| 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 |
| 1924 | 23 | 7531 | 69.16 | 62.98 | 66.03 | 17.43 | 12.10 | 11.19 | 11.61 | 22.47 | 29.89 |
| 1925 | 24 | 6657 | 70.96 | 63.87 | 67.40 | 15.49 | 11.84 | 10.90 | 11.33 | 22.86 | 29.48 |
| 1926 | 25 | 5747 | 72.32 | 68.91 | 70.56 | 12.91 | 11.05 | 10.39 | 10.69 | 22.71 | 28.46 |
| 1927 | 26 | 5394 | 78.77 | 73.01 | 75.80 | 10.89 | 10.69 | 10.52 | 10.60 | 24.78 | 30.69 |
| 1928 | 27 | 4995 | 75.00 | 70.00 | 72.50 | 7.76 | 10.22 | 10.10 | 10.15 | 23.93 | 29.85 |
| 1929 | 28 | 4539 | 73.91 | 69.66 | 71.82 | 9.11 | 10.86 | 9.88 | 10.36 | 24.44 | 31.14 |
| 1930 | 29 | 4184 | 71.18 | 67.50 | 69.39 | 10.00 | 10.92 | 9.74 | 10.34 | 23.29 | 29.94 |
| 1931 | 30 | 3959 | 71.08 | 61.33 | 66.46 | 10.05 | 10.52 | 9.74 | 10.15 | 22.94 | 29.89 |
| 1932 | 31 | 4000 | 68.90 | 57.05 | 63.13 | 10.51 | 10.05 | 9.35 | 9.72 | 20.14 | 25.63 |
| 1933 | 32 | 2603 | 72.32 | 54.72 | 63.76 | 11.91 | 9.63 | 9.61 | 9.62 | 19.57 | 24.77 |
| 1934 | 33 | 2917 | 70.64 | 62.28 | 66.67 | 6.59 | 7.96 | 8.62 | 8.27 | 18.78 | 23.94 |
| 1935 | 34 | 3457 | 71.23 | 54.41 | 63.12 | 10.61 | 7.99 | 9.46 | 8.61 | 19.72 | 25.39 |
| 1936 | 35 | 3495 | 71.62 | 59.56 | 65.85 | 9.62 | 7.96 | 9.32 | 8.59 | 19.39 | 25.25 |
| 1937 | 36 | 3927 | 68.52 | 55.33 | 62.18 | 14.13 | 8.88 | 8.89 | 8.89 | 19.80 | 26.14 |
| 1938 | 37 | 4904 | 67.71 | 55.26 | 61.52 | 11.42 | 8.40 | 9.12 | 8.73 | 18.81 | 25.28 |
| 1939 | 38 | 5015 | 68.56 | 54.55 | 61.48 | 11.38 | 9.24 | 9.01 | 9.14 | 19.43 | 26.04 |
| 1940 | 39 | 4907 | 69.59 | 57.22 | 63.40 | 9.67 | 9.85 | 8.66 | 9.32 | 19.22 | 26.20 |
| 1941 | 40 | 4730 | 70.75 | 56.99 | 63.90 | 9.93 | 9.64 | 8.40 | 9.14 | 19.89 | 26.65 |
| 1942 | 41 | 3689 | 74.67 | 62.33 | 68.58 | 5.95 | 9.38 | 8.43 | 9.01 | 20.46 | 26.49 |
| 1943 | 42 | 2652 | 77.19 | 64.42 | 71.10 | 7.49 | 10.28 | 7.75 | 9.29 | 22.33 | 27.60 |
| 1944 | 43 | 1612 | 79.17 | 60.94 | 70.59 | 9.28 | 9.89 | 8.05 | 9.15 | 22.73 | 27.47 |
| 1945 | 44 | 1106 | 76.00 | 69.05 | 72.83 | 9.12 | 8.18 | 7.41 | 7.89 | 23.45 | 27.79 |
| 1946 | 45 | 1993 | 81.25 | 77.63 | 79.49 | 9.64 | 8.74 | 9.53 | 9.14 | 24.04 | 28.55 |
| 1947 | 46 | 2612 | 75.96 | 71.43 | 73.76 | 11.20 | 9.63 | 9.76 | 9.69 | 24.25 | 30.19 |
| 1948 | 47 | 3779 | 67.11 | 61.49 | 64.33 | 12.58 | 9.29 | 10.39 | 9.83 | 23.70 | 31.34 |
| 1949 | 48 | 4642 | 68.23 | 60.44 | 64.44 | 11.52 | 8.94 | 9.93 | 9.41 | 22.49 | 30.20 |
| 1950 | 49 | 5827 | 70.34 | 60.92 | 65.61 | 10.72 | 8.90 | 9.57 | 9.21 | 21.65 | 29.09 |
| 1951 | 50 | 4630 | 65.63 | 56.70 | 61.14 | 10.95 | 8.99 | 9.21 | 9.09 | 20.42 | 28.14 |
| 1952 | 51 | 4183 | 67.42 | 56.82 | 62.15 | 10.50 | 8.51 | 9.08 | 8.74 | 19.28 | 25.97 |
| 1953 | 52 | 3969 | 69.05 | 58.43 | 63.77 | 7.65 | 8.81 | 8.12 | 8.53 | 17.95 | 24.80 |