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Top 10 active players as of June 30, 1976


Top 500 active players as of June 30, 1976

  #  

Player Rating +/- Best? 75%? Age
1 Karpov, Anatoly E27645039.6% #425.10
2 Korchnoi, Viktor L27215011.5% #1245.27
3 Polugaevsky, Lev A2709518.3% #1541.61
4 Spassky, Boris V2702537.0% #1839.42
5 Petrosian, Tigran V2699505.4% #1847.04
6 Geller, Efim P2679522.6% #2651.33
7 Ljubojevic, Ljubomir2672501.7% #2925.66
8 Tal, Mikhail2671491.6% #2939.64
9 Tseshkovsky, Vitaly V2667511.5% #3231.76
10 Portisch, Lajos2661501.1% #3439.24
11 Kuzmin, Gennady P2659551.6% #3830.45
12 Gulko, Boris F2657521.0% #3729.39
13 Hübner, Robert2652530.9% #4027.65
14 Mecking, Henrique2652591.5% #4324.44
15 Smyslov, Vassily V2650530.8% #4255.27
16 Hort, Vlastimil2644480.4% #4332.47
17 Krogius, Nikolay V2644753.2% #5545.93
18 Vaganian, Rafael A2642510.4% #4524.71
19 Romanishin, Oleg M2639520.4% #4824.47
20 Gufeld, Eduard E2637540.5% #5040.28
21 Larsen, Bent2637510.3% #4941.32
22 Smejkal, Jan2629500.2% #5330.27
23 Lein, Anatoly2629731.9% #6545.26
24 Browne, Walter S2627510.2% #5527.47
25 Balashov, Yury S2626520.2% #5627.30
26 Gipslis, Aivars2626580.4% #5939.39
27 Savon, Vladimir A2626510.2% #5735.76
28 Gligoric, Svetozar2624500.2% #5853.41
29 Liberzon, Vladimir M2621570.3% #6339.27
30 Vasiukov, Evgeny A2619520.2% #6143.32
31 Kudriashov, Anatoly A2614751.3% #7834.20
32 Bronstein, David I2611510.1% #6752.36
33 Ribli, Zoltán2611520.1% #6824.81
34 Olafsson, Fridrik2610520.1% #6941.43
35 Kholmov, Ratmir D2609530.1% #6951.13
36 Andersson, Ulf260549 #7025.01
37 Karasev, Vladimir I2605620.3% #7738.04
38 Tukmakov, Vladimir B260451 #7230.29
39 Dvoretsky, Mark I2604530.1% #7328.56
40 Furman, Semen A2603560.1% #7655.58
41 Pfleger, Helmut2601590.2% #7932.89
42 Evans, Larry M2600660.3% #8444.27
43 Beliavsky, Alexander G259752 #7822.54
44 Uhlmann, Wolfgang259649 #7841.25
45 Panno, Oscar R2592560.1% #8541.29
46 Chekhov, Valery A2590620.1% #8920.59
47 Taimanov, Mark E259051 #8450.40
48 Timman, Jan H258749 #8524.54
49 Kavalek, Lubomir258651 #8732.88
50 Gheorghiu, Florin258451 #8832.23
51 Unzicker, Wolfgang2584600.1% #9351.01
52 Suetin, Alexey S258455 #9049.62
53 Palatnik, Semen A2581650.1% #9926.26
54 Nikolac, Juraj2581630.1% #9844.19
55 Byrne, Robert E258054 #9348.19
56 Pachmann, Ludek2579630.1% #10052.13
57 Kurajica, Bojan257954 #9528.62
58 Dzindzichashvili, Roman Y2579720.3% #10532.15
59 Matanovic, Aleksandar257856 #9646.10
60 Darga, Klaus V2577670.1% #10442.35
61 Ivanov, Igor V2576640.1% #10329.48
62 Razuvaev, Yury S257154 #10130.72
63 Osnos, Viacheslav V2569740.2% #11540.93
64 Szabó, László256854 #10459.28
65 Bagirov, Vladimir K2566660.1% #11339.87
66 Velimirovic, Dragoljub256551 #10534.13
67 Alburt, Lev O256458 #11130.85
68 Parma, Bruno256454 #10834.50
69 Schmid, Lothar M2562680.1% #11848.14
70 Zaitsev, Igor A256063 #11638.09
71 Averbakh, Yury L256059 #11454.39
72 Nei, Iivo255864 #11944.66
