| 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 |
| 1939 | 27 | 5096 | 75.74 | 64.74 | 70.41 | 3.20 | 8.90 | 10.36 | 9.61 | 20.29 | 27.42 |
| 1940 | 28 | 4937 | 75.52 | 62.77 | 69.21 | 3.47 | 9.07 | 10.40 | 9.72 | 20.05 | 28.20 |
| 1941 | 29 | 4960 | 72.45 | 63.68 | 68.14 | 3.94 | 9.07 | 10.52 | 9.75 | 19.86 | 28.71 |
| 1942 | 30 | 4668 | 70.65 | 62.78 | 66.76 | 4.29 | 9.31 | 10.58 | 9.92 | 19.93 | 29.45 |
| 1943 | 31 | 4629 | 72.73 | 62.64 | 67.71 | 3.18 | 9.28 | 10.80 | 9.94 | 20.60 | 29.11 |
| 1944 | 32 | 4692 | 73.30 | 65.34 | 69.32 | 4.09 | 9.40 | 11.13 | 10.21 | 20.86 | 28.79 |
| 1945 | 33 | 4658 | 74.42 | 69.19 | 71.80 | 2.85 | 9.38 | 10.95 | 10.11 | 22.47 | 30.96 |
| 1946 | 34 | 4473 | 73.78 | 71.34 | 72.56 | 3.72 | 9.85 | 10.90 | 10.40 | 22.87 | 30.18 |
| 1947 | 35 | 4473 | 75.30 | 73.49 | 74.40 | 3.46 | 9.28 | 10.88 | 10.09 | 22.73 | 29.71 |
| 1948 | 36 | 4249 | 75.64 | 74.03 | 74.84 | 4.29 | 9.25 | 11.08 | 10.16 | 22.65 | 29.52 |
| 1949 | 37 | 3745 | 76.81 | 73.19 | 75.00 | 4.69 | 9.33 | 11.14 | 10.21 | 22.74 | 28.79 |
| 1950 | 38 | 3462 | 76.56 | 74.22 | 75.39 | 4.90 | 9.28 | 11.04 | 10.16 | 23.29 | 28.96 |
| 1951 | 39 | 4145 | 72.00 | 68.92 | 70.47 | 7.04 | 9.54 | 11.07 | 10.25 | 21.65 | 27.53 |
| 1952 | 40 | 5274 | 70.83 | 68.42 | 69.63 | 6.60 | 9.41 | 11.14 | 10.22 | 21.34 | 27.10 |
| 1953 | 41 | 4878 | 69.10 | 69.32 | 69.21 | 7.08 | 9.47 | 11.23 | 10.33 | 20.92 | 26.87 |
| 1954 | 42 | 5349 | 67.50 | 65.63 | 66.58 | 7.70 | 9.45 | 10.48 | 9.92 | 20.39 | 27.09 |
| 1955 | 43 | 5349 | 64.71 | 61.34 | 63.07 | 8.41 | 9.44 | 10.01 | 9.70 | 18.47 | 23.59 |
| 1956 | 44 | 5347 | 66.51 | 59.69 | 63.24 | 8.13 | 8.91 | 9.91 | 9.33 | 18.50 | 24.18 |
| 1957 | 45 | 5516 | 64.09 | 56.44 | 60.43 | 7.44 | 9.20 | 9.97 | 9.52 | 18.53 | 24.88 |
| 1958 | 46 | 6068 | 64.88 | 55.00 | 60.17 | 8.23 | 9.28 | 9.62 | 9.43 | 18.69 | 24.97 |
| 1959 | 47 | 6207 | 64.52 | 55.31 | 60.13 | 8.19 | 9.28 | 9.58 | 9.41 | 18.53 | 24.89 |
| 1960 | 48 | 7118 | 64.09 | 54.20 | 59.34 | 8.56 | 9.17 | 9.74 | 9.43 | 18.49 | 25.11 |
| 1961 | 49 | 7015 | 68.66 | 53.88 | 61.62 | 7.31 | 9.38 | 10.27 | 9.77 | 19.95 | 26.74 |
| 1962 | 50 | 6458 | 69.70 | 53.81 | 62.20 | 8.33 | 9.71 | 9.93 | 9.81 | 20.10 | 27.04 |
| 1963 | 51 | 7353 | 68.92 | 54.04 | 61.80 | 7.92 | 9.86 | 9.58 | 9.73 | 19.83 | 27.31 |
| 1964 | 52 | 6917 | 69.57 | 56.25 | 63.16 | 6.85 | 9.88 | 9.81 | 9.85 | 20.08 | 27.47 |
| 1965 | 53 | 6905 | 70.22 | 57.81 | 64.21 | 8.01 | 9.94 | 10.16 | 10.04 | 20.69 | 28.18 |
| 1966 | 54 | 7077 | 69.34 | 58.46 | 64.05 | 8.82 | 9.99 | 9.68 | 9.84 | 20.65 | 28.03 |
| 1967 | 55 | 7319 | 71.48 | 61.57 | 66.67 | 9.16 | 9.79 | 9.61 | 9.70 | 20.46 | 27.10 |
| 1968 | 56 | 6512 | 71.09 | 63.22 | 67.27 | 8.66 | 9.79 | 9.44 | 9.62 | 20.49 | 27.29 |
| 1969 | 57 | 7162 | 71.28 | 62.59 | 67.03 | 7.83 | 9.59 | 9.76 | 9.67 | 20.08 | 26.20 |
| 1970 | 58 | 6674 | 71.37 | 64.00 | 67.77 | 7.71 | 9.67 | 9.66 | 9.67 | 19.93 | 26.10 |