< December 31, 1985     Back to date list    February 28, 1986 >

Top 10 active players as of January 31, 1986


Top 500 active players as of January 31, 1986

  #  

Player Rating +/- Best? 75%? Age
1 Kasparov, Garry K28185061.9% #222.80
2 Karpov, Anatoly E27804924.2% #434.69
3 Korchnoi, Viktor L2710482.1% #2154.86
4 Beliavsky, Alexander G2702491.6% #2532.12
5 Timman, Jan H2695470.9% #2834.13
6 Jussupow, Artur M2692501.0% #3025.96
7 Vaganian, Rafael A2688490.7% #3234.29
8 Hübner, Robert2683490.6% #3637.23
9 Portisch, Lajos2681480.5% #3748.82
10 Ljubojevic, Ljubomir2674490.4% #4235.24
11 Tal, Mikhail2674480.4% #4249.23
12 Khalifman, Alexander2672560.7% #4720.04
13 Dolmatov, Sergey V2667510.4% #4826.94
14 Spassky, Boris V2666490.2% #4749.00
15 Tukmakov, Vladimir B2665500.3% #4939.88
16 Eingorn, Viacheslav S2662510.2% #5229.18
17 Psakhis, Lev B2662490.2% #5127.17
18 Sokolov, Andrey Y2661500.3% #5222.86
19 Dorfman, Iosif D2656540.3% #5933.75
20 Polugaevsky, Lev A2656500.2% #5751.20
21 Ribli, Zoltán2652490.1% #5934.40
22 Andersson, Ulf2650480.1% #6134.59
23 Lerner, Konstantin Z2650510.1% #6235.92
24 Dokhoian, Yury2642560.2% #7421.26
25 Miles, Anthony J263948 #7030.77
26 Seirawan, Yasser263749 #7425.85
27 Dvoiris, Semen I2636550.1% #7927.24
28 Romanishin, Oleg M263549 #7534.06
29 Chernin, Alexander M263550 #7725.90
30 Sveshnikov, Evgeny E263450 #7635.96
31 Malaniuk, Vladimir P2633520.1% #7928.53
32 Nunn, John D M263349 #7830.77
33 Lputian, Smbat G263150 #8127.96
34 Bronstein, David I2631700.5% #9561.94
35 Vasiukov, Evgeny A2630640.2% #9052.90
36 Smagin, Sergey2630510.1% #8227.40
37 Agzamov, Georgy T262851 #8431.40
38 Makarichev, Sergey Y2628550.1% #8632.20
39 Smyslov, Vassily V2628510.1% #8464.85
40 Vyzmanavin, Alexey262654 #8926.08
41 Gurevich, Mikhail N2626550.1% #8826.94
42 Nikolic, Predrag262350 #8825.39
43 Gulko, Boris F262051 #9238.97
44 Naumkin, Igor2620690.3% #10520.47
45 Short, Nigel D261948 #9120.66
46 Rozentalis, Eduardas261755 #9922.68
47 Ehlvest, Jaan261752 #9723.30
48 Gavrikov, Victor N261750 #9628.51
49 Larsen, Bent261651 #9750.91
50 Geller, Efim P261652 #9860.91
51 Novikov, Igor A261052 #10423.69
52 Azmaiparashvili, Zurab A260955 #10725.87
53 Pintér, József260750 #10532.23
54 Kavalek, Lubomir260652 #10842.48
55 Chandler, Murray G260549 #10725.82
56 Ubilava, Elizbar E260351 #11135.43
57 Bareev, Evgeny260359 #11619.19
58 Razuvaev, Yury S260251 #11340.31
59 Salov, Valery B260258 #11721.68
60 Dzindzichashvili, Roman Y260154 #11541.74
61 Yurtaev, Leonid260156 #11726.75
62 Christiansen, Larry M260051 #11329.59
63 Torre, Eugenio260051 #11434.24
64 van der Wiel, John T H259949 #11326.48
65 Sax, Gyula259748 #11534.62
66 Sosonko, Gennadi259750 #11742.70
67 Agdestein, Simen259551 #12018.71
68 Balashov, Yury S259549 #11836.88
69 Kuzmin, Gennady P259353 #12340.03
70 Ftácnik, Lubomír259248 #12128.25
71 Tseshkovsky, Vitaly V259251 #12341.35
72 Ivanchuk, Vassily259061 #13216.87
73 Zaichik, Gennady L258953 #12628.96