73 Dorfman, Iosif D255759 #11724.16
74 Kapengut, Albert Z2556700.1% #12431.98
75 Najdorf, Miguel255660 #11866.21
76 Ivkov, Borislav255551 #11342.63
77 Sanguinetti, Raúl C255563 #12043.41
78 Sigurjónsson, Gudmundur255450 #11428.76
79 Matulovic, Milan255452 #11541.05
80 Radulov, Ivan255056 #12137.48
81 Sax, Gyula255052 #11825.03
82 Sosonko, Gennadi254951 #11933.12
83 Adorján, András254952 #12026.25
84 Lutikov, Anatoly S254959 #12443.40
85 Averkin, Orest N254767 #13032.35
86 Hecht, Hans-Joachim254356 #12637.42
87 Tarjan, James E254352 #12524.36
88 Grefe, John A254259 #13028.81
89 Malich, Burkhard G254156 #12939.59
90 Csom, István253952 #12836.08
91 Bukic, Enver253960 #13338.58
92 Timoshchenko, Gennady253861 #13427.17
93 Tseitlin, Mark D253867 #13832.77
94 Miles, Anthony J253851 #12821.19
95 Weinstein, Norman253656 #13325.74
96 Lombardy, William J253656 #13438.57
97 Platonov, Igor V253371 #14442.45
98 Klovans, Janis253254 #13541.22
99 Quinteros, Miguel A253253 #13528.51
100 Mukhin, Mikhail A253170 #14528.36
101 Georgadze, Tamaz V253065 28.64
102 Díez del Corral, Jesús252968 43.23
103 Reshevsky, Samuel H252856 64.59
104 Commons, Kim S252759 24.93
105 Kirov Ivanov, Nino252757 30.81
106 Hulak, Krunoslav252662 25.10
107 Kupreichik, Viktor D252659 26.98
108 Kovacevic, Vladimir252461 34.26
109 Filip, Miroslav252370 47.67
110 Tringov, Georgy P252158 39.31
111 Jansa, Vlastimil251950 33.59
112 Rashkovsky, Nukhim N251859 30.20
113 Sveshnikov, Evgeny E251563 26.38
114 Westerinen, Heikki MJ251452 32.17
115 Shamkovich, Leonid A251262 53.08
116 Donner, Johannes H251153 48.98
117 Rogoff, Kenneth S250954 23.27
118 Torre, Eugenio250856 24.65
119 Panchenko, Alexander N250867 22.73
120 Suttles, Duncan250660 30.52
121 Sanguinetti, Renato250664 60.19
122 Kraidman, Yair250561 43.66
123 Vitolinš, Alvis250372 30.04
124 Benko, Pal C250252 47.95
125 Makarichev, Sergey Y250160 22.62
126 Planinc, Albin250151 32.20
127 Knezevic, Milorad249657 39.66
128 Forintos, Gyözö V249653 40.91
129 Maric, Rudolf249667 49.13
130 Pribyl, Josef249454 28.72
131 Kaplan, Julio P249355 25.92
132 Gurgenidze, Bukhuti I249362 42.63
133 Podgaets, Mikhail Y249261 28.93
134 Rytov, Boris249167
135 Raicevic, Vladimir249155 27.16
136 Vukcevich, Milan R249173
137 Grigorian, Karen A249055 28.81
138 Keene, Raymond248951
139 Hartston, William R248951 28.88
140 Marovic, Dražen248855 38.46
141 Rajkovic, Dusan248757 34.04
142 Bilek, István248754 43.88
143 Karaklajic, Nikola248669 50.35
144 Knaak, Rainer F248551 23.29
145 Karner, Hillar248565 40.92
146 Rodriguez, Amador248456 19.81
147 Katalymov, Boris N248475
148 Doroshkievich, Vladimir K248361 38.51
149 García Gonzáles, Guillermo248353 22.56
150 Vukic, Milan248258 32.86
151 Faragó, Iván248252 30.24
152 Ree, Hans248251 31.79
153 Espig, Lutz248256 27.48
154 Ciocaltea, Victor248154 44.45
155 Kestler, Hans-Günter248165 36.55
156 Petrosian, Arshak B248063 22.54
157 Ubilava, Elizbar E248072 25.84
158 Schmidt, Wlodzimierz247950 33.22
