| 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 |
| 1911 | 22 | 877 | 73.53 | 60.53 | 66.67 | 4.52 | 9.66 | 8.70 | 9.15 | 17.80 | 25.80 |
| 1912 | 23 | 431 | 87.50 | 61.11 | 73.53 | 7.17 | 7.98 | 8.39 | 8.12 | 17.88 | 21.42 |
| 1913 | 24 | 716 | 84.62 | 75.00 | 79.63 | 8.87 | 7.82 | 8.26 | 8.01 | 19.53 | 22.49 |
| 1914 | 25 | 1067 | 77.50 | 84.21 | 80.77 | 8.58 | 8.99 | 8.87 | 8.93 | 20.51 | 24.92 |
| 1915 | 26 | 1350 | 80.00 | 87.50 | 83.67 | 5.53 | 9.08 | 8.84 | 8.95 | 20.62 | 24.31 |
| 1916 | 27 | 1551 | 83.93 | 80.36 | 82.14 | 4.24 | 9.07 | 8.26 | 8.67 | 20.53 | 24.68 |
| 1917 | 28 | 886 | 93.33 | 81.25 | 87.10 | 2.73 | 8.57 | 7.50 | 8.06 | 20.99 | 23.76 |
| 1918 | 29 | 849 | 92.86 | 76.67 | 84.48 | 3.10 | 7.76 | 8.01 | 7.88 | 21.24 | 23.92 |
| 1919 | 30 | 641 | 95.46 | 87.50 | 91.30 | 1.95 | 9.49 | 8.64 | 9.05 | 20.74 | 22.10 |
| 1920 | 31 | 641 | 95.46 | 87.50 | 91.30 | 1.95 | 9.49 | 8.64 | 9.05 | 20.74 | 22.10 |
| 1921 | 32 | 629 | 79.17 | 76.92 | 78.00 | 2.67 | 12.45 | 6.78 | 9.46 | 15.81 | 18.05 |
| 1922 | 33 | 732 | 78.57 | 73.33 | 75.86 | 0.00 | 11.47 | 7.94 | 9.83 | 19.41 | 23.15 |
| 1923 | 34 | 732 | 78.57 | 73.33 | 75.86 | 0.00 | 11.47 | 7.94 | 9.83 | 19.41 | 23.15 |
| 1924 | 35 | 903 | 85.29 | 72.22 | 78.57 | 1.56 | 10.75 | 9.01 | 10.02 | 22.53 | 27.87 |
| 1925 | 36 | 980 | 70.00 | 70.00 | 70.00 | 12.03 | 10.61 | 8.00 | 9.52 | 24.59 | 35.12 |
| 1926 | 37 | 1177 | 68.75 | 72.92 | 70.83 | 10.07 | 10.52 | 7.78 | 9.20 | 23.24 | 32.72 |
| 1927 | 38 | 2016 | 57.32 | 62.20 | 59.76 | 10.39 | 9.86 | 6.88 | 8.30 | 19.01 | 37.41 |
| 1928 | 39 | 2326 | 62.50 | 60.87 | 61.70 | 4.94 | 9.40 | 7.41 | 8.51 | 18.33 | 33.48 |
| 1929 | 40 | 3649 | 72.00 | 64.67 | 68.33 | 4.22 | 8.62 | 8.54 | 8.59 | 18.52 | 27.90 |
| 1930 | 41 | 2531 | 81.73 | 69.81 | 75.71 | 3.79 | 7.89 | 9.12 | 8.44 | 20.03 | 25.95 |
| 1931 | 42 | 2285 | 83.70 | 71.88 | 77.66 | 5.35 | 7.75 | 8.60 | 8.17 | 19.03 | 23.75 |
| 1932 | 43 | 765 | 80.00 | 70.00 | 75.00 | 10.00 | 7.59 | 7.23 | 7.42 | 19.96 | 25.57 |
| 1933 | 44 | 522 | 77.27 | 75.00 | 76.19 | 12.46 | 9.58 | 6.16 | 7.94 | 20.60 | 25.70 |
| 1934 | 45 | 110 | 50.00 | 75.00 | 62.50 | 0.00 | 14.12 | 11.17 | 13.00 | 15.57 | 19.66 |
| 1935 | 46 | 882 | 73.68 | 58.33 | 66.22 | 1.83 | 11.07 | 11.62 | 11.36 | 16.41 | 24.93 |
| 1936 | 47 | 1903 | 75.64 | 64.10 | 69.87 | 4.37 | 9.85 | 11.51 | 10.66 | 16.87 | 23.30 |
| 1937 | 48 | 2135 | 73.86 | 61.36 | 67.61 | 4.36 | 9.15 | 11.31 | 10.25 | 16.60 | 23.67 |
| 1938 | 49 | 1899 | 72.37 | 56.41 | 64.29 | 6.52 | 8.94 | 10.86 | 9.89 | 17.49 | 23.98 |
| 1939 | 50 | 1479 | 73.44 | 48.21 | 61.67 | 4.96 | 9.46 | 11.48 | 10.25 | 17.79 | 25.99 |