Dortmund Dortmund GER· 1978 | 1978 | Classical | 12 | 2325 | 73 |
| Lone Pine OpenLone Pine open· 1978 | 1978 | Classical | 72 | 2413 | 282 |
| OWL ChBorgholzhausen· 1978 | 1978 | Classical | 12 | 2185 | 59 |
| FRG Ch Bad NeuenahrFRG-ch Bad Neuenahr· 1978 | 1978 | Classical | 24 | 2311 | 103 |
| Midland Open· Mar 23 – 31, 1978 | Mar 23 – 31, 1978 | Classical | 11 | 2026 | 10 |
| Aaronson Masters 1stLonden open· Mar 24 – 29, 1978 | Mar 24 – 29, 1978 | Classical | 33 | 2331 | 30 |
Aaronson Masters 1st London ENG· Mar 23 – 28, 1978 | Mar 23 – 28, 1978 | Classical | 13 | 2321 | 9 |
Easter/Paques Open Montreal CAN· Mar 24 – 26, 1978 | Mar 24 – 26, 1978 | Classical | 21 | 2021 | 22 |
Toronto Open Toronto CAN· Mar 24 – 26, 1978 | Mar 24 – 26, 1978 | Classical | 11 | 2081 | 9 |
| London ENG· Mar 24, 1978 | Mar 24, 1978 | Classical | 11 | 2308 | 6 |
| Varsity Oxford-CambridgeRAC Club, London· Mar 18, 1978 | Mar 18, 1978 | Classical | 12 | 2193 | 6 |
Bucharest Bucharest ROU· Mar 10 – 17, 1978 | Mar 10 – 17, 1978 | Classical | 17 | 2400 | 129 |
| HorsensHorsens· Mar 7 – 16, 1978 | Mar 7 – 16, 1978 | Classical | 56 | 2072 | 108 |
Bugojno Bugojno BIH· Feb 26 – Mar 16, 1978 | Feb 26 – Mar 16, 1978 | Classical | 23 | 2556 | 184 |
| 1. division 1977-78· Feb 26 – Mar 12, 1978 | Feb 26 – Mar 12, 1978 | Classical | 17 | 2206 | 12 |
Kerrisdale Open Vancouver BC CAN· Mar 4 – 5, 1978 | Mar 4 – 5, 1978 | Classical | 8 | 1866 | 6 |
UKR Ch Yalta UKR· 1978 | 1978 | Classical | 13 | 2381 | 19 |
Alicante Alicante ESP· 1978 | 1978 | Classical | 18 | 2339 | 76 |
Montreal Montreal CAN· Feb 11 – 12, 1978 | Feb 11 – 12, 1978 | Classical | 26 | 2185 | 16 |
Hiver/Winter Open Montreal CAN· Feb 10 – 12, 1978 | Feb 10 – 12, 1978 | Classical | 17 | 2156 | 14 |
YUG Ch Belgrade SRB· Jan 20 – Feb 11, 1978 | Jan 20 – Feb 11, 1978 | Classical | 20 | 2488 | 141 |
Yugoslavia Belgrade SRB· Jan 20 – Feb 10, 1978 | Jan 20 – Feb 10, 1978 | Classical | 18 | 2493 | 25 |
| YugoslaviaYugoslavia· Jan 20 – Feb 10, 1978 | Jan 20 – Feb 10, 1978 | Classical | 49 | 2391 | 63 |
Vancouver Island Open Nanaimo CAN· Feb 4 – 5, 1978 | Feb 4 – 5, 1978 | Classical | 9 | 2043 | 6 |
Helsinki Ch Helsinki FIN· Jan 16 – Feb 4, 1978 | Jan 16 – Feb 4, 1978 | Classical | 11 | 2258 | 55 |
| DDR Ch 27. Eggesin/TorgelowDDR-ch 27th Eggesin/Torgelow· 1978 | 1978 | Classical | 7 | 2324 | 6 |
Bugojno BIH Bugojno BIH· 1978 | 1978 | Classical | 7 | 2575 | 5 |
| DDR Ch 27thEggesin/Torgelow· 1978 | 1978 | Classical | 15 | 2335 | 68 |
| BRA Ch U18Vacaria· 1978 | 1978 | Classical | 12 | 2155 | 36 |
Toronto Closed Toronto CAN· 1978 | 1978 | Classical | 8 | 2186 | 7 |
Beersheba Beer Sheba ISR· 1978 | 1978 | Classical | 15 | 2457 | 26 |
Reykjavik Reykjavik ISL· 1978 | 1978 | Classical | 16 | 2460 | 62 |
Beer Sheva Beer Sheba ISR· 1978 | 1978 | Classical | 14 | 2441 | 79 |
GDR Ch Eggesin GER· 1978 | 1978 | Classical | 14 | 2318 | 29 |
Reykjavik ISL Reykjavik ISL· 1978 | 1978 | Classical | 24 | 2323 | 29 |
Reykjavik Reykjavik ISL Reykjavik Reykjavik ISL· 1978 | 1978 | Classical | 14 | 2451 | 39 |
Hoogovens Wijk aan Zee NED· Jan 25 – 30, 1978 | Jan 25 – 30, 1978 | Classical | 17 | 2578 | 88 |
Abbotsford Open Abbotsford CAN· Jan 14 – 15, 1978 | Jan 14 – 15, 1978 | Classical | 7 | 1921 | 6 |
Perth Perth AUS· Jan 3 – 13, 1978 | Jan 3 – 13, 1978 | Classical | 16 | 2140 | 18 |
AUS Ch Perth AUS· Jan 3 – 13, 1978 | Jan 3 – 13, 1978 | Classical | 29 | 2138 | 54 |
Kringsja Oslo NOR· Jan 6 – 12, 1978 | Jan 6 – 12, 1978 | Classical | 23 | 2286 | 84 |
Sokolsky Memorial Minsk BLR· Jan 8, 1978 | Jan 8, 1978 | Classical | 16 | 2425 | 19 |
Memorial A. Sokolsky Minsk BLR· Jan 8, 1978 | Jan 8, 1978 | Classical | 11 | 2472 | 10 |
Hastings Challengers 1977/78 Hastings ENG· Jan 2 – 7, 1978 | Jan 2 – 7, 1978 | Classical | 15 | 2295 | 13 |
Hradec Kralove Hradec Kralove CZE· Jan 2 – 5, 1978 | Jan 2 – 5, 1978 | Classical | 17 | 2409 | 43 |
| Groningen ch-EU junior· Jan 5, 1978 | Jan 5, 1978 | Classical | 27 | 2228 | 74 |
Pasadena ch-USA Pasadena, CA USA· 1978 | 1978 | Classical | 14 | 2497 | 83 |
| 76 F176 F1· 1978 | 1978 | Classical | 6 | 2034 | 5 |
| Kiel Smisch MemorialKiel Smisch mem· 1978 | 1978 | Classical | 5 | 2239 | 5 |
| ViroviticaVirovitica· 1978 | 1978 | Classical | 11 | 2438 | 9 |