| 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 |
| 1948 | 27 | 7407 | 67.75 | 59.42 | 63.59 | 8.42 | 9.30 | 9.75 | 9.50 | 19.26 | 25.44 |
| 1949 | 28 | 7887 | 69.60 | 61.64 | 65.65 | 7.11 | 9.37 | 9.71 | 9.53 | 19.29 | 24.93 |
| 1950 | 29 | 8633 | 71.17 | 59.26 | 65.23 | 7.22 | 9.08 | 10.05 | 9.51 | 19.17 | 24.93 |
| 1951 | 30 | 8992 | 73.70 | 60.37 | 67.21 | 6.60 | 9.19 | 10.32 | 9.69 | 19.22 | 24.59 |
| 1952 | 31 | 9509 | 74.19 | 57.51 | 66.16 | 7.07 | 9.08 | 10.11 | 9.53 | 18.81 | 24.74 |
| 1953 | 32 | 10115 | 73.52 | 58.68 | 66.33 | 7.37 | 9.04 | 9.87 | 9.40 | 18.56 | 24.56 |
| 1954 | 33 | 11001 | 73.64 | 57.66 | 65.85 | 7.21 | 8.80 | 9.95 | 9.29 | 18.42 | 24.48 |
| 1955 | 34 | 11357 | 72.94 | 58.92 | 66.22 | 6.93 | 8.66 | 9.95 | 9.19 | 18.33 | 24.34 |
| 1956 | 35 | 11312 | 73.59 | 58.76 | 66.41 | 6.80 | 8.70 | 9.86 | 9.16 | 17.75 | 23.50 |
| 1957 | 36 | 10480 | 73.61 | 57.92 | 66.03 | 6.57 | 8.88 | 10.00 | 9.32 | 17.73 | 24.03 |
| 1958 | 37 | 10850 | 73.77 | 57.38 | 65.82 | 6.62 | 8.94 | 10.08 | 9.40 | 17.58 | 24.00 |
| 1959 | 38 | 11312 | 71.86 | 56.79 | 64.49 | 6.77 | 8.79 | 10.09 | 9.32 | 17.46 | 23.80 |
| 1960 | 39 | 11237 | 71.27 | 58.86 | 65.18 | 6.75 | 8.96 | 9.64 | 9.24 | 17.14 | 23.34 |
| 1961 | 40 | 12094 | 69.71 | 58.81 | 64.23 | 7.18 | 8.88 | 9.38 | 9.09 | 17.55 | 23.64 |
| 1962 | 41 | 12000 | 69.01 | 60.12 | 64.52 | 6.31 | 8.76 | 9.52 | 9.09 | 17.43 | 23.37 |
| 1963 | 42 | 12001 | 69.79 | 61.07 | 65.39 | 5.74 | 8.75 | 9.83 | 9.23 | 17.84 | 24.12 |
| 1964 | 43 | 12290 | 70.82 | 62.75 | 66.77 | 5.50 | 8.73 | 9.69 | 9.16 | 18.09 | 24.28 |
| 1965 | 44 | 12175 | 71.58 | 62.91 | 67.22 | 5.17 | 8.75 | 9.49 | 9.09 | 17.71 | 23.54 |
| 1966 | 45 | 12393 | 71.69 | 61.99 | 66.87 | 4.78 | 8.65 | 9.59 | 9.09 | 17.79 | 24.09 |
| 1967 | 46 | 13481 | 71.74 | 63.57 | 67.71 | 4.72 | 8.69 | 9.52 | 9.07 | 17.92 | 23.64 |
| 1968 | 47 | 13830 | 72.62 | 65.59 | 69.13 | 4.71 | 8.57 | 9.39 | 8.96 | 18.74 | 24.34 |
| 1969 | 48 | 13609 | 73.84 | 65.29 | 69.59 | 3.96 | 8.53 | 9.25 | 8.86 | 18.83 | 24.70 |
