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Top 10 active players as of May 31, 1989

  #  

Player Rating +/-
1 Kasparov, Garry K282648
2 Karpov, Anatoly E281047
3 Short, Nigel D270547
4 Salov, Valery B270450
5 Timman, Jan H270147
6 Korchnoi, Viktor L269747
7 Ivanchuk, Vassily269249
8 Beliavsky, Alexander G268648
9 Ehlvest, Jaan267548
10 Hübner, Robert267248

About these ratings

Top 500 active players as of May 31, 1989

  #  

Player Rating +/- Best? 75%? Age
1 Kasparov, Garry K28264855.8% #226.13
2 Karpov, Anatoly E28104737.5% #238.02
3 Short, Nigel D2705470.9% #2323.99
4 Salov, Valery B2704501.1% #2425.01
5 Timman, Jan H2701470.8% #2537.46
6 Korchnoi, Viktor L2697470.6% #2758.19
7 Ivanchuk, Vassily2692490.5% #3120.20
8 Beliavsky, Alexander G2686480.3% #3335.46
9 Ehlvest, Jaan2675480.2% #4126.63
10 Hübner, Robert2672480.2% #4440.57
11 Gurevich, Mikhail N2672480.2% #4430.28
12 Tal, Mikhail2670480.1% #4552.56
13 Speelman, Jonathan S2669480.1% #4632.66
14 Andersson, Ulf2666480.1% #4937.92
15 Dolmatov, Sergey V2664490.1% #5030.28
16 Portisch, Lajos2664480.1% #5052.16
17 Ljubojevic, Ljubomir2662480.1% #5238.58
18 Dreev, Alexey2659500.1% #5520.36
19 Jussupow, Artur M2658480.1% #5529.30
20 Yudasin, Leonid G2655500.1% #5929.81
21 Gelfand, Boris265150 #6320.93
22 Ribli, Zoltán2650480.1% #6337.73
23 Tukmakov, Vladimir B2650490.1% #6343.21
24 Nikolic, Predrag264748 #6528.72
25 Khalifman, Alexander2646490.1% #6823.37
26 Gulko, Boris F264548 #6842.31
27 Lputian, Smbat G264449 #6931.30
28 Dvoiris, Semen I2640550.1% #7830.58
29 Dautov, Rustem264053 #7623.51
30 Gavrikov, Victor N263749 #7631.84
31 Chernin, Alexander M263748 #7629.23
32 Polugaevsky, Lev A263750 #7754.53
33 Vaganian, Rafael A263748 #7737.63
34 Azmaiparashvili, Zurab A263551 #8029.21
35 Kovalev, Andrei2631570.1% #8927.57
36 Vladimirov, Evgeny Y2629540.1% #8832.36
37 Sveshnikov, Evgeny E262751 #8939.30
38 Spassky, Boris V262748 #8652.34
39 Agdestein, Simen262652 #9022.04
40 Nunn, John D M262549 #8934.10
41 Pigusov, Evgeny262450 #9228.17
42 Vyzmanavin, Alexey262251 #9429.41
43 Sokolov, Andrey Y262249 #9326.20
44 Yurtaev, Leonid262153 #9730.08
45 Eingorn, Viacheslav S262149 #9332.52
46 Christiansen, Larry M261949 #9732.92
47 Georgiev, Kiril261949 #9723.51
48 Dorfman, Iosif D261651 #10037.08
49 Bareev, Evgeny261550 #10022.53
50 Malaniuk, Vladimir P261548 #10131.86
51 Smirin, Ilia261551 #10321.36
52 Balashov, Yury S261349 #10240.22
53 Sax, Gyula261349 #10237.95
54 Timoshchenko, Gennady261251 #10440.09
55 Torre, Eugenio261151 #10737.57
56 Romanishin, Oleg M261048 #10537.39
57 Psakhis, Lev B261047 #10430.51
58 Seirawan, Yasser260849 #10729.19
59 Dokhoian, Yury260849 #10824.60
60 Tiviakov, Sergei2607640.1% #12016.30
61 Smyslov, Vassily V260650 #11268.19
62 Hort, Vlastimil260549 #11145.39
63 Hjartarson, Jóhann260448 #11126.31
64 Razuvaev, Yury S260250 #11643.64
65 Shirov, Alexei260153 #11916.91
66 deFirmian, Nicholas E260050 #11931.85
67 Ivanov, Alexander V259955 #12333.08
68 Smagin, Sergey259849 #12030.73
