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Top 10 active players as of February 28, 1971


Top 500 active players as of February 28, 1971

  #  

Player Rating +/- Best? 75%? Age
1 Fischer, Robert J28555088.7% #127.96
2 Spassky, Boris V2743504.6% #734.08
3 Korchnoi, Viktor L2707480.9% #1339.93
4 Petrosian, Tigran V2706480.9% #1341.70
5 Larsen, Bent2704480.9% #1435.98
6 Botvinnik, Mikhail M2704551.5% #1559.53
7 Keres, Paul2694510.6% #1755.14
8 Stein, Leonid Z2687500.5% #1836.29
9 Smyslov, Vassily V2678490.3% #2149.92
10 Polugaevsky, Lev A2677490.2% #2136.27
11 Tal, Mikhail2671500.2% #2334.30
12 Portisch, Lajos2669480.1% #2333.89
13 Bronstein, David I2667510.2% #2547.03
14 Geller, Efim P2664490.1% #2545.98
15 Taimanov, Mark E2662500.1% #2645.06
16 Hort, Vlastimil264247 #3427.13
17 Tukmakov, Vladimir B263354 #4124.95
18 Gligoric, Svetozar263247 #3848.07
19 Gipslis, Aivars262752 #4234.05
20 Suetin, Alexey S262354 #4544.28
21 Krogius, Nikolay V261756 #5040.60
22 Uhlmann, Wolfgang261648 #4735.91
23 Smejkal, Jan261551 #4924.93
24 Vasiukov, Evgeny A261452 #5037.97
25 Savon, Vladimir A261054 #5330.42
26 Olafsson, Fridrik260754 #5536.09
27 Hübner, Robert260151 #5822.31
28 Darga, Klaus V260058 #6137.01
29 Gheorghiu, Florin260049 #5726.89
30 Karpov, Anatoly E259855 #6119.76
31 Ivkov, Borislav259747 #5837.29
32 Kholmov, Ratmir D259551 #6245.79
33 Schmid, Lothar M259256 #6642.80
34 Podgaets, Mikhail Y258858 #6923.60
35 Reshevsky, Samuel H258850 #6559.26
36 Najdorf, Miguel258851 #6660.86
37 Panno, Oscar R258850 #6635.94
38 Mecking, Henrique258251 #7019.10
39 Osnos, Viacheslav V258259 #7435.59
40 Zaitsev, Alexander N257852 #7435.70
41 Andersson, Ulf257652 #7619.67
42 Sanguinetti, Raúl C257663 #8138.07
43 Gufeld, Eduard E257654 #7634.94
44 Benko, Pal C257550 #7542.62
45 Unzicker, Wolfgang257352 #7745.67
46 Pfleger, Helmut257264 #8527.56
47 Liberzon, Vladimir M257052 #8033.93
48 Averbakh, Yury L257056 #8249.05
49 Khasin, Abram I256969 #9048.04
50 Matulovic, Milan256849 #8035.72
51 Furman, Semen A256754 #8350.24
52 Lutikov, Anatoly S256256 #8938.06
53 Evans, Larry M256158 #9038.93
54 Browne, Walter S255952 #8822.13
55 Balashov, Yury S255955 #9021.95
56 Bagirov, Vladimir K255955 #9134.53
57 Gurgenidze, Bukhuti I255659 #9537.29
58 Averkin, Orest N255463 #9927.01
59 Dzindzichashvili, Roman Y255365 #10126.81
60 Kavalek, Lubomir255050 #9527.55
61 Kupreichik, Viktor D254558 #10421.65
62 Matanovic, Aleksandar254450 #10040.76
63 Pachmann, Ludek254459 #10546.80
64 Shamkovich, Leonid A254354 #10347.74
65 Klovans, Janis254167 #11335.88
66 Dementiev, Oleg I254060 #10933.16
67 Kuzmin, Gennady P253959 #11025.11
68 Lombardy, William J253854 #10833.23
69 Pomar Salamanca, Arturo253752 #10739.49
70 Byrne, Robert E253352 #11042.85
71 Karaklajic, Nikola253370 #12145.01
72 Ciric, Dragoljub M253252 #11235.29
73 Nei, Iivo253058 #11739.33
74 Velimirovic, Dragoljub252964 #12228.79
