Comparison of top chess players throughout history
This article presents a number of methodologies that have been suggested for the task of comparing the greatest chess players in history. Statistical methods offer objectivity but, while there is agreement on systems to rate the strengths of current players, there is disagreement on whether such techniques can be applied to players from different generations who never competed against each other.
- 1 Statistical methods
- 2 Moves played compared with computer choices
- 3 Subjective lists
- 3.1 Bobby Fischer (1964 and 1970)
- 3.2 Irving Chernev (1974)
- 3.3 Miguel Quinteros (1992)
- 3.4 Viswanathan Anand (2000, 2008 and 2012)
- 3.5 Chess Informant readers (2001)
- 3.6 David Edmonds and John Eidinow (2004)
- 3.7 Vladimir Kramnik (2005 and 2011)
- 3.8 Leonard Barden (2008)
- 3.9 Levon Aronian (2012 and 2015)
- 3.10 Magnus Carlsen (2012 and 2015)
- 4 World Champions by world title reigns
- 5 See also
- 6 References
Perhaps the best-known statistical model is that devised by Arpad Elo in 1960 and further elaborated on in his 1978 book The Rating of Chessplayers, Past and Present, he gave ratings to players corresponding to their performance over the best five-year span of their career. According to this system the highest ratings achieved were:
- 2725: José Raúl Capablanca
- 2720: Mikhail Botvinnik, Emanuel Lasker
- 2700: Mikhail Tal
- 2690: Alexander Alekhine, Paul Morphy, Vasily Smyslov.
As of December 2015, there were 101 chess players in history who broke 2700 and nine of them exceeded 2800. Particularly notable are the peak ratings of Fischer, Karpov and Kasparov, who achieved their peak ratings in earlier years (1972, 1994, and 1999 respectively).
Table of top 20 rated players of all-time, with date their best ratings were first achieved Rank Rating Player Year-month 1 2882 Magnus Carlsen May 2014 2 2851 Garry Kasparov July 1999 3 2844 Fabiano Caruana October 2014 4 2830 Levon Aronian March 2014 5 2822 Wesley So February 2017 6 2820 Shakhriyar Mamedyarov September 2018 7 2819 Maxime Vachier-Lagrave August 2016 8 (tie) 2817 Viswanathan Anand March 2011 8 (tie) 2817 Vladimir Kramnik October 2016 10 (tie) 2816 Veselin Topalov July 2015 10 (tie) 2816 Hikaru Nakamura October 2015 12 2810 Alexander Grischuk December 2014 13 2804 Ding Liren September 2018 14 2798 Anish Giri October 2015 15 2793 Teimour Radjabov November 2012 16 (tie) 2788 Alexander Morozevich July 2008 16 (tie) 2788 Sergey Karjakin July 2011 18 2787 Vassily Ivanchuk October 2007 19 2785 Bobby Fischer April 1972 20 2780 Anatoly Karpov July 1994
Average rating over time
The average Elo rating of top players has risen over time. For instance, the average of the top 10 active players rose from 2751 in July 2000 to 2794 in July 2014, a 43-point increase in 14 years. The average rating of the top 100 players, meanwhile, increased from 2644 to 2703, a 59-point increase. Many people believe that this rise is mostly due to a system artifact known as ratings inflation, making it impractical to compare players of different eras.
Arpad Elo was of the opinion that it was futile to attempt to use ratings to compare players from different eras; in his view, they could only possibly measure the strength of a player as compared to his or her contemporaries. He also stated that the process of rating players was in any case rather approximate; he compared it to "the measurement of the position of a cork bobbing up and down on the surface of agitated water with a yard stick tied to a rope and which is swaying in the wind".
Many statisticians besides Elo have devised similar methods to retrospectively rate players. Jeff Sonas' rating system is called "Chessmetrics". This system takes account of many games played after the publication of Elo's book, and claims to take account of the rating inflation that the Elo system has allegedly suffered.
One caveat is that a Chessmetrics rating takes into account the frequency of play. According to Sonas, "As soon as you go a month without playing, your Chessmetrics rating will start to drop."