159 Castro Rojas, Oscar Humberto247761 23.14
160 Barczay, Laszlo247756 40.36
161 Mohrlok, Dieter247773
162 Dueball, Juergen247760 31.25
163 Schweber, Samuel247658 39.95
164 Zilberstein, Valery I247672 33.21
165 Radev, Nikolai247565 37.53
166 Honfi, Karoly247453 45.68
167 Padevsky, Nikola B247356 43.09
168 Robatsch, Karl247263 47.71
169 Zhuravliov, Valerij247170 37.55
170 Damjanovic, Mato247056 49.27
171 Stean, Michael F247052 22.82
172 Saidy, Anthony F246864 39.12
173 Tatai, Stefano246855 38.27
174 Spassov, Liuben246859 33.27
175 Soltis, Andrew E246770 29.09
176 Ostojic, Predrag246656 38.36
177 Calvo Minguez, Ricardo246565 32.69
178 Torán Albero, Román246575 44.73
179 Ghizdavu, Dumitru246564 27.11
180 Zuckerman, Bernard246566 33.25
181 Bednarski, Jacek B246555 37.30
182 Zuidema, Coenraad246471
183 Barle, Janez246461 24.27
184 Vogt, Lothar H246351 24.45
185 Bleiman, Yaacov246366 28.81
186 Mnatsakanian, Eduard A246267 37.56
187 Yanofsky, Daniel A245965 51.26
188 Plachetka, Jan245953 31.37
189 Gaprindashvili, Nona245863 35.16
190 Rodriguez, Ruben245860 29.56
191 Estrin, Yacov B245775 53.19
192 Christiansen, Larry M245761 20.01
193 Hamann, Svend245763 35.73
194 Lukin, Andrei M245675 27.83
195 Nemet, Ivan245571 33.21
196 Moe, Mogens245475 32.30
197 Capelan, Guenter245475 43.92
198 Spiridonov, Nikola245357 38.34
199 Sofrevski, Jovan245362 40.86
200 Garcia Martinez, Silvino245352 31.98
201 Martz, William E245258
202 Hennings, Artur245166 35.96
203 Augustin, Josef245158 34.12
204 Barcza, Gedeon245167 64.85
205 Nunn, John D M245155 21.18
206 Řgaard, Leif245057 24.48
207 Ciric, Dragoljub M245063 40.63
208 Mariotti, Sergio245056 29.88
209 Sahovic, Dragutin245072 35.89
210 Cosulich, Roberto244871
211 Popov, Luben244854 40.42
212 Ghitescu, Theodor244760 42.43
213 Jansson, Borje244663 34.30
214 Janoševic, Dragoljub244557 52.97
215 Musil, Vojko244473 30.86
216 Flesch, Janos244359 42.75
217 Suba, Mihai244268 29.08
218 Brasket, Curt Justin244274
219 Lederman, Leon244168 29.10
220 Minic, Dragoljub244157 39.32
221 Peters, John A244164 25.39
222 Lengyel, Levente244055 43.05
223 Ornstein, Axel243952 24.18
224 Kuijpers, Franciscus Antonius243958
225 Pomar Salamanca, Arturo243854 44.83
226 Mednis, Edmar J243856 39.27
227 Schneider, Lars Ake243761
228 Vranesic, Zvonko243772 37.74
229 Szmetan, Jorge243755 26.09
230 Biyiasas, Peter243562 25.61
231 Gerusel, Mathias243556 38.40
232 Chellstorp, Craig V243569
233 Prandstetter, Eduard243563 27.54
234 Pilnik, Herman243471 62.48
235 Liebert, Heinz243354 40.10
236 Pritchett, Craig William243259
237 Minev, Nikolay N243271 45.48
238 Rath, Ulrik243275 29.51
239 Zwaig, Arne243263
240 Rukavina, Josip243160 33.59
241 Portisch, Ferenc243163 37.22
242 Dely, Peter243059 41.98
243 Balinas, Rosendo Carrean243064
244 Anikaev, Yury243065 28.00
245 Garcia, Raimundo243057 40.09
246 Langeweg, Kick243054 39.31
247 Doda, Zbigniew242853 45.36
248 Haag, Ervin242871 43.47
249 Bisguier, Arthur B242754 46.73
