< October 31, 1970     Back to date list    February 28, 1971 >

Top 10 active players as of December 31, 1970

  #  

Player Rating +/-
1 Fischer, Robert J286049
2 Spassky, Boris V274950
3 Larsen, Bent270848
4 Botvinnik, Mikhail M270354
5 Keres, Paul269451
6 Korchnoi, Viktor L269049
7 Petrosian, Tigran V268549
8 Portisch, Lajos268048
9 Taimanov, Mark E267749
10 Polugaevsky, Lev A267649

About these ratings

Top 500 active players as of December 31, 1970

  #  

Player Rating +/- Best? 75%? Age
1 Fischer, Robert J28604990.2% #127.81
2 Spassky, Boris V2749504.9% #633.91
3 Larsen, Bent2708480.8% #1335.82
4 Botvinnik, Mikhail M2703541.2% #1559.37
5 Keres, Paul2694510.6% #1754.98
6 Korchnoi, Viktor L2690490.4% #1839.77
7 Petrosian, Tigran V2685490.3% #1941.54
8 Portisch, Lajos2680480.2% #2033.74
9 Taimanov, Mark E2677490.2% #2244.89
10 Polugaevsky, Lev A2676490.2% #2236.11
11 Geller, Efim P2675490.1% #2245.83
12 Tal, Mikhail2675510.2% #2334.14
13 Stein, Leonid Z2673500.2% #2336.13
14 Smyslov, Vassily V2668490.1% #2549.77
15 Hort, Vlastimil264947 #3126.96
16 Bronstein, David I2647510.1% #3446.86
17 Suetin, Alexey S264153 #3744.12
18 Savon, Vladimir A263653 #3930.26
19 Tukmakov, Vladimir B263352 #4124.79
20 Gligoric, Svetozar262847 #4247.91
21 Gipslis, Aivars262452 #4533.89
22 Najdorf, Miguel262252 #4760.71
23 Krogius, Nikolay V261757 #5240.44
24 Uhlmann, Wolfgang261348 #5035.76
25 Vasiukov, Evgeny A261253 #5337.82
26 Furman, Semen A260657 #5950.08
27 Darga, Klaus V260558 #6136.85
28 Hübner, Robert260253 #5922.15
29 Kholmov, Ratmir D259851 #6145.63
30 Osnos, Viacheslav V259661 #6835.44
31 Schmid, Lothar M259556 #6642.64
32 Karpov, Anatoly E259455 #6619.61
33 Olafsson, Fridrik259454 #6635.92
34 Podgaets, Mikhail Y259157 #6923.44
35 Reshevsky, Samuel H259149 #6559.10
36 Benko, Pal C258949 #6642.46
37 Gheorghiu, Florin258849 #6726.73
38 Panno, Oscar R258749 #6935.79
39 Ivkov, Borislav258547 #6937.13
40 Unzicker, Wolfgang258151 #7445.51
41 Smejkal, Jan258052 #7524.77
42 Kuzmin, Gennady P257961 #8124.94
43 Sanguinetti, Raúl C257664 #8537.90
44 Khasin, Abram I257369 #9147.87
45 Gurgenidze, Bukhuti I257261 #8737.13
46 Andersson, Ulf257152 #8319.51
47 Gufeld, Eduard E256852 #8534.78
48 Pfleger, Helmut256765 #9327.40
49 Averbakh, Yury L256655 #8848.89
50 Liberzon, Vladimir M256552 #8733.77
51 Dzindzichashvili, Roman Y256470 #9926.65
52 Matulovic, Milan256348 #8735.56
53 Kavalek, Lubomir256149 #8927.39
54 Zaitsev, Alexander N256053 #9235.54
55 Lutikov, Anatoly S255856 #9637.90
56 Balashov, Yury S255854 #9521.80
57 Bagirov, Vladimir K255656 #9734.37
58 Averkin, Orest N255663 #10126.84
59 Mecking, Henrique255652 #9518.93
60 Evans, Larry M255458 #10038.77
61 Lombardy, William J254954 #10233.07
62 Byrne, Robert E254852 #10242.70
63 Pachmann, Ludek254859 #10646.64
64 Browne, Walter S254851 #10221.97
65 Parma, Bruno254449 #10329.00
66 Tseshkovsky, Vitaly V254361 #11226.27
67 Nei, Iivo254365 #11539.17