Sonas, like Elo, claims that it is impossible to compare the strength of players from different eras, saying:
Of course, a rating always indicates the level of dominance of a particular player against contemporary peers; it says nothing about whether the player is stronger/weaker in their actual technical chess skill than a player far removed from them in time. So while we cannot say that Bobby Fischer in the early 1970s or José Capablanca in the early 1920s were the "strongest" players of all time, we can say with a certain amount of confidence that they were the two most dominant players of all time. That is the extent of what these ratings can tell us.
Nevertheless, Sonas' website does compare players from different eras. Including data until December 2004, the ratings were:
|Rank||1-year peak||5-year peak||10-year peak||15-year peak||20-year peak|
|1||Bobby Fischer, 2881||Garry Kasparov, 2875||Garry Kasparov, 2863||Garry Kasparov, 2862||Garry Kasparov, 2856|
|2||Garry Kasparov, 2879||Emanuel Lasker, 2854||Emanuel Lasker, 2847||Anatoly Karpov, 2820||Anatoly Karpov, 2818|
|3||Mikhail Botvinnik, 2871||José Capablanca, 2843||Anatoly Karpov, 2821||Emanuel Lasker, 2816||Emanuel Lasker, 2809|
|4||José Capablanca, 2866||Mikhail Botvinnik, 2843||José Capablanca, 2813||José Capablanca, 2798||Alexander Alekhine, 2781|
|5||Emanuel Lasker, 2863||Bobby Fischer, 2841||Bobby Fischer, 2810||Alexander Alekhine, 2794||Viktor Korchnoi, 2766|
|6||Alexander Alekhine, 2851||Anatoly Karpov, 2829||Mikhail Botvinnik, 2810||Mikhail Botvinnik, 2789||Vasily Smyslov, 2759|
In 2005, Sonas used Chessmetrics to evaluate historical annual performance ratings and came to the conclusion that Kasparov was dominant for the most years, followed by Karpov and Lasker. He also published the following list of the highest ratings ever attained according to calculations done at the start of each month:
Rank Rating Player 1 2895 Bobby Fischer 2 2886 Garry Kasparov 3 2885 Mikhail Botvinnik 4 2878 Emanuel Lasker 5 2877 José Capablanca 6 2860 Alexander Alekhine 7 2848 Anatoly Karpov 8 2833 Viswanathan Anand 9 2826 Vladimir Kramnik 10 2826 Wilhelm Steinitz
Warriors of the Mind
In contrast to Elo and Sonas's systems, Raymond Keene and Nathan Divinsky's book Warriors of the Mind attempts to establish a rating system claiming to compare directly the strength of players active in different eras, and so determine the strongest player of all time. Considering games played between sixty-four of the strongest players in history, they came up with the following top ten:
These "Divinsky numbers" are not on the same scale as Elo ratings (the last person on the list, Johannes Zukertort, has a Divinsky number of 873, which would be a beginner-level Elo rating). Keene and Divinsky's system has met with limited acceptance, and Warriors of the Mind has been accused of arbitrarily selecting players and bias towards modern players.
Moves played compared with computer choices
Matej Guid and Ivan Bratko
A computer-based method of analyzing chess abilities across history came from Matej Guid and Ivan Bratko from the Department of Computer and Information Science of University of Ljubljana, Slovenia, in 2006. The basis for their evaluation was the difference between the position values resulting from the moves played by the human chess player and the moves chosen as best by the chess program Crafty. They compared the average number of errors in the player's game. Opening moves were excluded, in an attempt to negate the progress in chess opening theory.
The method received a number of criticisms, including: the study used a modified version of Crafty rather than the standard version; even the standard version of Crafty was not strong enough to evaluate the world champions' play; one of the modifications restricted the search depth to 12 half-moves, which is often insufficient. As of 2006 Crafty's Elo rating was 2657, below many historical top human players and several other computer programs.
A study by online chess data provider Chess-DB, based on an analysis of over 50,000 chess games, claims that the "strength" of a player, as determined by the method of Matej Guid and Ivan Bratko, correlates with the Elo rating strength of modern players.
