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Top 10 active players as of December 27, 1999

  #  

Player Rating +/-
1 Kasparov, Garry K289548
2 Anand, Viswanathan280747
3 Kramnik, Vladimir279746
4 Shirov, Alexei278747
5 Leko, Peter274348
6 Topalov, Veselin272946
7 Adams, Michael272947
8 Kamsky, Gata272759
9 Bareev, Evgeny272150
10 Karpov, Anatoly E271747

About these ratings

Top 500 active players as of December 27, 1999

  #  

Player Rating +/- Best? 75%? Age
1 Kasparov, Garry K28954881.8% #136.70
2 Anand, Viswanathan2807477.4% #530.04
3 Kramnik, Vladimir2797464.8% #624.51
4 Shirov, Alexei2787473.3% #827.48
5 Leko, Peter2743480.5% #1720.30
6 Topalov, Veselin2729460.2% #2124.78
7 Adams, Michael2729470.2% #2128.11
8 Kamsky, Gata2727590.7% #2525.57
9 Bareev, Evgeny2721500.2% #2533.10
10 Karpov, Anatoly E2717470.2% #2748.59
11 Ivanchuk, Vassily2716470.1% #2730.77
12 Morozevich, Alexander2715490.2% #2822.44
13 Georgiev, Kiril2712500.1% #3034.08
14 Gelfand, Boris2709470.1% #3031.51
15 Svidler, Peter2698470.1% #3623.53
16 Short, Nigel D2697480.1% #3834.57
17 Krasenkow, Michal2697480.1% #3736.12
18 Polgar, Judit269048 #4223.43
19 Korchnoi, Viktor L268747 #4368.76
20 Khalifman, Alexander268547 #4433.94
21 Akopian, Vladimir268349 #4628.05
22 Rublevsky, Sergei268250 #4825.20
23 Dreev, Alexey268148 #4830.94
24 Beliavsky, Alexander G267647 #5146.03
25 Gurevich, Mikhail N266848 #5840.85
26 Almasi, Zoltan266748 #5923.33
27 Movsesian, Sergei266247 #6321.15
28 Sokolov, Ivan265947 #6631.54
29 Nikolic, Predrag265748 #6839.29
30 Seirawan, Yasser265451 #7439.76
31 Jussupow, Artur M265149 #7539.87
32 Timman, Jan H265047 #7648.04
33 Aleksandrov, Aleksej264850 #7826.63
34 Gulko, Boris F264751 #8152.88
35 Smirin, Ilia264448 #8331.93
36 Dautov, Rustem264349 #8434.08
37 Vladimirov, Evgeny Y264066 #10142.94
38 Lautier, Joel263847 #8826.71
39 Tkachiev, Vladislav263749 #9026.13
40 van Wely, Loek263746 #8827.22
41 Sakaev, Konstantin263649 #9125.70
42 Azmaiparashvili, Zurab A263153 #10139.78
43 Zvjaginsev, Vadim263149 #9823.36
44 Milos, Gilberto262952 #10236.16
45 Onischuk, Alexander262849 #10024.31
46 Graf, Alexander262854 #10637.34
47 Ehlvest, Jaan262448 #10437.20
48 Lputian, Smbat G262449 #10641.87
49 Salov, Valery B262453 #10835.59
50 Hansen, Curt262351 #10735.27
51 Piket, Jeroen262146 #10730.92
52 Nisipeanu, Liviu Dieter262149 #10923.40
53 Khenkin, Igor262149 #10831.77
54 Hodgson, Julian M262049 #11136.42
55 Vaganian, Rafael A261951 #11348.20
56 Bologan, Viktor261848 #11228.04
57 Kharlov, Andrei261749 #11531.10
58 Christiansen, Larry M261752 #11643.50
59 Hellers, Ferdinand261664 #12630.91
60 Milov, Vadim261448 #11627.40
61 Kobalija, Mihail261449 #11821.65
62 Dolmatov, Sergey V261352 #12040.85
63 Fedorov, Alexei261352 #12227.25
64 Sadler, Matthew261149 #12125.62
65 Granda Zuńiga, Julio E261054 #12632.84
66 Sturua, Zurab261052 #12440.55
67 Hjartarson, Jóhann260954 #12736.88
68 Fominyh, Alexander260952 #12640.53
69 Andersson, Ulf260950 #12448.50
70 Epishin, Vladimir260848 #12334.46