75 Tringov, Georgy P252852 #11433.97
76 Zaitsev, Igor A252852 #11532.75
77 Filip, Miroslav252851 #11542.34
78 Platonov, Igor V252655 #11937.11
79 Kotov, Alexander A252665 #12657.54
80 Sakharov, Yury N252364 #12848.44
81 Parma, Bruno252349 #11829.16
82 Kurajica, Bojan252251 #12023.29
83 Gulko, Boris F252268 #13024.05
84 Tseshkovsky, Vitaly V252263 #12726.43
85 Lein, Anatoly251960 #12739.91
86 Kaplan, Julio P251560 #13120.59
87 Minic, Dragoljub251549 #12533.97
88 Antoshin, Vladimir S251453 #12841.79
89 Barcza, Gedeon251251 #13059.52
90 Kapengut, Albert Z251065 #13826.65
91 Donner, Johannes H251048 #12943.64
92 Szabó, László250950 #13153.94
93 Bolbochán, Julio250760 #13950.93
94 Kovacevic, Vladimir250658 #13828.92
95 Addison, William G250554 #13637.25
96 Penrose, Jonathan250457 #13937.39
97 Bilek, István250450 #13538.55
98 Byrne, Donald250260 #14340.71
99 Vaganian, Rafael A250058 #14219.37
100 Moe, Mogens249968 #14926.95
101 Malich, Burkhard G249852 34.25
102 Bobotsov, Milko G249751 39.41
103 Planinc, Albin249655 26.86
104 Ignatiev, Felix N249574 39.14
105 Rossolimo, Nicolas249359 60.99
106 Lengyel, Levente249349 37.71
107 Suttles, Duncan249253 25.19
108 Rodriguez, Ruben249270 24.22
109 Mednis, Edmar J249266 33.93
110 Hamann, Svend249158 30.39
111 Bukic, Enver249055 33.24
112 Schmidt, Wlodzimierz249054 27.88
113 Zuckerman, Bernard248960 27.90
114 Etruk, Rein T248870 32.93
115 Timman, Jan H248753 19.21
116 Rakic, Tomislav248667 36.30
117 Marovic, Dražen248553 33.12
118 Yanofsky, Daniel A248459 45.92
119 Jansson, Borje248357 28.95
120 Damjanovic, Mato248349 43.93
121 Teschner, Rudolf248266 49.03
122 Kraidman, Yair248160 38.32
123 Díez del Corral, Jesús248155 37.89
124 Gusev, Yury S248075 49.43
125 Robatsch, Karl247957 42.37
126 Padevsky, Nikola B247953 37.75
127 Hecht, Hans-Joachim247852 32.08
128 Minev, Nikolay N247762 40.14
129 Saidy, Anthony F247653 33.78
130 Karasev, Vladimir I247560 32.70
131 Nikolaevsky, Yuri V247571
132 Bogdanovic, Rajko247558 39.29
133 Mohrlok, Dieter247161
134 Ciocaltea, Victor247150 39.12
135 Pilnik, Herman247065 57.14
136 Grigorian, Karen A246967 23.47
137 Zhukhovitsky, Samuil M246860 54.21
138 Radulov, Ivan246753 32.14
139 Mikenas, Vladas246661 60.86
140 Forintos, Gyözö V246449 35.58
141 Barczay, Laszlo246249 35.02
142 Rossetto, Héctor D246253 48.47
143 Csom, István246250 30.74
144 Markland, Peter R246067 19.87
145 Lengyel, Laszlo245867 26.63
146 O'Kelly de Galway, Albéric245853 59.78
147 Bertok, Mario245753 41.49
148 Fuchs, Reinhart245757 36.42
149 Udovcic, Mijo245657 50.46
150 Mišta, Ladislav245658 27.33
151 Adorján, András245651 20.90
152 Geller, Uzi245564 40.09
153 Doroshkievich, Vladimir K245559 33.17
154 Prameshuber, Aleksander245565
155 Keene, Raymond245555
156 Haag, Ervin245459 38.13
157 Schweber, Samuel245454 34.62
158 Marangunic, Srdjan245366 27.33
159 Pribyl, Josef245263 23.38
160 Jansa, Vlastimil245250 28.25