A similar project was conducted for World Champions in 2007–08 using Rybka 2.3.2a (then-strongest chess program) and a modified version of Crafty 20.14. It arrived at the following results:
|Position||best year||best 2-year period||best 3-year period||best 5-year period||best 10-year period||best 15-year period|
|1||Fischer (1968, aged 25)||Fischer||Fischer||Fischer; Kasparov||Fischer; Capablanca||Capablanca|
|2||Kramnik (2007, aged 32)||Kramnik; Capablanca;
|Capablanca; Kasparov||Karpov; Kramnik|
|3||Kasparov (1998, aged 35)||Capablanca||Kramnik|
|4||Botvinnik (1939, aged 28)||Smyslov||Kramnik; Botvinnik||Kasparov||Smyslov; Kasparov|
|5||Capablanca (1915, aged 27)||Karpov; Smyslov||Botvinnik||Karpov; Smyslov|
|6||Karpov (1983, aged 32)||Kramnik||Smyslov||Fischer|
|7||Smyslov (1983, aged 62) ;
Tal (1987, aged 51)
|Botvinnik; Alekhine||Karpov||Karpov; Lasker||Botvinnik; Spassky||Botvinnik; Spassky;|
|9||Petrosian (1962, aged 33)||Anand||Alekhine; Anand||Anand|
|10||Euwe (1938, aged 37)||Tal; Spassky||Anand||Lasker; Petrosian||Anand|
|11||Spassky (1980, aged 43)||Petrosian||Petrosian; Spassky||Tal|
|12||Alekhine (1927, aged 35) ;
Anand (2006, aged 37)
|Lasker; Euwe||Tal; Alekhine||Tal; Alekhine||Alekhine; Lasker|
|14||Lasker (1909, aged 41)||Petrosian||Euwe||Euwe||Euwe|
|15||Morphy (1858, aged 21)||Morphy||Morphy||Steinitz||Steinitz||Steinitz|
|16||Steinitz (1886, aged 50)||Steinitz||Steinitz||—||—||—|
A 2008 analysis, using Rybka 3, showed that Capablanca had the smallest average error factor (i.e. the most accurate play); but after adjusting for factors such as the complexity of positions, the best player came out as Fischer, followed by Capablanca, Karpov and Kramnik. The best players had an average error of about 0.07 pawns per move (after the opening). Capablanca was the most positional player, and Anand by far the most tactical. The most complex game tested was Fischer v Spassky (1972 game 6, Fischer won) while the most accurately played game was Tal v Benko (1958, Tal won).
CAPS (Computer Aggregated Precision Score) is a system created by Chess.com that compares players from different eras by finding the percentage of moves that matches that of a chess engine. A score is then assigned based on percentage of matches and move value (for example, if the move was not the best, but still good, points are awarded). CAPS ignores both style and psychology. According to the system, Carlsen was the best player ever, with a CAPS score of 98.36 and a top engine match of 85.26%. He was followed closely by Kramnik, and then Kasparov.
In an article  published by the ICGA Journal, Jean-Marc Alliot of the Toulouse Computer Science Research Institute (IRIT) presents a new method, based on a Markovian interpretation of a chess game. Starting with those of Wilhelm Steinitz, all 26,000 games played since then by chess world champions have been processed by a supercomputer using Stockfish (rated between 3310 ELO at the CCRL and 3337 at the SSDF as of 10/2015, but around 3150 under the test condition according to the authors) in 62000 CPU hours, in order to create a probabilistic model for each player. For each position, the model estimates the probability of making a mistake, and the magnitude of the mistake by comparing the two best moves calculated at an average of 2 minutes by move (26 plies on the average) with the move actually played,  starting from move number 10. These models can then be used to compute the win/draw/lose probability for any given match between two players. The predictions have proven not only to be extremely close to the actual results when players have played concrete games against one another, they also fare better than those based on ELO scores. The results demonstrate that the level of chess players has been steadily increasing. Magnus Carlsen (in 2013), tops the list, while Vladimir Kramnik (in 1999) is second, Bobby Fischer (in 1971) is third, and Garry Kasparov (in 2001) is fourth.
The complete results are as follows (each player taken in his best year, Carlsen: 2013, Kramnik: 1999, Fischer: 1971, Kasparov: 2001, Anand: 2008, Khalifman: 2010, Smyslov: 1983, Petrosian: 1962, Karpov: 1988, Kasimdzhanov: 2011, Botvinnik: 1945, Ponomariov: 2011, Lasker: 1907, Spassky: 1970, Topalov: 2008, Capablanca: 1928, Euwe: 1941, Tal: 1981, Alekhine: 1922, Steinitz: 1894). The numbers represent the winning percentage of one player against his opponent. Tables are not symmetric as playing with white and with black is not the same.