71 Gavrikov, Victor N260854 #12842.41
72 Psakhis, Lev B260848 #12441.08
73 Novikov, Igor A260749 #12637.59
74 Ye Jiangchuan260652 #12839.10
75 Ibragimov, Ildar260548 #12732.36
76 Speelman, Jonathan S259948 #13443.23
77 Bacrot, Etienne259848 #13616.93
78 Shipov, Sergei259851 #13833.69
79 Nunn, John D M259753 #14044.67
80 Dvoiris, Semen I259750 #13841.15
81 Volkov, Sergey259649 #13725.89
82 Ljubojevic, Ljubomir259651 #13949.15
83 Avrukh, Boris259548 #13821.97
84 Eingorn, Viacheslav S259451 #14243.09
85 Malaniuk, Vladimir P259448 #13942.43
86 Hansen, Lars Bo259455 #14431.26
87 Agdestein, Simen259352 #14332.62
88 Kuzmin, Alexey259361 #14936.80
89 Hracek, Zbynek259249 #14229.30
90 Lutz, Christopher259148 #14328.84
91 Bochkarev, Alexander259073 #16024.65
92 Goldin, Alexander259052 #14734.83
93 Benjamin, Joel L259050 #14535.79
94 Hübner, Robert258949 #14551.14
95 Minasian, Artashes258950 #14632.93
96 Anastasian, Ashot258851 #14835.45
97 Yakovich, Yuri258848 #14737.08
98 Asrian, Karen258750 #14819.67
99 Kožul, Zdenko258747 #14733.60
100 Sutovsky, Emil258648 #14822.27
101 Sorokin, Maxim258450 31.93
102 Ponomariov, Ruslan258449 16.21
103 Sveshnikov, Evgeny E258250 49.88
104 Ftácnik, Lubomír258248 42.16
105 Lalic, Bogdan258147 35.80
106 Atalik, Suat258147 35.21
107 Tiviakov, Sergei258148 26.87
108 Razuvaev, Yury S258153 54.21
109 Ulibin, Mikhail258049 28.57
110 Giorgadze, Giorgi258048 35.21
111 Kasimdzhanov, Rustam258050 20.06
112 Shabalov, Alexander258050 32.29
113 Sax, Gyula258048 48.52
114 Korneev, Oleg258049 30.42
115 Agrest, Evgenij257949 33.37
116 Beim, Valery257953 49.78
117 Yudasin, Leonid G257951 40.38
118 Gabriel, Christian257850 24.81
119 Miles, Anthony J257848 44.68
120 Malakhov, Vladimir257753 19.08
121 Peng Xiaomin257653 26.72
122 Pigusov, Evgeny257452 38.74
123 Palac, Mladen257448 28.86
124 Timoshenko, Georgy257351 33.57
125 Torre, Eugenio257257 48.15
126 Zhang Zhong257253 21.31
127 Romanishin, Oleg M257248 47.96
128 Pétursson, Margeir257157 39.87
129 Alterman, Boris257050 29.65
130 Gurevich, Dmitry257051 43.29
131 Kaidanov, Gregory S257054 40.21
132 Fedorowicz, John P257053 41.25
133 Wojtkiewicz, Aleksander256949 36.95
134 Komarov, Dimitri256950 31.07
135 Rozentalis, Eduardas256948 36.58
136 Aronian, Levon256950 17.22
137 Chernin, Alexander M256849 39.81
138 Wolff, Patrick G256865 31.87
139 Baklan, Vladimir256851 21.84
140 Lastin, Alexander256851 23.16
141 Nielsen, Peter Heine256749 26.59
142 Adianto, Utut256651 34.78
143 Wahls, Matthias256653 31.92
144 Yemelin, Vasily256650 23.90
145 Gurevich, Ilya256666 27.88
146 deFirmian, Nicholas E256548 42.42
147 Stefansson, Hannes256450 27.44
148 Ribli, Zoltán256451 48.31
149 Rogers, Ian256448 39.51
150 Yermolinsky, Alex V256349 41.71
151 Burmakin, Vladimir256348 32.56
152 Tregubov, Pavel V256349 28.02
153 Lerner, Konstantin Z256351 49.83
154 Morovic Fernández, Iván E256251 36.76
155 Kotronias, Vasilios256253 35.34
156 Dorfman, Iosif D256154 47.65
157 Shneider, Aleksandr256154 37.60
158 Ikonnikov, Vyacheslav256156 33.78
