Slater Young Masters Hastings ENG· Apr 9 – 17, 1971 | Apr 9 – 17, 1971 | Classical | 10 | 2326 | 32 |
Slater Masters junior Hastings ENG· Apr 9 – 16, 1971 | Apr 9 – 16, 1971 | Classical | 9 | 2299 | 11 |
Hammersmith Open London ENG· Apr 9 – 12, 1971 | Apr 9 – 12, 1971 | Classical | 6 | 2154 | 5 |
WECU-ch26 Bristol ENG· Apr 8 – 12, 1971 | Apr 8 – 12, 1971 | Classical | 19 | 2023 | 20 |
Mar del Plata Open Mar del Plata ARG· Apr 3 – 11, 1971 | Apr 3 – 11, 1971 | Classical | 18 | 2304 | 16 |
29. Mar del Plata it Mar del Plata ARG· Mar 22 – Apr 10, 1971 | Mar 22 – Apr 10, 1971 | Classical | 18 | 2420 | 25 |
| ENG-BRD mCheltenham· Apr 3 – 4, 1971 | Apr 3 – 4, 1971 | Classical | 9 | 2454 | 7 |
Match ENG-FRG Cheltenham ENG· Apr 3 – 4, 1971 | Apr 3 – 4, 1971 | Classical | 12 | 2409 | 8 |
ISL Ch Reykjavik ISL· 1971 | 1971 | Classical | 6 | 2380 | 9 |
| Icelandic Chess ChamIcelandic Chess Cham· 1971 | 1971 | Classical | 8 | 2351 | 13 |
ISL Ch Reykjavik ISL ISL-ch Reykjavik ISL· 1971 | 1971 | Classical | 12 | 2342 | 41 |
Vrnjacka Banja Vrnjacka Banja SRB· 1971 | 1971 | Classical | 22 | 2411 | 40 |
| BC OpenRichmond· Mar 27 – 28, 1971 | Mar 27 – 28, 1971 | Classical | 8 | 2253 | 5 |
Mar del Plata Mar del Plata ARG· Mar 27, 1971 | Mar 27, 1971 | Classical | 19 | 2465 | 118 |
| Interclub match· Mar 26, 1971 | Mar 26, 1971 | Classical | 9 | 2167 | 5 |
| BC High School ChVancouver· Mar 20, 1971 | Mar 20, 1971 | Classical | 6 | 1880 | 6 |
| Lone Pine· Mar 18 – 20, 1971 | Mar 18 – 20, 1971 | Classical | 9 | 2085 | 6 |
Louis Statham Lone Pine, CA USA· Mar 14 – 19, 1971 | Mar 14 – 19, 1971 | Classical | 9 | 2316 | 8 |
Lone Pine Lone Pine, CA USA· Mar 14 – 18, 1971 | Mar 14 – 18, 1971 | Classical | 14 | 2269 | 10 |
Tallinn Tallinn EST· Feb 21 – Mar 13, 1971 | Feb 21 – Mar 13, 1971 | Classical | 24 | 2487 | 95 |
Tallinn Tallinn EST Tallinn Tallinn EST· Feb 21 – Mar 10, 1971 | Feb 21 – Mar 10, 1971 | Classical | 18 | 2514 | 73 |
Northwest Invitational Portland, OR USA· Mar 5 – 7, 1971 | Mar 5 – 7, 1971 | Classical | 8 | 2071 | 11 |
POL Ch 28th Poznan POL· Feb 15 – Mar 3, 1971 | Feb 15 – Mar 3, 1971 | Classical | 18 | 2319 | 138 |
Toronto Toronto CAN· 1971 | 1971 | Classical | 9 | 2428 | 7 |
Sarajevo 14th Sarajevo BIH· 1971 | 1971 | Classical | 14 | 2469 | 17 |
Toronto Closed Toronto CAN· 1971 | 1971 | Classical | 8 | 2251 | 9 |
Mar del Plata ARG Mar del Plata ARG· 1971 | 1971 | Classical | 14 | 2402 | 9 |
Sarajevo Sarajevo BIH Sarajevo Sarajevo BIH· 1971 | 1971 | Classical | 19 | 2466 | 86 |
Capablanca Memorial Havana CUB· 1971 | 1971 | Classical | 22 | 2432 | 142 |
Winter Open Montreal CAN· Feb 27 – 28, 1971 | Feb 27 – 28, 1971 | Classical | 16 | 1824 | 11 |
BUL Ch 24th Sofia BUL· Feb 2 – 24, 1971 | Feb 2 – 24, 1971 | Classical | 21 | 2359 | 175 |
| Strasbourg ch20-DDRStrasbourg ch20-DDR· Feb 15 – 23, 1971 | Feb 15 – 23, 1971 | Classical | 33 | 2187 | 172 |
| DDR Ch womenStrausberg· Feb 19, 1971 | Feb 19, 1971 | Classical | 14 | 2009 | 30 |
Malaga Malaga ESP· Feb 3 – 17, 1971 | Feb 3 – 17, 1971 | Classical | 20 | 2426 | 54 |
Poznan ch-POL Poznan ch-POL· Feb 16, 1971 | Feb 16, 1971 | Classical | 11 | 2326 | 12 |
Carnaval Quebec CAN· Feb 12 – 14, 1971 | Feb 12 – 14, 1971 | Classical | 19 | 1962 | 17 |
Burnaby Open Burnaby CAN· Feb 13 – 14, 1971 | Feb 13 – 14, 1971 | Classical | 12 | 2185 | 7 |
| DDR Ch 20thStrausberg· Feb 11, 1971 | Feb 11, 1971 | Classical | 17 | 2319 | 17 |
Hoogovens Wijk aan Zee NED· Jan 18 – 30, 1971 | Jan 18 – 30, 1971 | Classical | 26 | 2498 | 164 |
Hoogovens-B Wijk aan Zee NED· Jan 19 – 26, 1971 | Jan 19 – 26, 1971 | Classical | 20 | 2348 | 122 |
Wijk aan Zee II Wijk aan Zee NED· Jan 18, 1971 | Jan 18, 1971 | Classical | 8 | 2455 | 7 |
Hastings Challengers 1970/71 Hastings ENG· Jan 2 – 7, 1971 | Jan 2 – 7, 1971 | Classical | 19 | 2338 | 19 |
| Buesum U20Buesum· Jan 2 – 3, 1971 | Jan 2 – 3, 1971 | Classical | 18 | 2283 | 17 |
| USSRSoviet Union· 1971 | 1971 | Classical | 10 | 2497 | 5 |
| World Ch Candidates playoffPortoroz m izt plof· 1971 | 1971 | Classical | 2 | 2625 | 6 |
Candidats sf2 Moscow RUS· 1971 | 1971 | Classical | 2 | 2655 | 8 |
Candidats qf4 Seville ESP· 1971 | 1971 | Classical | 2 | 2615 | 6 |
Lublin Lublin POL· 1971 | 1971 | Classical | 9 | 2348 | 7 |
| CU ChampCU Champ· 1971 | 1971 | Classical | 6 | 1653 | 5 |
Moscow Ch Moscow RUS· 1971 | 1971 | Classical | 10 | 2238 | 5 |