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Top 10 active players as of March 31, 1985


Top 500 active players as of March 31, 1985

  #  

Player Rating +/- Best? 75%? Age
1 Karpov, Anatoly E28054950.4% #233.86
2 Kasparov, Garry K27884933.8% #321.96
3 Beliavsky, Alexander G2713492.9% #1831.29
4 Timman, Jan H2707471.9% #2033.30
5 Polugaevsky, Lev A2690501.0% #2950.36
6 Korchnoi, Viktor L2687490.9% #3054.02
7 Portisch, Lajos2687480.8% #2947.98
8 Hübner, Robert2685490.8% #3136.40
9 Vaganian, Rafael A2684500.8% #3233.46
10 Dolmatov, Sergey V2682531.1% #3426.11
11 Ribli, Zoltán2681490.7% #3333.57
12 Agzamov, Georgy T2681510.8% #3430.57
13 Ljubojevic, Ljubomir2672490.4% #3934.41
14 Nunn, John D M2661490.2% #4729.93
15 Eingorn, Viacheslav S2659520.3% #5028.35
16 Psakhis, Lev B2656490.2% #5126.34
17 Romanishin, Oleg M2655500.2% #5233.22
18 Gulko, Boris F2655510.2% #5338.14
19 Tukmakov, Vladimir B2653500.2% #5339.04
20 Andersson, Ulf2652480.1% #5433.76
21 Spassky, Boris V2649490.1% #5648.17
22 Tal, Mikhail2648490.1% #5748.39
23 Smyslov, Vassily V2644510.1% #6164.02
24 Lputian, Smbat G2643500.1% #6227.13
25 Miles, Anthony J2642470.1% #6129.93
26 Chernin, Alexander M2639510.1% #6725.07
27 Lerner, Konstantin Z2636520.1% #7035.09
28 Balashov, Yury S2635500.1% #6936.05
29 Seirawan, Yasser263049 #7425.02
30 Sokolov, Andrey Y263050 #7522.03
31 Zaichik, Gennady L2629540.1% #7728.14
32 Bronstein, David I2626640.2% #8761.12
33 Nikolic, Predrag262450 #7924.55
34 Jussupow, Artur M262451 #8025.13
35 Sveshnikov, Evgeny E262350 #8035.14
36 Vasiukov, Evgeny A2621580.1% #8852.07
37 Dorfman, Iosif D262152 #8432.91
38 Gavrikov, Victor N262150 #8327.67
39 Malaniuk, Vladimir P261953 #8827.69
40 Rozentalis, Eduardas261855 #8921.84
41 Dvoiris, Semen I2618590.1% #9326.41
42 Razuvaev, Yury S261451 #9039.47
43 Vyzmanavin, Alexey261452 #9125.25
44 Kavalek, Lubomir261352 #9341.64
45 Smagin, Sergey260653 #10026.56
46 Dzindzichashvili, Roman Y260653 #10040.90
47 Ehlvest, Jaan260552 #10122.46
48 Geller, Efim P260551 #10060.08
49 Tseshkovsky, Vitaly V260551 #10040.52
50 Larsen, Bent260350 #10250.07
51 Kuzmin, Gennady P260352 #10339.20
52 Makarichev, Sergey Y260155 #10731.37
53 Chekhov, Valery A260052 #10529.34
54 Pintér, József260052 #10731.39
55 Gipslis, Aivars2599650.1% #11748.15
56 Petrosian, Arshak B259851 #10731.29
57 Torre, Eugenio259850 #10733.41
58 Sosonko, Gennadi259650 #10941.87
59 Kochiev, Alexander259654 #11229.02
60 Christiansen, Larry M259651 #10928.76
61 Smejkal, Jan259551 #11039.02
62 Gurevich, Mikhail N259553 #11226.11
63 Speelman, Jonathan S259450 #11128.50
64 Yurtaev, Leonid259461 #11925.91
65 Dvoretsky, Mark I2594730.2% #12837.31
66 Chandler, Murray G259449 #11124.98
67 Short, Nigel D259349 #11219.83
68 Panno, Oscar R259262 #12250.04
69 Timoshchenko, Gennady259166 #12635.92
70 Novikov, Igor A258852 #11822.86
71 Browne, Walter S258751 #11936.22
72 Ubilava, Elizbar E258752 #11934.59
73 Mikhalchishin, Adrian B258650 #12030.37
