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Top 10 active players as of October 31, 1971

  #  

Player Rating +/-
1 Fischer, Robert J290550
2 Spassky, Boris V274652
3 Korchnoi, Viktor L271849
4 Botvinnik, Mikhail M270160
5 Stein, Leonid Z269950
6 Petrosian, Tigran V269849
7 Tal, Mikhail269251
8 Polugaevsky, Lev A269050
9 Keres, Paul268651
10 Larsen, Bent268349

About these ratings

Top 500 active players as of October 31, 1971

  #  

Player Rating +/- Best? 75%? Age
1 Fischer, Robert J29055097.4% #128.64
2 Spassky, Boris V2746521.4% #734.75
3 Korchnoi, Viktor L2718490.3% #1140.61
4 Botvinnik, Mikhail M2701600.4% #1660.20
5 Stein, Leonid Z2699500.1% #1536.96
6 Petrosian, Tigran V2698490.1% #1542.37
7 Tal, Mikhail2692510.1% #1734.97
8 Polugaevsky, Lev A2690500.1% #1836.94
9 Keres, Paul2686510.1% #1955.81
10 Larsen, Bent268349 #1936.66
11 Smyslov, Vassily V267349 #2350.60
12 Portisch, Lajos266148 #2734.57
13 Savon, Vladimir A266152 #2831.10
14 Hort, Vlastimil265347 #3027.80
15 Bronstein, David I264550 #3447.70
16 Smejkal, Jan263751 #3825.61
17 Taimanov, Mark E263650 #3945.73
18 Geller, Efim P263349 #3946.66
19 Suetin, Alexey S263057 #4444.95
20 Karpov, Anatoly E262853 #4420.44
21 Hübner, Robert262151 #4722.98
22 Vasiukov, Evgeny A262054 #4938.65
23 Olafsson, Fridrik261655 #5236.76
24 Gligoric, Svetozar261247 #5148.74
25 Uhlmann, Wolfgang261049 #5236.59
26 Gipslis, Aivars260852 #5634.73
27 Tukmakov, Vladimir B260652 #5625.63
28 Krogius, Nikolay V260555 #5941.27
29 Kholmov, Ratmir D260054 #6146.47
30 Ivkov, Borislav260047 #5937.96
31 Schmid, Lothar M259661 #6843.47
32 Andersson, Ulf259552 #6420.34
33 Panno, Oscar R259450 #6336.62
34 Gheorghiu, Florin259050 #6727.57
35 Darga, Klaus V258562 #7637.69
36 Sanguinetti, Raúl C258567 #8038.74
37 Gufeld, Eduard E258456 #7435.62
38 Osnos, Viacheslav V258363 #7836.27
39 Benko, Pal C258250 #7343.29
40 Reshevsky, Samuel H258050 #7459.92
41 Mecking, Henrique257951 #7419.77
42 Furman, Semen A257556 #8150.91
43 Averbakh, Yury L257356 #8249.73
44 Najdorf, Miguel257252 #8161.54
45 Unzicker, Wolfgang257153 #8346.35
46 Browne, Walter S257050 #8222.81
47 Bagirov, Vladimir K256855 #8635.21
48 Gurgenidze, Bukhuti I256761 #9137.96
49 Liberzon, Vladimir M256753 #8634.61
50 Evans, Larry M256657 #8939.61
51 Matulovic, Milan256550 #8636.39
52 Podgaets, Mikhail Y256158 #9324.27
53 Balashov, Yury S256153 #9122.63
54 Pachmann, Ludek256164 #9847.47
55 Lutikov, Anatoly S255859 #9738.74
56 Shamkovich, Leonid A255654 #9748.41
57 Kapengut, Albert Z255457 #9927.32
58 Klovans, Janis255473 #10936.56
59 Szabó, László255350 #9754.62
60 Kavalek, Lubomir255350 #9728.23
61 Dzindzichashvili, Roman Y255358 #10227.49
62 Zaitsev, Alexander N255252 #9836.37
63 Pfleger, Helmut255158 #10228.23
64 Kuzmin, Gennady P254959 #10525.78
65 Averkin, Orest N254970 #11227.68
66 Gulko, Boris F254973 #11324.73
67 Marangunic, Srdjan254261 #11227.99
68 Matanovic, Aleksandar254251 #10641.44
