Chessmetrics Ratings: 66th Birthday

#	Player	Rating	+/-
1	Korchnoi, Viktor L	2627	46
2	Smyslov, Vassily V	2598	50
3	Geller, Efim P	2576	51
4	Maróczy, Géza	2567	74
5	Taimanov, Mark E	2559	61
6	Najdorf, Miguel	2557	58
7	Kholmov, Ratmir D	2545	50
8	Bernstein, Ossip S	2544	67
9	Reshevsky, Samuel H	2526	53
10	Cherepkov, Alexander V	2519	74

About these ratings

All players on their 66th birthday

#
Player Rating +/- Best? 75%? Rating Date

1 Korchnoi, Viktor L 2627 46 32.0% #4 02/28/1997: #48

2 Smyslov, Vassily V 2598 50 14.9% #7 02/28/1987: #64

3 Geller, Efim P 2576 51 7.5% #10 02/28/1991: #107

4 Maróczy, Géza 2567 74 12.3% #14 12/31/1935: #19

5 Taimanov, Mark E 2559 61 6.3% #14 01/31/1992: #161

6 Najdorf, Miguel 2557 58 5.5% #14 02/29/1976: #71

7 Kholmov, Ratmir D 2545 50 2.1% #15 04/30/1991: #185

8 Bernstein, Ossip S 2544 67 5.5% #18 12/31/1947: #29

9 Reshevsky, Samuel H 2526 53 1.3% #19 10/31/1977: #118

10 Cherepkov, Alexander V 2519 74 3.6% #24 09/30/1986: #192

11 Gligoric, Svetozar 2514 54 0.7% #22 01/31/1989: #236

12 Bronstein, David I 2512 56 0.8% #23 01/31/1990: #267

13 Szabó, László 2494 69 1.2% #29 02/28/1983: #182

14 Vidmar, Milan Sr 2493 64 0.8% #29 12/31/1950: #59

15 Berger, Johann N 2492 71 1.3% #30 12/31/1910: #21

16 Burn, Amos 2492 70 1.2% #30 12/31/1914: #21

17 Tarrasch, Siegbert 2492 62 0.6% #28 12/31/1927: #24

18 Unzicker, Wolfgang 2485 53 0.1% #29 05/31/1991: #378

19 Krogius, Nikolay V 2484 57 0.2% #29 06/30/1996: #477

20 Blackburne, Joseph H 2481 61 0.4% #31 12/31/1906: #19

21 Tartakower, Saviely G 2481 61 0.3% #31 12/31/1952: #66

22 Uhlmann, Wolfgang 2479 54 0.1% #30 03/26/2001: #487

23 Byrne, Robert E 2471 65 0.3% #34 03/31/1994: #473

24 Klovans, Janis 2469 50 #32 04/09/2001: #542

25 Nikolac, Juraj 2465 54 0.1% #34 03/31/1998: #576

26 Shamkovich, Leonid A 2455 57 0.1% #36 05/31/1989: #438

27 Larsen, Bent 2450 57 #38 02/26/2001: #662

28 Lein, Anatoly 2448 63 0.1% #39 02/28/1997: #704

29 Ivkov, Borislav 2447 58 #39 11/08/1999: #651

30 Nei, Iivo 2435 68 0.1% #44 10/31/1997: #761

31 Shestoperov, Aleksej 2435 63 0.1% #43 06/25/2001: #741

32 Pachmann, Ludek 2435 73 0.2% #44 04/30/1990: #565

33 Bird, Henry E 2427 60 #44 12/31/1895: #20

34 Panno, Oscar R 2416 58 #47 03/12/2001: #886

35 Jackson, Edward M 2408 67 #50 12/31/1932: #51

36 Suetin, Alexey S 2407 55 #49 10/31/1992: #864

37 Mieses, Jacques 2403 65 #51 12/31/1930: #43

38 Soos, Bela 2399 74 0.1% #54 02/29/1996: #1088

39 Gruzmann, Boris 2399 74 0.1% #54 12/11/2000: #1019

40 Matulovic, Milan 2393 57 #52 06/04/2001: #1055

41 Benko, Pal C 2390 59 #54 06/30/1994: #1049

42 Zheliandinov, Victor S 2388 59 #54 03/12/2001: #1113

43 Blake, Joseph H 2386 71 #57 12/31/1924: #34

44 Pelikán, Jorge 2386 56 #54 02/29/1972: #305

45 Kostic, Boris 2384 69 #57 12/31/1952: #125

46 Czerniak, Moshe 2383 61 #56 12/31/1975: #328

47 Opocenský, Karel 2380 72 #58 12/31/1957: #183

48 Chepukaitis, Genrikh 2380 55 #55 09/10/2001: #1189

49 Dake, Arthur William 2379 69 #58 02/29/1976: #319

50 Robatsch, Karl 2368 54 #58 09/30/1994: #1278

51 Nun, Josef 2366 71 #62 07/19/1999: #1280

52 Bilek, István 2363 54 #60 07/31/1998: #1445

53 Kraidman, Yair 2355 63 #63 10/31/1998: #1494

54 Bikhovsky, Anatoly A 2353 56 #63 04/24/2000: #1418

55 Ghitescu, Theodor 2345 70 #67 01/24/2000: #1560

56 Karaklajic, Nikola 2344 62 #66 01/31/1992: #1317

57 Forintos, Gyözö V 2337 56 #66 07/30/2001: #1592

58 Bisguier, Arthur B 2336 68 #68 09/30/1995: #1694

59 Janoševic, Dragoljub 2332 72 #70 06/30/1989: #1066

60 Honfi, Karoly 2327 54 #68 09/30/1996: #1881

61 Gereben, Ernö 2320 58 #71 04/30/1973: #442

62 Radovici, Corvin 2318 70 #73 11/30/1997: #2001

63 Luik, Helmuth 2312 75 #75 01/31/1994: #1847

64 Dueckstein, Andreas 2305 59 #75 07/31/1993: #1759

65 Sarapu, Ortvin 2305 64 #75 12/31/1989: #1273

66 Lokvenc, Josef 2303 73 #77 03/31/1965: #355

67 Paulsen, Wilfried 2295 75 #80 12/31/1893: #33

68 Luckis, Marcos 2294 74 #79 12/31/1970: #419

69 Ortega Izquierdo, Alejandro 2285 75 #82 02/28/1995: #2272

70 Villegas, Benito H 2281 75 #83 12/31/1942: #67

71 Fazekas, Stefan 2281 72 #82 03/31/1964: #336