250 Grinberg, Ricardo242661 28.46
251 Botterill, George Steven242659
252 Rodriguez Vargas, Orestes242655 32.98
253 Jiménez Zerquera, Eleazar242468 48.01
254 Ermenkov, Evgenij242257 26.75
255 Poutiainen, Pertti242158
256 Hazai, Laszlo242168 23.04
257 Bertok, Mario242072 46.83
258 Bohm, Hans241954 26.46
259 Hase, Juan Carlos241960
260 Sydor, Andrzej241857 39.49
261 Scholl, Eddie C241871 31.70
262 Lechtynsky, Jiri241856 28.60
263 Boey, Josef241871 42.12
264 Hug, Werner241857 23.80
265 Buljovcic, Ivan241762 39.51
266 Brond, Victor241759
267 Pintér, József241559 22.64
268 Eising, Johannes241460 41.08
269 Haygarth, Michael J241466
270 Ligterink, Gert241457 26.62
271 Williams, Arthur Howard241363
272 Deze, Anton241363
273 McKay, Roderick M241167 24.38
274 Jakobsen, Ole241073 33.70
275 Cobo Arteaga, Eldis241062
276 Vadasz, Laszlo240957 28.42
277 Rossetto, Héctor D240958 53.81
278 Neckar, Lubomir240858 25.90
279 Szekely, Peter240672 21.39
280 Johannessen, Svein240569 38.70
281 Goodman, David SC240573
282 Mestrovic, Zvonimir240471 31.70
283 Peev, Peicho Chonev240458 36.24
284 Penrose, Jonathan240364 42.73
285 Schiffer, Karl Josef240373
286 Clarke, Peter H240269
287 Hartoch, Robert G240154
288 Van Riemsdijk, Herman C240163 27.84
289 Zichichi, Alvise240166 37.98
290 Rubinetti, Jorge A240055 31.25
291 Cuasnicu, Oscar240058 33.68
292 Nicevski, Risto240056 31.01
293 Webb, Simon240059 27.05
294 Bellin, Robert239956 23.99
295 Enklaar, Bertus F239954
296 Adamski, Jan239752 32.63
297 Hernandez, Roman239752 26.60
298 Matera, Salvatore Joseph239670
299 Jamroz, Zbigniew239673 42.05
300 Partos, Charles239675 39.88
301 Pytel, Krzysztof239654 31.12
302 Martinovic, Slobodan239473 30.92
303 van Scheltinga, Tjeerd D239369 62.31
304 Bronstein, Luis239258 30.08
305 Moehring, Guenther239254 39.60
306 Kovacs, Laszlo M238859 37.73
307 Filipowicz, Andrzej238858 38.13
308 Giterman, Shlomo238769
309 Horner, Jeff238767 26.84
310 Diesen, Mark C238764
311 Lehmann, Heinz Dr238663
312 Basman, Michael J238661 30.29
313 Ost Hansen, Jacob238676
314 Uddenfeldt, Dan238468 25.25
315 Marjanovic, Slavoljub238472 21.48
316 Kagan, Shimon238364 34.23
317 Meduna, Eduard238363 25.80
318 Cuartas, Carlos238264 35.87
319 Rajna, George238267 29.38
320 Dake, Arthur William238169 66.23
321 Vladimirov, Evgeny Y238075 19.44
322 De la Vega, Hector238062 50.29
323 Lukacs, Peter238062 25.97
324 Evans, Larry D237971
325 Littlewood, John Eric237969
326 Masic, Ljubomir237774 39.98
327 Kupka, Slavoj237773 33.97
328 Denker, Arnold S237768 62.36
329 Popov, Nikolay237770
330 Ivanovic, Božidar237662 29.84
331 Van Wijgerden, Cornelis237669 26.10
332 Karklins, Andrew237668 29.21
333 Sznapik, Aleksander237653 25.39
334 Soler, Alberto237668
335 Fuller, Maxwell L237463 31.42
336 Markland, Peter R237366 25.21
337 Garcia, Jo237371
338 Pokojowczyk, Jerzy237366 27.36
339 Wade, Robert Graham237262
340 Sinclair, Ian237273
341 Gesos, Pavlos237265 31.10