69 Lombardy, William J254259 #11233.90
70 Etruk, Rein T253967 #11833.61
71 Platonov, Igor V253854 #11137.79
72 Byrne, Robert E253854 #11243.53
73 Pomar Salamanca, Arturo253653 #11340.16
74 Dementiev, Oleg I253661 #11733.83
75 Sakharov, Yury N253572 #12549.12
76 Kurajica, Bojan253352 #11523.95
77 Kupreichik, Viktor D253160 #12122.33
78 Parma, Bruno253049 #11629.83
79 Zaitsev, Igor A252854 #12133.43
80 Filip, Miroslav252852 #12043.01
81 Ciric, Dragoljub M252754 #12135.96
82 Kotov, Alexander A252671 #13258.22
83 Donner, Johannes H252648 #11944.32
84 Lein, Anatoly252557 #12640.59
85 Karasev, Vladimir I252355 #12533.37
86 Antoshin, Vladimir S252353 #12442.46
87 Kovacevic, Vladimir252259 #12829.60
88 Tringov, Georgy P252252 #12434.65
89 Tseshkovsky, Vitaly V252266 #13327.10
90 Vaganian, Rafael A252253 #12520.04
91 Minic, Dragoljub252149 #12434.65
92 Malich, Burkhard G252153 #12634.92
93 Barcza, Gedeon252053 #12760.19
94 Velimirovic, Dragoljub251958 #13129.47
95 Markland, Peter R251762 #13420.55
96 Kaplan, Julio P251766 #13821.27
97 Nei, Iivo251558 #13439.99
98 Grigorian, Karen A251358 #13524.15
99 Addison, William G251155 #13737.92
100 Marovic, Dražen251054 #13633.80
101 Planinc, Albin250954 27.54
102 Bolbochán, Julio250864 51.61
103 Schmidt, Wlodzimierz250654 28.56
104 Byrne, Donald250564 41.38
105 Nikolaevsky, Yuri V250260
106 Lengyel, Levente250150 38.38
107 Mednis, Edmar J250172 34.61
108 Kraidman, Yair249659 38.99
109 Bilek, István249450 39.22
110 Yanofsky, Daniel A249464 46.60
111 Bukic, Enver249357 33.91
112 Ciocaltea, Victor249351 39.79
113 Suttles, Duncan249154 25.85
114 Damjanovic, Mato249049 44.61
115 Hecht, Hans-Joachim249051 32.76
116 Forintos, Gyözö V249050 36.25
117 Rakic, Tomislav248875 36.96
118 Bobotsov, Milko G248850 40.09
119 Bogdanovic, Rajko248857 39.95
120 Keene, Raymond248553
121 Rossolimo, Nicolas248563 61.67
122 Robatsch, Karl248463 43.05
123 Teschner, Rudolf248361 49.71
124 Jansa, Vlastimil248251 28.92
125 Padevsky, Nikola B248255 38.42
126 Penrose, Jonathan248159 38.06
127 Tseitlin, Mark D247755 28.11
128 Mikenas, Vladas247762 61.54
129 Karner, Hillar247670 36.26
130 Barczay, Laszlo247250 35.69
131 Quinteros, Miguel A247252 23.84
132 Ghitescu, Theodor247253 37.77
133 Lengyel, Laszlo247169 27.31
134 Pilnik, Herman247059 57.81
135 Zuckerman, Bernard247057 28.58
136 Udovcic, Mijo246964 51.14
137 Csom, István246951 31.41
138 Hamann, Svend246860 31.06
139 Adorján, András246850 21.58
140 Ree, Hans246850 27.13
141 Díez del Corral, Jesús246859 38.57
142 Radulov, Ivan246752 32.81
143 Pribyl, Josef246657 24.05
144 Rossetto, Héctor D246655 49.15
145 Haag, Ervin246465 38.80
146 O'Kelly de Galway, Albéric246455 60.45
147 Romanishin, Oleg M246365 19.81
148 Fuchs, Reinhart246361 37.09
149 Hug, Werner246364 19.14
150 Prameshuber, Aleksander246268
151 Saidy, Anthony F246254 34.46
152 Minev, Nikolay N246158 40.81
153 Timman, Jan H246052 19.87