69 Anand, Viswanathan259550 #12419.47
70 Kamsky, Gata259455 #12814.99
71 Fedorowicz, John P259249 #12630.68
72 Ubilava, Elizbar E259154 #13138.76
73 Kruppa, Yuri259161 #13524.94
74 Lerner, Konstantin Z259050 #12939.26
75 Nogueiras, Jesus259048 #12829.87
76 Vaisser, Anatoli258951 #13040.24
77 Rashkovsky, Nukhim N258952 #13243.12
78 Kuzmin, Gennady P258855 #13443.37
79 Goldin, Alexander258850 #13124.26
80 Kharitonov, Andrey Y258849 #13130.16
81 Aseev, Konstantin N258754 #13528.61
82 Rozentalis, Eduardas258651 #13426.01
83 Miles, Anthony J258448 #13434.11
84 Kveinys, Aloyzas258460 #14226.89
85 Spraggett, Kevin B258353 #13934.56
86 van der Wiel, John T H258348 #13529.81
87 Dzindzichashvili, Roman Y258154 #14245.07
88 Oll, Lembit258050 #14023.11
89 Podgaets, Mikhail Y2580720.1% #15441.86
90 Gorelov, Sergey G258063 #14831.79
91 Larsen, Bent258049 #13954.24
92 Lobron, Eric257949 #13929.07
93 Pintér, József257951 #14135.56
94 Smejkal, Jan257750 #14243.19
95 Huzman, Alexander257652 #14527.14
96 Tseshkovsky, Vitaly V257650 #14444.68
97 Neverov, Valery257654 #14724.94
98 Ionov, Sergey257659 #15027.40
99 Pétursson, Margeir257548 #14329.29
100 Adorján, András257551 #14539.17
101 Kupreichik, Viktor D257350 39.91
102 Shabanov, Yury F257368 51.55
103 Yermolinsky, Alex V257353 31.14
104 Krasenkow, Michal257355 25.55
105 Naumkin, Igor257254 23.81
106 Sosonko, Gennadi257153 46.04
107 Ftácnik, Lubomír257049 31.59
108 Makarichev, Sergey Y256956 35.54
109 Kudrin, Sergey256950 29.73
110 Chandler, Murray G256949 29.16
111 Sorokin, Maxim256961 21.36
112 Olafsson, Helgi256749 32.79
113 Kholmov, Ratmir D256751 64.05
114 Geller, Efim P256750 64.25
115 Arkhipov, Sergey256756 34.93
116 Hansen, Curt256549 24.70
117 Taimanov, Mark E256363 63.32
118 Timoshenko, Georgy256358 22.99
119 Darga, Klaus V256268 55.27
120 Kavalek, Lubomir256158 45.81
121 Orlov, Georgi256162
122 Epishin, Vladimir256153 23.89
123 Benjamin, Joel L256049 25.22
124 Browne, Walter S256051 40.39
125 Vasiukov, Evgeny A255953 56.24
126 Panchenko, Alexander N255855 35.65
127 Karlsson, Lars255852 33.89
128 Didishko, Vereslav255875 40.14
129 Akopian, Vladimir255752 17.48
130 Zaichik, Gennady L255551 32.30
131 Mestel, A Jonathan255556 32.22
132 Giorgadze, Giorgi255454 24.64
133 Bikhovsky, Avigdor I255467 34.24
134 Greenfeld, Alon255252 25.12
135 Murey, Yakov255150 47.83
136 Mikhalchishin, Adrian B255150 34.54
137 Popovic, Petar255049 30.30
138 Hulak, Krunoslav255051 38.02
139 Chekhov, Valery A255050 33.51
140 Kuzmin, Alexey254854 26.23
141 Janjgava, Lasha254752 19.07
142 Karpman, Vadim254756 24.05
143 Hellers, Ferdinand254750 20.34
144 Novikov, Igor A254651 27.02
145 Dlugy, Maxim254649 23.34
146 Bönsch, Uwe254549 30.63
147 Soppe, Guillermo254562 28.71
148 Ulibin, Mikhail254552 17.99
149 Knaak, Rainer F254550 36.21
150 Shneider, Aleksandr254459 27.03
151 Sokolov, Ivan254449 20.96
152 Kindermann, Stefan254448 29.43
153 Glek, Igor V254454 27.57
154 Todorcevic, Miodrag254351 48.56
155 Najdorf, Miguel254363 79.13