74 Petrosian, Arshak B258855 #12932.12
75 Panchenko, Alexander N258852 #12832.32
76 Darga, Klaus V2588730.1% #14151.93
77 Yudasin, Leonid G258752 #12826.48
78 Mikhalchishin, Adrian B258750 #12831.20
79 Adorján, András258749 #12735.83
80 Kharitonov, Andrey Y258655 #13026.82
81 Hort, Vlastimil258549 #12842.05
82 Suba, Mihai258350 #13138.66
83 Gipslis, Aivars258361 #13948.97
84 Eolian, Levon S258368 #14326.37
85 Parma, Bruno258365 #14144.09
86 Kochiev, Alexander258053 #13629.85
87 Panno, Oscar R257961 #14250.87
88 Smejkal, Jan257750 #13739.86
89 Speelman, Jonathan S257749 #13729.33
90 Browne, Walter S257751 #13837.06
91 Pigusov, Evgeny257752 #13924.83
92 Barua, Dibyendu257663 #14619.26
93 Chiburdanidze, Maia G257552 #14025.04
94 Chekhov, Valery A257550 #13930.18
95 Tarjan, James E257559 #14533.94
96 Bagirov, Vladimir K257555 #14249.46
97 Yermolinsky, Alex V257455 #14327.80
98 Graf, Alexander257262 #15023.43
99 Popovic, Petar257250 #14226.96
100 Vaisser, Anatoli257050 #14536.90
101 Palatnik, Semen A256960 35.85
102 Podgaets, Mikhail Y256857 38.52
103 Timoshchenko, Gennady256861 36.76
104 Nogueiras, Jesus256751 26.54
105 Gorelov, Sergey G256754 28.45
106 Marjanovic, Slavoljub256649 31.07
107 Byrne, Robert E256660 57.78
108 Gheorghiu, Florin256451 41.82
109 Savon, Vladimir A256467 45.35
110 Anikaev, Yury256469 37.59
111 Rashkovsky, Nukhim N256351 39.79
112 Kurajica, Bojan256350 38.21
113 Guseinov, Aidyn256368 34.08
114 Oll, Lembit256252 19.77
115 Didishko, Vereslav256270 36.81
116 Hulak, Krunoslav255952 34.68
117 Yakovich, Yuri255857 23.17
118 Olafsson, Helgi255750 29.46
119 Knaak, Rainer F255749 32.87
120 Georgiev, Kiril255651 20.17
121 Velimirovic, Dragoljub255651 43.72
122 Korzubov, Peter255660 24.08
123 Quinteros, Miguel A255451 38.09
124 Smirin, Ilia255366 18.03
125 Uhlmann, Wolfgang255350 50.84
126 Gligoric, Svetozar255253 62.99
127 Gufeld, Eduard E255262 49.87
128 Alburt, Lev O255251 40.44
129 Andrianov, Nikolai255271 24.11
130 Cebalo, Mišo255050 40.98
131 Mestel, A Jonathan254954 28.88
132 Matanovic, Aleksandar254965 55.69
133 Kengis, Edvins254955 26.80
134 Reshevsky, Samuel H254964 74.18
135 Kremenetsky, Anatoly M254872 47.05
136 Gurgenidze, Bukhuti I254855 52.22
137 Dueball, Juergen254773 40.84
138 Najdorf, Miguel254766 75.79
139 Karlsson, Lars254752 30.55
140 Glek, Igor V254657 24.23
141 Kovacevic, Vladimir254551 43.85
142 Mochalov, Evgeny V254576 34.26
143 Cámpora, Daniel H254456 28.59
144 Goldin, Alexander254466 20.92
145 Mokrý, Karel254349 26.98
146 Matulovic, Milan254358 50.64
147 Hazai, Laszlo254356 32.63
148 Huzman, Alexander254369 23.81
149 Henley, Ron W254356 29.15
150 Shneider, Aleksandr254365 23.69
151 Vladimirov, Evgeny Y254270 29.03
152 Hansen, Curt254249 21.37
153 Taimanov, Mark E254256 59.98
154 Ivanov, Igor V254257 39.06
155 London, Dimitri254262 23.19
156 Ostermeyer, Peter254157 42.30
157 Benjamin, Joel L254052 21.89
158 Faragó, Iván253949 39.83
159 Ekstroem, Roland253869 29.69
160 Kupreichik, Viktor D253651 36.58