| 1970 | 49 | 14145 | 73.15 | 63.99 | 68.61 | 3.36 | 8.64 | 9.35 | 8.96 | 18.81 | 25.48 |
| 1971 | 50 | 13516 | 72.88 | 64.16 | 68.59 | 2.90 | 8.72 | 9.27 | 8.97 | 18.31 | 25.66 |
| 1972 | 51 | 13938 | 73.33 | 62.17 | 67.75 | 3.16 | 8.69 | 9.25 | 8.94 | 18.06 | 25.41 |
| 1973 | 52 | 14194 | 72.13 | 61.13 | 66.67 | 3.27 | 8.57 | 9.14 | 8.81 | 17.67 | 24.81 |
| 1974 | 53 | 13650 | 71.91 | 59.83 | 65.91 | 3.39 | 8.75 | 9.50 | 9.07 | 17.79 | 25.20 |
| 1975 | 54 | 13319 | 70.14 | 59.90 | 65.02 | 3.46 | 8.79 | 9.57 | 9.13 | 17.98 | 26.00 |
| 1976 | 55 | 13092 | 68.97 | 59.66 | 64.27 | 3.47 | 8.87 | 9.29 | 9.06 | 17.81 | 25.78 |
| 1977 | 56 | 12363 | 67.59 | 57.50 | 62.46 | 3.88 | 8.81 | 9.47 | 9.10 | 17.63 | 26.50 |
| 1978 | 57 | 12042 | 66.54 | 55.88 | 61.15 | 3.47 | 8.95 | 9.22 | 9.07 | 16.54 | 25.37 |
| 1979 | 58 | 11648 | 65.44 | 55.11 | 60.23 | 3.32 | 9.03 | 9.68 | 9.32 | 16.23 | 25.17 |
| 1980 | 59 | 10517 | 66.17 | 55.63 | 60.84 | 3.87 | 9.21 | 9.53 | 9.35 | 16.40 | 24.48 |
| 1981 | 60 | 10252 | 65.86 | 54.72 | 60.22 | 4.14 | 9.04 | 9.46 | 9.23 | 16.26 | 23.98 |
| 1982 | 61 | 9191 | 64.56 | 55.58 | 60.07 | 3.58 | 9.08 | 9.51 | 9.28 | 16.38 | 24.08 |
| 1983 | 62 | 8653 | 64.77 | 54.59 | 59.64 | 3.53 | 9.42 | 9.51 | 9.46 | 16.20 | 24.35 |
| 1984 | 63 | 8668 | 61.86 | 52.79 | 57.29 | 5.14 | 9.41 | 9.04 | 9.22 | 15.38 | 23.83 |
| 1985 | 64 | 8787 | 61.11 | 51.25 | 56.16 | 5.21 | 9.13 | 9.13 | 9.13 | 15.09 | 23.05 |
| 1986 | 65 | 8418 | 60.79 | 50.26 | 55.51 | 6.95 | 9.09 | 9.66 | 9.36 | 14.93 | 23.11 |
| 1987 | 66 | 8077 | 60.87 | 50.54 | 55.71 | 6.54 | 9.14 | 9.13 | 9.14 | 15.00 | 22.34 |
| 1988 | 67 | 8137 | 60.58 | 49.19 | 54.95 | 6.64 | 8.95 | 9.50 | 9.20 | 15.45 | 22.81 |
| 1989 | 68 | 8598 | 61.87 | 48.95 | 55.53 | 7.23 | 8.70 | 9.41 | 9.01 | 15.46 | 22.08 |
| 1990 | 69 | 9045 | 59.95 | 47.77 | 54.00 | 7.44 | 8.51 | 9.70 | 9.06 | 15.30 | 22.59 |
| 1991 | 70 | 8744 | 61.28 | 47.44 | 54.51 | 7.13 | 8.64 | 9.69 | 9.12 | 15.66 | 23.27 |