74 Vaisser, Anatoli258651 #12136.07
75 Salov, Valery B258556 #12420.85
76 Hort, Vlastimil258548 #11941.22
77 Eolian, Levon S258561 #12825.54
78 Pigusov, Evgeny258559 #12723.99
79 Podgaets, Mikhail Y258260 #13037.69
80 Kharitonov, Andrey Y258152 #12625.98
81 Kupreichik, Viktor D258150 #12535.74
82 Adorján, András258048 #12434.99
83 Naumkin, Igor257865 #13819.64
84 Azmaiparashvili, Zurab A257755 #13125.04
85 Ftácnik, Lubomír257648 #12927.42
86 Tarjan, James E257354 #13633.11
87 Agdestein, Simen257254 #13617.88
88 Velimirovic, Dragoljub256950 #13742.88
89 Sax, Gyula256949 #13733.79
90 Marjanovic, Slavoljub256849 #13730.23
91 Cebalo, Mišo256851 #13840.15
92 Byrne, Robert E256856 #14156.94
93 Knaak, Rainer F256650 #14032.04
94 Savon, Vladimir A256566 #15044.51
95 Vorotnikov, Vladislav V256559 #14637.62
96 Bagirov, Vladimir K256554 #14348.62
97 Georgadze, Tamaz V256454 #14537.39
98 Gheorghiu, Florin256250 #14440.98
99 Mestel, A Jonathan256251 #14428.05
100 Zilberman, Nathan R256071 #15844.91
101 Yudasin, Leonid G255953 25.65
102 Shereshevsky, Mikhail I255971 34.94
103 Anikaev, Yury255861 36.76
104 Suba, Mihai255850 37.83
105 Yermolinsky, Alex V255858 26.96
106 Panchenko, Alexander N255756 31.49
107 Gligoric, Svetozar255752 62.16
108 Gorelov, Sergey G255655 27.62
109 Popovic, Petar255550 26.13
110 Glek, Igor V255557 23.40
111 Reshevsky, Samuel H255461 73.35
112 deFirmian, Nicholas E255449 27.68
113 Didishko, Vereslav255362 35.97
114 Sturua, Zurab255161 25.81
115 Polovodin, Igor A255163 30.02
116 Quinteros, Miguel A255153 37.26
117 Chiburdanidze, Maia G255053 24.20
118 Gufeld, Eduard E255057 49.03
119 Karlsson, Lars254951 29.72
120 Korzubov, Peter254854 23.25
121 Rashkovsky, Nukhim N254752 38.95
122 Taimanov, Mark E254553 59.15
123 Zapata, Alonso254451 26.61
124 Kovacevic, Vladimir254351 43.01
125 Stean, Michael F254264 31.57
126 van der Wiel, John T H254249 25.64
127 Vitolinš, Alvis254263 38.79
128 Kholmov, Ratmir D254252 59.88
129 Guseinov, Aidyn254160 33.25
130 Kurajica, Bojan254149 37.38
131 Cámpora, Daniel H254054 27.75
132 Henley, Ron W254052 28.32
133 Uhlmann, Wolfgang253952 50.01
134 Ostermeyer, Peter253953 41.47
135 Hazai, Laszlo253752 31.80
136 Ivanovic, Božidar253649 38.60
137 Mnatsakanian, Eduard A253659 46.32
138 Wedberg, Tom253552 31.35
139 Matanovic, Aleksandar253563 54.86
140 Kremenetsky, Anatoly M253464 46.21
141 Ivanov, Igor V253454 38.23
142 Gurgenidze, Bukhuti I253454 51.38
143 Abramovic, Boško253350 34.13
144 Oll, Lembit253357 18.93
145 Ekstroem, Roland253364 28.86
146 Kruppa, Yuri253266 20.78
147 Smirin, Ilia253275 17.19
148 Klovans, Janis253261 49.97
149 Najdorf, Miguel253068 74.95
150 Mochalov, Evgeny V253068 33.42
151 Andrianov, Nikolai253063 23.28
152 Barua, Dibyendu253066 18.43
153 Lobron, Eric252949 24.90
154 Shneider, Aleksandr252960 22.86
155 Kogan, Boris252956
156 Graf, Alexander252860 22.60
157 Osnos, Viacheslav V252870 49.69
158 Ivkov, Borislav252753 51.38
159 London, Dimitri252766 22.36