156 Quinteros, Miguel A254260 41.43
157 Ivanovic, Božidar254251 42.77
158 Gheorghiu, Florin254252 45.15
159 Kramnik, Vladimir254163 13.93
160 Kengis, Edvins254157 30.14
161 Duer, Arne253966 29.89
162 Kurajica, Bojan253966 41.54
163 Barua, Dibyendu253955 22.59
164 Arnason, Jon L253850 28.55
165 Cvitan, Ognjen253850 27.64
166 Kaidanov, Gregory S253751 29.64
167 Kochiev, Alexander253753 33.18
168 Rodriguez, Amador253649 32.73
169 Schussler, Harry253654 31.93
170 Morovic Fernández, Iván E253653 26.19
171 Panno, Oscar R253552 54.21
172 Ruban, Vadim253553 24.96
173 Henley, Ron W253570 32.49
174 Csom, István253550 48.99
175 Moskalenko, Viktor253554 28.49
176 Zlotnik, Boris A253462 42.63
177 Adams, Michael253451 17.54
178 Tseitlin, Mark D253463 45.69
179 Savon, Vladimir A253454 48.68
180 Lalic, Bogdan253352 25.23
181 Magerramov, Elmar S253254 31.14
182 Cebalo, Mišo253250 44.32
183 Antunes, Antonio253257 27.32
184 Zapata, Alonso253250 30.78
185 Yakovich, Yuri253157 26.50
186 Lanka, Zigurds253157 29.03
187 Wilder, Michael253150 26.71
188 Adianto, Utut253160 24.21
189 Pfleger, Helmut253157 45.82
190 Rogers, Ian253049 28.93
191 Gaprindashvili, Nona253060 48.08
192 Zilberman, Nathan R252973 49.08
193 Mnatsakanian, Eduard A252969 50.48
194 Van der Sterren, Paul252949 33.21
195 Byrne, Robert E252962 61.11
196 Suba, Mihai252850 41.99
197 Gipslis, Aivars252859 52.31
198 Kalinitschew, Sergey252860 33.33
199 Uhlmann, Wolfgang252751 54.17
200 Kiselev, Sergey252759 27.71
201 King, Daniel J252749 25.76
202 Cámpora, Daniel H252749 31.92
203 Barbero, Gerardo F252752 27.78
204 Serper, Grigory252753 19.71
205 Bjelajac, Milan252668 41.21
206 Bagirov, Vladimir K252654 52.79
207 Ivanov, Igor V252655 42.40
208 Anastasian, Ashot252553 24.87
209 Ninov, Kiril252553 20.65
210 Mokrý, Karel252551 30.32
211 Donchev, Dimitar I252454 30.86
212 Gruenberg, Hans Ulrich252452 33.39
213 Velimirovic, Dragoljub252451 47.05
214 Liberzon, Vladimir M252370 52.19
215 Groszpeter, Attila252350 28.97
216 Savchenko, Stanislav252255 22.36
217 Chiburdanidze, Maia G252251 28.37
218 Mirkovic, Slobodan252170 30.84
219 Milos, Gilberto252153 25.59
220 Franco Ocampos, Zenon252158 33.05
221 Kovacevic, Vladimir252151 47.18
222 Watson, William N252048 27.12
223 Nikolac, Juraj252058 57.11
224 Piskov, Yury252056 27.64
225 Bischoff, Klaus251950 27.97
226 Vitolinš, Alvis251967 42.95
227 Zagrebelny, Sergey251959
228 Basin, Leonid251854 31.52
229 Georgadze, Tamaz V251862 41.56
230 Marjanovic, Slavoljub251850 34.40
231 Sherbakov, Vitaly S251867 33.94
232 Damljanovic, Branko251750 27.95
233 Gofshtein, Leonid D251766 36.11
234 Barlov, Dragan251751 32.34
235 Gufeld, Eduard E251755 53.20
236 Hodgson, Julian M251649 25.85
237 Khenkin, Igor251660 21.19
238 Wedberg, Tom251650 35.51
239 Moroz, Alexander251662 28.37
240 Rohde, Michael A251552 29.76
241 Baburin, Alexander251562 22.28
242 Faragó, Iván251550 43.16
243 Xu Jun251555 26.71
244 London, Dimitri251464 26.53
245 Lukin, Andrei M251358 40.76
246 Gligoric, Svetozar251353 66.33