Many prominent players and chess writers have offered their own rankings of players.
Bobby Fischer (1964 and 1970)
In 1964, Bobby Fischer listed his top 10 in Chessworld magazine: Morphy, Staunton, Steinitz, Tarrasch, Chigorin, Alekhine, Capablanca, Spassky, Tal, Reshevsky. He considered Morphy to be "perhaps the most accurate", writing: "In a set match he would beat anyone alive today."
Irving Chernev (1974)
In 1974, popular chess author Irving Chernev published an article titled Who were the greatest? in the English magazine CHESS. He followed this up with his 1976 book The Golden Dozen, in which he ranked his all-time top twelve: 1. Capablanca, 2. Alekhine, 3. Lasker, 4. Fischer, 5. Botvinnik, 6. Petrosian, 7. Tal, 8. Smyslov, 9. Spassky, 10. Bronstein, 11. Rubinstein, and 12. Nimzowitsch.
Miguel Quinteros (1992)
In a 1992 interview GM Miguel Quinteros gave the opinion: "I think Fischer was and still is the greatest chess player of all time. [...] During his absence other good chess players have appeared. But no one equals Fischer's talent and perfection."
Viswanathan Anand (2000, 2008 and 2012)
When interviewed in 2008 shortly after Fischer's death, he ranked Fischer and Kasparov as the greatest, with Kasparov a little ahead by virtue of being on top for so many years.
In 2012, Anand stated that he considered Fischer the best player and also the greatest, because of the hurdles he faced.
Chess Informant readers (2001)
Svetozar Gligorić reported in his book Shall We Play Fischerandom Chess? (Batsford, 2002):
At the beginning of 2001 a large poll for the "Ten Greatest Chess Players of the 20th Century, selected by Chess Informant readers" resulted in Fischer having the highest percentage of votes and finishing as No. 1, ahead of Kasparov, Alekhine, Capablanca, Botvinnik, Karpov, Tal, Lasker, Anand and Korchnoi.
David Edmonds and John Eidinow (2004)
BBC award-winning journalists, from their book Bobby Fischer Goes to War: How the Soviets Lost the Most Extraordinary Chess Match of All Time (HarperCollins, 2004):
Fischer, some will maintain, was the outstanding player in chess history, though there are powerful advocates too for Lasker, Capablanca, Alekhine, and Kasparov. Many chess players will dismiss such comparisons as meaningless, akin to the futile attempt to grade the supreme musicians of all time. But the manner in which Fischer stormed his way to Reykjavik, his breathtaking dominance at the Palma de Majorca Interzonal, the trouncings of Taimanov, Larsen, and Petrosian—all this was unprecedented. There never has been an era in modern chess during which one player has so overshadowed all others.
Vladimir Kramnik (2005 and 2011)
In a 2005 interview, Vladimir Kramnik (World Champion from 2000 to 2007) did not name a greatest player, but stated, "The other world champions had something 'missing'. I can't say the same about Kasparov: he can do everything."
In an interview in 2011, Vladimir Kramnik said about Anand: "I always considered him to be a colossal talent, one of the greatest in the whole history of chess", "I think that in terms of play Anand is in no way weaker than Kasparov", and "In the last 5–6 years he's made a qualitative leap that's made it possible to consider him one of the great chess players".
Leonard Barden (2008)
Levon Aronian (2012 and 2015)
Magnus Carlsen (2012 and 2015)
In December 2015, he repeated his great respect for both Fischer and Kasparov when he mentioned them several times in an interview, saying he would like to play against them at their peak performance. Also, he said he liked the style of play and games of Vladimir Kramnik. As the toughest opponent to beat at that time he named Levon Aronian.
World Champions by world title reigns
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The table below organises the world champions in order of championship wins. (For the purpose of this table, a successful defence counts as a win, even if the match was drawn.) The table is made more complicated by the split between the "Classical" and FIDE world titles between 1993 and 2006.
|José Raúl Capablanca||1||1||6||6|
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