160 Hansen, Curt252750 20.54
161 Cherepkov, Alexander V252761 64.42
162 Weinstein, Norman252674 34.49
163 Drasko, Milan252654 22.32
164 Yuferov, Sergey N252662 39.33
165 Hulak, Krunoslav252651 33.85
166 Liberzon, Vladimir M252664 48.02
167 Alburt, Lev O252550 39.61
168 Lukacs, Peter252551 34.73
169 Lombardy, William J252556 47.32
170 Inkiov, Ventzislav252549 28.87
171 Barbero, Gerardo F252559 23.61
172 Georgiev, Kiril252450 19.34
173 Kengis, Edvins252359 25.96
174 Fedorowicz, John P252153 26.51
175 Djuric, Stefan252052 29.68
176 Gurevich, Dmitry252052 28.55
177 Unzicker, Wolfgang251955 59.76
178 Vladimirov, Evgeny Y251965 28.20
179 Olafsson, Helgi251950 28.63
180 Keene, Raymond251859
181 Veingold, Aleksander251860 31.47
182 Nogueiras, Jesus251752 25.70
183 Tseitlin, Mikhail S251657 37.79
184 Mokrý, Karel251649 26.15
185 Spraggett, Kevin B251554 30.39
186 Gruenfeld, Yehuda251455 29.09
187 Nemet, Ivan251469 41.96
188 Benjamin, Joel L251353 21.05
189 Gomez Baillo, Jorge H251159 25.94
190 Palatnik, Semen A251160 35.01
191 Pétursson, Margeir251151 25.13
192 Shamkovich, Leonid A251154 61.83
193 Neverov, Valery251162 20.78
194 Thipsay, Praveen Mahadeo251155 25.63
195 Simic, Radoslav251053 36.81
196 Lein, Anatoly251053 54.01
197 Malich, Burkhard G251071 48.34
198 Matulovic, Milan251054 49.81
199 Kindermann, Stefan251050 25.26
200 Khalifman, Alexander250973 19.20
201 Franco Ocampos, Zenon250961 28.88
202 Rodriguez, Amador250851 28.56
203 Grigorian, Karen A250864 37.57
204 Vukic, Milan250856 41.62
205 Velikov, Petar250750 34.00
206 Bukic, Enver250667 47.33
207 Rukavina, Josip250656 42.34
208 Nikolic, Zivoslav250552 31.30
209 Pfleger, Helmut250555 41.65
210 Suetin, Alexey S250459 58.37
211 Hasanov, Marat250476 28.59
212 García Gonzáles, Guillermo250350 31.31
213 Lukin, Andrei M250355 36.59
214 Groszpeter, Attila250353 24.81
215 Csom, István250250 44.83
216 Arnason, Jon L250250 24.38
217 Faragó, Iván250150 38.99
218 Wolf, Volker250165 27.57
219 Vogt, Lothar H250152 33.20
220 Greenfeld, Alon250058 20.95
221 Dlugy, Maxim249955 19.17
222 Stohl, Igor249854 20.51
223 Morovic Fernández, Iván E249757 22.02
224 Szekely, Peter249752 30.15
225 Nikolac, Juraj249664 52.94
226 Yrjola, Jouni249652 25.44
227 Prandstetter, Eduard249451 36.29
228 Díez del Corral, Jesús249475 51.98
229 Ree, Hans249451 40.54
230 Hjartarson, Jóhann249449 22.15
231 Meduna, Eduard249451 34.55
232 Schmidt, Wlodzimierz249349 41.97
233 Donchev, Dimitar I249250 26.69
234 Soppe, Guillermo249267 24.54
235 Olafsson, Fridrik249268 50.18
236 Mednis, Edmar J249263 48.02
237 Bikhovsky, Avigdor I249170 30.07
238 Pachmann, Ludek249174 60.89
239 Schussler, Harry249151 27.77
240 Portisch, Ferenc249055 45.97
241 Georgiev, Krum249050 26.85
242 Ghinda, Mihail Viorel249053 35.68
243 Pekarek, Ales249061 23.29
244 Kudrin, Sergey249049 25.57
245 Sigurjónsson, Gudmundur249052 37.52
246 Raicevic, Momcilo248966
247 Plaskett, Jim248849 25.04
248 Jansa, Vlastimil248749 42.34
249 Petrushin, Alexander I248760 38.06