68 Kurajica, Bojan254150 #10823.13
69 Matanovic, Aleksandar254050 #10740.61
70 Kotov, Alexander A253969 #12157.38
71 Antoshin, Vladimir S253752 #11141.63
72 Shamkovich, Leonid A253553 #11447.58
73 Tringov, Georgy P253451 #11333.82
74 Lein, Anatoly253360 #12039.76
75 Filip, Miroslav253351 #11442.18
76 Velimirovic, Dragoljub253360 #12028.63
77 Zaitsev, Igor A253153 #11832.59
78 Planinc, Albin253054 #11926.70
79 Ciric, Dragoljub M252952 #11835.13
80 Platonov, Igor V252953 #12136.95
81 Dementiev, Oleg I252861 #12532.99
82 Donner, Johannes H252749 #11843.48
83 Sakharov, Yury N252764 #12848.29
84 Gulko, Boris F252664 #12923.89
85 Karaklajic, Nikola252671 #13344.85
86 Bilek, István252050 #12538.39
87 Kaplan, Julio P251960 #13320.43
88 Klovans, Janis251869 #13835.73
89 Szabó, László251849 #12753.78
90 Minic, Dragoljub251749 #12833.82
91 Kovacevic, Vladimir251758 #13328.76
92 Lengyel, Levente251450 #13137.55
93 Pomar Salamanca, Arturo251152 #13439.33
94 Bolbochán, Julio251063 #14250.78
95 Kapengut, Albert Z250970 #14726.49
96 Penrose, Jonathan250957 #14137.23
97 Addison, William G250853 #13937.09
98 Padevsky, Nikola B250752 #13837.59
99 Byrne, Donald250660 #14340.55
100 Moe, Mogens250268 #15126.80
101 Forintos, Gyözö V250250 35.42
102 Mednis, Edmar J250168 33.77
103 Rakic, Tomislav250069 36.14
104 Damjanovic, Mato250049 43.77
105 Kupreichik, Viktor D250056 21.49
106 Bukic, Enver249954 33.08
107 Saidy, Anthony F249856 33.62
108 Gusev, Yury S249767 49.27
109 Suttles, Duncan249652 25.03
110 Karasev, Vladimir I249561 32.54
111 Marovic, Dražen249553 32.96
112 Robatsch, Karl249458 42.21
113 Hecht, Hans-Joachim249352 31.92
114 Bobotsov, Milko G249350 39.25
115 Bogdanovic, Rajko249256 39.13
116 Etruk, Rein T249270 32.77
117 Zuckerman, Bernard249158 27.75
118 Barczay, Laszlo249148 34.85
119 Barcza, Gedeon249152 59.36
120 Yanofsky, Daniel A248859 45.76
121 Bisguier, Arthur B248854 41.23
122 Rossolimo, Nicolas248857 60.84
123 Csom, István248750 30.58
124 Schmidt, Wlodzimierz248753 27.72
125 Kraidman, Yair248560 38.16
126 Rodriguez, Ruben248472 24.07
127 Eliskases, Erich G248472 57.87
128 Jansa, Vlastimil248350 28.09
129 Mikenas, Vladas248361 60.70
130 Hamann, Svend248360 30.23
131 Nikolaevsky, Yuri V248169
132 Vaganian, Rafael A248158 19.21
133 Radulov, Ivan248052 31.98
134 Malich, Burkhard G247953 34.09
135 Díez del Corral, Jesús247655 37.73
136 Minev, Nikolay N247661 39.97
137 Mohrlok, Dieter247462
138 Teschner, Rudolf247464 48.87
139 Timman, Jan H247358 19.05
140 Dely, Peter247252 36.49
141 Ciocaltea, Victor247252 38.95
142 Jansson, Borje247255 28.80
143 Zhukhovitsky, Samuil M247259 54.05
144 Markland, Peter R247068 19.72
145 Ghitescu, Theodor246652 36.93
146 Pribyl, Josef246660 23.22
147 Udovcic, Mijo246657 50.30
148 O'Kelly de Galway, Albéric246451 59.62
149 Prameshuber, Aleksander246363
150 Lengyel, Laszlo246261 26.47
151 Doroshkievich, Vladimir K246259 33.01
152 Mišta, Ladislav246057 27.17