161 Ghitescu, Theodor245152 37.09
162 Musil, Vojko245170 25.53
163 Johannessen, Svein245061 33.36
164 Guimard, Carlos E244963 57.89
165 Brinck Claussen, Bjorn244859
166 Nikolic, Stanimir244660 36.09
167 Johansson, Martin244566 52.56
168 Bisguier, Arthur B244554 41.39
169 Garcia, Raimundo244554 34.75
170 Dueball, Juergen244463 25.91
171 Bouwmeester, Henk B244463 41.45
172 Smederevac, Petar244458 48.51
173 Puc, Stojan244364 49.88
174 Emma, Jaime J244271 33.11
175 Quinteros, Miguel A244052 23.17
176 Pietzsch, Wolfgang W244057 40.19
177 Vooremaa, Andres244063 26.61
178 Ljubojevic, Ljubomir243859 20.32
179 Maric, Rudolf243860 43.79
180 Janoševic, Dragoljub243850 47.64
181 Daskalov, Georgi243862
182 Lehmann, Heinz Dr243759
183 Prins, Lodewijk243667 58.09
184 Hartston, William R243560 23.54
185 Sigurjónsson, Gudmundur243556 23.43
186 Dely, Peter243552 36.65
187 Tatai, Stefano243452 32.93
188 Tarve, Udo243374
189 Tseitlin, Mark D243360 27.43
190 Soltis, Andrew E243272 23.75
191 Cortlever, Nicolaas243158 55.71
192 Torre, Eugenio243174 19.32
193 Cosulich, Roberto243063
194 Arulaid, Alexander243074
195 Langeweg, Kick243050 33.97
196 Ree, Hans242749 26.45
197 Kestler, Hans-Günter242665 31.21
198 Scholl, Eddie C242652 26.36
199 Doda, Zbigniew242452 40.02
200 Hennings, Artur242452 30.63
201 Ostojic, Predrag242451 33.02
202 Westerinen, Heikki MJ242450 26.83
203 Amos, Bruce M242467 24.16
204 Ojanen, Kaarle Sakari242469
205 Kottnauer, Cenek242475 61.01
206 Vukic, Milan242357 27.53
207 Zilberstein, Valery I242368 27.87
208 Gerusel, Mathias242257 33.06
209 Kovacs, Miklos242274 38.61
210 Rogoff, Kenneth S242166 17.93
211 Sokolov, Vladimir242068 37.49
212 Spiridonov, Nikola242056 32.99
213 Cherepkov, Alexander V242075 50.33
214 Drimer, Dolfi242055 36.37
215 Radovici, Corvin242061 39.19
216 Maeder, Karl Heinz241961
217 Torán Albero, Román241954 39.39
218 Jiménez Zerquera, Eleazar241852 42.68
219 Liebert, Heinz241854 34.76
220 Messing, Hrvoje241868 30.59
221 Stoppel, Franz241769 39.40
222 Keller, Dieter241672 34.61
223 Vranesic, Zvonko241663 32.40
224 Soos, Bela241566 40.97
225 Christoph, Manfred241472 39.75
226 Cuéllar Gacharná, Miguel241458 54.28
227 Bednarski, Jacek B241453 31.95
228 Medina García, Antonio A241350 51.40
229 Borisenko, Georgy K241373 48.76
230 Moiseev, Oleg L241361 45.81
231 Kupka, Slavoj241261 28.64
232 Katalymov, Boris N241275
233 Zuidema, Coenraad241154
234 Kolarov, Atanas S241158 36.98
235 Honfi, Karoly241152 40.34
236 Kagan, Shimon241059 28.89
237 Siaperas, Triantafyllos240860 38.57
238 Mititelu, Gheorghe240874 36.33
239 Dueckstein, Andreas240757 43.57
240 Faibisovich, Vadim Z240776 26.80
241 Golz, Werner240659
242 Augustin, Josef240663 28.78
243 Zhuravliov, Valerij240371 32.21
244 Antunac, Goran240373 25.86
245 Bolbochán, Jácobo240374 64.17
246 Nowak, Erwin240371
247 Ujtumen, Tudev240355 31.50
248 Myagmarsuren, Lhamsuren240256 33.03
249 Naranja, Renato240154 30.43
