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Top 10 active players as of September 30, 1982


Top 500 active players as of September 30, 1982

  #  

Player Rating +/- Best? 75%? Age
1 Kasparov, Garry K27675036.0% #519.46
2 Karpov, Anatoly E27624830.1% #531.35
3 Korchnoi, Viktor L2720498.3% #1351.52
4 Beliavsky, Alexander G2702494.4% #1828.79
5 Tal, Mikhail2692492.6% #2245.89
6 Portisch, Lajos2685481.9% #2545.49
7 Romanishin, Oleg M2682491.9% #2630.72
8 Psakhis, Lev B2677501.6% #2823.84
9 Petrosian, Tigran V2675501.4% #3053.29
10 Polugaevsky, Lev A2674501.4% #3047.86
11 Andersson, Ulf2672471.1% #3131.26
12 Spassky, Boris V2672491.2% #3145.67
13 Timman, Jan H2666470.7% #3430.79
14 Ljubojevic, Ljubomir2660490.6% #3831.91
15 Smyslov, Vassily V2655510.6% #4261.52
16 Dolmatov, Sergey V2653500.5% #4223.61
17 Gulko, Boris F2653520.6% #4435.64
18 Tseshkovsky, Vitaly V2650490.4% #4438.01
19 Ribli, Zoltán2649500.4% #4531.06
20 Hort, Vlastimil2649480.3% #4438.72
21 Hübner, Robert2648490.3% #4533.90
22 Vaganian, Rafael A2635500.2% #5530.95
23 Balashov, Yury S2632490.1% #5733.55
24 Geller, Efim P2630500.2% #5957.58
25 Sosonko, Gennadi2628490.1% #6039.37
26 Tukmakov, Vladimir B2623520.2% #6636.54
27 Lerner, Konstantin Z2619580.2% #7232.59
28 Bronstein, David I2619540.1% #7058.61
29 Dorfman, Iosif D2617510.1% #7130.41
30 Jussupow, Artur M261350 #7322.63
31 Seirawan, Yasser261150 #7522.52
32 Larsen, Bent260949 #7647.57
33 Gorelov, Sergey G2609580.1% #8225.12
34 Kovacevic, Vladimir2609540.1% #8040.51
35 Nunn, John D M260449 #8127.43
36 Sax, Gyula260449 #8131.28
37 Razuvaev, Yury S260352 #8436.96
38 Kavalek, Lubomir260350 #8239.14
39 Kholmov, Ratmir D2603670.3% #9457.38
40 Miles, Anthony J260248 #8227.44
41 Kupreichik, Viktor D260050 #8633.24
42 Rashkovsky, Nukhim N259852 #8936.45
43 Alburt, Lev O2598540.1% #9137.11
44 Agzamov, Georgy T259453 #9328.06
45 Makarichev, Sergey Y259352 #9428.87
46 Gipslis, Aivars2591610.1% #10145.64
47 Sveshnikov, Evgeny E259051 #9632.63
48 Palatnik, Semen A2590620.1% #10332.51
49 Taimanov, Mark E258957 #10156.65
50 Gheorghiu, Florin258949 #9638.48
51 Vitolinš, Alvis2588610.1% #10436.29
52 Ivanov, Igor V2588590.1% #10335.73
53 Kuzmin, Gennady P258751 #9836.70
54 Chernin, Alexander M2586600.1% #10622.56
55 Dzindzichashvili, Roman Y258358 #10838.40
56 Averbakh, Yury L2582630.1% #11260.64
57 Vasiukov, Evgeny A258153 #10649.57
58 Mikhalchishin, Adrian B258052 #10627.87
59 Eingorn, Viacheslav S2579750.3% #12325.85
60 Ftácnik, Lubomír257850 #10824.91
61 Kochiev, Alexander257761 #11526.51
62 Browne, Walter S257749 #10833.72
63 Panchenko, Alexander N257654 #11228.98
64 Gufeld, Eduard E257653 #11146.53
65 Parma, Bruno257558 #11540.75
66 Lputian, Smbat G257355 #11524.63
67 Kremenetsky, Anatoly M257159 #12143.71
68 Smejkal, Jan257051 #11536.52
69 Veingold, Aleksander2570680.1% #12828.96