153 Cortlever, Nicolaas246056 55.55
154 Haag, Ervin245959 37.96
155 Geller, Uzi245964 39.92
156 Maric, Rudolf245958 43.63
157 Adorján, András245852 20.75
158 Keene, Raymond245856
159 Flesch, Janos245859 37.25
160 Brinck Claussen, Bjorn245870
161 Fuchs, Reinhart245856 36.26
162 Marangunic, Srdjan245766 27.17
163 Musil, Vojko245570 25.37
164 Bertok, Mario245452 41.33
165 Johannessen, Svein245361 33.20
166 Bouwmeester, Henk B245062 41.29
167 Pilnik, Herman245067 56.97
168 Garcia, Raimundo244953 34.59
169 Sigurjónsson, Gudmundur244954 23.27
170 Rossetto, Héctor D244853 48.31
171 Razuvaev, Yury S244874 25.22
172 Smederevac, Petar244756 48.35
173 Guimard, Carlos E244762 57.73
174 Puc, Stojan244764 49.73
175 Nikolic, Stanimir244659 35.92
176 Soltis, Andrew E244565 23.59
177 Johansson, Martin244563 52.40
178 Maeder, Karl Heinz244556
179 Emma, Jaime J244569 32.95
180 Doda, Zbigniew244451 39.85
181 Janoševic, Dragoljub244450 47.48
182 Pietzsch, Wolfgang W244457 40.03
183 Antunac, Goran244464 25.71
184 Cosulich, Roberto244457
185 Tatai, Stefano244251 32.77
186 Schweber, Samuel244153 34.46
187 Dueball, Juergen244059 25.76
188 Westerinen, Heikki MJ243950 26.68
189 Tarve, Udo243774
190 Grigorian, Karen A243772 23.32
191 Prins, Lodewijk243767 57.92
192 Lehmann, Heinz Dr243656
193 Arulaid, Alexander243474
194 Spiridonov, Nikola243256 32.84
195 Myagmarsuren, Lhamsuren243260 32.87
196 Kestler, Hans-Günter243164 31.05
197 Soos, Bela243167 40.82
198 Quinteros, Miguel A243151 23.01
199 Honfi, Karoly243052 40.18
200 Kluger, Guyla242959 56.95
201 Jiménez Zerquera, Eleazar242852 42.52
202 Hartston, William R242860 23.38
203 Kottnauer, Cenek242875 60.85
204 Torre, Eugenio242774 19.16
205 Popov, Luben242654 34.92
206 Ojanen, Kaarle Sakari242669
207 Ostojic, Predrag242552 32.85
208 Torán Albero, Román242553 39.23
209 Vukic, Milan242557 27.37
210 Kuijpers, Franciscus Antonius242556
211 Radovici, Corvin242461 39.03
212 Scholl, Eddie C242452 26.20
213 Vranesic, Zvonko242462 32.24
214 Cherepkov, Alexander V242373 50.17
215 Messing, Hrvoje242268 30.43
216 Stoppel, Franz242169 39.24
217 Kupka, Slavoj242158 28.48
218 Nowak, Erwin242165
219 Keller, Dieter242072 34.45
220 Hernandez, Roman241965 21.11
221 Kovacs, Miklos241964 38.45
222 Liebert, Heinz241955 34.60
223 Moiseev, Oleg L241961 45.65
224 Rubinetti, Jorge A241751 25.75
225 Medina García, Antonio A241650 51.25
226 Cuéllar Gacharná, Miguel241456 54.12
227 Kolarov, Atanas S241458 36.83
228 Langeweg, Kick241351 33.82
229 Kostro, Jerzy241352 33.93
230 Drimer, Dolfi241254 36.21
231 Hennings, Artur241252 30.47
232 Siaperas, Triantafyllos241260 38.41
233 Gerusel, Mathias241255 32.90
234 Mititelu, Gheorghe241274 36.17
235 Faibisovich, Vadim Z241172 26.65
236 Golz, Werner241158
237 Sokolov, Vladimir241062 37.33
238 Bednarski, Jacek B241052 31.80
239 Kagan, Shimon241059 28.73
240 Amos, Bruce M241064 24.00
241 Augustin, Josef241063 28.62
242 Ree, Hans240950 26.29