154 Zhukhovitsky, Samuil M246065 54.88
155 Mišta, Ladislav246062 27.99
156 Tatai, Stefano245953 33.61
157 Schweber, Samuel245654 35.29
158 Puc, Stojan245573 50.56
159 Dely, Peter245553 37.32
160 Doroshkievich, Vladimir K245455 33.84
161 Moe, Mogens245373 27.63
162 Bouwmeester, Henk B245369 42.12
163 Maric, Rudolf245364 44.47
164 Sigurjónsson, Gudmundur245159 24.10
165 Pietzsch, Wolfgang W245162 40.85
166 Guimard, Carlos E245170 58.57
167 Vooremaa, Andres245059 27.28
168 Mohrlok, Dieter245070
169 Dueball, Juergen245058 26.59
170 Maeder, Karl Heinz245063
171 Johansson, Martin244965 53.23
172 Janoševic, Dragoljub244950 48.31
173 Bertok, Mario244954 42.16
174 Cortlever, Nicolaas244961 56.38
175 Kagan, Shimon244858 29.57
176 Westerinen, Heikki MJ244750 27.51
177 Garcia, Raimundo244756 35.43
178 Nikolic, Stanimir244661 36.76
179 Smederevac, Petar244663 49.18
180 Geller, Uzi244560 40.76
181 Jansson, Borje244457 29.63
182 Soltis, Andrew E244372 24.42
183 Johannessen, Svein244066 34.04
184 Bisguier, Arthur B244053 42.06
185 Messing, Hrvoje244060 31.26
186 Bleiman, Yaacov243963 24.15
187 Spiridonov, Nikola243956 33.67
188 Prins, Lodewijk243973 58.76
189 Pohla, Harry243871 31.33
190 Capelan, Guenter243662 39.26
191 Tarve, Udo243668
192 Rogoff, Kenneth S243559 18.61
193 Brinck Claussen, Bjorn243459
194 Zilberstein, Valery I243468 28.55
195 Ostojic, Predrag243455 33.69
196 Daskalov, Georgi243362
197 Hernandez, Roman243359 21.93
198 Langeweg, Kick243351 34.65
199 Torán Albero, Román243257 40.06
200 Hartston, William R243260 24.22
201 Sax, Gyula243257 20.37
202 Cosulich, Roberto243058
203 Hennings, Artur242953 31.30
204 Pedersen, Karl242862 31.09
205 Lehmann, Heinz Dr242760
206 Nowak, Erwin242774
207 Stoppel, Franz242774 40.08
208 Kostro, Jerzy242552 34.77
209 Vukic, Milan242457 28.20
210 Peev, Peicho Chonev242466 31.58
211 Schiffer, Karl Josef242259
212 Sokolov, Vladimir242271 38.17
213 Jakobsen, Ole242258 29.03
214 Ljubojevic, Ljubomir242157 20.99
215 Radovici, Corvin242166 39.86
216 Cuéllar Gacharná, Miguel242162 54.95
217 Moiseev, Oleg L242162 46.48
218 Kovacs, Miklos242171 39.29
219 Kuijpers, Franciscus Antonius242056
220 Zwaig, Arne242073
221 Kestler, Hans-Günter242068 31.88
222 Popov, Luben242058 35.76
223 Peretz, Malkiel241959 28.39
224 Drimer, Dolfi241958 37.04
225 Kozma, Julius241856 42.41
226 Spassov, Liuben241868 28.61
227 Dueckstein, Andreas241763 44.24
228 Soos, Bela241772 41.65
229 Jiménez Zerquera, Eleazar241753 43.35
230 Faragó, Iván241657 25.58
231 Vranesic, Zvonko241569 33.07
232 Naranja, Renato241455 31.10
233 Golz, Werner241465
234 Cobo Arteaga, Eldis241456
235 Navarovszky, Laszlo241367 38.58
236 Antunac, Goran241374 26.54
237 Gerusel, Mathias241356 33.74
238 Sofrevski, Jovan241266 36.20
239 Christoph, Manfred241267 40.42
240 Bhend, Edwin241070 40.14
241 Toth, Bela241059 28.53
242 Kolarov, Atanas S240957 37.66
243 Gaprindashvili, Nona240860 30.49
244 Medina García, Antonio A240851 52.08