70 Gligoric, Svetozar257052 #11759.66
71 Georgadze, Tamaz V256753 #12034.89
72 Gurgenidze, Bukhuti I256663 #12848.88
73 Bagirov, Vladimir K256652 #12146.12
74 Suba, Mihai256551 #12035.33
75 Speelman, Jonathan S256551 #12125.99
76 Savon, Vladimir A256553 #12242.01
77 Evans, Larry M2564730.1% #13750.52
78 Didishko, Vereslav256258 #12933.47
79 Kurajica, Bojan256150 #12534.87
80 Yurtaev, Leonid2560730.1% #14123.41
81 Vorotnikov, Vladislav V255965 #13635.12
82 Knaak, Rainer F255950 #12729.54
83 Tarjan, James E255860 #13430.61
84 Stean, Michael F255851 #12829.07
85 Murey, Yakov255854 #13041.16
86 Petrosian, Arshak B255755 #13228.79
87 Pintér, József255651 #12928.89
88 Nemet, Ivan2555680.1% #14239.46
89 Lein, Anatoly255451 #13251.51
90 Christiansen, Larry M255449 #13126.26
91 Vyzmanavin, Alexey2552730.1% #14622.74
92 Adorján, András255250 #13332.50
93 Torre, Eugenio255250 #13430.90
94 Timoshchenko, Gennady255155 #13733.42
95 Vogt, Lothar H254949 #13530.70
96 Pachmann, Ludek2546750.1% #15458.38
97 Najdorf, Miguel254654 #14172.46
98 Byrne, Robert E254556 #14254.44
99 Simic, Radoslav254556 #14334.31
100 Yudasin, Leonid G254354 #14423.14
101 Velimirovic, Dragoljub254251 40.38
102 Sturua, Zurab254159 23.31
103 Uhlmann, Wolfgang253849 47.50
104 Panno, Oscar R253755 47.54
105 Lombardy, William J253766 44.82
106 Ivanovic, Božidar253750 36.10
107 Chekhov, Valery A253754 26.84
108 Mokrý, Karel253659 23.65
109 Anikaev, Yury253655 34.25
110 Liberzon, Vladimir M253555 45.52
111 Tseitlin, Mikhail S253458 35.29
112 Ivkov, Borislav253450 48.88
113 Nei, Iivo253368 50.91
114 Grigorian, Karen A253258 35.06
115 Abramovic, Boško253252 31.63
116 Nikolac, Juraj253070 50.44
117 Nikolic, Predrag253052 22.05
118 Gavrikov, Victor N252954 25.17
119 Pfleger, Helmut252958 39.15
120 Kharitonov, Andrey Y252957 23.49
121 Chandler, Murray G252849 22.49
122 Nikolic, Zivoslav252855 28.80
123 Matulovic, Milan252854 47.30
124 Azmaiparashvili, Zurab A252760 22.54
125 Ivanov, Alexander V252668 26.41
126 Eolian, Levon S252563 23.04
127 Vladimirov, Evgeny Y252558 25.69
128 Keene, Raymond252552
129 Csom, István252449 42.33
130 Faragó, Iván252449 36.49
131 Řgaard, Leif252458 30.73
132 Stoica, Valentin252361 32.62
133 Suetin, Alexey S252354 55.87
134 Darga, Klaus V252268 48.60
135 Cebalo, Mišo252252 37.65
136 Olafsson, Fridrik252159 47.68
137 Bukic, Enver252156 44.83
138 Shamkovich, Leonid A252053 59.33
139 van der Wiel, John T H252050 23.14
140 Ree, Hans252050 38.04
141 Bönsch, Uwe251952 23.95
142 Barua, Dibyendu251869 15.92
143 Kengis, Edvins251862 23.47
144 Lukin, Andrei M251870 34.09
145 Reshevsky, Samuel H251759 70.84
146 Karlsson, Lars251650 27.22
147 Vukic, Milan251554 39.11
148 Thipsay, Praveen Mahadeo251567 23.13
149 Sokolov, Andrey Y251360 19.53
150 Unzicker, Wolfgang251354 57.26
151 Lukacs, Peter251151 32.22
152 Lechtynsky, Jiri250952 34.85
