| 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 |
| 1863 | 27 | 875 | 82.61 | 68.18 | 75.56 | 51.28 | 16.24 | 15.93 | 16.08 | 33.35 | 39.02 |
| 1864 | 28 | 953 | 83.33 | 70.00 | 76.53 | 46.24 | 16.06 | 16.65 | 16.37 | 34.76 | 41.80 |
| 1865 | 29 | 831 | 83.33 | 69.57 | 75.61 | 30.43 | 14.69 | 15.95 | 15.37 | 30.21 | 37.41 |
| 1866 | 30 | 1516 | 73.53 | 61.84 | 67.36 | 27.03 | 14.94 | 14.49 | 14.71 | 30.79 | 40.71 |
| 1867 | 31 | 1992 | 78.89 | 65.96 | 72.28 | 18.80 | 13.04 | 14.18 | 13.54 | 30.85 | 37.48 |
| 1868 | 32 | 1763 | 76.92 | 66.67 | 71.80 | 18.57 | 13.01 | 13.41 | 13.19 | 30.66 | 37.79 |
| 1869 | 33 | 1588 | 75.00 | 63.24 | 69.29 | 19.83 | 13.21 | 13.06 | 13.15 | 29.52 | 36.15 |
| 1870 | 34 | 1935 | 72.09 | 62.20 | 67.26 | 22.91 | 13.15 | 14.78 | 13.86 | 33.23 | 40.91 |
| 1871 | 35 | 1250 | 77.78 | 69.23 | 73.59 | 23.01 | 11.99 | 16.34 | 13.77 | 34.25 | 38.60 |
| 1872 | 36 | 766 | 71.88 | 66.67 | 69.36 | 18.80 | 13.83 | 15.26 | 14.43 | 36.38 | 44.46 |
| 1873 | 37 | 1400 | 82.14 | 70.00 | 75.86 | 16.67 | 12.27 | 12.45 | 12.35 | 33.19 | 37.17 |
| 1874 | 38 | 1400 | 82.14 | 70.00 | 75.86 | 16.67 | 12.27 | 12.45 | 12.35 | 33.19 | 37.17 |
| 1875 | 39 | 937 | 88.89 | 73.81 | 80.77 | 11.73 | 12.25 | 9.47 | 10.93 | 28.60 | 31.93 |
| 1876 | 40 | 1151 | 90.91 | 77.08 | 83.70 | 12.23 | 12.39 | 10.08 | 11.31 | 28.88 | 31.59 |
| 1877 | 41 | 848 | 96.88 | 77.78 | 86.77 | 14.44 | 11.13 | 10.66 | 10.91 | 29.33 | 30.42 |
| 1878 | 42 | 214 | 100.00 | 100.00 | 100.00 | 14.02 | 12.91 | 12.71 | 12.82 | 30.29 | 30.29 |
| 1879 | 43 | 214 | 100.00 | 100.00 | 100.00 | 14.02 | 12.91 | 12.71 | 12.82 | 30.29 | 30.29 |
| 1880 | 44 | 214 | 100.00 | 100.00 | 100.00 | 14.02 | 12.91 | 12.71 | 12.82 | 30.29 | 30.29 |
| 1881 | 45 | ||||||||||
| 1882 | 46 | 1232 | 81.48 | 57.14 | 70.83 | 20.13 | 13.89 | 12.05 | 13.24 | 27.59 | 30.54 |
| 1883 | 47 | 2292 | 73.91 | 65.48 | 69.89 | 18.14 | 12.45 | 10.81 | 11.66 | 24.84 | 29.35 |
| 1884 | 48 | 2292 | 73.91 | 65.48 | 69.89 | 18.14 | 12.45 | 10.81 | 11.66 | 24.84 | 29.35 |
| 1885 | 49 | 2292 | 73.91 | 65.48 | 69.89 | 18.14 | 12.45 | 10.81 | 11.66 | 24.84 | 29.35 |
| 1886 | 50 | 2840 | 72.32 | 64.42 | 68.52 | 16.86 | 12.39 | 11.13 | 11.78 | 24.25 | 29.58 |
| 1887 | 51 | 1608 | 63.79 | 69.36 | 66.67 | 14.50 | 10.86 | 10.74 | 10.79 | 21.77 | 28.84 |
| 1888 | 52 | 635 | 68.18 | 69.23 | 68.75 | 11.70 | 12.45 | 12.74 | 12.62 | 26.22 | 36.87 |
| 1889 | 53 | 1042 | 76.32 | 56.82 | 65.85 | 12.20 | 14.37 | 13.93 | 14.13 | 28.26 | 37.65 |
| 1890 | 54 | 1240 | 70.83 | 57.69 | 64.00 | 13.85 | 14.23 | 13.52 | 13.83 | 26.52 | 36.07 |
| 1891 | 55 | 949 | 71.05 | 54.76 | 62.50 | 14.27 | 15.81 | 14.07 | 14.70 | 24.91 | 34.11 |
| 1892 | 56 | 1507 | 70.00 | 50.00 | 59.52 | 21.39 | 12.68 | 13.82 | 13.33 | 26.26 | 34.94 |
| 1893 | 57 | 1420 | 68.97 | 45.00 | 56.78 | 22.22 | 12.55 | 13.78 | 13.21 | 24.51 | 32.03 |
| 1894 | 58 | 1786 | 61.43 | 47.22 | 54.23 | 20.30 | 10.79 | 11.87 | 11.41 | 21.62 | 28.60 |
| 1895 | 59 | 2567 | 60.20 | 50.00 | 55.00 | 19.91 | 11.35 | 12.08 | 11.75 | 22.46 | 27.24 |
| 1896 | 60 | 2333 | 61.11 | 50.00 | 55.50 | 20.37 | 11.34 | 11.96 | 11.67 | 23.93 | 29.02 |