72 Haag, Ervin 2276 64 #82 01/11/1999: #2447

73 Bhend, Edwin 2276 65 #82 08/31/1997: #2682

74 Vodep, Otto 2265 65 #85 12/31/1994: #2494

75 Hvenekilde, Jorgen 2262 67 #86 08/27/2001: #2543

76 Martin, William 2251 75 #90 12/31/1872: #16

77 Paoli, Enrico 2251 52 #86 12/31/1973: #507

78 Baumgartner, Heinz 2248 68 #89 08/31/1998: #3106

79 Braun, Gottfried 2242 63 #90 06/28/1999: #2905

80 Lengyel, Levente 2241 60 #90 06/07/1999: #2883

81 Martinovsky, Eugene 2241 56 #89 09/30/1997: #3222

82 Shipman, Walter 2237 70 #92 03/31/1995: #2860

83 Lieb, Harald 2232 74 #94 12/25/2000: #2933

84 Prada Rubin, Fernando 2229 65 #93 04/30/1997: #3391

85 Nikolic, Stanimir 2225 70 #95 01/22/2001: #3026

86 Dunkelblum, Arthur 2216 65 #96 02/29/1972: #541

87 Rosen, Willy 2199 75 #101 03/22/1999: #3324

88 Balogh, Bela 2196 65 #100 01/31/1997: #3769

89 Ozsvath, Andras 2195 59 #99 07/31/1995: #3392

90 Kanko, Ilkka 2190 62 #101 11/20/2000: #3336

91 Lasker, Edward 2188 67 #102 06/30/1951: #214

92 Boeven, Manfred 2184 71 #103 09/11/2000: #3442

93 Vujovic, Milorad 2183 66 #103 04/12/1999: #3544

94 Franklin, Michael J 2180 67 #103 01/31/1997: #3977

95 Cafferty, Bernard 2180 63 #103 06/26/2000: #3439

96 Szirmai, Eduard 2179 66 #103 01/31/1995: #3460

97 Jahr, Ulrich 2175 71 #104 01/31/1993: #2727

98 Kaminik, Aleksandar 2175 62 #104 08/31/1997: #4161

99 Haanpaa, Jorma 2168 66 #105 06/30/1996: #3947

100 Farah, Rodolfo 2165 74 #106 06/30/1997: #4223

101 From, Sigfred 2161 70 11/30/1991: #2245

102 Ofstad, Per 2156 67 11/27/2000: #3725

103 Waller, Helmut 2153 72 08/31/1992: #2630

104 Durao, Joaquim 2151 70 09/30/1996: #4254

105 Fastberg, Juuso 2145 72 01/31/1995: #3725

106 Christoffel, Martin 2142 73 08/31/1988: #1401

107 Engert, Immo 2140 73 06/30/1972: #544

108 Huguet, Bernard 2136 68 03/29/1999: #3982

109 Bordell Rosell, Roman 2135 73 07/31/1994: #3448

110 Lynch, Julio A 2135 71 12/31/1945: #83

111 Stantic, Severino 2118 72 12/31/1997: #4821

112 Krasevec, Viktor 2112 75 06/30/1998: #4805

113 Balcerowski, Witold 2111 70 08/06/2001: #4024

114 Lardot, Derik 2053 65 05/03/1999: #4252

115 Djurkovic, Maks 2040 60 03/20/2000: #3912

For each player on this list, the rating they possessed on their 66th birthday is listed. That rating was the last one calculated while they were 65 years of age, so it was their "current" rating on the day they turned 66. Players who played an insufficient number of games in recent years will not appear on the list, even though you may see them on lists for younger and/or older birthdays. Any players who had been completely inactive for three years are removed from the list.

Definition of columns in the above list:

# refers to the player's all-time rank on this list, compared to all other players when they turned 66.

Player is the full name of the player. Click on the player's name to see a career progression of their ratings.

Rating is the calculated rating for each player on their 66th birthday.

+/- 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 their 66th birthday. The +/- value represents the standard deviation of that estimate; the player's true strength on their 66th birthday 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 stronger on their 66th birthday than anyone else turning 66. Since ratings are known to be inaccurate, it is possible that a lower-rated player was actually much stronger than their rating would indicate, and it is also possible that other players were weaker than their ratings would indicate. This number indicates the likelihood that the player was indeed the strongest player ever among players turning 66. 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 had the third-highest rating ever, among players turning 66, we cannot say with 100% certainty that they were truly one of the three strongest 66-year-old players. This number indicates the all-time 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 ever to turn 66. This value is only calculated for the top 100 players on any rating list.

Date is the exact date that the rating applied to. Click on that date to see the sorted list of all players' ratings on that date.