153 Magerramov, Elmar S250965 24.47
154 Henley, Ron W250655 25.82
155 Tringov, Georgy P250653 45.56
156 Hulak, Krunoslav250653 31.35
157 Kakageldyev, Amanmurad250570 32.76
158 García Gonzáles, Guillermo250554 28.81
159 Andrianov, Nikolai250557 20.78
160 Díez del Corral, Jesús250467 49.48
161 Todorcevic, Miodrag250466 41.89
162 Marovic, Dražen250261 44.71
163 Biyiasas, Peter250261 31.86
164 Osnos, Viacheslav V250064 47.18
165 Karner, Hillar250070 47.17
166 Quinteros, Miguel A249852 34.76
167 Bilek, István249763 50.13
168 Vera, Reynaldo249758 21.73
169 Klovans, Janis249765 47.47
170 Meduna, Eduard249749 32.05
171 deFirmian, Nicholas E249753 25.18
172 Lutikov, Anatoly S249662 49.65
173 Benko, Pal C249660 54.21
174 Radulov, Ivan249550 43.73
175 Szabó, László249562 65.53
176 Malich, Burkhard G249157 45.84
177 Salov, Valery B249169 18.34
178 Lobron, Eric248952 22.40
179 Mestel, A Jonathan248950 25.55
180 Matanovic, Aleksandar248957 52.35
181 Knezevic, Milorad248953 45.91
182 Marjanovic, Slavoljub248951 27.73
183 Djuric, Stefan248956 27.18
184 Velikov, Petar248850 31.50
185 Mnatsakanian, Eduard A248860 43.81
186 Ermenkov, Evgenij248752 33.00
187 Schneider, Lars Ake248753
188 Jansa, Vlastimil248649 39.84
189 Ligterink, Gert248653 32.87
190 Cámpora, Daniel H248661 25.25
191 Ubilava, Elizbar E248563 32.09
192 Kudrin, Sergey248558 23.06
193 Sigurjónsson, Gudmundur248552 35.01
194 Popov, Luben248553 46.67
195 Smagin, Sergey248462 24.06
196 Schmidt, Wlodzimierz248251 39.47
197 Kalinitschew, Sergey248165 26.66
198 Zaitsev, Igor A248055 44.34
199 Espig, Lutz248051 33.73
200 Petrushin, Alexander I248068 35.55
201 Kogan, Boris247962
202 Gobet, Fernand247967 20.63
203 Zarubin, O.247967
204 Rogulj, Branko247961 31.16
205 Spassov, Liuben247950 39.52
206 Grefe, John A247870 35.06
207 Calvo Minguez, Ricardo247874 38.93
208 Georgiev, Krum247751 24.35
209 Yermolinsky, Alex V247660 24.47
210 Plachetka, Jan247650 37.62
211 Groszpeter, Attila247653 22.31
212 Barczay, Laszlo247652 46.61
213 Zaltsman, Vitaly F247561 40.92
214 Rodriguez, Amador247553 26.06
215 Mochalov, Evgeny V247461 30.91
216 Wedberg, Tom247452 28.84
217 Sahovic, Dragutin247355 42.14
218 Ekstroem, Roland247375 26.36
219 Peters, John A247159 31.64
220 Inkiov, Ventzislav247150 26.36
221 Hazai, Laszlo246953 29.29
222 Cherepkov, Alexander V246868 61.91
223 Ostermeyer, Peter246858 38.96
224 Dely, Peter246762 48.23
225 Popovic, Petar246751 23.63
226 Chiburdanidze, Maia G246755 21.70
227 Enklaar, Bertus F246768
228 Kraidman, Yair246666 49.91
229 Buturin, Vladimir246673 38.86
230 Mariotti, Sergio246554 36.14
231 Mortensen, Erling246553 27.48
232 Ciocaltea, Victor246552 50.70
233 Sunye Neto, Jaime246452 25.41
234 Bleiman, Yaacov246475 35.06
235 Pribyl, Josef246451 34.96
236 Szmetan, Jorge246368 32.34
237 Bisguier, Arthur B246371 52.97
238 Kirov Ivanov, Nino246352 37.06