161 Kindermann, Stefan253549 26.09
162 Wedberg, Tom253555 32.18
163 Pétursson, Margeir253450 25.95
164 Csom, István253350 45.66
165 Spraggett, Kevin B253352 31.22
166 Polovodin, Igor A253271 30.86
167 Kholmov, Ratmir D253253 60.72
168 Georgadze, Tamaz V253255 38.23
169 Kruppa, Yuri253268 21.61
170 Groszpeter, Attila253252 25.64
171 Ivkov, Borislav253254 52.22
172 Neverov, Valery253162 21.61
173 Sturua, Zurab253160 26.65
174 Veingold, Aleksander253160 32.31
175 Zapata, Alonso253052 27.44
176 Garcia Palermo, Carlos252851 32.16
177 Vorotnikov, Vladislav V252759 38.45
178 Kogan, Boris252656
179 Santo Roman, Marc252569 25.38
180 deFirmian, Nicholas E252549 28.51
181 Lobron, Eric252449 25.73
182 Bischoff, Klaus252453 24.64
183 Keene, Raymond252464
184 Dlugy, Maxim252351 20.01
185 Abramovic, Boško252352 34.96
186 Morovic Fernández, Iván E252355 22.85
187 Gaprindashvili, Nona252364 44.74
188 Rukavina, Josip252352 43.17
189 Arkhipov, Sergey252258 31.61
190 Jansa, Vlastimil252249 43.18
191 Ionov, Sergey252174 24.06
192 Liberzon, Vladimir M252067 48.86
193 Unzicker, Wolfgang252056 60.60
194 Arnason, Jon L251951 25.22
195 Vogt, Lothar H251951 34.04
196 García Gonzáles, Guillermo251952 32.14
197 Fedorowicz, John P251852 27.34
198 Ivanov, Alexander V251757 29.75
199 Velikov, Petar251651 34.84
200 Vitolinš, Alvis251560 39.63
201 Grigorian, Karen A251360 38.40
202 Cherepkov, Alexander V251368 65.25
203 Bönsch, Uwe251250 27.29
204 Yuferov, Sergey N251268 40.16
205 Simic, Radoslav251156 37.64
206 Inkiov, Ventzislav251150 29.70
207 Lukacs, Peter251150 35.56
208 Franco Ocampos, Zenon251167 29.72
209 Rogers, Ian251151 25.60
210 Rodriguez, Amador251052 29.40
211 Vukic, Milan251061 42.45
212 Shamkovich, Leonid A251058 62.66
213 Haik, Aldo250953 33.28
214 Suetin, Alexey S250966 59.21
215 Mednis, Edmar J250861 48.86
216 Drasko, Milan250852 23.15
217 Nemet, Ivan250771 42.80
218 Barbero, Gerardo F250757 24.44
219 Ziatdinov, Raset250567 27.09
220 Ricardi, Pablo250558 23.93
221 Kraidman, Yair250568 53.25
222 Wolf, Volker250565 28.40
223 Lombardy, William J250454 48.16
224 Gruenfeld, Yehuda250455 29.92
225 Olafsson, Fridrik250269 51.01
226 Sunye Neto, Jaime250254 28.74
227 Podzielny, Karl Heinz250164 31.39
228 Schussler, Harry250151 28.60
229 Lukin, Andrei M250061 37.42
230 Greenfeld, Alon250055 21.79
231 Kuporosov, Viktor249963 24.35
232 Ivanovic, Božidar249950 39.44
233 Kirov Ivanov, Nino249951 40.39
234 Meduna, Eduard249852 35.39
235 Lein, Anatoly249853 54.84
236 Murey, Yakov249856 44.49
237 Basin, Leonid249857 28.19
238 Kudrin, Sergey249850 26.40
239 Efimov, Igor249767 25.37
240 Barlov, Dragan249750 29.00
241 Cvitan, Ognjen249652 24.31
242 Schmidt, Wlodzimierz249549 42.81
243 Rivas Pastor, Manuel249554 25.55
244 Portisch, Ferenc249459 46.81
245 Klovans, Janis249359 50.81
246 Lalic, Bogdan249358 21.90
247 Radulov, Ivan249354 47.06
248 Raicevic, Momcilo249275
249 Stohl, Igor249250 21.34
250 Sigurjónsson, Gudmundur249152 38.35
251 Mnatsakanian, Eduard A249157 47.15