250 Murey, Yakov248753 43.66
251 Rogers, Ian248750 24.77
252 Sunye Neto, Jaime248753 27.91
253 Lechtynsky, Jiri248649 37.35
254 Podzielny, Karl Heinz248660 30.56
255 Benko, Pal C248662 56.71
256 Kishnev, Sergey248560 28.41
257 Radulov, Ivan248551 46.23
258 Rivas Pastor, Manuel248452 24.72
259 Bilek, István248465 52.64
260 Tringov, Georgy P248353 48.07
261 Řgaard, Leif248358 33.24
262 Pytel, Krzysztof248252 39.88
263 Filipovic, Branko248161 27.48
264 Fernandez Garcia, Jose Luis248161 30.91
265 Aseev, Konstantin N248053 24.45
266 Zuckerman, Bernard248069 41.99
267 Plachetka, Jan248049 40.12
268 Bany, Jerzy247957 24.07
269 Tatai, Stefano247952 47.02
270 Hebden, Mark247854 27.13
271 Popov, Luben247857 49.18
272 Zaitsev, Igor A247763 46.84
273 Moskalenko, Viktor247666 24.32
274 Padevsky, Nikola B247669 51.84
275 Kaidanov, Gregory S247563 25.47
276 Espig, Lutz247553 36.24
277 Soltis, Andrew E247561 37.84
278 Govedarica, Radovan247464 37.13
279 Tavadian, Ragik247470
280 Schneider, Lars Ake247457
281 Spassov, Liuben247350 42.02
282 Botterill, George Steven247364
283 Kraidman, Yair247269 52.41
284 Haik, Aldo247255 32.45
285 Efimov, Igor247262 24.54
286 Mariotti, Sergio247271 38.64
287 Sahovic, Dragutin247251 44.65
288 Rajkovic, Dusan247256 42.79
289 Toth, Bela247154 41.94
290 Gruenberg, Hans Ulrich247155 29.23
291 Strauss, David J247165 38.65
292 Bönsch, Uwe247051 26.46
293 Antoshin, Vladimir S247063 55.88
294 Shvidler, Eliahu246960 25.28
295 Kirov Ivanov, Nino246952 39.56
296 Rubinetti, Jorge A246964 39.99
297 Rogulj, Branko246871 33.66
298 Peters, John A246760 34.14
299 Arbakov, Valentin246770 33.18
300 Gutman, Lev246652 39.51
301 Antunes, Antonio246671 23.15
302 Mirkovic, Slobodan246558 26.68
303 Cvitan, Ognjen246554 23.47
304 Bisguier, Arthur B246466 55.48
305 Van Wijgerden, Cornelis246360 34.86
306 Ardiansyah, Haji246357 33.32
307 Ermenkov, Evgenij246251 35.51
308 Renman, Nils Gustaf246263
309 Rodriguez, Ruben246172 38.32
310 Flear, Glenn C246156 26.13
311 Andres Mendez, Miguel246162
312 Tischbierek, Raj246052 22.52
313 Nun, Jiri246068 27.68
314 Vokác, Marek245960 26.32
315 Arkell, Keith C245964 24.23
316 Zaltsman, Vitaly F245962 43.43
317 Womacka, Mathias245959 18.76
318 Forintos, Gyözö V245962 49.67
319 Hartston, William R245864 37.63
320 Birnboim, Nathan245864 34.34
321 Duer, Arne245872 25.72
322 Dizdar, Goran245759 26.32
323 Klaric, Zlatko245767 28.44
324 Hawelko, Marek245764 25.64
325 Seret, Jean Luc245765
326 Vera, Reynaldo245752 24.23
327 Hamann, Svend245771 44.48
328 Cifuentes Parada, Roberto245761 27.28
329 Hermann, Manfred245763 42.58
330 Gruen, Peter245759 28.21
331 Vilela, Jose Luis245752 32.03
332 Ligterink, Gert245652 35.37
333 Feustel, Bernd245670 30.53
334 Hug, Werner245661 32.56
335 Sygulski, Artur245553 24.69
336 Li Zunian245563 27.23
337 Leow Leslie M245571
338 Taulbut, Shaun M245574 27.22
339 Heinbuch, Detlef245561 24.23
340 Pelts, Roman245470 48.05
341 Wilder, Michael245467 22.54