159 Mikhalchishin, Adrian B256050 45.11
160 Filippov, Valerij255948 24.08
161 Baburin, Alexander255949 32.86
162 Balashov, Yury S255850 50.79
163 Savchenko, Stanislav255850 32.93
164 Antonio, Rogelio Jr255754 37.86
165 Landa, Konstantin255751 27.60
166 Voitsekhovsky, Stanislav255752 35.39
167 Hertneck, Gerald255652 36.27
168 Varga, Z.255669 29.46
169 Serper, Grigory255655 30.29
170 Illescas Cordoba, Miguel255549 34.06
171 Stohl, Igor255548 35.25
172 Vaisser, Anatoli255452 50.81
173 Leitao, Rafael255451 19.99
174 Tukmakov, Vladimir B255449 53.78
175 Huzman, Alexander255450 37.71
176 Shulman, Yuri255350 24.66
177 Xu Jun255259 37.28
178 Kengis, Edvins255252 40.71
179 Rustemov, Alexander255250 26.47
180 Shariyazdanov, Andrey255251 23.46
181 Ivanov, Sergey255150 38.24
182 Hickl, Joerg255151 34.70
183 Damljanovic, Branko255150 38.53
184 Kotsur, Pavel255053 25.98
185 Golod, Vitali255050 28.50
186 Magerramov, Elmar S255062 41.71
187 Sokolov, Andrey Y254954 36.77
188 Spraggett, Kevin B254951 45.13
189 Ionov, Sergey254952 37.97
190 Portisch, Lajos254852 62.73
191 Greenfeld, Alon254750 35.69
192 Lobron, Eric254752 39.64
193 Hansen, Sune Berg254649 28.68
194 Spasov, Vasil254456 28.86
195 Dzindzichashvili, Roman Y254455 55.64
196 Slobodjan, Roman254449 24.98
197 Kruppa, Yuri254353 35.52
198 Guseinov, Aidyn254362 47.98
199 Chernyshov, Konstantin254352 32.54
200 Grischuk, Alexander254250 16.16
201 Kempinski, Robert254148 22.46
202 Smagin, Sergey254160 41.30
203 Spassky, Boris V254152 62.91
204 Kiriakov, Petr254151 24.96
205 Podgaets, Mikhail Y254060 52.43
206 Chiburdanidze, Maia G253952 38.94
207 Golubev, Mihail253854 29.58
208 Emms, John M253849 32.79
209 Popov, Valerij253850 25.30
210 Dao Thien Hai253753 21.63
211 Arkhipov, Sergey253757 45.51
212 Hort, Vlastimil253652 55.96
213 Tischbierek, Raj253652 37.26
214 Pintér, József253550 46.13
215 Kharitonov, Andrey Y253550 40.73
216 Watson, William N253568 37.69
217 Shchekachev, Andrei253551 27.17
218 Kantsler, Boris253553 37.70
219 Makarov, Marat253454 36.64
220 Podzielny, Karl Heinz253460 45.30
221 Volzhin, Alexander253451 28.90
222 Barua, Dibyendu253352 33.17
223 Bezgodov, Alexei253356 30.49
224 van der Wiel, John T H253249 40.38
225 Reinderman, Dimitri253249 27.37
226 Hamdouchi, Hichem253251 27.22
227 Hernandez, Gilberto253252
228 Soffer, Ram253154 34.31
229 Sherbakov, Ruslan253049 30.29
230 Adorján, András253060 49.74
231 Gallagher, Joseph G253048 35.65
232 Rytshagov, Mikhail252952 32.12
233 Ivanov, Alexander V252854 43.65
234 Moroz, Alexander252861 38.94
235 Delchev, Aleksander252849 28.45
236 Van der Sterren, Paul252850 43.78
237 Solozhenkin, Evgeniy252750 33.41
238 Iuldachev, Saidali252753 31.91
239 Galkin, Alexander252749 20.90
240 Malisauskas, Vidmantas252758 36.40
241 Orlov, Georgi252766
242 Irzhanov, Ruslan252656 23.08
243 Luther, Thomas252649 30.15
244 Schandorff, Lars252549 34.69
245 Kishnev, Sergey252562 43.15
246 Zubarev, Alexander252560 48.51
247 Poluljahov, Aleksandr252549 34.56
248 Miladinovic, Igor252552 25.92
