| 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 |
| 1919 | 26 | 4008 | 64.29 | 70.63 | 67.52 | 14.17 | 10.73 | 10.98 | 10.87 | 25.10 | 31.62 |
| 1920 | 27 | 3723 | 64.29 | 74.03 | 69.39 | 13.65 | 10.76 | 10.82 | 10.80 | 25.70 | 31.60 |
| 1921 | 28 | 3787 | 70.00 | 76.88 | 73.55 | 13.43 | 9.62 | 11.04 | 10.35 | 26.60 | 32.17 |
| 1922 | 29 | 4491 | 70.23 | 77.90 | 74.19 | 11.40 | 10.03 | 10.17 | 10.10 | 24.45 | 29.75 |
| 1923 | 30 | 4514 | 68.82 | 79.12 | 73.91 | 9.48 | 10.09 | 9.59 | 9.84 | 23.80 | 30.01 |
| 1924 | 31 | 3898 | 71.88 | 76.58 | 74.21 | 5.48 | 9.98 | 9.70 | 9.85 | 22.52 | 29.87 |
| 1925 | 32 | 4670 | 75.00 | 74.47 | 74.74 | 6.22 | 9.71 | 9.14 | 9.44 | 21.29 | 27.36 |
| 1926 | 33 | 5971 | 74.37 | 75.83 | 75.11 | 7.00 | 9.63 | 9.23 | 9.43 | 21.24 | 27.05 |
| 1927 | 34 | 7727 | 71.90 | 71.29 | 71.59 | 6.73 | 9.43 | 9.30 | 9.37 | 19.84 | 26.56 |
| 1928 | 35 | 7727 | 71.90 | 71.29 | 71.59 | 6.73 | 9.43 | 9.30 | 9.37 | 19.84 | 26.56 |
| 1929 | 36 | 8551 | 72.02 | 70.12 | 71.07 | 6.24 | 9.65 | 9.20 | 9.42 | 19.86 | 26.75 |
| 1930 | 37 | 9029 | 74.02 | 71.43 | 72.74 | 5.67 | 9.56 | 9.12 | 9.34 | 19.97 | 26.21 |
| 1931 | 38 | 9289 | 74.32 | 71.43 | 72.88 | 5.35 | 9.95 | 8.99 | 9.47 | 19.95 | 26.19 |
| 1932 | 39 | 9162 | 77.40 | 70.79 | 74.09 | 5.53 | 9.93 | 9.06 | 9.50 | 19.67 | 25.50 |
| 1933 | 40 | 9366 | 78.06 | 71.31 | 74.66 | 4.93 | 9.84 | 9.07 | 9.46 | 19.24 | 24.60 |
| 1934 | 41 | 10077 | 78.01 | 72.19 | 75.07 | 4.80 | 9.86 | 9.40 | 9.62 | 19.29 | 24.49 |
| 1935 | 42 | 10538 | 76.14 | 69.66 | 72.83 | 4.84 | 10.05 | 9.76 | 9.90 | 19.55 | 25.65 |
| 1936 | 43 | 10986 | 76.32 | 68.55 | 72.39 | 4.01 | 9.96 | 9.72 | 9.84 | 19.33 | 25.33 |
| 1937 | 44 | 10893 | 78.64 | 67.31 | 72.95 | 5.30 | 9.96 | 9.69 | 9.83 | 20.01 | 25.63 |
| 1938 | 45 | 12040 | 79.39 | 66.52 | 72.93 | 5.33 | 10.12 | 9.68 | 9.91 | 20.33 | 26.11 |
| 1939 | 46 | 11863 | 80.31 | 67.70 | 74.00 | 5.63 | 9.97 | 9.75 | 9.87 | 20.36 | 25.93 |
| 1940 | 47 | 11237 | 79.21 | 66.36 | 72.78 | 5.95 | 10.06 | 9.83 | 9.96 | 20.26 | 26.19 |
| 1941 | 48 | 10927 | 78.54 | 66.10 | 72.32 | 6.17 | 9.98 | 10.27 | 10.11 | 20.20 | 25.94 |
| 1942 | 49 | 10793 | 78.08 | 65.00 | 71.59 | 6.83 | 10.03 | 10.36 | 10.18 | 20.19 | 26.08 |
| 1943 | 50 | 10609 | 78.64 | 64.72 | 71.72 | 7.66 | 10.15 | 10.42 | 10.27 | 20.40 | 26.32 |
| 1944 | 51 | 9587 | 79.95 | 64.33 | 72.22 | 8.24 | 10.05 | 10.16 | 10.10 | 20.60 | 26.49 |
| 1945 | 52 | 8755 | 80.98 | 67.70 | 74.38 | 7.70 | 10.03 | 10.25 | 10.13 | 20.66 | 25.65 |
| 1946 | 53 | 7027 | 82.69 | 66.54 | 74.62 | 8.94 | 10.25 | 10.49 | 10.36 | 21.01 | 26.01 |