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Top 10 players on their 74th birthday

  #  

Player Rating +/-
1 Smyslov, Vassily V255650
2 Reshevsky, Samuel H255664
3 Najdorf, Miguel252360
4 Kholmov, Ratmir D247452
5 Bronstein, David I246957
6 Blackburne, Joseph H245867
7 Gligoric, Svetozar245352
8 Taimanov, Mark E242550
9 Unzicker, Wolfgang241956
10 Johner, Hans236675

About these ratings

All players on their 74th birthday

  #  

Player Rating +/- Best? 75%? Rating Date
1 Smyslov, Vassily V 25565033.8%#302/28/1995: #167
2 Reshevsky, Samuel H 25566437.2%#310/31/1985: #128
3 Najdorf, Miguel 25236016.9%#503/31/1984: #144
4 Kholmov, Ratmir D 2474522.8%#705/10/1999: #481
5 Bronstein, David I 2469573.1%#801/31/1998: #533
6 Blackburne, Joseph H 2458673.6%#912/31/1914: #26
7 Gligoric, Svetozar 2453521.2%#801/31/1997: #670
8 Taimanov, Mark E 2425500.3%#1002/07/2000: #807
9 Unzicker, Wolfgang 2419560.4%#1006/21/1999: #795
10 Johner, Hans 2366750.3%#1312/31/1962: #224
11 Usachyi, Mark 2365640.1%#1301/31/1995: #1333
12 Pachmann, Ludek 2360750.2%#1304/30/1998: #1467
13 Suetin, Alexey S 235764#1311/13/2000: #1362
14 Canal, Esteban 230775#1502/28/1970: #425
15 Wagman, Stuart 223562#1704/30/1993: #2407
16 Opocenskż, Karel 222359#1712/31/1965: #403
17 Sšmisch, Friedrich 217366#1908/31/1970: #521
18 Beggi, Pierluigi 216972#1909/11/2000: #3603
19 de Souza Mendes, Jo„o 215662#1906/30/1966: #454
20 Maas, Arthur J 210271#2012/31/1930: #68
21 Waller, Helmut 201271#2109/25/2000: #4110

For each player on this list, the rating they possessed on their 74th birthday is listed. That rating was the last one calculated while they were 73 years of age, so it was their "current" rating on the day they turned 74. 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 74.

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 74th 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 74th birthday. The +/- value represents the standard deviation of that estimate; the player's true strength on their 74th 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 74th birthday than anyone else turning 74. 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 74. 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 74, we cannot say with 100% certainty that they were truly one of the three strongest 74-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 74. 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.

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