250 Ungureanu, Emil240166 34.32
251 Kuijpers, Franciscus Antonius240154
252 Sofrevski, Jovan240062 35.53
253 Kostro, Jerzy239951 34.09
254 Knezevic, Milorad239965 34.33
255 Popov, Luben239755 35.08
256 McKay, Roderick M239774 19.05
257 Rubinetti, Jorge A239752 25.90
258 Peev, Peicho Chonev239762 30.90
259 Navarovszky, Laszlo239563 37.90
260 Murey, Yakov239575 29.57
261 Flesch, Janos239354 37.41
262 Patterson, Nicholas J239374
263 Porat, Yosef239272 61.72
264 Mihaljcisin, Mihajlo239265 38.02
265 Gaprindashvili, Nona239169 29.82
266 Trapl, Jindrich239173 28.92
267 Peretz, Malkiel239062 27.72
268 Böök, Eero239073 61.05
269 Kozma, Julius238957 41.74
270 Camara, Helder238959 34.06
271 Cvetkovic, Srdjan238869 24.99
272 Szily, József238664 57.40
273 Ribli, Zoltán238557 19.48
274 Polgar, Istvan238556 26.26
275 Clarke, Peter H238561
276 Spassov, Liuben238466 27.93
277 Rodriguez, Jo238467
278 Cobo Arteaga, Eldis238456
279 Klundt, Klaus238362 29.18
280 Zinn, Lothar238357 32.94
281 Adamski, Jan238352 27.30
282 Stupica, Janesz238264
283 Bhend, Edwin238267 39.47
284 Janata, Michael238271
285 Pelikán, Jorge238159 64.84
286 Schiffer, Karl Josef238171
287 Basman, Michael J238068 24.94
288 Calvo Minguez, Ricardo238059 27.35
289 Jakobsen, Ole238057 28.36
290 van Scheltinga, Tjeerd D238054 56.97
291 Espig, Lutz237953 22.15
292 Bachtiar, Arovah237874 36.92
293 Kinnmark, Ove237861 26.18
294 Bukal, Vladimir Sr237764 31.32
295 Zwaig, Arne237664
296 Bronstein, Luis237666 24.74
297 Filipowicz, Andrzej237555 32.79
298 Van Geet, Dirk Daniel237559 38.98
299 Kluger, Guyla237457 57.12
300 Toth, Bela237358 27.85
301 Ekenberg, Bengt237271
302 Sloth, Jorn237271 26.48
303 Kupper, Josef237271 38.96
304 Rocha, Antonio237163 26.71
305 Kovacs, Laszlo M237154 32.40
306 Ivanovic, Božidar237074 24.51
307 Baumbach, Friedrich237058 35.47
308 Thorbergsson, Freysteinn237065
309 Czerniak, Moshe236958 61.07
310 Glauser, Hansruedi236974 25.67
311 Kozomara, Vladimir236874
312 Sahovic, Dragutin236870 30.55
313 Pogats, Jozsef236773 42.63
314 Littlewood, John Eric236671
315 Grabczewski, Romuald236660 39.06
316 Kinzel, Anton236670
317 Szilágyi, György236558 49.65
318 Balcerowski, Witold236556 35.55
319 Corden, Martyn J236463
320 Ek, Hans236469 42.39
321 Plachetka, Jan236457 26.03
322 Lewi, Jerzy236358
323 Boey, Josef236364 36.78
324 Palermo, Vicente236168 38.95
325 Lechtynsky, Jiri236069 23.26
326 Nilsson, Zandor235968
327 Denker, Arnold S235762 57.02
328 Schaufelberger, Heinz235759 23.28
329 Hartoch, Robert G235651
330 Tompa, Janos235571 23.83
331 Mestrovic, Zvonimir235558 26.36
332 Nicevski, Risto235454 25.67
333 Matkowski, Wiktor235476
334 Masic, Ljubomir235361 34.65
335 Foguelman, Alberto235368 47.37
336 Faragó, Iván235357 24.90
337 Cebalo, Mišo235272 26.06
338 Pedersen, Karl235067 30.42
339 Blatny, Frantisek235063 37.90
340 Van Baarle, C John234966 25.85
341 Krabbe, Tim234658 27.87
