| 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 |
| 1929 | 28 | 12070 | 70.94 | 65.39 | 68.15 | 14.57 | 11.66 | 10.77 | 11.18 | 23.21 | 30.36 |
| 1930 | 29 | 10841 | 71.04 | 65.21 | 68.15 | 13.56 | 11.49 | 10.51 | 10.98 | 23.03 | 29.65 |
| 1931 | 30 | 9706 | 71.80 | 65.98 | 68.90 | 11.89 | 10.84 | 10.17 | 10.49 | 22.81 | 29.00 |
| 1932 | 31 | 9394 | 74.47 | 66.49 | 70.45 | 10.76 | 10.44 | 10.13 | 10.28 | 22.72 | 28.93 |
| 1933 | 32 | 7598 | 74.04 | 64.71 | 69.42 | 8.94 | 10.02 | 9.96 | 9.99 | 22.38 | 28.35 |
| 1934 | 33 | 7456 | 72.58 | 66.78 | 69.77 | 8.18 | 9.68 | 9.42 | 9.55 | 22.16 | 28.38 |
| 1935 | 34 | 7641 | 71.20 | 61.49 | 66.50 | 10.26 | 9.56 | 9.63 | 9.59 | 21.65 | 28.01 |
| 1936 | 35 | 7454 | 71.34 | 60.49 | 66.17 | 9.85 | 9.30 | 9.55 | 9.42 | 21.27 | 27.74 |
| 1937 | 36 | 7927 | 68.71 | 56.21 | 62.66 | 12.44 | 9.43 | 9.10 | 9.28 | 19.97 | 25.89 |
| 1938 | 37 | 7507 | 69.41 | 55.07 | 62.33 | 11.57 | 8.77 | 9.28 | 9.00 | 19.07 | 25.11 |
| 1939 | 38 | 7932 | 69.38 | 57.37 | 63.45 | 9.63 | 8.79 | 8.86 | 8.82 | 19.19 | 25.20 |
| 1940 | 39 | 8364 | 70.29 | 56.06 | 63.28 | 10.03 | 9.12 | 8.96 | 9.05 | 19.42 | 25.88 |
| 1941 | 40 | 8225 | 71.13 | 58.08 | 64.74 | 9.81 | 9.03 | 8.79 | 8.92 | 19.68 | 26.10 |
| 1942 | 41 | 7616 | 71.47 | 58.78 | 65.30 | 10.09 | 9.15 | 8.69 | 8.95 | 20.12 | 26.32 |
| 1943 | 42 | 7556 | 71.24 | 58.50 | 65.00 | 9.98 | 9.14 | 8.66 | 8.93 | 20.04 | 26.24 |
| 1944 | 43 | 6627 | 71.43 | 56.11 | 63.83 | 10.77 | 9.44 | 8.74 | 9.14 | 20.23 | 26.51 |
| 1945 | 44 | 6013 | 70.90 | 59.32 | 65.21 | 9.56 | 9.49 | 8.46 | 9.04 | 19.96 | 26.56 |
| 1946 | 45 | 6723 | 73.88 | 62.98 | 68.49 | 9.83 | 9.38 | 8.83 | 9.14 | 21.09 | 27.34 |
| 1947 | 46 | 6301 | 75.20 | 65.98 | 70.68 | 8.34 | 9.48 | 9.10 | 9.32 | 22.00 | 28.14 |
| 1948 | 47 | 6431 | 71.43 | 62.70 | 67.18 | 10.56 | 9.73 | 9.47 | 9.61 | 23.13 | 29.67 |
| 1949 | 48 | 6254 | 71.21 | 60.57 | 66.08 | 10.90 | 9.23 | 9.47 | 9.34 | 22.55 | 29.37 |
| 1950 | 49 | 6933 | 71.33 | 62.14 | 66.78 | 10.45 | 8.77 | 9.27 | 8.99 | 21.92 | 28.85 |
| 1951 | 50 | 6623 | 70.22 | 62.59 | 66.42 | 10.48 | 8.92 | 9.34 | 9.10 | 21.47 | 28.30 |
| 1952 | 51 | 6795 | 70.57 | 62.04 | 66.37 | 10.81 | 8.95 | 9.40 | 9.15 | 21.14 | 27.89 |
| 1953 | 52 | 7748 | 68.13 | 59.87 | 64.04 | 10.25 | 9.04 | 9.41 | 9.20 | 20.71 | 28.14 |