| OHRAAmsterdam / Arnhem· 1983 | 1983 | Classical | 35 | 2442 | 61 |
Bagneux Open 17th Bagneux FRA· 1983 | 1983 | Classical | 22 | 2347 | 22 |
New York New York, NY USA· 1983 | 1983 | Classical | 35 | 2367 | 85 |
OHRA Open Arnhem/Amsterdam NED· 1983 | 1983 | Classical | 33 | 2439 | 131 |
Barcelona Barcelona ESP· Jun 27 – 30, 1983 | Jun 27 – 30, 1983 | Classical | 16 | 2179 | 16 |
EU Team Ch Plovdiv Plovdiv BUL· Jun 29, 1983 | Jun 29, 1983 | Classical | 72 | 2486 | 158 |
USA ch-U20 New York, NY USA· Jun 15 – 23, 1983 | Jun 15 – 23, 1983 | Classical | 10 | 2304 | 45 |
Seattle Seattle, WA USA· Mar 9 – Jun 17, 1983 | Mar 9 – Jun 17, 1983 | Classical | 22 | 2349 | 19 |
Yurmala Jurmala LAT· Jan 27 – Jun 14, 1983 | Jan 27 – Jun 14, 1983 | Classical | 18 | 2458 | 53 |
Jurmala Jurmala LAT· Jun 6 – 14, 1983 | Jun 6 – 14, 1983 | Classical | 16 | 2444 | 56 |
Tournoi de l'Est 5 Montreal CAN· Jun 10 – 12, 1983 | Jun 10 – 12, 1983 | Classical | 7 | 1856 | 6 |
RA Class Ottawa CAN· Jun 11 – 12, 1983 | Jun 11 – 12, 1983 | Classical | 6 | 1955 | 5 |
It (cat.10) Yurmala LAT It (cat.10) Yurmala LAT· Jun 5 – 10, 1983 | Jun 5 – 10, 1983 | Classical | 10 | 2336 | 12 |
| Plovdiv etcPlovdiv etc· 1983 | 1983 | Classical | 53 | 2424 | 51 |
| Kamen Piskov Memorial 3rdRuse· 1983 | 1983 | Classical | 14 | 2287 | 78 |
| EU Team Ch PlovdivPlovdiv etc· 1983 | 1983 | Classical | 75 | 2456 | 154 |
Victoria Day Open Scarborough CAN· May 21 – 23, 1983 | May 21 – 23, 1983 | Classical | 7 | 1977 | 6 |
| Keres Memorial 8thRichmond· May 21 – 23, 1983 | May 21 – 23, 1983 | Classical | 6 | 2133 | 5 |
Paul Keres Memorial (8th) Vancouver BC CAN· May 21 – 23, 1983 | May 21 – 23, 1983 | Classical | 11 | 2085 | 8 |
Printanier/Spring Open Montreal CAN· May 21 – 23, 1983 | May 21 – 23, 1983 | Classical | 8 | 1989 | 7 |
| Valby SKValby· May 12 – 23, 1983 | May 12 – 23, 1983 | Classical | 10 | 2331 | 36 |
Copenhagen DEN Copenhagen DEN· May 22, 1983 | May 22, 1983 | Classical | 31 | 2076 | 28 |
| Trenton, Mich.Trenton, Mich.· Feb 20 – May 15, 1983 | Feb 20 – May 15, 1983 | Classical | 5 | 1866 | 5 |
Tournoi de l'Est 4 Montreal CAN· May 13 – 15, 1983 | May 13 – 15, 1983 | Classical | 13 | 1952 | 12 |
Lux Time Cup Aarhus DEN· May 2 – 14, 1983 | May 2 – 14, 1983 | Classical | 13 | 2353 | 22 |
Aarhus Aarhus DEN· May 2 – 13, 1983 | May 2 – 13, 1983 | Classical | 45 | 2163 | 64 |
| 1983 ChCyprus· Feb 20 – May 11, 1983 | Feb 20 – May 11, 1983 | Classical | 13 | 1953 | 12 |
Quebec Ch qual. 2 Montreal CAN· May 6 – 8, 1983 | May 6 – 8, 1983 | Classical | 10 | 1952 | 8 |
Bundesliga 8283 GER· Jan 8 – May 8, 1983 | Jan 8 – May 8, 1983 | Classical | 70 | 2319 | 57 |
NWC May Open Seattle, WA USA· 1983 | 1983 | Classical | 24 | 2307 | 19 |
| So PauloSo Paulo· 1983 | 1983 | Classical | 8 | 2310 | 8 |
Varna 22nd Varna BUL· 1983 | 1983 | Classical | 14 | 2369 | 40 |
BRA Ch 50. Sao Paulo BRA BRA-ch 50th Sao Paulo BRA· 1983 | 1983 | Classical | 13 | 2322 | 29 |
BRA Ch 50th Sao Paulo BRA· 1983 | 1983 | Classical | 18 | 2315 | 90 |
Capablanca mem-B Cienfuegos City CUB· 1983 | 1983 | Classical | 12 | 2440 | 57 |
Capablanca mem-A Cienfuegos City CUB· 1983 | 1983 | Classical | 13 | 2401 | 53 |
| KlaipedaKlaipeda· 1983 | 1983 | Classical | 18 | 2313 | 63 |
50. USSR Ch. Final 1983 Moscow RUS· Apr 4 – 25, 1983 | Apr 4 – 25, 1983 | Classical | 18 | 2436 | 19 |
URS-ch50 Moscow RUS· Apr 21 – 25, 1983 | Apr 21 – 25, 1983 | Classical | 18 | 2553 | 38 |
Marshall Int 6th New York, NY USA· Apr 8 – 18, 1983 | Apr 8 – 18, 1983 | Classical | 10 | 2362 | 8 |
| Team Championship A Categorie· Mar 6 – Apr 17, 1983 | Mar 6 – Apr 17, 1983 | Classical | 6 | 2253 | 5 |
| Charlton Jubilee International· Apr 6 – 15, 1983 | Apr 6 – 15, 1983 | Classical | 25 | 2220 | 25 |
It Charlton Jubilee Charlton ENG· Apr 6 – 15, 1983 | Apr 6 – 15, 1983 | Classical | 29 | 2282 | 67 |
New York USA New York, NY USA· Apr 12, 1983 | Apr 12, 1983 | Classical | 20 | 2408 | 28 |
| BuehlBuehl· Apr 2 – 9, 1983 | Apr 2 – 9, 1983 | Classical | 25 | 2113 | 15 |
| Baden Ch MABuehl· Apr 3 – 8, 1983 | Apr 3 – 8, 1983 | Classical | 18 | 2266 | 40 |
| Buehl GER ch-Baden 'Buehl GER ch-Baden '· Apr 5, 1983 | Apr 5, 1983 | Classical | 8 | 2244 | 9 |
| BC Easter OpenVancouver· Apr 2 – 4, 1983 | Apr 2 – 4, 1983 | Classical | 8 | 1739 | 6 |
Quebec Ch intercoll. Sainte-Foy CAN· Apr 2 – 3, 1983 | Apr 2 – 3, 1983 | Classical | 9 | 1640 | 7 |
Toronto Open Toronto CAN· Apr 2 – 3, 1983 | Apr 2 – 3, 1983 | Classical | 17 | 2113 | 15 |