245 Amos, Bruce M240772 24.83
246 Zuidema, Coenraad240755
247 Augustin, Josef240671 29.45
248 Honfi, Karoly240652 41.02
249 Espig, Lutz240652 22.82
250 Ribli, Zoltán240557 20.15
251 Doda, Zbigniew240552 40.69
252 Bukal, Vladimir Sr240459 31.99
253 Kupka, Slavoj240458 29.31
254 Basman, Michael J240271 25.62
255 Hartoch, Robert G240151
256 Liebert, Heinz240053 35.44
257 Kinnmark, Ove240058 26.85
258 Myagmarsuren, Lhamsuren239958 33.70
259 Ungureanu, Emil239968 34.99
260 Ghizdavu, Dumitru239970 22.44
261 Bednarski, Jacek B239753 32.63
262 Adamski, Jan239756 27.96
263 Knezevic, Milorad239772 34.99
264 Flesch, Janos239656 38.09
265 Siaperas, Triantafyllos239459 39.25
266 Estrin, Yacov B239362 48.53
267 Mihaljcisin, Mihajlo239265 38.69
268 Szily, József239270 58.08
269 Clarke, Peter H239262
270 Ujtumen, Tudev239155 32.18
271 Tompa, Janos239070 24.50
272 van Scheltinga, Tjeerd D238957 57.65
273 Radev, Nikolai238971 32.86
274 Polgar, Istvan238957 26.92
275 Filipowicz, Andrzej238958 33.47
276 Zhuravliov, Valerij238873 32.88
277 Scholl, Eddie C238854 27.04
278 Rubinetti, Jorge A238852 26.58
279 Camara, Helder238763 34.73
280 Ubilava, Elizbar E238776 21.18
281 Stupica, Janesz238773
282 Mititelu, Gheorghe238662 37.00
283 Thorbergsson, Freysteinn238670
284 Klundt, Klaus238665 29.84
285 Ek, Hans238566 43.07
286 Calvo Minguez, Ricardo238562 28.02
287 Kluger, Guyla238358 57.79
288 Kovacs, Laszlo M238357 33.07
289 Littlewood, John Eric238368
290 Palermo, Vicente238174 39.63
291 Belkadi, Ridha238175 46.52
292 Mariotti, Sergio238160 25.22
293 Baumbach, Friedrich238059 36.15
294 Lee, Peter N238068
295 Pelikán, Jorge237962 65.52
296 Sloth, Jorn237965 27.15
297 Zinn, Lothar237959 33.62
298 Czerniak, Moshe237858 61.74
299 Lechtynsky, Jiri237659 23.93
300 Mestrovic, Zvonimir237656 27.04
301 Lewi, Jerzy237662
302 Eising, Johannes237570 36.42
303 Nicevski, Risto237455 26.34
304 Van Geet, Dirk Daniel237459 39.66
305 Schoeneberg, Manfred237357 25.32
306 Bronstein, Luis237274 25.41
307 Janata, Michael237175
308 Corden, Martyn J237168
309 Rodriguez, Jo237161
310 Balcerowski, Witold236958 36.22
311 Richter, Ka236964
312 Kinzel, Anton236876
313 Boey, Josef236769 37.46
314 Liljedahl, Lennart236760 24.18
315 Nilsson, Zandor236771
316 Botterill, George Steven236668
317 Blatny, Frantisek236667 38.58
318 Szilágyi, György236663 50.32
319 Rocha, Antonio236570 27.38
320 Rukavina, Josip236564 28.92
321 Olsson, Ake236460 37.49
322 Levy, David Neil Lawrence236461
323 Wade, Robert Graham236454
324 Iym, Tonu236273 30.37
325 Krabbe, Tim236260 28.55
326 Hlousek, Zdenek236159
327 Van Baarle, C John235972 26.53
328 Masic, Ljubomir235864 35.32
329 Plachetka, Jan235756 26.70
330 Hjorth, Sune235767
331 Ekenberg, Bengt235767
332 Foguelman, Alberto235574 48.05
333 Brostrom, Goran235465 29.51
334 Williams, Arthur Howard235469
335 Pritchett, Craig William235169
336 Enklaar, Bertus F235066
337 Denker, Arnold S235062 57.69