239 Zaichik, Gennady L246267 25.63
240 Sznapik, Aleksander246250 31.64
241 Donchev, Dimitar I246255 24.19
242 Mednis, Edmar J246261 45.52
243 Van Wijgerden, Cornelis246260 32.35
244 Klaric, Zlatko246155 25.93
245 Podzielny, Karl Heinz246069 28.05
246 Portisch, Ferenc246056 43.47
247 Gutman, Lev246057 37.01
248 Soltis, Andrew E246075 35.34
249 Nogueiras, Jesus246055 23.20
250 Martinovic, Slobodan245953 37.18
251 Rajkovic, Dusan245952 40.29
252 Schweber, Samuel245971 46.20
253 Hecht, Hans-Joachim245762 43.67
254 Gaprindashvili, Nona245774 41.41
255 Damjanovic, Mato245762 55.52
256 Short, Nigel D245651 17.33
257 Hartston, William R245659 35.13
258 Szekely, Peter245654 27.64
259 Antoshin, Vladimir S245659 53.38
260 Feustel, Bernd245657 28.03
261 Jelen, Iztok245566 35.70
262 Ornstein, Axel245554 30.43
263 Robatsch, Karl245454 53.95
264 Dobrovolsky, Ladislav245455 31.77
265 Birnboim, Nathan245456 31.84
266 Bradford, Joseph M245471 31.91
267 Schussler, Harry245452 25.27
268 Bajovic, Milan245358
269 Martz, William E245266
270 Adamski, Jan245254 38.88
271 Rodriguez, Ruben245258 35.81
272 Castro Rojas, Oscar Humberto245269 29.39
273 Kristiansen, Jens245156 30.35
274 Duer, Arne244963 23.22
275 Raicevic, Vladimir244858 33.41
276 Padevsky, Nikola B244859 49.34
277 Vokác, Marek244859 23.81
278 Tatai, Stefano244854 44.52
279 Littlewood, Paul E244757 26.70
280 Taruffi, Daniele244774 24.07
281 Taulbut, Shaun M244755 24.72
282 Pytel, Krzysztof244758 37.37
283 Rukavina, Josip244557 39.84
284 Kindermann, Stefan244456 22.76
285 Bouaziz, Slim244357 32.45
286 Arnason, Jon L244252 21.88
287 Haik, Aldo244259 29.94
288 Strauss, David J244265 36.15
289 Kestler, Hans-Günter244164 42.80
290 Helmers, Knut J244154 25.65
291 Gruenfeld, Yehuda244152 26.59
292 Spiridonov, Nikola244152 44.59
293 Garcia Palermo, Carlos244160 28.83
294 Hermann, Manfred244068 40.08
295 Minic, Dragoljub244064 45.57
296 Pétursson, Margeir244055 22.62
297 Jakobsen, Ole243955 39.94
298 Barlov, Dragan243952 25.67
299 Govedarica, Radovan243866 34.63
300 Lau, Ralf243771 22.94
301 Lakic, Nikola243768 35.20
302 Ghitescu, Theodor243765 48.68
303 Vooremaa, Andres243769 38.20
304 Commons, Kim S243663 31.19
305 Ambroz, Jan243651 28.28
306 McCambridge, Vincent243660 22.56
307 Gruenberg, Hans Ulrich243557 26.72
308 Sharif, Mershad243566 30.22
309 Tisdall, Jonathan D243457 24.09
310 Hug, Werner243470 30.05
311 Garcia, Gildardo243472 28.56
312 Hamann, Svend243463 41.97
313 Vadasz, Laszlo243458 34.67
314 Djukic, Zeljko243362 23.30
315 Wirthensohn, Heinz243257 31.40
316 Forintos, Gyözö V243255 47.17
317 Renman, Nils Gustaf243267
318 Hansen, Curt243055 18.03
319 Wittmann, Walter243061 34.55
320 Uusi, Gunnar243071
321 Debarnot, Roberto242975 35.15
322 Fedorowicz, John P242857 24.01
323 Donner, Johannes H242756 55.23
324 Rantanen, Yrjo A242754 32.44
325 Mestrovic, Zvonimir242773 37.95