247 Graf, Alexander251258 26.77
248 Belov, Igor251161
249 Sellos, Didier251159 32.28
250 Kotronias, Vasilios251050 24.77
251 Hebden, Mark251051 31.29
252 Petrienko, Vladimir251068 34.23
253 Veingold, Aleksander251067 35.64
254 Inkiov, Ventzislav250951 33.03
255 Dizdar, Goran250851 30.49
256 Horvath, Jozsef250750 24.80
257 Polgar, Zsuzsa250750 20.12
258 Gruenfeld, Yehuda250654 33.26
259 Simic, Radoslav250656 40.97
260 Bronstein, David I250656 65.28
261 Unzicker, Wolfgang250557 63.92
262 Garcia Palermo, Carlos250552 35.50
263 Wahls, Matthias250451 21.35
264 Efimov, Igor250462 28.71
265 Sahovic, Dragutin250461 48.81
266 Mochalov, Evgeny V250472 37.59
267 Frias, Victor J250356 33.31
268 Lein, Anatoly250354 58.18
269 McKay, Roderick M250368 37.30
270 Mortensen, Erling250253 34.15
271 Wolff, Patrick G250251 21.29
272 Guseinov, Aidyn250257 37.41
273 Jansa, Vlastimil250251 46.51
274 Ostermeyer, Peter250160 45.64
275 Ye Jiangchuan250060 28.53
276 Petrosian, Arshak B250051 35.46
277 Piket, Jeroen250049 20.34
278 Kantsler, Boris250063 27.12
279 Govedarica, Radovan250071 41.30
280 Plaskett, Jim250053 29.20
281 Foisor, Ovidiu250054 30.15
282 Palatnik, Semen A249955 39.18
283 Hickl, Joerg249949 24.12
284 Tischbierek, Raj249952 26.69
285 García Gonzáles, Guillermo249952 35.48
286 Mohr, Stefan249852 21.61
287 Espig, Lutz249854 40.40
288 Renet, Olivier249850 24.44
289 Reyes, Juan249861 26.10
290 Stoica, Valentin249768 39.29
291 Zhuravliov, Valerij249763 50.47
292 Illescas Cordoba, Miguel249751 23.49
293 Drasko, Milan249650 26.48
294 Ornstein, Axel249657 37.10
295 Rodriguez Vargas, Orestes249657 45.91
296 Vera, Reynaldo249554 28.40
297 Popchev, Milko249551 24.55
298 Rivas Pastor, Manuel249554 28.88
299 Seret, Jean Luc249462
300 Komarov, Dimitri249358 20.50
301 Barbulescu, Dan249362 24.93
302 Alburt, Lev O249352 43.78
303 Stohl, Igor249251 24.68
304 Yuferov, Sergey N249267 43.49
305 Loginov, Valery A249257 33.47
306 Andrianov, Nikolai249168 27.45
307 Hazai, Laszlo249052 35.96
308 Palac, Mladen249063 18.29
309 Ivkov, Borislav249054 55.55
310 Womacka, Mathias248966 22.92
311 Ye Rongguang248964 25.66
312 Reshevsky, Samuel H248860 77.51
313 Filipenko, Alexander V248873 40.24
314 Kosten, Anthony C248849 30.85
315 Lukov, Valentin248854 33.47
316 Vogt, Lothar H248750 37.37
317 Kožul, Zdenko248652 23.03
318 Marin, Mihail248654 24.11
319 Gutman, Lev248650 43.68
320 Flear, Glenn C248650 30.30
321 Gomez Baillo, Jorge H248557 30.12
322 Ghinda, Mihail Viorel248558 39.85
323 Kraidman, Yair248565 56.58
324 Velikov, Petar248553 38.17
325 Martinovic, Slobodan248457 43.85
326 Lukacs, Peter248449 38.89
327 Padevsky, Nikola B248361 56.01
328 Yrjola, Jouni248352 29.60
329 Tringov, Georgy P248358 52.23
330 Sher, Miron N248364 36.92
331 Thorhallsson, Throstur248357 20.20
332 Tisdall, Jonathan D248352 30.76
333 Akhmilovskaya, Elena248263
334 Tseitlin, Mikhail S248255 41.95
335 Titov, German248258 26.10
336 Kozlov, V.248162
337 Lin Ta248163 26.33
338 Tunik, Gennady248067 36.01
339 Granda Zuńiga, Julio E248051 22.27