338 Witkowski, Stefan234959 40.09
339 Brond, Victor234961
340 Knox, Victor W234870 26.77
341 Holm, Sejer234663 32.22
342 Vogt, Lothar H234455 19.79
343 Holaszek, Hans234470
344 Ujtelky, Maximilián234365 56.53
345 Gliksman, Darko234262 34.07
346 Gereben, Ernö234265 64.37
347 Whiteley, Andrew J234269 24.39
348 Fuller, Maxwell L234066 26.76
349 Deze, Anton233966
350 Grabczewski, Romuald233857 39.73
351 Pietrusiak, Bogdan233868 38.30
352 Sahovic, Dragutin233574 31.23
353 Visier Segovia, Fernando233465 28.74
354 Manasterski, Lutoslaw233361 34.72
355 Kirov Ivanov, Nino233374 26.14
356 Skold, Kristian233172
357 Poch, Cesar Guillermo233159
358 Cuartas, Carlos232872 31.21
359 Jacobsen, Bo232768 22.88
360 Rodriguez Vargas, Orestes232674 28.32
361 Gasiorowski, Ryszard232670 35.88
362 Hvenekilde, Jorgen232574 36.17
363 Jankovec, Ivan232571 33.04
364 Kiffmeyer, Constanz232476
365 Malmgren, Sven Goran232372
366 Troianescu, Octav232356 55.73
367 Schaufelberger, Heinz232360 23.94
368 Enevoldsen, Jens232375 64.11
369 Paoli, Enrico232355 63.80
370 Domnitz, Zadok232171 38.04
371 Ludgate, Alan232175 26.17
372 Alexandria, Nana232074 22.05
373 Yepez Obando, Olavo232066
374 Agdamus, Jose Luis231962
375 Prochownik, Franciszek231973 36.95
376 Filep, Tibor231970 35.84
377 Wright, Daniel231770
378 Braun, Gottfried231767 38.34
379 Sydor, Andrzej231758 34.83
380 Akvist, Hakan231771 30.01
381 Garcia Martinez, Silvino231659 27.32
382 Vadasz, Laszlo231557 23.76
383 Portisch, Ferenc231465 32.56
384 Pytel, Krzysztof231456 26.46
385 Norby, Peter H231368 31.34
386 Banas, Jan231366 24.41
387 Sumiacher, Carlos231363
388 Van den Berg, Carel Benjamin231261
389 Bouaziz, Slim231270 21.54
390 Jongsma, Alexander231261 33.41
391 Debarnot, Roberto231175 24.24
392 Moehring, Guenther231160 34.93
393 Kanko, Ilkka231072 36.94
394 Sapi, Laszlo230966 36.61
395 Brueggemann, Joachim230863 20.08
396 Malmdin, Nils Ake230764
397 Letelier Martner, René230659 56.11
398 Lehmann, Karl Heinz230567
399 Bellon Lopez, Juan Manuel230464 21.48
400 Ljungqvist, Lennart230267
401 Hoen, Ragnar230170 31.07
402 Roehrl, Karl229972 30.80
403 Neukirch, Detlef229861 31.23
404 Gromek, Jozef229572 40.53
405 Van Riemsdijk, Herman C229569 23.18
406 Sarapu, Ortvin229474 47.78
407 Zichichi, Alvise229460 33.32
408 Ortega, Rogelio229171
409 Durao, Joaquim229163 41.02
410 Pedersen, Eigil229174
411 Juarez, Carlos Eleodoro229161 33.34
412 Kolbak, Jens228769 26.74
413 Kivioja, Endel228673
414 Vark, K.228673
415 Ocampo Vargas, Raul228672
416 Barendregt, Johan Teunis228462
417 Panov, Vasily N228471 64.99
418 Garcia, Horacio228367
419 Cordovil, Joao227865 25.52
420 Gasic, Bozidar227772 34.05
421 Zinser, Sylvain227771
422 Knaak, Rainer F227561 18.62
423 Kristjansson, Bragi227370 26.81
424 McDonald Ross, Michael227274
425 Saren, Ilkka J226876 31.46
426 Vizantiadis, Lazaros226669 33.58
427 Brameyer, Hermann226462 32.21
428 Huguet, Bernard226266 38.59