252 Hawelko, Marek249157 26.47
253 Georgiev, Krum249051 27.69
254 Tringov, Georgy P248954 48.90
255 Birnboim, Nathan248964 35.18
256 Nikolic, Zivoslav248855 32.13
257 Ghinda, Mihail Viorel248852 36.52
258 Hjartarson, Jóhann248849 22.97
259 Szekely, Peter248752 30.97
260 Staniszewski, Piotr248754 19.41
261 Pytel, Krzysztof248756 40.71
262 Antoshin, Vladimir S248672 56.71
263 Ree, Hans248651 41.38
264 Gomez Baillo, Jorge H248564 26.78
265 Buturin, Vladimir248574 42.20
266 Gofshtein, Leonid D248562 32.78
267 Malevinsky, Alexander A248468 35.92
268 Shabanov, Yury F248463 48.22
269 Heinbuch, Detlef248457 25.06
270 Dreev, Alexey248460 17.03
271 Klaric, Zlatko248359 29.27
272 Dizdar, Goran248356 27.16
273 Řgaard, Leif248265 34.07
274 Zaitsev, Igor A248169 47.68
275 Vaulin, Alexander248169 28.87
276 Kuzmin, Alexey248173 22.90
277 Hodgson, Julian M248152 22.52
278 Epishin, Vladimir248160 20.55
279 Popov, Luben248162 50.01
280 Wirthensohn, Heinz248057 34.74
281 Antunes, Antonio248067 23.98
282 Plachetka, Jan248050 40.95
283 Van der Sterren, Paul247952 29.87
284 Fernandez Garcia, Jose Luis247968 31.74
285 Ernst, Thomas247857 25.45
286 Yrjola, Jouni247852 26.27
287 Donchev, Dimitar I247750 27.53
288 Schneider, Lars Ake247759
289 Gurevich, Dmitry247652 29.39
290 Tatai, Stefano247653 47.86
291 Petrushin, Alexander I247659 38.89
292 Pfleger, Helmut247555 42.48
293 Flear, Glenn C247557 26.96
294 Renman, Nils Gustaf247561
295 Prandstetter, Eduard247451 37.13
296 Soltis, Andrew E247467 38.67
297 Vera, Reynaldo247453 25.06
298 Helmers, Knut J247457 28.98
299 Khasin, Alexander247461 34.76
300 Nikolac, Juraj247464 53.77
301 Bisguier, Arthur B247374 56.31
302 Minic, Dragoljub247364 48.90
303 Feustel, Bernd247375 31.36
304 Seret, Jean Luc247364
305 Legky, Nikolay A247173 30.80
306 Botterill, George Steven247172
307 Spassov, Liuben247051 42.86
308 Imanaliev, Taalaibek247061
309 Van Wijgerden, Cornelis247067 35.69
310 Sahovic, Dragutin247054 45.48
311 Petrienko, Vladimir247070 30.89
312 Tashkhodzhaev, A.247068
313 Padevsky, Nikola B247072 52.67
314 Peters, John A246966 34.97
315 Hermann, Manfred246966 43.42
316 Govedarica, Radovan246969 37.96
317 Stoica, Valentin246865 35.95
318 Barbulescu, Dan246765 21.61
319 Ardiansyah, Haji246763 34.15
320 Womacka, Mathias246760 19.60
321 Hug, Werner246762 33.39
322 Espig, Lutz246753 37.07
323 Toth, Bela246657 42.78
324 Ligterink, Gert246655 36.20
325 Horvath, Jozsef246656 21.47
326 Tseitlin, Mikhail S246558 38.62
327 Hartston, William R246565 38.47
328 Popchev, Milko246559 21.22
329 Hecht, Hans-Joachim246562 47.01
330 Giorgadze, Giorgi246471 21.31
331 Aseev, Konstantin N246456 25.28
332 Thipsay, Praveen Mahadeo246355 26.47
333 Bany, Jerzy246354 24.91
334 Benko, Pal C246362 57.54
335 Knezevic, Milorad246350 49.25
336 Rajkovic, Dusan246260 43.62
337 Plaskett, Jim246250 25.87
338 Bilek, István246263 53.47
339 Cifuentes Parada, Roberto246170 28.11
340 Lau, Ralf246153 26.28
341 Mirkovic, Slobodan246165 27.51