340 Braga, Fernando248056 30.89
341 Skembris, Spyridon248055 31.28
342 Minasian, Artashes247963 22.36
343 Kishnev, Sergey247963 32.58
344 Matulovic, Milan247960 53.97
345 Sideif Sade, Fikret I247960 37.41
346 Lau, Ralf247949 29.62
347 Ionescu, Constantin247855 30.72
348 Motwani, Paul247855 26.96
349 Rukavina, Josip247862 46.51
350 Murshed, Niaz247756 23.05
351 Malisauskas, Vidmantas247755 25.82
352 Kouatly, Bachar247750 31.24
353 Brooks, Michael A247760 28.12
354 Sunye Neto, Jaime247756 32.08
355 Mascarinas, Rico247657 36.25
356 Wojtkiewicz, Aleksander247653 26.38
357 Georgiev, Krum247554 31.02
358 Sznapik, Aleksander247551 38.31
359 Reefschlaeger, Helmut247459 45.15
360 Rubinetti, Jorge A247457 44.17
361 Norwood, David247455 20.66
362 Pytel, Krzysztof247374 44.04
363 Ioseliani, Nana247355 27.30
364 Cifuentes Parada, Roberto247354 31.44
365 Hertneck, Gerald247353 25.70
366 Rajkovic, Dusan247354 46.95
367 Haba, Petr247353 24.40
368 Orso, Miklos247262 32.97
369 Meduna, Eduard247251 38.72
370 Hansen, Lars Bo247251 20.69
371 Abramovic, Boško247150 38.30
372 Plachetka, Jan247149 44.29
373 Hoi, Carsten247150 32.37
374 Tolnai, Tibor247150 24.69
375 Svensson, Bengt247176 28.90
376 Ilincic, Zlatko247154 21.06
377 Zilberstein, Valery I247166 46.13
378 Lombardy, William J247073 51.49
379 Nijboer, Friso247056 24.01
380 Řgaard, Leif247071 37.40
381 Fernandez Garcia, Jose Luis247058 35.08
382 Gurevich, Dmitry246951 32.72
383 Davies, Nigel R246950 28.83
384 Kosic, Dragan246960 19.29
385 Lechtynsky, Jiri246853 41.52
386 Li Zunian246872 31.40
387 Kallai, Gabor246858 30.28
388 Gleizerov, Evgeny246865 26.20
389 Shabalov, Alexander246852 21.72
390 Levitt, Jonathan246850 25.99
391 Hecht, Hans-Joachim246765 50.34
392 Schmidt, Wlodzimierz246750 46.14
393 Klinger, Josef246750 21.98
394 Raicevic, Momcilo246663
395 Kogan, Boris246663
396 Gurgenidze, Bukhuti I246662 55.55
397 Ermenkov, Evgenij246553 39.67
398 Pekarek, Ales246452 27.46
399 Rogulj, Branko246463 37.83
400 Mainka, Romuald246455 26.04
401 Varavin, Viktor246465 22.02
402 Lutz, Christopher246359 18.27
403 Negulescu, Adrian246362 27.97
404 Vukic, Milan246259 45.78
405 Szabó, László246273 72.20
406 Gostisa, Leon246263 28.17
407 Khasin, Alexander246258 38.09
408 Petkevich, Jusefs246263 48.45
409 Arbakov, Valentin246165 37.34
410 Ambroz, Jan246170 34.95
411 Vallifuoco, Giacomo246168 32.07
412 Saltaev, Mihail246162 26.53
413 Ernst, Thomas246149 28.79
414 Ekstroem, Roland246157 33.03
415 Djuric, Stefan246151 33.85
416 Jukic, Mirko246159 26.62
417 Valkesalmi, Kimmo246054 28.08
418 Piasetski, Leon David246068
419 Mednis, Edmar J246055 52.19
420 Klaric, Zlatko246057 32.60
421 Karolyi, Tibor Jr245951 27.54
422 Veinger, Itzhak245967 50.90
423 Kirov Ivanov, Nino245958 43.73
424 Wirthensohn, Heinz245856 38.07
425 Vilela, Jose Luis245856 36.20
426 Szekely, Peter245855 34.31
427 Graf, Juergen245859 26.17
428 Cabrilo, Goran245853 30.91
429 Staniszewski, Piotr245854 22.74
430 Renman, Nils Gustaf245758
431 Tempone, Marcelo245763 26.73
