| 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 |
| 1962 | 25 | 10774 | 73.41 | 61.67 | 67.45 | 8.58 | 9.83 | 9.92 | 9.87 | 21.44 | 28.74 |
| 1963 | 26 | 10907 | 73.09 | 61.74 | 67.33 | 7.93 | 10.08 | 9.84 | 9.97 | 21.21 | 28.55 |
| 1964 | 27 | 12571 | 73.62 | 61.55 | 67.47 | 7.65 | 9.65 | 9.25 | 9.46 | 20.73 | 28.15 |
| 1965 | 28 | 12782 | 73.14 | 62.13 | 67.50 | 7.21 | 9.92 | 9.20 | 9.59 | 20.85 | 28.40 |
| 1966 | 29 | 13322 | 72.66 | 61.57 | 66.97 | 6.48 | 9.75 | 8.96 | 9.39 | 19.79 | 27.97 |
| 1967 | 30 | 13423 | 72.95 | 60.95 | 66.93 | 6.78 | 9.77 | 8.86 | 9.37 | 19.67 | 27.65 |
| 1968 | 31 | 14173 | 73.48 | 61.62 | 67.54 | 6.76 | 9.72 | 8.74 | 9.30 | 19.80 | 27.48 |
| 1969 | 32 | 14157 | 72.64 | 60.87 | 66.72 | 5.70 | 9.66 | 8.65 | 9.25 | 19.26 | 27.33 |
| 1970 | 33 | 13903 | 71.70 | 61.43 | 66.58 | 4.99 | 9.36 | 8.34 | 8.94 | 18.61 | 26.29 |
| 1971 | 34 | 13725 | 72.43 | 60.58 | 66.50 | 5.71 | 9.50 | 8.24 | 8.99 | 18.90 | 26.66 |
| 1972 | 35 | 12972 | 70.04 | 58.82 | 64.48 | 6.46 | 9.61 | 8.17 | 9.04 | 18.30 | 26.53 |
| 1973 | 36 | 14239 | 69.71 | 58.78 | 64.29 | 7.08 | 9.43 | 8.14 | 8.92 | 18.32 | 27.04 |
| 1974 | 37 | 12994 | 67.94 | 58.39 | 63.23 | 7.24 | 9.71 | 8.64 | 9.28 | 18.43 | 27.82 |
| 1975 | 38 | 12346 | 68.64 | 56.96 | 62.94 | 7.53 | 9.52 | 8.51 | 9.12 | 18.45 | 27.82 |
| 1976 | 39 | 10879 | 68.40 | 58.19 | 63.49 | 8.05 | 9.70 | 8.90 | 9.38 | 19.25 | 28.30 |
| 1977 | 40 | 11170 | 66.74 | 56.62 | 61.80 | 8.72 | 9.80 | 9.15 | 9.54 | 18.76 | 28.17 |
| 1978 | 41 | 10715 | 65.98 | 55.26 | 60.77 | 8.81 | 9.78 | 9.13 | 9.51 | 18.49 | 28.52 |
| 1979 | 42 | 10506 | 65.37 | 54.37 | 60.04 | 9.63 | 9.73 | 9.62 | 9.68 | 18.98 | 29.57 |
| 1980 | 43 | 10626 | 65.10 | 52.97 | 59.15 | 9.40 | 9.93 | 9.62 | 9.80 | 18.41 | 28.89 |
| 1981 | 44 | 10587 | 64.17 | 53.15 | 58.76 | 8.19 | 9.61 | 9.77 | 9.68 | 17.91 | 28.63 |
| 1982 | 45 | 11339 | 64.39 | 54.23 | 59.35 | 7.10 | 9.97 | 10.25 | 10.10 | 18.09 | 28.85 |
| 1983 | 46 | 10940 | 63.62 | 52.93 | 58.29 | 6.82 | 10.08 | 10.56 | 10.30 | 18.13 | 28.44 |
| 1984 | 47 | 10777 | 62.74 | 53.70 | 58.24 | 6.77 | 10.25 | 10.25 | 10.25 | 17.80 | 27.39 |
| 1985 | 48 | 11248 | 62.27 | 54.00 | 58.12 | 6.34 | 10.03 | 9.81 | 9.93 | 17.53 | 27.09 |
| 1986 | 49 | 12468 | 62.30 | 55.08 | 58.65 | 6.00 | 10.02 | 9.57 | 9.80 | 17.66 | 27.65 |
| 1987 | 50 | 11357 | 62.59 | 55.87 | 59.18 | 5.40 | 9.81 | 9.53 | 9.67 | 17.68 | 27.58 |
| 1988 | 51 | 11666 | 61.72 | 55.93 | 58.78 | 5.72 | 9.68 | 9.75 | 9.71 | 17.44 | 27.59 |
| 1989 | 52 | 11655 | 60.89 | 55.43 | 58.12 | 5.03 | 9.73 | 9.52 | 9.62 | 16.78 | 26.61 |
| 1990 | 53 | 11524 | 60.70 | 55.41 | 58.03 | 5.43 | 9.85 | 9.73 | 9.79 | 16.85 | 27.15 |
| 1991 | 54 | 11452 | 60.77 | 55.56 | 58.13 | 5.95 | 9.65 | 9.76 | 9.70 | 16.83 | 27.19 |
| 1992 | 55 | 10773 | 60.61 | 54.15 | 57.32 | 6.78 | 9.43 | 9.48 | 9.45 | 16.73 | 27.01 |