326 Neckar, Lubomir242758 32.16
327 Franco Ocampos, Zenon242759 26.38
328 Seret, Jean Luc242765
329 Antunac, Goran242675 37.45
330 Luczak, Andrzej242659 33.82
331 Langeweg, Kick242552 45.56
332 Reefschlaeger, Helmut242558 38.48
333 Hernandez, Roman242459 32.85
334 Plaskett, Jim242458 22.53
335 Cramling, Dan242357 23.65
336 Shirazi, Kamran G242371 29.86
337 Flear, Glenn C242266 23.63
338 Augustin, Josef242265 40.37
339 Kuligowski, Adam242254 26.77
340 Alexandria, Nana242262 32.96
341 Rodriguez Vargas, Orestes242257 39.24
342 Hase, Juan Carlos242271
343 Velickovic, Sasa242163 31.49
344 Botterill, George Steven242175
345 Makropoulos, Georgios242157 29.01
346 Hennings, Artur242161 42.22
347 Wockenfuss, Klaus242064 31.09
348 Lederman, Leon242071 35.35
349 Toth, Bela242056 39.45
350 Kunsztowicz, Uwe241965 38.70
351 Gulbrandsen, Arne Vinje241973
352 Nun, Jiri241957 25.17
353 Morris, Walter D241968 24.08
354 Krnic, Zdenko241961 34.99
355 Zichichi, Alvise241959 44.24
356 Prandstetter, Eduard241852 33.79
357 Lengyel, Levente241759 49.30
358 Scheeren, Peter241760 27.17
359 Karasev, Vladimir I241768 44.29
360 Hebert, Jean241763 24.88
361 Ostojic, Predrag241766 44.61
362 Fedder, Steen241663 31.29
363 Kaiszauri, Konstanty241658 29.92
364 Tompa, Janos241668 35.42
365 Gurevich, Dmitry241656 26.05
366 Vilela, Jose Luis241553 29.53
367 Hansson, Dan241566 30.30
368 Despotovic, Momcilo241469 34.57
369 Law, Andrew P241472 32.22
370 Lukov, Valentin241456 26.80
371 Rivas Pastor, Manuel241354 22.21
372 Brinck Claussen, Bjorn241357
373 Van der Sterren, Paul241354 26.54
374 Ghinda, Mihail Viorel241354 33.18
375 Bohm, Hans241355 32.71
376 Bellin, Robert241357 30.25
377 Bischoff, Klaus241364 21.31
378 Olafsson, Helgi241356 26.12
379 Press, Grigory241271
380 Borik, Otto241254 35.01
381 Shneider, Aleksandr241276 20.36
382 Bikhovsky, Avigdor I241274 27.57
383 Zivanovic, Ivan241275 19.50
384 Budde, Vladimir241267 29.77
385 Kuijf, Hans241171 20.38
386 Arbakov, Valentin241071 30.67
387 Tavadian, Ragik240966
388 Tiller, Bjorn240958 23.70
389 Greenfeld, Alon240963 18.45
390 Braga, Fernando240960 24.22
391 Cvetkovic, Srdjan240956 36.59
392 Ost Hansen, Jacob240958
393 Ravikumar, Vaidyanathan240857 22.76
394 Mascarinas, Rico240864 29.58
395 Szymczak, Zbigniew240857 30.74
396 Rubinetti, Jorge A240859 37.50
397 Trapl, Jindrich240863 40.52
398 Ciric, Dragoljub M240871 46.88
399 Peev, Peicho Chonev240765 42.49
400 Trifunov, Dimitar240774 18.73
401 Flesch, Janos240770 48.99
402 Hausner, Ivan240752 30.46
403 Watson, John L240668 31.07
404 Westerinen, Heikki MJ240551 38.42
405 Itkis, Boris240476 29.97
406 Sygulski, Artur240362 22.19
407 Pliester, Leon240263 28.11
408 Vasilev, Nikolai240168 13.57
409 Bielczyk, Jacek240154 29.60
410 Khasin, Abram I240173 59.62
411 Balinas, Rosendo Carrean240168
412 Garcia Martinez, Silvino240158 38.24