243 Knezevic, Milorad240867 34.17
244 Ujtumen, Tudev240755 31.34
245 Sofrevski, Jovan240659 35.37
246 Dueckstein, Andreas240558 43.41
247 Naranja, Renato240454 30.27
248 McKay, Roderick M240074 18.88
249 Navarovszky, Laszlo240063 37.74
250 Kozma, Julius239956 41.58
251 Szily, József239967 57.25
252 van Scheltinga, Tjeerd D239955 56.82
253 Peev, Peicho Chonev239966 30.75
254 Klundt, Klaus239859 29.02
255 Tseitlin, Mark D239761 27.27
256 Porat, Yosef239772 61.57
257 Gaprindashvili, Nona239569 29.66
258 Trapl, Jindrich239573 28.77
259 Böök, Eero239473 60.89
260 Cvetkovic, Srdjan239467 24.84
261 Murey, Yakov239373 29.41
262 Cobo Arteaga, Eldis239356
263 Zinn, Lothar239356 32.78
264 Adamski, Jan239352 27.14
265 Peretz, Malkiel239362 27.56
266 Schiffer, Karl Josef239264
267 Clarke, Peter H239059
268 Patterson, Nicholas J239074
269 Ek, Hans238965 42.23
270 Baumbach, Friedrich238959 35.31
271 Bhend, Edwin238964 39.31
272 Calvo Minguez, Ricardo238958 27.19
273 Mihaljcisin, Mihajlo238959 37.85
274 Rodriguez, Jo238867
275 Sax, Gyula238864 19.54
276 Christoph, Manfred238768 39.59
277 Ljubojevic, Ljubomir238661 20.16
278 Lewi, Jerzy238657
279 Camara, Helder238659 33.89
280 Stupica, Janesz238664
281 Schaufelberger, Heinz238456 23.12
282 Littlewood, John Eric238372
283 Kinnmark, Ove238360 26.02
284 Bachtiar, Arovah238374 36.77
285 Zuidema, Coenraad238255
286 Janata, Michael238267
287 Pelikán, Jorge238158 64.69
288 Zwaig, Arne238064
289 Capelan, Guenter237973 38.43
290 Filipowicz, Andrzej237955 32.63
291 Bukal, Vladimir Sr237960 31.16
292 Bronstein, Luis237765 24.58
293 Thorbergsson, Freysteinn237763
294 Kupper, Josef237671 38.81
295 Lechtynsky, Jiri237663 23.10
296 Szilágyi, György237558 49.49
297 Ivanovic, Božidar237574 24.35
298 Eising, Johannes237476 35.59
299 Espig, Lutz237355 21.98
300 Jakobsen, Ole237357 28.20
301 Ekenberg, Bengt237366
302 Glauser, Hansruedi237374 25.51
303 Kovacs, Laszlo M237252 32.24
304 Ungureanu, Emil237268 34.16
305 Sahovic, Dragutin237270 30.40
306 Kozomara, Vladimir237274
307 Van Geet, Dirk Daniel237257 38.83
308 Czerniak, Moshe237256 60.90
309 Pogats, Jozsef237173 42.47
310 Rocha, Antonio236963 26.55
311 Kinzel, Anton236970
312 Witkowski, Stefan236959 39.26
313 Corden, Martyn J236863
314 Van Baarle, C John236763 25.70
315 Grabczewski, Romuald236758 38.89
316 Holaszek, Hans236763
317 Palermo, Vicente236668 38.80
318 Tompa, Janos236663 23.67
319 Boey, Josef236564 36.62
320 Krabbe, Tim236465 27.72
321 Plachetka, Jan235957 25.86
322 Moehring, Guenther235959 34.10
323 Nilsson, Zandor235965
324 Matkowski, Wiktor235976
325 Balcerowski, Witold235856 35.39
326 Nicevski, Risto235853 25.51
327 Belkadi, Ridha235868 45.68
328 Blatny, Frantisek235760 37.75
329 Cebalo, Mišo235672 25.90
330 Kerkhoff, Leo J235374 26.13
331 Rogoff, Kenneth S235365 17.77
332 Mestrovic, Zvonimir235358 26.20
333 Foguelman, Alberto235365 47.22
334 Pedersen, Karl235168 30.26
335 Schoeneberg, Manfred235056 24.48
