| 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 |
| 1960 | 23 | 7019 | 75.52 | 64.96 | 70.39 | 9.06 | 10.32 | 9.91 | 10.13 | 23.48 | 30.75 |
| 1961 | 24 | 7854 | 74.21 | 62.89 | 68.55 | 8.67 | 10.24 | 10.09 | 10.17 | 22.88 | 29.62 |
| 1962 | 25 | 8576 | 72.06 | 60.92 | 66.42 | 9.32 | 10.17 | 10.46 | 10.31 | 21.79 | 28.78 |
| 1963 | 26 | 8484 | 73.35 | 59.30 | 66.22 | 9.01 | 10.27 | 10.22 | 10.25 | 22.11 | 29.49 |
| 1964 | 27 | 8352 | 77.02 | 59.88 | 68.29 | 7.79 | 10.09 | 9.90 | 10.01 | 20.45 | 27.13 |
| 1965 | 28 | 7756 | 75.50 | 59.36 | 67.27 | 8.18 | 10.41 | 10.03 | 10.25 | 20.54 | 27.31 |
| 1966 | 29 | 7315 | 76.87 | 63.29 | 70.17 | 8.65 | 10.44 | 9.72 | 10.15 | 21.64 | 28.89 |
| 1967 | 30 | 6728 | 79.79 | 64.50 | 72.43 | 8.05 | 9.96 | 9.22 | 9.68 | 22.42 | 29.16 |
| 1968 | 31 | 6189 | 73.72 | 63.31 | 68.77 | 8.78 | 9.78 | 9.74 | 9.76 | 21.49 | 28.44 |
| 1969 | 32 | 5699 | 66.67 | 57.98 | 62.55 | 10.90 | 10.43 | 9.33 | 9.97 | 21.74 | 30.56 |
| 1970 | 33 | 5911 | 69.20 | 57.72 | 63.79 | 11.16 | 9.97 | 9.28 | 9.68 | 21.81 | 29.71 |
| 1971 | 34 | 6103 | 68.12 | 56.59 | 62.55 | 10.03 | 9.82 | 9.48 | 9.67 | 20.37 | 28.47 |
| 1972 | 35 | 6459 | 69.86 | 59.29 | 64.69 | 10.14 | 9.54 | 9.77 | 9.64 | 20.62 | 28.00 |
| 1973 | 36 | 7852 | 72.06 | 58.77 | 65.40 | 8.82 | 9.79 | 9.70 | 9.75 | 21.15 | 29.62 |
| 1974 | 37 | 8040 | 75.56 | 63.58 | 69.66 | 7.37 | 9.00 | 9.31 | 9.13 | 21.44 | 29.16 |
| 1975 | 38 | 8666 | 72.25 | 63.49 | 67.90 | 7.70 | 8.99 | 9.64 | 9.27 | 21.22 | 29.06 |
| 1976 | 39 | 8526 | 69.53 | 62.30 | 65.96 | 7.19 | 8.80 | 9.53 | 9.11 | 20.60 | 29.12 |
| 1977 | 40 | 9032 | 67.89 | 61.03 | 64.54 | 6.87 | 9.05 | 9.50 | 9.23 | 20.81 | 29.39 |
| 1978 | 41 | 7114 | 66.47 | 61.84 | 64.26 | 6.77 | 8.66 | 9.25 | 8.90 | 20.21 | 28.21 |
| 1979 | 42 | 7360 | 64.97 | 58.81 | 61.96 | 8.95 | 8.91 | 9.78 | 9.29 | 19.21 | 27.89 |
| 1980 | 43 | 7113 | 64.16 | 55.88 | 60.19 | 9.33 | 9.20 | 9.29 | 9.24 | 18.62 | 28.75 |
| 1981 | 44 | 6974 | 67.59 | 57.95 | 62.94 | 9.11 | 9.58 | 9.37 | 9.49 | 19.62 | 28.32 |
| 1982 | 45 | 6709 | 68.32 | 57.79 | 63.18 | 9.15 | 9.80 | 9.04 | 9.48 | 18.96 | 28.31 |
| 1983 | 46 | 7297 | 67.73 | 56.29 | 62.09 | 9.14 | 9.67 | 9.11 | 9.43 | 18.83 | 28.70 |
| 1984 | 47 | 6751 | 65.36 | 55.25 | 60.37 | 7.08 | 9.54 | 9.05 | 9.34 | 18.38 | 27.85 |
| 1985 | 48 | 6978 | 66.96 | 57.47 | 62.17 | 6.80 | 9.14 | 9.14 | 9.14 | 18.41 | 26.57 |
| 1986 | 49 | 6025 | 65.46 | 56.09 | 60.71 | 7.92 | 8.48 | 8.80 | 8.61 | 17.75 | 26.20 |
| 1987 | 50 | 5506 | 65.25 | 53.50 | 59.33 | 7.34 | 8.19 | 8.81 | 8.44 | 17.96 | 26.46 |
| 1988 | 51 | 5344 | 63.89 | 53.43 | 58.62 | 7.55 | 8.25 | 9.03 | 8.57 | 18.75 | 27.63 |
| 1989 | 52 | 4797 | 63.08 | 52.26 | 57.61 | 8.73 | 8.35 | 9.15 | 8.73 | 19.22 | 29.28 |
| 1990 | 53 | 4262 | 63.03 | 50.86 | 57.02 | 8.72 | 8.73 | 9.39 | 9.03 | 19.12 | 31.47 |
| 1991 | 54 | 4770 | 61.19 | 51.19 | 56.35 | 8.81 | 8.89 | 10.23 | 9.52 | 19.25 | 31.69 |
| 1992 | 55 | 3879 | 58.26 | 49.51 | 54.03 | 9.86 | 9.06 | 11.33 | 10.20 | 18.43 | 32.34 |