413 Rath, Ulrik240069 35.76
414 Kelecevic, Nedeljko239956 35.55
415 Tomaszewski, Roman239967 22.37
416 Sideif Sade, Fikret I239963 30.74
417 Petran, Pal239960 36.04
418 Pritchett, Craig William239764
419 Sjoberg, Mats239567 23.88
420 Angantysson, Haukur239464 33.83
421 Filipowicz, Andrzej239461 44.38
422 Bednarski, Jacek B239467 43.55
423 Ernst, Thomas239462 22.12
424 Gurevich, Mikhail N239469 23.61
425 Nurkic, Sahbaz239465 26.54
426 Gerusel, Mathias239465 44.65
427 Burger, Karl239353 49.69
428 Schoeneberg, Manfred239264 36.23
429 Hebden, Mark239257 24.62
430 Kouatly, Bachar239257 24.57
431 Herzog, Adolf239059 29.31
432 Pekarek, Ales239073 20.79
433 Akesson, Ralf239057 21.64
434 Dizdar, Goran239061 23.82
435 Horvath, Tamas239056 30.93
436 Cabrilo, Goran239061 24.24
437 Goehring, Karl Heinz238967
438 Emma, Jaime J238974 44.70
439 Nowak, Ignacy238865 33.72
440 Balshan, Amikam238774
441 Ardiansyah, Haji238758 30.82
442 Handoko, Edhi238658 22.09
443 Banas, Jan238555 35.32
444 Bukal, Vladimir Sr238569 42.91
445 Filipenko, Alexander V238475 33.57
446 Danner, Georg238456 35.92
447 Kagan, Shimon238457 40.48
448 Bronstein, Luis238370 36.33
449 Welin, Thomas238361 23.07
450 Skembris, Spyridon238357 24.61
451 Bastian, Herbert238274 29.80
452 Fernandez Garcia, Jose Luis238266 28.41
453 Hartoch, Robert G238262
454 Gauglitz, Gernot238257 20.26
455 Kuzmin, Alexey237962 19.56
456 Fries Nielsen, Jens Ove237953 22.60
457 Borm, Franciscus WM237963
458 Frias, Victor J237868 26.64
459 Mencinger, Vojko237769 24.48
460 Thorsteins, Karl237761 17.96
461 Moehring, Guenther237656 45.85
462 Trikaliotis, Georgios237565 43.60
463 Martin Gonzalez, Angel237567 29.74
464 Grigorov, Jordan N237463 28.81
465 Butnorius, Algimantas237371 35.86
466 Rigo, Janos237360 33.92
467 Wilder, Michael237373 20.04
468 Vinje Gulbrandsen, Arne237375
469 Dobosz, Henryk237360 29.53
470 Benjamin, Joel L237363 18.55
471 Lieb, Harald237272 47.76
472 Soos, Bela237162 52.56
473 Pokojowczyk, Jerzy237153 33.61
474 Nun, Josef237068 49.19
475 Shvidler, Eliahu237068 22.78
476 Przewoznik, Jan237068 25.04
477 Brondum, Eric237062 40.79
478 Cox, John J237066 20.36
479 Gonsior, Evzen237074 50.81
480 Honfi, Karoly236958 51.92
481 Suttles, Duncan236959 36.77
482 Adamski, Andrzej236975 43.71
483 Tischbierek, Raj236954 20.02
484 Barle, Janez236965 30.52
485 Nicevski, Risto236957 37.26
486 Diaz, Joaquin C236870 34.23
487 Heinbuch, Detlef236867 21.72
488 Zapata, Alonso236761 24.11
489 Van Baarle, C John236768 37.45
490 Van Riemsdijk, Herman C236665 34.09
491 Day, Lawrence A236665 33.66
492 Giardelli, Sergio C236658 27.26
493 Kraehenbuehl, Gerhard236562 21.54
494 Soylu, Suat236565
495 Segal, Alexandru Sorin236574 34.98
496 Pavlov, Mircea236555 45.04
497 Santos, Jose P236465 23.96
498 Swic, Waldemar236461 29.55
499 Rakic, Tomislav236362 47.88
500 Paehtz, Thomas Sr236357 26.07