336 Ujtelky, Maximilián234958 55.70
337 Holm, Sejer234863 31.39
338 Bouaziz, Slim234865 20.71
339 Spassov, Liuben234773 27.77
340 Ljungqvist, Lennart234766
341 Liptay, Laszlo234670 33.49
342 Grdinic, Zvonimir234674 32.02
343 Rodriguez Vargas, Orestes234665 27.49
344 Fichtl, Jirí234568 49.87
345 Hartoch, Robert G234551
346 Visier Segovia, Fernando234561 27.90
347 Polgar, Istvan234358 26.10
348 Wade, Robert Graham234355
349 Brond, Victor234266
350 Fuller, Maxwell L234161 25.92
351 Skold, Kristian234066
352 Norby, Peter H233968 30.51
353 Masic, Ljubomir233660 34.49
354 Pietrusiak, Bogdan233661 37.46
355 Deze, Anton233666
356 Boudy, Julio233568 19.55
357 Gasiorowski, Ryszard233562 35.05
358 Jacobsen, Bo233466 22.05
359 Gliksman, Darko233466 33.23
360 Hjorth, Sune233371
361 Bazan, Osvaldo233373 36.21
362 Enevoldsen, Jens233167 63.27
363 Mariotti, Sergio233160 24.39
364 Cafferty, Bernard233175 36.51
365 Ilievski, Borce233173 35.37
366 Sandor, Bela233169 51.05
367 Kiffmeyer, Constanz233067
368 Pritchett, Craig William233067
369 Olsson, Ake232957 36.66
370 Gereben, Ernö232859 63.54
371 Neukirch, Detlef232761 30.39
372 Prochownik, Franciszek232665 36.12
373 Ribli, Zoltán232661 19.32
374 Domnitz, Zadok232565 37.21
375 Juarez, Carlos Eleodoro232466 32.51
376 Agdamus, Jose Luis232358
377 Levy, David Neil Lawrence232357
378 Hlousek, Zdenek232262
379 Golombek, Harry232271 59.83
380 Toth, Bela232262 27.70
381 Martinovic, Slobodan232174 25.43
382 Yepez Obando, Olavo232160
383 Sydor, Andrzej232155 33.99
384 Barendregt, Johan Teunis232065
385 Debarnot, Roberto231866 23.40
386 Steiner, Ulrich A231772 31.08
387 Faragó, Iván231763 24.75
388 Muchnik, Khanan Lvovich231668
389 Bajec, Ivo231573 38.69
390 Wotulo, Max231470 38.40
391 Jongsma, Alexander231455 32.58
392 Durao, Joaquim231359 40.18
393 Golovko, Nikolay Grigorievic231268
394 Jankovec, Ivan231264 32.20
395 De Castro, Edgar231174
396 Bellon Lopez, Juan Manuel231158 20.65
397 Sapi, Laszlo231058 35.78
398 De Greif, Boris231075 40.88
399 Burger, Karl231074 37.94
400 Whiteley, Andrew J230973 23.56
401 Ulvestad, Olaf230969 58.18
402 Ocampo, Raul2230673
403 Roehrl, Karl230666 29.96
404 Filep, Tibor230562 35.01
405 Machacek, Petr230567
406 Paoli, Enrico230253 62.96
407 Troianescu, Octav230164 54.90
408 Cuartas, Carlos230164 30.38
409 Pytel, Krzysztof230059 25.63
410 Letelier Martner, René230065 55.28
411 Shaw, Terrey Ian229875
412 Garcia Martinez, Silvino229756 26.49
413 Wibe, Terje229676 23.23
414 Menvielle Lacourrelle, Augusto229668 32.38
415 Gromek, Jozef229664 39.70
416 Liljedahl, Lennart229669 23.34
417 Pedersen, Eigil229666
418 Petersen, Finn229562 30.68
419 Luckis, Marcos229474 65.95
420 Kramer, Haije229467 53.10
421 Thorsteins, Karl1229371
422 Heidenfeld, Wolfgang229370
423 Cornelis, Frans B229270 28.98
424 Gasic, Bozidar229266 33.22
425 Donnelly, Brian229267
426 Brostrom, Goran229167 28.68
427 Shashin, Boris S229167
428 Panov, Vasily N229063 64.16