342 Legky, Nikolay A245476 29.96
343 Bass, Leonid245466 27.84
344 Stoica, Valentin245462 35.13
345 Ost Hansen, Jacob245361
346 Mortensen, Erling245251 29.98
347 Van der Sterren, Paul245252 29.04
348 Nei, Iivo245173 53.42
349 Ochoa de Echaguen, F Javier245163 30.57
350 Klinger, Josef245156 17.82
351 Garcia Palermo, Carlos245057 31.33
352 Lau, Ralf244958 25.45
353 Sharif, Mershad244972 32.72
354 Karner, Hillar244960 49.68
355 Dzuban, Oleg I244867
356 Helmers, Knut J244856 28.15
357 Sznapik, Aleksander244849 34.14
358 Eslon, Jaan244762 33.07
359 Litvinov, Vladimir244773 43.71
360 Barczay, Laszlo244761 49.11
361 Keller, Dieter244671 48.70
362 Pecorelli Garcia, Humberto244658 21.30
363 Kuzmin, Alexey244665 22.06
364 Knezevic, Milorad244650 48.42
365 Velickovic, Sasa244560 33.99
366 Ernst, Thomas244557 24.62
367 Bjelajac, Milan244563 37.05
368 Raicevic, Vladimir244557 35.91
369 Zilberstein, Valery I244574 41.96
370 Barbulescu, Dan244562 20.77
371 Wirthensohn, Heinz244556 33.91
372 Nun, Josef244459 51.69
373 Adamski, Jan244450 41.39
374 Ornstein, Axel244455 32.93
375 Ionov, Sergey244476 23.23
376 Hernandez, Roman244353 35.36
377 Frias, Victor J244357 29.14
378 Barlov, Dragan244249 28.17
379 Derikum, Axel244264 30.88
380 Qi Jingxuan244262 37.39
381 Foisor, Ovidiu244261 25.98
382 Staniszewski, Piotr244157 18.57
383 Reyes, Juan244073 21.92
384 Watson, John L243967 33.57
385 Shaboian, V.243968
386 Bastian, Herbert243960 32.31
387 Donner, Johannes H243973 57.73
388 Nurkic, Sahbaz243873 29.05
389 Mascarinas, Rico243864 32.08
390 Lalev, Dimitar243861 25.21
391 Ricardi, Pablo243859 23.10
392 Ghitescu, Theodor243762 51.19
393 Wiedenkeller, Michael243761 22.22
394 Danailov, Silvio243653 23.94
395 Doda, Zbigniew243564 54.11
396 Giorgadze, Giorgi243473 20.47
397 Lanka, Zigurds243465 24.86
398 Spiridonov, Nikola243450 47.09
399 Kaiszauri, Konstanty243475 32.43
400 Skembris, Spyridon243355 27.11
401 Tisdall, Jonathan D243356 26.60
402 McCambridge, Vincent243356 25.06
403 Ambroz, Jan243258 30.79
404 Van Riemsdijk, Herman C243260 36.60
405 Gross, Stefan243256 35.59
406 Abreu, Jorge D243271 26.79
407 Scheeren, Peter243161 29.67
408 Goehring, Karl Heinz243165
409 Bielczyk, Jacek243156 32.11
410 Ilinsky, Vladimir243168
411 Zueger, Beat243156 23.83
412 Manouck, Thierry243065 27.88
413 Klundt, Klaus243069 43.27
414 Bischoff, Klaus243058 23.81
415 Davies, Nigel R243064 24.67
416 Harandi, Khosro242968 34.58
417 Neckar, Lubomir242975 34.66
418 Karolyi, Tibor Jr242953 23.38
419 Handoko, Edhi242959 24.59
420 Garcia Martinez, Silvino242951 40.74
421 Bukal, Vladimir Sr242965 45.41
422 Westerinen, Heikki MJ242952 40.92
423 Martin, Andrew D242855 27.87
424 Martinovic, Slobodan242851 39.68
425 Banas, Jan242854 37.83
426 Schneider, Attila242759 29.96
427 Szmetan, Jorge242761 34.85
428 Dobrovolsky, Ladislav242660 34.27
429 Kojder, Konrad242667 29.21
430 Yap, Andronico242657
431 Bergstrom, Christer242673 26.51
432 Bellin, Robert242567 32.75
433 Debarnot, Roberto242570 37.65