342 Betancort Curbelo, Juan237170 33.87
343 Gasic, Bozidar237170 38.72
344 Visier Segovia, Fernando237161 33.41
345 Kozlov, Vladimir N236972 26.08
346 Perkins, Alan H236968 27.28
347 Garcia Padron, Jose236963 18.27
348 Kinnmark, Ove236960 31.52
349 Corden, Martyn J236871
350 Mestel, A Jonathan236857 19.30
351 Kozma, Julius236857 47.08
352 Bellon Lopez, Juan Manuel236852 26.14
353 Debarnot, Roberto236856 28.89
354 Zinn, Lothar236869 38.28
355 Butnorius, Algimantas236768 29.61
356 Campos Lopez, Mario236674 33.12
357 Toth, Bela236667 33.20
358 Garcia, Wilfredo236664 21.60
359 Rodriguez Gonzales, Jesus236368
360 Goldenberg, Richard236272 28.61
361 Inkiov, Ventzislav236169 20.11
362 Kostro, Jerzy236160 39.43
363 Barreras, Alberto236068 25.23
364 Boudy, Julio236066 25.05
365 Iskov, Gert235960 27.92
366 Alexandria, Nana235965 26.71
367 Foguelman, Alberto235969 52.71
368 Gofshtein, Leonid D235868 23.19
369 Radashkovich, Itchak235667
370 Emma, Jaime J235557 38.45
371 Rocha, Antonio235466 32.05
372 Ek, Hans235360 47.73
373 Wirthensohn, Heinz235368 25.15
374 Jacobsen, Bo235273 27.55
375 Eslon, Jaan235267 24.32
376 Pinal, Nelson Borges235269
377 Terres Trois, Francisco235176
378 Banas, Jan235066 29.07
379 Velikov, Petar235072 25.25
380 Eley, Brian234967
381 Pelikán, Jorge234973 70.19
382 Tompa, Janos234962 29.17
383 Spacek, Petr234964 22.34
384 Rantanen, Yrjo A234965 26.19
385 Fichtl, Jirí234967 55.37
386 Ostermeyer, Peter234968 32.72
387 Rosenlund, Thorbjorn234876 25.03
388 Lanc, Alois234859 28.37
389 Levy, David Neil Lawrence234865
390 Maciejewski, Andrzej234761 24.97
391 Hindle, Owen M234666 36.29
392 Bönsch, Uwe234656 17.71
393 Ekstroem, Roland234476 20.11
394 Seidler, Aldo234459
395 Akvist, Hakan234362 34.67
396 Bernat, Miguel234373 18.78
397 Petran, Pal234260 29.79
398 Nikolic, Stanimir234274 41.43
399 Dieks, Roy G234265 20.41
400 Trapl, Jindrich234265 34.27
401 Anelli, Antonio234271 32.13
402 Holm, Sejer234165 36.88
403 Silva, Fernando234173 25.90
404 Czerniak, Moshe234062 66.41
405 Pernishki, Luben233873 45.03
406 Grabczewski, Romuald233763 44.40
407 Lombard, Andre233759 25.78
408 Camara, Helder233773 39.40
409 Starck, Bodo233772 41.71
410 Szilágyi, György233661 54.98
411 Whiteley, Andrew J233567 29.06
412 Ludgate, Alan233574 30.83
413 Djuric, Stefan233473 20.92
414 Quinones, Oscar Carillo233470
415 Vogel, Jaap233472 28.25
416 Urzica, Aurel233373 23.63
417 Manasterski, Lutoslaw233363 39.39
418 De Greif, Boris233263 46.38
419 Naranja, Renato233167 35.77
420 Jancev, Lazo233163
421 Horvath, Tamas232974 24.69
422 Liljedahl, Lennart232965 28.84
423 Donchenko, Anatoly G232875 35.83
424 Mueller, Klaus Uwe232858
425 Cardoso, Radolfo Tan232860
426 Skalkotas, Nikolaos232775 26.77
427 Szymczak, Zbigniew232761 24.49
428 Garcia Palermo, Carlos232660 22.58
429 Borngaesser, Rene232569 24.77
430 Kushnir, Alla232463
431 Knox, Victor W232467 31.44
432 Hesse, Peter232266 31.75
433 Bernard, Ryszard232262 31.85
434 Pesantes Carbajal, Carlos232263
