WLS-ch1980 Cardiff WLS· Dec 30 – 31, 1979 | Dec 30 – 31, 1979 | Classical | 6 | 2263 | 5 |
CAN Ch U20 1979-80 Saskatoon CAN· Dec 31, 1979 | Dec 31, 1979 | Classical | 12 | 2044 | 12 |
Reggio Emilia Reggio Emilia ITA· Dec 28 – 31, 1979 | Dec 28 – 31, 1979 | Classical | 13 | 2428 | 17 |
Reggio Emilia 7980 22nd Reggio Emilia ITA· Dec 27 – 31, 1979 | Dec 27 – 31, 1979 | Classical | 14 | 2379 | 30 |
Reggio Emilia ITA Reggio Emilia ITA· Dec 28 – 31, 1979 | Dec 28 – 31, 1979 | Classical | 14 | 2411 | 32 |
| AUS ChAdelaide ch-Australia· Dec 28 – 30, 1979 | Dec 28 – 30, 1979 | Classical | 6 | 2214 | 5 |
AUS Ch Adelaide AUS· Dec 27 – 30, 1979 | Dec 27 – 30, 1979 | Classical | 36 | 2194 | 57 |
| Solihull Club Championship· Feb 8 – Dec 20, 1979 | Feb 8 – Dec 20, 1979 | Classical | 8 | 2280 | 8 |
Hungary Ch Budapest HUN· Dec 3 – 16, 1979 | Dec 3 – 16, 1979 | Classical | 8 | 2449 | 19 |
| Hungary ChHungary ch· Dec 2 – 14, 1979 | Dec 2 – 14, 1979 | Classical | 17 | 2309 | 89 |
| Montreal CN ChMontreal CN ch· Sep 28 – Dec 13, 1979 | Sep 28 – Dec 13, 1979 | Classical | 9 | 1307 | 8 |
HUN Ch Budapest HUN· Dec 7 – 13, 1979 | Dec 7 – 13, 1979 | Classical | 14 | 2341 | 16 |
Schacknytts Jubileumsturnering Malmo SWE· Nov 26 – Dec 7, 1979 | Nov 26 – Dec 7, 1979 | Classical | 12 | 2437 | 49 |
Schacknytts Jubilee Malmo SWE· Nov 26 – Dec 4, 1979 | Nov 26 – Dec 4, 1979 | Classical | 8 | 2432 | 8 |
CSR Ch Trencianske Teplice SVK· Nov 17 – Dec 4, 1979 | Nov 17 – Dec 4, 1979 | Classical | 17 | 2448 | 87 |
Hradec Kralove Hradec Kralove CZE· 1979 | 1979 | Classical | 7 | 2428 | 9 |
URS-ch47 Minsk BLR· 1979 | 1979 | Classical | 21 | 2443 | 43 |
It Brighton ENG It Brighton ENG· 1979 | 1979 | Classical | 8 | 2338 | 6 |
Brighton Brighton ENG· 1979 | 1979 | Classical | 10 | 2338 | 32 |
| Minsk ch-URSMinsk ch-URS· 1979 | 1979 | Classical | 24 | 2451 | 186 |
BKL-Turnier Leipzig GER· 1979 | 1979 | Classical | 11 | 2258 | 19 |
Hastings7980 Hastings ENG· 1979 | 1979 | Classical | 18 | 2482 | 130 |
Brighton International 1st Brighton ENG· 1979 | 1979 | Classical | 8 | 2348 | 7 |
Asian Team Ch sf Singapore SIN· Nov 27 – 28, 1979 | Nov 27 – 28, 1979 | Classical | 52 | 2212 | 31 |
| L.E.R.A. Thanksgiving ClassSunnyvale· Nov 23 – 25, 1979 | Nov 23 – 25, 1979 | Classical | 7 | 1879 | 6 |
Bad Lauterberg Bad Lauterberg GER· Nov 23, 1979 | Nov 23, 1979 | Classical | 6 | 2554 | 6 |
Trencianske Teplice Trencianske Teplice SVK· Nov 22, 1979 | Nov 22, 1979 | Classical | 17 | 2456 | 40 |
Athens Athens GRE· Feb 9 – Nov 20, 1979 | Feb 9 – Nov 20, 1979 | Classical | 20 | 1835 | 12 |
| 1. division 1979-80· Nov 17 – 18, 1979 | Nov 17 – 18, 1979 | Classical | 17 | 2149 | 10 |
| GermanyGermany West· Oct 14 – Nov 14, 1979 | Oct 14 – Nov 14, 1979 | Classical | 14 | 2293 | 8 |
| BL2-West 7980Germany West· Oct 14 – Nov 14, 1979 | Oct 14 – Nov 14, 1979 | Classical | 10 | 2280 | 6 |
| Remembrance Day Open 3rdNanaimo· Nov 10 – 12, 1979 | Nov 10 – 12, 1979 | Classical | 9 | 2035 | 6 |
| NanaimoNanaimo· Feb 28 – Nov 12, 1979 | Feb 28 – Nov 12, 1979 | Classical | 10 | 1997 | 6 |
Nis Nis SRB· Oct 31 – Nov 12, 1979 | Oct 31 – Nov 12, 1979 | Classical | 14 | 2419 | 77 |
Nis YUG Nis SRB· Nov 2 – 11, 1979 | Nov 2 – 11, 1979 | Classical | 7 | 2377 | 5 |
Montreal Montreal CAN· Apr 11 – Nov 11, 1979 | Apr 11 – Nov 11, 1979 | Classical | 40 | 2345 | 145 |
Nice Nice FRA· Nov 2 – 9, 1979 | Nov 2 – 9, 1979 | Classical | 8 | 2464 | 10 |
Kecskemet Kecskemet HUN Kecskemet Kecskemet HUN· Jun 16 – Nov 9, 1979 | Jun 16 – Nov 9, 1979 | Classical | 27 | 2179 | 73 |
Regency Masters B Ramsgate ENG· Oct 30 – Nov 8, 1979 | Oct 30 – Nov 8, 1979 | Classical | 10 | 2356 | 25 |
Halle (Women) 13th Halle GER· Nov 4 – 8, 1979 | Nov 4 – 8, 1979 | Classical | 12 | 2020 | 65 |
| Lancaster Club ChampionshipLancaster· Jan 12 – Nov 6, 1979 | Jan 12 – Nov 6, 1979 | Classical | 8 | 1894 | 7 |
ITA Ch Venice ITA· Oct 21 – Nov 4, 1979 | Oct 21 – Nov 4, 1979 | Classical | 12 | 2252 | 17 |
| ITA-ch39 Venezia LidITA-ch39 Venezia Lid· Oct 21 – Nov 4, 1979 | Oct 21 – Nov 4, 1979 | Classical | 14 | 2240 | 64 |
Clarin Buenos Aires ARG Clarin Buenos Aires ARG· 1979 | 1979 | Classical | 7 | 2524 | 5 |
CLA Buenos Aires ARG· 1979 | 1979 | Classical | 8 | 2555 | 5 |
American Continental Buenos Aires ARG· 1979 | 1979 | Classical | 8 | 2464 | 7 |
Tilburg Tilburg NED· 1979 | 1979 | Classical | 17 | 2605 | 34 |
Interpolis Tilburg NED· 1979 | 1979 | Classical | 21 | 2612 | 91 |
Clarin Buenos Aires ARG· 1979 | 1979 | Classical | 16 | 2513 | 106 |
| Regency Masters B, RamsgateRegency Masters B, Ramsgate· Oct 30, 1979 | Oct 30, 1979 | Classical | 8 | 2355 | 8 |