7 – 24, 1977 | May 7 – 24, 1977 | Classical | 25 | 2314 | 114 |
British Columbia Ch Vancouver BC CAN· May 21 – 23, 1977 | May 21 – 23, 1977 | Classical | 7 | 2176 | 7 |
Ontario Open Toronto CAN· May 21 – 23, 1977 | May 21 – 23, 1977 | Classical | 8 | 2078 | 7 |
Varna BUL Varna BUL· May 11 – 14, 1977 | May 11 – 14, 1977 | Classical | 17 | 2381 | 13 |
| BalasihaBalashiha· May 3 – 14, 1977 | May 3 – 14, 1977 | Classical | 8 | 2448 | 7 |
| SnekkerstenSnekkersten· May 14, 1977 | May 14, 1977 | Classical | 8 | 2187 | 25 |