249 Glek, Igor V252449 38.14
250 Loginov, Valery A252350 44.04
251 Kurajica, Bojan252349 52.12
252 Zontakh, Andrey252250 29.15
253 Bruzon Bautista, Lazaro252255 17.65
254 Kindermann, Stefan252250 39.99
255 Bischoff, Klaus252248 38.55
256 Zakharevich, Igor252153 36.45
257 Nikolenko, Oleg252161 40.52
258 Tseshkovsky, Vitaly V252053 55.26
259 Bu Xiangzhi252050 14.05
260 Markovic, Miroslav252054 26.63
261 Magem Badals, Jordi252049 32.34
262 Kacheishvili, Giorgi252052 22.88
263 Rodriguez, Amador252055 43.30
264 Barsov, Alexei251950
265 Suba, Mihai251958 52.57
266 Temirbaev, Serik251959
267 Kovalev, Andrei251952 38.14
268 Gofshtein, Leonid D251850 46.68
269 Najer, Evgeniy251852 22.51
270 Darga, Klaus V251875 65.84
271 Wang Zili251858 31.54
272 Xie Jun251849 29.16
273 Gruenfeld, Yehuda251857 43.83
274 Ginsburg, Gennadij251866 28.38
275 Sunye Neto, Jaime251755 42.65
276 Zarubin, Pavel251771 31.87
277 Sagalchik, Gennadij251771 30.68
278 Chandler, Murray G251751 39.73
279 Vera, Reynaldo251651 38.97
280 Timoshchenko, Gennady251550 50.67
281 Zifroni, Dov251554 23.86
282 Arnason, Jon L251566 39.12
283 Gretarsson, Helgi Ass251549 22.86
284 Kosashvili, Yona251560 29.48
285 Dizdarevic, Emir251550 41.73
286 Bönsch, Uwe251555 41.20
287 Ilincic, Zlatko251451 31.63
288 Danielian, Oganes251465
289 Smikovski, Ivan251468 27.54
290 Vaulin, Alexander251448 42.77
291 Chekhov, Valery A251358 44.08
292 Neverov, Valery251251 35.52
293 Kumaran, Dharshan251266 24.55
294 Ruzele, Darius251257 31.67
295 Nevednichy, Vladislav251250 30.31
296 Nogueiras, Jesus251250 40.44
297 Feygin, Michail251168 24.90
298 Bezold, Michael251152 27.59
299 Babula, Vlastimil251149 26.23
300 Gleizerov, Evgeny251151 36.77
301 Oral, Tomas251049 22.01
302 Sermek, Drazen251048 30.91
303 Enders, Peter251054 36.90
304 Zaichik, Gennady L251073 42.88
305 Mirumian, Vigen251051 22.24
306 Brodsky, Michail251050 30.75
307 Morrison, William250966 39.40
308 Sosonko, Gennadi250959 56.61
309 Wedberg, Tom250953 46.09
310 Ricardi, Pablo250951 37.84
311 Mikhaletz, Lubomir250856 25.37
312 Zoler, Dan250854 25.94
313 Lesiege, Alexandre250751 24.36
314 Berelovich, Aleksandar250751 32.48
315 Chuchelov, Vladimir250651 30.25
316 Velimirovic, Dragoljub250553 57.62
317 Strikovic, Aleksa250552 38.62
318 Didishko, Vereslav250552 50.71
319 Cramling, Pia250550 36.68
320 Frias, Victor J250569 43.88
321 Sokolovs, Andrei250463 27.84
322 Iskusnyh, Sergei250452 25.31
323 Zagrebelny, Sergey250451
324 Comas Fabrego, Luis250450 28.51
325 Levin, Felix250453 41.14
326 Kazhgaleyev, Murtas250455
327 Krogius, Nikolay V250474 69.43
328 Gdanski, Jacek250450 29.08
329 Lugovoi, Aleksei250349 24.81
330 Rogozenko, Dorian250350 26.36
331 Dizdar, Goran250249 41.06
332 Arencibia, Walter250251 32.43
333 Kolev, Atanas250260 32.45
334 Krivonosov, Oleg250163 38.63
335 Schlosser, Philipp250151 31.36
336 Plaskett, Jim250151 39.77
337 Horvath, Jozsef250151 35.37
338 Motylev, Alexander250151 20.53
339 Cvitan, Ognjen250148 38.21
340 Kudrin, Sergey250054 40.30
341 Mitenkov, Alexey250066 38.80