429 Hoen, Ragnar228965 30.24
430 Knox, Victor W228874 25.93
431 Lanc, Alois228669 22.86
432 Ozsvath, Andras228567 41.37
433 Beyen, Roland228473 38.73
434 Mashian, Yaacov228464 32.04
435 Ortega, Rogelio228469
436 Incutto, Carlos228471
437 Day, Lawrence A228262 21.91
438 Pleci, Isaías228173 63.18
439 Huguet, Bernard228060 37.75
440 Sirkia, Mauri O227973 23.45
441 Safvat, Y.227976
442 Zichichi, Alvise227862 32.49
443 Hamilton, Douglas G227871 29.38
444 Portisch, Ferenc227862 31.73
445 Andersson, Bengt227867 37.20
446 Vogt, Lothar H227858 18.95
447 Kazilaris, Nikolaos227776 28.85
448 Zinser, Sylvain227763
449 Kristinsson, S.227573
450 Janetschek, Karl227171 30.70
451 Eales, Richard G227076
452 Cibulka, Vladimir226874 29.16
453 De la Vega, Hector226875 44.79
454 Schmitz, Bernd226666
455 Vadasz, Laszlo226658 22.92
456 Piket, Joop J226658 30.05
457 Koskinen, Heikki226672
458 Hualpa226576
459 Cordovil, Joao226359 24.69
460 Malmdin, Nils Ake226363
461 From, Sigfred226270 45.05
462 Garcia, Gilberto226268
463 Van Riemsdijk, Herman C226265 22.35
464 Vizantiadis, Lazaros226162 32.75
465 Yoffie, Marc225973 23.38
466 McDonald Ross, Michael225775
467 Cuasnicu, Oscar225675 28.19
468 Trikaliotis, Georgios225373 31.84
469 Friedgood, David225272 24.47
470 Sarapu, Ortvin225271 46.94
471 Duraku225276
472 Hook, William225264
473 Kristjansson, Olafur225163 28.34
474 Kristjansson, Bragi225166 25.97
475 Lhagva, Jambaldoo224969 26.31
476 Bredewout, Henk224869 34.09
477 Szmetan, Jorge224672 20.60
478 Beni, Alfred224571 47.58
479 Diaz, Joaquin C224472 22.49
480 Malagon, Alberto224376
481 Riego Prieto, Victorio224376
482 Zorigt, D.224273
483 Mazzoni, Guy224174 36.26
484 Toth, Peter223874 30.32
485 Alzate, Dario223776 15.59
486 Moles, John223675 21.27
487 Witt, Laszlo223676 37.75
488 Banas, Jan223669 23.58
489 Brameyer, Hermann223565 31.38
490 Brueggemann, Joachim223569 19.24
491 Hemmassi, N.223569
492 Kislov, Mikhail223468
493 Naglis, Boris223468
494 Camilleri, Henry223462
495 Villarroel, Geber223360
496 Hradeczky, Tamas223265 22.73
497 Ardiansyah, Haji223163 19.07
498 Rusli223176
499 Kokkoris, Hristos222971
500 Lombard, Andre222963 20.28

These ratings, calculated as of December 31, 1970, incorporate all games (against rated opponents) played in the time between January 1, 1970 and December 31, 1970, along with the ratings that were already calculated as of December 31, 1969. 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 31, 1970. This represents the player's estimated strength on January 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 January 1, 1971. The +/- value represents the standard deviation of that estimate; the player's true strength on January 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 January 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 December 31, 1970. 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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