342 Schoeneberg, Manfred234555 24.64
343 Ujtelky, Maximilián234558 55.85
344 Rodriguez Vargas, Orestes234566 27.65
345 Kirov Ivanov, Nino234473 25.47
346 Witkowski, Stefan234457 39.42
347 Hernandez, Roman234366 21.26
348 Liptay, Laszlo234272 33.65
349 Grdinic, Zvonimir234274 32.18
350 Holm, Sejer234264 31.55
351 Belkadi, Ridha234167 45.84
352 Wade, Robert Graham233953
353 Deze, Anton233962
354 Holaszek, Hans233962
355 Gereben, Ernö233960 63.69
356 Bouaziz, Slim233764 20.86
357 Levy, David Neil Lawrence233759
358 Fuller, Maxwell L233661 26.08
359 Visier Segovia, Fernando233662 28.07
360 Partos, Charles233574 34.55
361 Brond, Victor233574
362 Jacobsen, Bo233470 22.21
363 Enevoldsen, Jens233469 63.43
364 Agdamus, Jose Luis233363
365 Boudy, Julio233168 19.71
366 Gliksman, Darko233066 33.39
367 Ljungqvist, Lennart233071
368 Pietrusiak, Bogdan232964 37.62
369 Norby, Peter H232869 30.67
370 Lehmann, Karl Heinz232868
371 Ilievski, Borce232773 35.53
372 Sandor, Bela232769 51.21
373 Cafferty, Bernard232775 36.67
374 Quinones, Oscar Carillo232474
375 Van den Berg, Carel Benjamin232461
376 Olsson, Ake232360 36.82
377 Gasiorowski, Ryszard232367 35.21
378 Pritchett, Craig William232267
379 Domnitz, Zadok232165 37.37
380 Golombek, Harry231971 59.98
381 Vadasz, Laszlo231956 23.09
382 Yepez Obando, Olavo231864
383 Kiffmeyer, Constanz231776
384 Sax, Gyula231759 19.69
385 Juarez, Carlos Eleodoro231670 32.66
386 Prochownik, Franciszek231573 36.28
387 Barendregt, Johan Teunis231566
388 Mariotti, Sergio231563 24.55
389 Jongsma, Alexander231456 32.74
390 Jankovec, Ivan231468 32.36
391 Steiner, Ulrich A231372 31.23
392 Skold, Kristian231369
393 Wotulo, Max231170 38.56
394 Sydor, Andrzej231157 34.15
395 De Castro, Edgar231172
396 Bajec, Ivo231073 38.84
397 Moehring, Guenther231058 34.26
398 Martinovic, Slobodan230872 25.59
399 Neukirch, Detlef230759 30.55
400 De Greif, Boris230775 41.04
401 Whiteley, Andrew J230573 23.72
402 Hlousek, Zdenek230568
403 Menvielle Lacourrelle, Augusto230575 32.54
404 Ulvestad, Olaf230569 58.34
405 Cornelis, Frans B230468 29.14
406 Burger, Karl230472 38.10
407 Filep, Tibor230363 35.17
408 Ocampo, Raul2230273
409 Banas, Jan230266 23.73
410 Debarnot, Roberto229972 23.56
411 Vogt, Lothar H229855 19.11
412 Cuartas, Carlos229864 30.54
413 Troianescu, Octav229764 55.06
414 Petersen, Finn229763 30.83
415 Gromek, Jozef229670 39.85
416 Paoli, Enrico229455 63.12
417 Pedersen, Eigil229370
418 Durao, Joaquim229361 40.34
419 Wibe, Terje229276 23.39
420 Letelier Martner, René229265 55.44
421 Sapi, Laszlo229161 35.93
422 Shaw, Terrey Ian229175
423 Panov, Vasily N229072 64.32
424 Kramer, Haije229067 53.26
425 Heidenfeld, Wolfgang229070
426 Ozsvath, Andras229073 41.53
427 Poch, Cesar Guillermo228868
428 Donnelly, Brian228867
429 Garcia Martinez, Silvino228856 26.65
430 Thorsteinsson, Bjorn228676
431 Hradeczky, Tamas228476 22.89
432 Knox, Victor W228474 26.10