342 Belikov, Vladimir250057 28.40
343 Kiselev, Sergey250055 38.29
344 Shabanov, Yury F250063 62.13
345 Iordachescu, Viorel250051 22.69
346 Pavasovic, Dusko250048 23.20
347 Markowski, Tomasz250049 24.41
348 Drasko, Milan250051 37.06
349 Spangenberg, Hugo249951 24.10
350 Palatnik, Semen A249968 49.75
351 Bagaturov, Giorgi249952 35.08
352 Sulskis, Sarunas249950 27.09
353 Kovacevic, Vladimir249953 57.75
354 Zezulkin, Jurij249954 28.36
355 Fridman, Daniel249953 23.87
356 Vakhidov, Tahir249958
357 Nijboer, Friso249849 34.59
358 Popovic, Petar249852 40.87
359 Kholmov, Ratmir D249753 74.62
360 Macieja, Bartlomiej249749 22.23
361 Danielsen, Henrik249752 33.93
362 Rechlis, Gad249759 32.89
363 Knaak, Rainer F249658 46.78
364 Liss, Eran249654 24.48
365 Khasin, Alexander249657 48.66
366 Mikhalevski, Victor249649 27.46
367 Marciano, David249550 30.48
368 Polak, Tomas249550 25.67
369 Brenninkmeijer, Joris249566 30.29
370 Horváth, Csaba249548 31.56
371 Maksimenko, Andrei249553 30.05
372 Tsesarsky, Ilya249457 40.22
373 Zelcic, Robert249448 34.27
374 Apicella, Manuel249452 29.69
375 Kosic, Dragan249452 29.87
376 Varga, Zoltan249348 29.46
377 Finkel, Alexander249354 24.98
378 King, Daniel J249356 36.33
379 Manor, Ilan249357 30.17
380 Notkin, Maksim249257 36.04
381 Cámpora, Daniel H249251 42.49
382 Galliamova, Alisa249151 27.94
383 Liang Jinrong249163 39.60
384 Parker, Jonathan249054 23.61
385 Lazarev, Vladimir249051 35.56
386 Pavlovic, Milos249052 35.98
387 Ubilava, Elizbar E249058 49.33
388 Liiva, Riho249063 24.48
389 Polovodin, Igor A249062 44.76
390 Degraeve, Jean Marc249049 28.92
391 Davies, Nigel R248953 39.41
392 Kuzmin, Gennady P248951 53.94
393 Yevseev, Denis248953 26.48
394 Bauer, Christian248949 22.96
395 Nikolaidis, Ioannis248951 28.98
396 Wu Shaobin248959 30.90
397 Hillarp Persson, Tiger248949 29.16
398 Lanka, Zigurds248951 39.60
399 Wells, Peter K248949 34.69
400 Smyslov, Vassily V248853 78.76
401 Istratescu, Andrei248850 24.06
402 Rashkovsky, Nukhim N248852 53.69
403 Yandemirov, Valeri248851 36.88
404 Malakhatko, Vadim248855 22.76
405 Joachim, Sven248870 30.57
406 Conquest, Stuart248849 32.82
407 Movsziszian, Karen248854 36.97
408 Dragomarezkij, Evgeni248862 46.94
409 Hector, Jonny248848 35.87
410 Papaioannou, Ioannis248855 23.69
411 Akesson, Ralf248848 38.88
412 Gausel, Einar248750 36.08
413 Aseev, Konstantin N248751 39.19
414 Larsen, Bent248654 64.81
415 Zarnicki, Pablo248652 27.12
416 Moskalenko, Viktor248661 39.06
417 Yurtaev, Leonid248655 40.65
418 Grivas, Efstratios248654 33.74
419 Jakubiec, Artur248556 26.06
420 Godena, Michele248548 32.49
421 Hall, Jesper248552 28.45
422 Haba, Petr248550 34.97
423 Maiorov, Oleg248554 28.43
424 Ye Rongguang248559 36.23
425 Nadyrhanov, Sergey248457 36.25
426 Van den Doel, Erik248448 20.62
427 Votava, Jan248450 25.08
428 Miralles, Gilles248457 33.88
429 Vescovi, Giovanni P248352 21.54
430 Hulak, Krunoslav248353 48.59
431 Goloshchapov, Alexander248354 21.92
432 Maiwald, Jens Uwe248352 25.64
433 Kochiev, Alexander248357 43.76
