| Compare by Age | Compare 1908-1946 | Compare 1947-1972 | Compare 1973-2007 | Individual Players |
| Morphy | Steinitz | Lasker | Capablanca | Alekhine | Euwe | Botvinnik | Smyslov |
| Tal | Petrosian | Spassky | Fischer | Karpov | Kasparov | Kramnik | Anand |
|   | 1 Yr Periods | 3 Yr Periods | 5 Yr Periods | 10 Yr Periods | Return to TrueChess home | Return to Compare Champions home |
| DRAWN GAMES ARE EXCLUDED FROM "BLUNDERS" AND "AVG ERROR" DATA COLUMNS |
| YEAR | AGE | MOVES ANALYZED | WHITE PTS PERCENT | BLACK PTS PERCENT | TOTAL PTS PERCENT | BLUNDERS per 1000 MOVES | AVG ERROR per WHITE MOVE | AVG ERROR per BLACK MOVE | AVG ERROR per MOVE | COMPLEXITY – ALL GAMES | COMPLEXITY – WINNING GAMES |
| 1889 | 20 | 179 | 87.50 | 66.67 | 78.57 | 0.00 | 13.73 | 4.00 | 12.56 | 32.44 | 40.65 |
| 1890 | 21 | 471 | 72.22 | 78.57 | 75.00 | 5.83 | 8.56 | 12.67 | 10.38 | 20.95 | 27.16 |
| 1891 | 22 | ||||||||||
| 1892 | 23 | 716 | 88.46 | 72.73 | 81.25 | 5.20 | 10.34 | 8.86 | 9.61 | 20.63 | 23.88 |
| 1893 | 24 | 125 | 100.00 | 100.00 | 100.00 | 0.00 | 7.32 | 18.77 | 15.24 | 28.35 | 28.35 |
| 1894 | 25 | 553 | 75.00 | 50.00 | 63.16 | 7.06 | 10.53 | 9.66 | 10.24 | 17.25 | 22.29 |
| 1895 | 26 | 995 | 73.68 | 68.42 | 71.05 | 7.14 | 9.27 | 10.57 | 9.89 | 21.99 | 28.70 |
| 1896 | 27 | 916 | 87.50 | 55.56 | 70.59 | 9.66 | 9.69 | 10.83 | 10.14 | 19.35 | 24.35 |
| 1897 | 28 | 64 | 100.00 | 100.00 | 100.00 | 0.00 | 10.26 | 7.38 | 8.70 | 23.52 | 23.52 |
| 1898 | 29 | ||||||||||
| 1899 | 30 | 720 | 73.08 | 92.31 | 82.69 | 1.82 | 11.07 | 8.43 | 9.60 | 20.93 | 23.98 |
| 1900 | 31 | 476 | 95.00 | 75.00 | 86.11 | 4.83 | 10.91 | 8.88 | 9.92 | 22.64 | 26.88 |
| 1901 | 32 | 64 | 50.00 | 100.00 | 75.00 | 31.25 | 0.00 | 11.68 | 11.68 | 26.30 | 24.54 |
| 1902 | 33 | ||||||||||
| 1903 | 34 | ||||||||||
| 1904 | 35 | 388 | 81.25 | 64.29 | 73.33 | 23.08 | 10.85 | 6.96 | 9.17 | 25.12 | 28.96 |
| 1905 | 36 | ||||||||||
| 1906 | 37 | ||||||||||
| 1907 | 38 | 438 | 78.57 | 75.00 | 76.67 | 8.55 | 8.01 | 10.29 | 9.31 | 23.41 | 31.80 |
| 1908 | 39 | 456 | 75.00 | 56.25 | 65.63 | 6.73 | 10.17 | 15.04 | 12.37 | 15.80 | 25.27 |
| 1909 | 40 | 906 | 90.63 | 62.50 | 76.56 | 1.32 | 8.57 | 9.52 | 8.97 | 20.14 | 21.08 |
| 1910 | 41 | 605 | 77.27 | 60.00 | 69.05 | 7.49 | 8.63 | 6.41 | 7.63 | 16.23 | 21.41 |
| 1911 | 42 | ||||||||||
| 1912 | 43 | ||||||||||
| 1913 | 44 | ||||||||||
| 1914 | 45 | 514 | 83.33 | 66.67 | 75.00 | 6.29 | 10.58 | 8.45 | 9.49 | 22.10 | 26.65 |
| 1915 | 46 | ||||||||||
| 1916 | 47 | 138 | 100.00 | 83.33 | 91.67 | 9.43 | 8.40 | 6.10 | 7.37 | 17.65 | 19.24 |
| 1917 | 48 | ||||||||||
| 1918 | 49 | 192 | 83.33 | 66.67 | 75.00 | 0.00 | 13.89 | 8.63 | 12.14 | 14.73 | 17.86 |
| 1919 | 50 | ||||||||||
| 1920 | 51 | ||||||||||
| 1921 | 52 | 363 | 35.71 | 35.71 | 35.71 | 8.00 | 8.90 | 10.05 | 9.49 | 11.97 | |
| 1922 | 53 | ||||||||||
| 1923 | 54 | 303 | 83.33 | 78.57 | 80.77 | 8.89 | 11.20 | 9.46 | 10.40 | 25.61 | 33.24 |
| 1924 | 55 | 580 | 75.00 | 85.00 | 80.00 | 7.09 | 9.24 | 10.26 | 9.91 | 18.86 | 22.71 |
| 1925 | 56 | 517 | 70.00 | 70.00 | 70.00 | 8.65 | 8.71 | 8.48 | 8.59 | 20.05 | 28.23 |
| 1926 | 57 | ||||||||||
| 1927 | 58 | ||||||||||
| 1928 | 59 | ||||||||||
| 1929 | 60 | ||||||||||
| 1930 | 61 | ||||||||||
| 1931 | 62 | ||||||||||
| 1932 | 63 | ||||||||||
| 1933 | 64 | ||||||||||
| 1934 | 65 | 391 | 64.29 | 68.75 | 66.67 | 5.81 | 11.80 | 10.63 | 11.15 | 20.22 | 22.98 |
| 1935 | 66 | 496 | 61.11 | 70.00 | 65.79 | 6.45 | 6.14 | 3.55 | 4.32 | 15.17 | 19.87 |
| 1936 | 67 | 763 | 56.25 | 46.88 | 51.56 | 11.34 | 7.72 | 13.29 | 9.82 | 15.44 | 23.84 |