| 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 |
| 1898 | 29 | 4019 | 81.08 | 66.20 | 73.79 | 6.56 | 9.83 | 10.64 | 10.19 | 20.87 | 25.67 |
| 1899 | 30 | 4560 | 79.52 | 70.37 | 75.00 | 5.99 | 9.89 | 10.25 | 10.06 | 20.50 | 25.09 |
| 1900 | 31 | 4565 | 82.14 | 70.12 | 76.21 | 5.87 | 10.13 | 9.88 | 10.01 | 20.68 | 25.14 |
| 1901 | 32 | 4629 | 81.77 | 70.48 | 76.19 | 6.09 | 10.13 | 9.92 | 10.03 | 20.76 | 25.13 |
| 1902 | 33 | 3913 | 80.56 | 70.14 | 75.35 | 6.26 | 10.09 | 10.13 | 10.11 | 20.78 | 25.39 |
| 1903 | 34 | 3788 | 80.00 | 68.84 | 74.46 | 6.53 | 10.14 | 9.73 | 9.95 | 20.61 | 25.29 |
| 1904 | 35 | 3623 | 80.88 | 70.90 | 75.93 | 8.02 | 10.13 | 9.50 | 9.83 | 21.62 | 26.04 |
| 1905 | 36 | 2628 | 83.67 | 71.88 | 77.84 | 8.31 | 10.41 | 9.15 | 9.81 | 21.49 | 25.30 |
| 1906 | 37 | 1712 | 81.82 | 81.67 | 81.75 | 7.58 | 10.93 | 8.43 | 9.63 | 22.66 | 25.80 |
| 1907 | 38 | 2086 | 80.77 | 79.73 | 80.26 | 8.05 | 10.57 | 8.78 | 9.62 | 22.79 | 26.84 |
| 1908 | 39 | 2542 | 79.79 | 75.56 | 77.72 | 7.83 | 10.49 | 9.68 | 10.08 | 21.54 | 26.63 |
| 1909 | 40 | 2728 | 85.00 | 66.67 | 76.02 | 7.02 | 9.51 | 10.03 | 9.75 | 21.21 | 25.27 |
| 1910 | 41 | 2857 | 81.37 | 64.00 | 72.77 | 7.58 | 9.10 | 9.79 | 9.42 | 19.92 | 24.34 |
| 1911 | 42 | 2793 | 82.00 | 63.27 | 72.73 | 7.16 | 9.10 | 9.71 | 9.37 | 19.76 | 24.34 |
| 1912 | 43 | 2793 | 82.00 | 63.27 | 72.73 | 7.16 | 9.10 | 9.71 | 9.37 | 19.76 | 24.34 |
| 1913 | 44 | 2793 | 82.00 | 63.27 | 72.73 | 7.16 | 9.10 | 9.71 | 9.37 | 19.76 | 24.34 |
| 1914 | 45 | 2919 | 82.35 | 63.73 | 73.04 | 4.81 | 9.08 | 9.83 | 9.42 | 19.46 | 24.06 |
| 1915 | 46 | 2919 | 82.35 | 63.73 | 73.04 | 4.81 | 9.08 | 9.83 | 9.42 | 19.46 | 24.06 |
| 1916 | 47 | 3057 | 83.33 | 64.82 | 74.07 | 5.05 | 9.04 | 9.64 | 9.31 | 19.39 | 23.76 |
| 1917 | 48 | 2619 | 84.04 | 63.04 | 73.66 | 4.59 | 9.14 | 9.54 | 9.31 | 18.75 | 22.61 |
| 1918 | 49 | 2355 | 85.71 | 64.63 | 75.30 | 3.89 | 9.33 | 8.48 | 8.95 | 18.95 | 21.85 |
| 1919 | 50 | 1449 | 82.69 | 66.00 | 74.51 | 6.35 | 10.17 | 7.48 | 8.94 | 18.19 | 22.58 |
| 1920 | 51 | 844 | 86.67 | 70.00 | 78.33 | 5.77 | 10.97 | 8.02 | 9.61 | 19.61 | 23.14 |
| 1921 | 52 | 1207 | 70.46 | 59.09 | 64.77 | 6.20 | 10.58 | 8.48 | 9.58 | 17.22 | 23.14 |
| 1922 | 53 | 1207 | 70.46 | 59.09 | 64.77 | 6.20 | 10.58 | 8.48 | 9.58 | 17.22 | 23.14 |
| 1923 | 54 | 1510 | 73.21 | 63.79 | 68.42 | 6.90 | 10.74 | 8.73 | 9.80 | 18.89 | 26.42 |
| 1924 | 55 | 1576 | 70.69 | 70.00 | 70.34 | 7.18 | 10.31 | 9.61 | 9.94 | 17.88 | 24.58 |
| 1925 | 56 | 2093 | 70.51 | 70.00 | 70.25 | 7.56 | 9.89 | 9.33 | 9.60 | 18.40 | 25.53 |
| 1926 | 57 | 1955 | 68.06 | 68.92 | 68.49 | 7.40 | 10.04 | 9.56 | 9.78 | 18.45 | 26.16 |
| 1927 | 58 | 1955 | 68.06 | 68.92 | 68.49 | 7.40 | 10.04 | 9.56 | 9.78 | 18.45 | 26.16 |
| 1928 | 59 | 1763 | 66.67 | 69.12 | 67.91 | 8.04 | 9.50 | 9.61 | 9.56 | 18.87 | 27.11 |
| 1929 | 60 | 1763 | 66.67 | 69.12 | 67.91 | 8.04 | 9.50 | 9.61 | 9.56 | 18.87 | 27.11 |
| 1930 | 61 | 1763 | 66.67 | 69.12 | 67.91 | 8.04 | 9.50 | 9.61 | 9.56 | 18.87 | 27.11 |
| 1931 | 62 | 1400 | 75.00 | 77.78 | 76.42 | 8.04 | 9.59 | 9.56 | 9.57 | 20.77 | 27.11 |
| 1932 | 63 | 1400 | 75.00 | 77.78 | 76.42 | 8.04 | 9.59 | 9.56 | 9.57 | 20.77 | 27.11 |
| 1933 | 64 | 1097 | 72.50 | 77.50 | 75.00 | 7.79 | 8.96 | 9.58 | 9.33 | 19.41 | 25.06 |
| 1934 | 65 | 908 | 67.65 | 69.44 | 68.57 | 7.24 | 10.19 | 9.61 | 9.88 | 20.12 | 25.81 |
| 1935 | 66 | 887 | 62.50 | 69.44 | 66.18 | 6.01 | 10.49 | 8.03 | 9.00 | 17.34 | 21.78 |
| 1936 | 67 | 1650 | 59.38 | 58.82 | 59.09 | 8.51 | 8.85 | 9.95 | 9.40 | 16.45 | 22.62 |