429 Mashian, Yaacov226172 32.87
430 Hempson, Peter W226075 35.70
431 Piket, Joop J225964 30.87
432 Bonner, Gerald225869 30.50
433 Gross, Stefan225771 22.17
434 Petersen, Finn225763 31.51
435 Nordstrom, Felix225576 27.40
436 Camilleri, Henry225571
437 Donnelly, Brian225476
438 Trincardi, Tullio225372 35.61
439 Szekely, Mihaly225074
440 Day, Lawrence A224969 22.75
441 Kristjansson, Olafur224971 29.17
442 Novak, Ivan224769 28.76
443 Bjerre, Troels224572 24.21
444 Caro, Alberto N224169
445 Lombard, Andre224169 21.12
446 Hurme, Harri M223973 26.41
447 Schmitz, Bernd223675
448 Postler, Reinhard223663 26.84
449 Boehnisch, Manfred223361 30.54
450 Sperber, Goran223373
451 Lukacs, Peter223062 21.31
452 Kivipelto, Kaj Erik222973
453 Csulits, Anton222766 29.58
454 Ardiansyah, Haji222571 19.90
455 Cappello, Guido222372
456 Hook, William222071
457 Mazzoleni, Julio222071 41.21
458 Lamas, Pedro221969
459 Colon, Arturo221972
460 Sigurjonsson, Bjorn221271
461 Villarroel, Geber220966
462 Estrada Degrandi, Walter220475
463 Feller, Joseph220473 27.76
464 Pritchard, David B220272
465 Palmiotto, Fiorentino220174
466 Sznapik, Aleksander220074 20.72
467 Ledic, Tomislav220072 35.24
468 Godoy Bugueno, David A220074
469 Danov, Kiril220063
470 Stull, Norbert219969 28.88
471 Fernandez, Ignacio219474
472 Silva Sánchez, Carlos219476 27.37
473 Dietze, Wolfgang219258 21.37
474 Baretic, Dragoljub219066 35.57
475 Kuettner, Uwe218471
476 Kort, Jacob218465 28.72
477 Balogh, Bela218274 40.70
478 Hradeczky, Tamas218274 23.57
479 Fernandez, Ciro A218263 24.24
480 Magrin, Antonio217671
481 Van der Weide, Piet217661 28.59
482 Morant, Paul217176 25.93
483 Ozanic, Marijan217072 24.15
484 Primavera, Giuseppe216970
485 Farah, Rodolfo216875 40.29
486 Sämisch, Friedrich216576 75.11
487 Dienavorian, Manuel216175 33.63
488 Mendivil, Ismael215975
489 Aspstrom, Yngve215773 40.31
490 Carlsson, Aake215773
491 Pfeil, Hartmut215264
492 Riego Prieto, Victorio214774
493 Schmidt, H.214467
494 Tomic, Dragoslav214372 30.82
495 Slujssar214271
496 Garcia Tore, Francisco214176
497 Engert, Immo214073 65.22
498 Diano, D.212872
499 Privara, Igor212471 22.88
500 Peters, Paul211873

These ratings, calculated as of October 31, 1971, incorporate all games (against rated opponents) played in the time between November 1, 1970 and October 31, 1971, along with the ratings that were already calculated as of October 31, 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 October 31, 1971. This represents the player's estimated strength on November 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 November 1, 1971. The +/- value represents the standard deviation of that estimate; the player's true strength on November 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 November 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 October 31, 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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