433 Roehrl, Karl228465 30.13
434 Mashian, Yaacov228470 32.20
435 Ocampo Vargas, Raul228369
436 Pytel, Krzysztof228161 25.79
437 Beyen, Roland228173 38.89
438 Andersson, Bengt228073 37.36
439 Ortega, Rogelio228069
440 Hoen, Ragnar228064 30.40
441 Garcia, Horacio227967
442 Van Riemsdijk, Herman C227865 22.51
443 Brostrom, Goran227773 28.83
444 Braun, Gottfried227768 37.66
445 Zichichi, Alvise227662 32.65
446 Luckis, Marcos227571 66.11
447 De la Vega, Hector227575 44.94
448 Bibiloni, Jorge Jaime227574
449 Botterill, George Steven227469
450 Bjerre, Troels227476 23.53
451 Hamilton, Douglas G227371 29.54
452 Zinser, Sylvain227363
453 Safvat, Y.227276
454 Sirkia, Mauri O227273 23.61
455 Kristinsson, S.227273
456 Huguet, Bernard227162 37.91
457 Gasic, Bozidar226972 33.38
458 Janetschek, Karl226771 30.86
459 Kristinsson, Jon226773 28.70
460 Kazilaris, Nikolaos226676 29.01
461 Malagon, Alberto226673
462 Riego Prieto, Victorio226569
463 Cibulka, Vladimir226474 29.32
464 Koskinen, Heikki226472
465 Incutto, Carlos226374
466 Hook, William226266
467 Portisch, Ferenc226168 31.88
468 Cuasnicu, Oscar226173 28.34
469 Csulits, Anton226066 28.90
470 Bellon Lopez, Juan Manuel225961 20.80
471 Garcia, Gilberto225868
472 Piket, Joop J225760 30.21
473 Schmitz, Bernd225773
474 Cordovil, Joao225762 24.84
475 Vizantiadis, Lazaros225764 32.90
476 Gross, Stefan225671 21.50
477 Yoffie, Marc225573 23.54
478 Brueggemann, Joachim225164 19.40
479 McDonald Ross, Michael225175
480 Sarapu, Ortvin225071 47.11
481 Friedgood, David224972 24.63
482 Trikaliotis, Georgios224873 32.01
483 Brameyer, Hermann224762 31.54
484 Duraku224776
485 Knaak, Rainer F224560 17.94
486 Balogh, Bela224576 40.03
487 Novak, Ivan224567 28.09
488 Kristjansson, Bragi224468 26.14
489 Lhagva, Jambaldoo224469 26.47
490 Bredewout, Henk224469 34.25
491 Godoy Bugueno, David A224473
492 Beni, Alfred224171 47.73
493 Day, Lawrence A224169 22.07
494 Lombard, Andre224163 20.44
495 Malmdin, Nils Ake224074
496 Diaz, Joaquin C224072 22.65
497 Toth, Peter224074 30.47
498 Moles, John224075 21.43
499 Zorigt, D.223873
500 Mazzoni, Guy223774 36.42

These ratings, calculated as of February 28, 1971, incorporate all games (against rated opponents) played in the time between March 1, 1970 and February 28, 1971, along with the ratings that were already calculated as of February 28, 1970. 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 February 28, 1971. This represents the player's estimated strength on March 1, 1971.

+/- 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 March 1, 1971. The +/- value represents the standard deviation of that estimate; the player's true strength on March 1, 1971 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 March 1, 1971. 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 February 28, 1971. 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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