These ratings, calculated as of September 30, 1982, incorporate all games (against rated opponents) played in the time between October 1, 1981 and September 30, 1982, along with the ratings that were already calculated as of September 30, 1981. Players who have played an insufficient number of games in recent years will not appear on the list, even though you may see them on previous and/or subsequent lists. Any players who have been completely inactive for three years are removed from the list.

Definition of columns in the above list:

# refers to the player's world rank on this list.

Player is the full name of the player. Click on the player's name to see a career progression of the player's ratings.

Rating is the calculated rating for the player, as of September 30, 1982. This represents the player's estimated strength on October 1, 1982.

+/- is the standard deviation of the player's rating estimate. It is based on a geometric average of the number of rated games played in past years. Players who play very frequently will have a smaller +/- value, indicating a greater confidence in the accuracy of their rating. Players whose +/- value exceeds 76 are classified as "inactive" and removed from the ranking list due to their infrequent play against rated opponents. Mathematically, a player's rating is an estimate of their exact strength on October 1, 1982. The +/- value represents the standard deviation of that estimate; the player's true strength on October 1, 1982 should be within one standard deviation of their calculated rating approximately 68% of the time, and within two standard deviations of their calculated rating approximately 95% of the time.

Best? is the estimated likelihood that the player was actually the strongest player in the world on October 1, 1982. Since ratings are known to be inaccurate, it is possible that a lower-rated player is actually much stronger than their rating would indicate, and it is also possible that other players are weaker than their ratings would indicate. This number indicates the likelihood that the player is indeed the strongest player in the world. On a particular list, it will add up to 100% across the complete list of all players. This value is only calculated for the top 100 players on any rating list.

75%? gives a 75%-confidence world ranking for the player. Because ratings are known to be inaccurate, even if a particular player is rated third in the world, we cannot say with 100% certainty that they are truly one of the three strongest players in the world. This number indicates the world rank that we are 75% sure the player is "no worse than". Thus if a player has a value of #12 in this column, we are 75% sure that the player is one of the twelve strongest players in the world. This value is only calculated for the top 100 players on any rating list.

Age is the player's exact age in years, on September 30, 1982. If a player's age is displayed as a link, that means that this rating was active at the time of their next birthday. Click on the link to see the sorted list of all players' ratings on their birthdays when turning that same age.

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