342 Calvo Minguez, Ricardo246173 42.27
343 Raicevic, Vladimir246161 36.74
344 Thorsteins, Karl246054 21.30
345 Kaidanov, Gregory S245959 26.30
346 Klundt, Klaus245967 44.10
347 Shvidler, Eliahu245960 26.11
348 Bastian, Herbert245958 33.14
349 Pachmann, Ludek245865 61.72
350 Moskalenko, Viktor245865 25.16
351 Mariotti, Sergio245764 39.47
352 Filipovic, Branko245757 28.32
353 Valkesalmi, Kimmo245759 24.75
354 Andres Mendez, Miguel245771
355 Handoko, Edhi245757 25.42
356 Bjelajac, Milan245771 37.88
357 Braga, Fernando245657 27.56
358 Vokác, Marek245659 27.15
359 Eslon, Jaan245570 33.91
360 Loginov, Valery A245558 30.13
361 Karner, Hillar245460 50.51
362 Ornstein, Axel245455 33.77
363 Hebden, Mark245456 27.95
364 Pekarek, Ales245461 24.12
365 Lanka, Zigurds245471 25.69
366 Ermenkov, Evgenij245350 36.34
367 Serper, Grigory245376 16.38
368 Lalev, Dimitar245365 26.04
369 Blatny, Pavel245360 17.61
370 Tischbierek, Raj245351 23.35
371 Strauss, David J245272 39.48
372 Kurtenkov, Atanas245161 22.49
373 Nei, Iivo245075 54.25
374 Nun, Jiri244970 28.51
375 Bass, Leonid244971 28.67
376 Gruenberg, Hans Ulrich244951 30.06
377 Li Zunian244956 28.06
378 Soppe, Guillermo244970 25.37
379 Qi Jingxuan244957 38.23
380 Gruenenwald, Joerg244971 20.66
381 Lechtynsky, Jiri244950 38.18
382 Enklaar, Bertus F244870
383 Velickovic, Sasa244864 34.83
384 Kishnev, Sergey244868 29.25
385 Barczay, Laszlo244761 49.94
386 Bielczyk, Jacek244757 32.93
387 Hellers, Ferdinand244657 17.01
388 Djuric, Stefan244650 30.51
389 Anand, Viswanathan244667 16.14
390 Gutman, Lev244651 40.35
391 Klinger, Josef244553 18.65
392 Arkell, Keith C244569 25.06
393 Watson, William N244452 23.79
394 Spiridonov, Nikola244451 47.92
395 Pelts, Roman244472 48.89
396 Schneider, Attila244460 30.80
397 Frias, Victor J244360 29.97
398 Bukal, Vladimir Sr244358 46.25
399 Wiedenkeller, Michael244257 23.06
400 Seredenko, Vladimir244264 45.71
401 Pecorelli Garcia, Humberto244258 22.13
402 Pliester, Leon244260 31.45
403 Forintos, Gyözö V244261 50.50
404 Dobrovolsky, Ladislav244261 35.10
405 Sznapik, Aleksander244150 34.97
406 Mascarinas, Rico244172 32.91
407 Nun, Josef244061 52.52
408 Sharif, Mershad244064 33.55
409 Foisor, Ovidiu244054 26.82
410 Tisdall, Jonathan D243960 27.43
411 Sideif Sade, Fikret I243963 34.08
412 Kantsler, Boris243864 23.79
413 Sygulski, Artur243851 25.52
414 Doncevic, Dario243759 28.05
415 Littlewood, Paul E243674 30.04
416 Pedersen, Erik243659 27.39
417 Danailov, Silvio243655 24.78
418 Bellin, Robert243570 33.59
419 Zaltsman, Vitaly F243559 44.26
420 Davies, Nigel R243460 25.50
421 Ochoa de Echaguen, F Javier243466 31.41
422 McCambridge, Vincent243455 25.90
423 Dzuban, Oleg I243473
424 Martinovic, Slobodan243452 40.52
425 Orlov, Georgi243471
426 Leow Leslie M243472
427 Ambroz, Jan243357 31.62
428 De Wit, Johannes S243362 21.35
429 Reefschlaeger, Helmut243362 41.81
430 Sehner, Norbert243360 25.98
431 Casper, Thomas243255 26.87
432 Robatsch, Karl243263 57.30
433 Lengyel, Levente243262 52.63