434 Safin, Shukhrat248357 29.73
435 Gyimesi, Zoltan248350 22.74
436 Dokutchaev, Aleksander248260 27.57
437 Bikhovsky, Avigdor I248255 44.81
438 Bagirov, Vladimir K248252 63.36
439 Blatny, Pavel248249 31.51
440 Rausis, Igors248249 38.72
441 Garcia Ilundain, David248153 28.73
442 Vokác, Marek248151 41.06
443 Olafsson, Helgi248153 43.37
444 Kogan, Artur248149 25.91
445 Sharif, Mershad248164 47.46
446 Dimitrov, Vladimir248052 31.71
447 Uhlmann, Wolfgang248053 64.74
448 Totsky, Leonid248054 32.38
449 Kalinin, Alexander247975 31.59
450 Antunes, Antonio247962 37.89
451 Kveinys, Aloyzas247952 37.47
452 Har Zvi, Ronen247858 23.20
453 Shaked, Tal247852 21.89
454 Tseitlin, Mikhail S247872 52.53
455 Miezis, Normunds247849 28.63
456 Rogic, Davor247852 28.42
457 Marin, Mihail247849 34.68
458 Dgebuadze, Alexandre247854 28.60
459 Arbakov, Valentin247858 47.91
460 Grabarczyk, Miroslaw247851 28.98
461 Acs, Peter247749 18.63
462 Dervishi, Erald247755 20.13
463 Guliev, Sarhan247754 31.74
464 Simonovic, Aleksandar247773 31.15
465 Piskov, Yury247765 38.21
466 Zakharstov, Viacheslav V247668 31.74
467 Legky, Nikolay A247654 44.71
468 Vorotnikov, Vladislav V247657 52.36
469 Rodriguez, Andres247553 26.02
470 Campos Moreno, Javier B247559 40.81
471 Saltaev, Mihail247551 37.11
472 Gavrilakis, Nikolaos247474 44.76
473 Djurhuus, Rune247452 29.92
474 Ionescu, Constantin247450 41.29
475 Georgiev, Krum247456 41.59
476 Cebalo, Mišo247448 54.89
477 Stanec, Nikolaus247450 31.66
478 Prusikhin, Mihailo247458 21.94
479 Socko, Bartosz247449 21.13
480 Turov, Maxim247355 20.05
481 Polgar, Sofia247357 25.15
482 Browne, Walter S247356 50.96
483 Gormally, Daniel247349 23.65
484 Renet, Olivier247356 35.02
485 Ivanovic, Božidar247257 53.34
486 Stevic, Hrvoje247252 19.97
487 Markovic, Ivan247264 27.94
488 Jirovsky, Milos247252 25.78
489 Karlsson, Lars247257 44.46
490 Lukin, Andrei M247262 51.33
491 Zilberman, Yaacov247153 45.59
492 Milov, Leonid247165 33.89
493 Abramovic, Boško247157 48.87
494 Hebden, Mark247149 41.87
495 Ward, Christopher247149 31.75
496 Todorcevic, Miodrag247158 59.13
497 Sevillano, Enrico247166
498 Tisdall, Jonathan D247158 41.34
499 Koniushkov, Igor247066 37.08
500 Banikas, Hristos247053 21.60

These ratings, calculated as of December 27, 1999, incorporate all games (against rated opponents) played in the time between December 1, 1998 and December 27, 1999, along with the ratings that were already calculated as of November 30, 1998. 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 December 27, 1999. This represents the player's estimated strength on December 28, 1999.

+/- 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 December 28, 1999. The +/- value represents the standard deviation of that estimate; the player's true strength on December 28, 1999 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 December 28, 1999. 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 December 27, 1999. 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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