435 Schinzel, Wladyslaw232057 33.11
436 Kristiansen, Erling232059 39.54
437 Estevez Morales, Guillermo232058
438 Jankovec, Ivan232063 37.70
439 Speelman, Jonathan S231964 19.74
440 Hutchings, Stuart J231966
441 Onat, Ilhan231870 46.57
442 Gruenberg, Hans Ulrich231755 20.47
443 Schaufelberger, Heinz231665 28.61
444 Janetschek, Karl231574 36.20
445 Kolbak, Jens231572 31.41
446 Sikora Lerch, Jan231064
447 Osterman, Rudolf230969 29.94
448 Fraguela Gil, Jose Miguel230956
449 Link, Hugo E230872 22.79
450 Gunev, Zlatan230873 30.91
451 Baumbach, Friedrich230764 40.81
452 Cafferty, Bernard230766 42.01
453 Lebredo, Gerardo230658 25.90
454 Kuligowski, Adam230566 20.52
455 Ardiansyah, Haji230572 24.57
456 Boersma, Paulus A230367 27.95
457 Hoen, Ragnar230371 35.73
458 Rodriguez Cordoba, Jesus R230369 27.04
459 Wibe, Terje230371 28.73
460 Nowak, Ignacy230364 27.47
461 Skrobek, Ryszard230276 24.98
462 Gereben, Ernö230264 69.03
463 Trois, Francisco RT230163
464 Diaz, Joaquin C230163 27.98
465 Medina García, Antonio A230063 56.74
466 Gutman, Lev230068 30.76
467 Marszalek, Rafal229972 35.58
468 Bielczyk, Jacek229756 23.35
469 Delgado, Alberto229776
470 Haik, Aldo229671 23.70
471 Helmertz, Per Inge229569
472 Novak, Ivan229368 33.43
473 Prochownik, Franciszek229374 41.62
474 Timman, Ton229273 27.99
475 Andres Mendez, Miguel229267
476 Bazan, Osvaldo229172 41.71
477 Paehtz, Thomas Sr229160 19.82
478 Verduga, Denis Homero229168
479 Dietze, Wolfgang229162 26.03
480 Ujtelky, Maximilián229073 61.19
481 Garcia Conesa, Gregorio229073 41.42
482 Menvielle Lacourrelle, Augusto229060 37.88
483 Thal, Olaf228973 40.54
484 Perecz, Laszlo228872 32.02
485 Frey, Kenneth228563 26.35
486 Bengtsson, Bo228475 28.83
487 Day, Lawrence A228372 27.41
488 De Veauce, Louis228369
489 Tisdall, Jonathan D228272 17.84
490 Vinje Gulbrandsen, Arne228275
491 Kaiszauri, Konstanty228166 23.68
492 Petran, Peter228164 21.84
493 Savic, Andre227973
494 Niklasson, Christer227864 23.49
495 Dobosz, Henryk227564 23.28
496 Nikolic, Vasilije227476
497 Van der Vliet, Fredrik227467
498 Drelinkiewicz, Tadeusz227469
499 Gutierrez, Jose Antonio227464
500 Fernandez, Juan C227366 24.90

These ratings, calculated as of June 30, 1976, incorporate all games (against rated opponents) played in the time between July 1, 1975 and June 30, 1976, along with the ratings that were already calculated as of June 30, 1975. 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 June 30, 1976. This represents the player's estimated strength on July 1, 1976.

+/- 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 July 1, 1976. The +/- value represents the standard deviation of that estimate; the player's true strength on July 1, 1976 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 July 1, 1976. 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 June 30, 1976. 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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