432 Sadler, Matthew245658 15.04
433 Zysk, Robert245656 23.07
434 Avshalumov, Alex245657 25.25
435 Rachels, Stuart245663 19.68
436 Vokác, Marek245552 30.48
437 Ree, Hans245558 44.71
438 Shamkovich, Leonid A245557 65.99
439 Brunner, Lucas245452 22.01
440 Kolev, Atanas245462 21.88
441 Gruenenwald, Joerg245361 23.98
442 Pribyl, Josef245353 41.64
443 Lagunow, Alexander245373 21.88
444 Semeniuk, Alexander A245365 36.72
445 Legky, Nikolay A245260 34.14
446 Dizdarevic, Emir245253 31.16
447 Semkov, Semko245254 29.26
448 Popov, Luben245262 53.34
449 Solozhenkin, Evgeniy245164 22.83
450 Armas, Julius245158 34.10
451 Djurhuus, Rune245156 19.35
452 Reeh, Oliver245154 25.37
453 Conquest, Stuart245150 22.25
454 Rakic, Tomislav245165 54.55
455 Dueball, Juergen245066 44.17
456 Nun, Jiri245054 31.84
457 Neckar, Lubomir245071 38.83
458 Radulov, Ivan245057 50.40
459 Okhotnik, Vladimir244956 39.26
460 Kuijf, Marinus244953 29.30
461 Levin, Felix244960 30.57
462 Sigurjónsson, Gudmundur244970 41.68
463 Brestian, Egon244858 24.84
464 Ciric, Dragoljub M244873 53.55
465 Prandstetter, Eduard244853 40.46
466 Brynell, Stellan244857 26.68
467 Rytshagov, Mikhail244862 21.55
468 Knezevic, Milorad244856 52.58
469 Ardiansyah, Haji244765 37.49
470 Schneider, Lars Ake244756
471 Matamoros Franco, Carlos S244763 22.46
472 Hawelko, Marek244752 29.81
473 Blatny, Pavel244651 20.94
474 Verduga, Denis Homero244658
475 Leski, Marc244673 27.93
476 Bilek, István244660 56.80
477 Kuczynski, Robert244551 23.12
478 Sendera, Jaroslaw244573 24.10
479 Douven, Rudy C244552 28.07
480 Klundt, Klaus244558 47.43
481 Nemet, Ivan244559 46.13
482 Marangunic, Srdjan244566 45.58
483 Bergstrom, Christer244459 30.68
484 Thorsteins, Karl244452 24.63
485 Zelcic, Robert244473 23.69
486 Makarov, Marat244363 26.07
487 Arkell, Keith C244353 28.40
488 Cramling, Dan244366 30.32
489 Djukic, Zeljko244369 29.96
490 Schmittdiel, Eckhard244351 29.05
491 Cramling, Pia244353 26.11
492 Kovacevic, Predrag244271 28.73
493 Atalik, Suat244269 24.64
494 Grivas, Efstratios244263 23.17
495 Horvath, Tamas244256 37.61
496 Danailov, Silvio244260 28.11
497 Lima, Darcy244259 27.03
498 Filipovic, Branko244158 31.65
499 Machulsky, Anatoly D244164 32.69
500 Tatai, Stefano244054 51.19

These ratings, calculated as of May 31, 1989, incorporate all games (against rated opponents) played in the time between June 1, 1988 and May 31, 1989, along with the ratings that were already calculated as of May 31, 1988. 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 May 31, 1989. This represents the player's estimated strength on June 1, 1989.

+/- 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 June 1, 1989. The +/- value represents the standard deviation of that estimate; the player's true strength on June 1, 1989 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 June 1, 1989. 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 May 31, 1989. 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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