434 Thorsteins, Karl242555 20.47
435 Hecht, Hans-Joachim242562 46.17
436 Kelecevic, Nedeljko242569 38.05
437 Loginov, Valery A242473 29.30
438 Schweber, Samuel242464 48.71
439 Piesina, Gintautas242468 32.97
440 Littlewood, Paul E242465 29.20
441 Borm, Franciscus WM242463
442 Wockenfuss, Klaus242358 33.59
443 Langeweg, Kick242356 48.07
444 Doncevic, Dario242365 27.22
445 Bronstein, Luis242361 38.83
446 Seppeur, Reinhold242363 29.63
447 Wittmann, Walter242356 37.05
448 Reefschlaeger, Helmut242260 40.97
449 Cabrilo, Goran242255 26.75
450 Casper, Thomas242256 26.04
451 Sanna, Gianlazzaro242261 24.96
452 Jakobsen, Ole242153 42.45
453 Bellon Lopez, Juan Manuel242052 34.90
454 Piasetski, Leon David242071
455 Pribyl, Josef241951 37.47
456 Pedersen, Erik241956 26.55
457 Levitina, Irina S241957 30.81
458 Kristiansen, Jens241851 32.85
459 Paehtz, Thomas Sr241851 28.57
460 Damljanovic, Branko241855 23.79
461 Popchev, Milko241862 20.39
462 Robatsch, Karl241858 56.46
463 Tompa, Janos241775 37.92
464 Kagan, Shimon241764 42.98
465 Hodgson, Julian M241758 21.68
466 Sideif Sade, Fikret I241772 33.25
467 Moehring, Guenther241763 48.35
468 Monier, Raul241770 24.90
469 Bohm, Hans241654 35.21
470 Eng, Holger241659 24.09
471 Hartoch, Robert G241663
472 Rakic, Tomislav241565 50.39
473 Kolev, Atanas241463 17.71
474 Pliester, Leon241370 30.61
475 Krnic, Zdenko241359 37.50
476 Zichichi, Alvise241360 46.74
477 Djukic, Zeljko241262 25.80
478 Grigorov, Jordan N241253 31.31
479 Lengyel, Levente241264 51.80
480 Ilic, Zoran241159 21.66
481 Hawksworth, John C241166 21.32
482 Liang Jinrong241165 24.86
483 Bouaziz, Slim241059 34.95
484 Pritchett, Craig William241068
485 Kestler, Hans-Günter240968 45.30
486 McNab, Colin Anderson240956 24.16
487 Garcia, Gildardo240859 31.06
488 Brinck Claussen, Bjorn240856
489 Jacoby, Gisbert240869 41.91
490 Zahariev, Zahari240861 23.56
491 Cramling, Dan240661 26.15
492 Maki, Veijo240561 26.32
493 Tomaszewski, Roman240562 24.87
494 Paulsen, Dirk240560 26.18
495 Karpeshov, Oleg240576 31.15
496 Sher, Miron N240576 32.76
497 Lalic, Bogdan240463 21.06
498 Eising, Johannes240471 49.84
499 Horner, Jeff240470 35.60
500 Cvetkovic, Srdjan240459 39.09

These ratings, calculated as of March 31, 1985, incorporate all games (against rated opponents) played in the time between April 1, 1984 and March 31, 1985, along with the ratings that were already calculated as of March 31, 1984. 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 March 31, 1985. This represents the player's estimated strength on April 1, 1985.

+/- 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 April 1, 1985. The +/- value represents the standard deviation of that estimate; the player's true strength on April 1, 1985 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 April 1, 1985. 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 March 31, 1985. 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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