434 Yap, Andronico243253
435 Sisniega, Marcel243157 26.51
436 Kristiansen, Jens243152 33.68
437 Zahariev, Zahari243165 24.39
438 Hernandez, Roman243153 36.19
439 Doda, Zbigniew243067 54.94
440 Hawksworth, John C243064 22.15
441 Wittmann, Walter243058 37.88
442 Van Riemsdijk, Herman C243067 37.43
443 Karolyi, Tibor Jr242955 24.21
444 Paehtz, Thomas Sr242952 29.41
445 Levitina, Irina S242862 31.65
446 Akesson, Ralf242861 24.97
447 Ost Hansen, Jacob242860
448 Borm, Franciscus WM242862
449 Martin, Andrew D242861 28.70
450 Gauglitz, Gernot242859 23.59
451 Barle, Janez242765 33.86
452 Filipowicz, Andrzej242766 47.72
453 Rigo, Janos242760 37.26
454 Vilela, Jose Luis242652 32.87
455 Jakobsen, Ole242658 43.28
456 Wockenfuss, Klaus242655 34.42
457 Zagrebelny, Sergey242567
458 Skembris, Spyridon242557 27.94
459 Adamski, Jan242552 42.22
460 Sanna, Gianlazzaro242562 25.80
461 Grigorov, Jordan N242553 32.15
462 Szmetan, Jorge242467 35.68
463 Schweber, Samuel242464 49.54
464 Ghitescu, Theodor242462 52.02
465 Garcia Martinez, Silvino242453 41.57
466 Seppeur, Reinhold242463 30.47
467 Banas, Jan242355 38.66
468 Derikum, Axel242373 31.72
469 Bronstein, Luis242364 39.66
470 Rakic, Tomislav242372 51.22
471 Gerusel, Mathias242275 47.98
472 Veinger, Itzhak242270 47.57
473 Semkov, Semko242157 25.92
474 Cabrilo, Goran242159 27.58
475 Manouck, Thierry242168 28.72
476 Xu Jun242164 23.37
477 Hoi, Carsten242051 29.04
478 Djukic, Zeljko242070 26.63
479 Kestler, Hans-Günter242072 46.13
480 Garcia, Gildardo242059 31.89
481 Bohm, Hans242057 36.04
482 Polgar, Zsuzsa241951 16.78
483 Jailjan, M.241966
484 Rubinetti, Jorge A241861 40.83
485 Damljanovic, Branko241857 24.62
486 Westerinen, Heikki MJ241852 41.76
487 Scheeren, Peter241862 30.50
488 Steinbacher, Matthias241865 34.37
489 Hertneck, Gerald241863 22.37
490 Welin, Thomas241873 26.40
491 Saeed, Saeed Ahmed241760
492 Kouatly, Bachar241754 27.91
493 Monin, Nikolay241773 38.80
494 Paulsen, Dirk241663 27.01
495 Dejkalo, Stefan241654 26.29
496 McNab, Colin Anderson241661 24.99
497 Gruen, Peter241658 29.05
498 Kuczynski, Robert241662 19.79
499 Brinck Claussen, Bjorn241563
500 Mortensen, Erling241552 30.82

These ratings, calculated as of January 31, 1986, incorporate all games (against rated opponents) played in the time between February 1, 1985 and January 31, 1986, along with the ratings that were already calculated as of January 31, 1985. 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 January 31, 1986. This represents the player's estimated strength on February 1, 1986.

+/- 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 February 1, 1986. The +/- value represents the standard deviation of that estimate; the player's true strength on February 1, 1986 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 February 1, 1986. 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 January 31, 1986. 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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