| 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 |
| 1913 | 24 | 1279 | 77.08 | 69.23 | 73.00 | 7.37 | 8.81 | 8.41 | 8.62 | 18.91 | 24.60 |
| 1914 | 25 | 1381 | 78.85 | 76.92 | 77.89 | 7.93 | 8.68 | 8.85 | 8.76 | 19.71 | 24.23 |
| 1915 | 26 | 1781 | 81.82 | 80.30 | 81.06 | 5.87 | 8.79 | 8.77 | 8.78 | 19.95 | 23.73 |
| 1916 | 27 | 1953 | 84.29 | 82.86 | 83.57 | 5.81 | 8.78 | 8.20 | 8.50 | 20.73 | 24.34 |
| 1917 | 28 | 1836 | 83.33 | 83.33 | 83.33 | 5.47 | 8.81 | 8.24 | 8.52 | 20.79 | 24.50 |
| 1918 | 29 | 1914 | 85.29 | 80.88 | 83.09 | 3.46 | 8.73 | 8.63 | 8.68 | 20.66 | 24.25 |
| 1919 | 30 | 1527 | 94.23 | 83.93 | 88.89 | 2.41 | 8.93 | 7.98 | 8.46 | 20.89 | 23.08 |
| 1920 | 31 | 1127 | 94.74 | 80.95 | 87.50 | 3.37 | 8.87 | 7.70 | 8.30 | 20.96 | 23.30 |
| 1921 | 32 | 992 | 83.33 | 78.95 | 81.08 | 1.56 | 10.27 | 8.13 | 9.17 | 17.70 | 19.75 |
| 1922 | 33 | 1373 | 86.00 | 79.63 | 82.69 | 1.04 | 10.49 | 8.32 | 9.42 | 20.01 | 22.61 |
| 1923 | 34 | 1010 | 84.21 | 78.57 | 81.25 | 1.44 | 11.68 | 7.59 | 9.67 | 19.60 | 22.69 |
| 1924 | 35 | 1254 | 79.17 | 70.00 | 74.49 | 1.30 | 11.08 | 8.45 | 9.95 | 19.68 | 24.89 |
| 1925 | 36 | 1712 | 73.53 | 71.43 | 72.46 | 6.78 | 10.97 | 7.97 | 9.66 | 22.39 | 29.63 |
| 1926 | 37 | 1558 | 74.19 | 75.00 | 74.60 | 6.88 | 10.64 | 8.07 | 9.43 | 23.95 | 31.32 |
| 1927 | 38 | 2538 | 61.77 | 62.75 | 62.26 | 8.43 | 10.12 | 7.43 | 8.82 | 19.23 | 33.98 |
| 1928 | 39 | 3306 | 64.71 | 63.64 | 64.18 | 7.52 | 9.87 | 7.62 | 8.89 | 20.20 | 34.15 |
| 1929 | 40 | 4304 | 70.23 | 66.85 | 68.54 | 6.17 | 8.85 | 8.21 | 8.55 | 19.64 | 29.56 |
| 1930 | 41 | 4089 | 72.29 | 65.48 | 68.86 | 4.12 | 8.26 | 8.47 | 8.36 | 18.43 | 27.31 |
| 1931 | 42 | 4414 | 73.33 | 65.56 | 69.44 | 5.43 | 8.41 | 8.25 | 8.34 | 18.77 | 27.37 |
| 1932 | 43 | 3053 | 80.95 | 70.64 | 75.79 | 5.25 | 8.16 | 8.60 | 8.36 | 20.13 | 25.90 |
| 1933 | 44 | 2285 | 83.70 | 71.88 | 77.66 | 5.35 | 7.75 | 8.60 | 8.17 | 19.03 | 23.75 |
| 1934 | 45 | 875 | 76.47 | 70.59 | 73.53 | 8.61 | 8.71 | 7.70 | 8.23 | 19.39 | 24.83 |
| 1935 | 46 | 1404 | 75.00 | 64.29 | 69.83 | 5.77 | 10.51 | 9.74 | 10.12 | 17.95 | 25.25 |
| 1936 | 47 | 1903 | 75.64 | 64.10 | 69.87 | 4.37 | 9.85 | 11.51 | 10.66 | 16.87 | 23.30 |
| 1937 | 48 | 2245 | 72.83 | 61.96 | 67.39 | 4.07 | 9.57 | 11.30 | 10.44 | 16.55 | 23.42 |
| 1938 | 49 | 2781 | 72.81 | 57.02 | 64.91 | 4.78 | 9.71 | 11.15 | 10.43 | 17.15 | 24.32 |
| 1939 | 50 | 3272 | 75.36 | 56.92 | 66.42 | 4.80 | 9.44 | 11.51 | 10.39 | 17.33 | 24.36 |