| 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 |
| 1957 | 20 | 4964 | 70.20 | 59.09 | 64.35 | 8.86 | 9.31 | 10.33 | 9.81 | 20.39 | 28.18 |
| 1958 | 21 | 5204 | 71.36 | 57.52 | 64.12 | 7.60 | 9.45 | 10.47 | 9.95 | 20.35 | 27.81 |
| 1959 | 22 | 5979 | 71.31 | 58.27 | 64.66 | 9.60 | 9.77 | 9.77 | 9.77 | 20.38 | 27.68 |
| 1960 | 23 | 5840 | 73.53 | 58.07 | 65.64 | 10.01 | 10.43 | 9.80 | 10.14 | 22.24 | 30.51 |
| 1961 | 24 | 5591 | 73.25 | 62.61 | 67.90 | 8.36 | 10.61 | 9.62 | 10.13 | 22.09 | 29.98 |
| 1962 | 25 | 5810 | 76.03 | 64.10 | 70.17 | 8.37 | 10.21 | 9.59 | 9.92 | 22.34 | 29.15 |
| 1963 | 26 | 5703 | 74.58 | 65.81 | 70.25 | 8.21 | 10.59 | 9.28 | 9.98 | 22.01 | 29.11 |
| 1964 | 27 | 6592 | 75.76 | 64.60 | 70.07 | 5.92 | 9.54 | 8.73 | 9.18 | 21.06 | 28.54 |
| 1965 | 28 | 6942 | 72.79 | 65.63 | 69.11 | 4.85 | 9.50 | 8.67 | 9.13 | 19.66 | 26.69 |
| 1966 | 29 | 7731 | 72.22 | 60.84 | 66.30 | 4.87 | 9.11 | 8.30 | 8.77 | 18.14 | 26.28 |
| 1967 | 30 | 7613 | 70.63 | 58.74 | 64.57 | 5.17 | 9.37 | 8.05 | 8.83 | 17.69 | 26.20 |
| 1968 | 31 | 8470 | 72.73 | 58.89 | 65.73 | 5.58 | 9.12 | 8.23 | 8.77 | 18.35 | 26.19 |
| 1969 | 32 | 7565 | 70.12 | 57.72 | 63.96 | 5.47 | 9.78 | 8.56 | 9.31 | 17.73 | 26.08 |
| 1970 | 33 | 6961 | 70.76 | 57.38 | 64.29 | 5.15 | 9.22 | 7.87 | 8.73 | 17.59 | 25.83 |
| 1971 | 34 | 5994 | 72.66 | 60.24 | 66.73 | 6.77 | 9.96 | 8.18 | 9.27 | 19.87 | 27.12 |
| 1972 | 35 | 5359 | 69.23 | 58.96 | 64.35 | 8.23 | 9.92 | 8.35 | 9.32 | 19.16 | 27.01 |
| 1973 | 36 | 5769 | 65.65 | 58.61 | 62.25 | 9.54 | 9.94 | 7.99 | 9.16 | 18.27 | 28.55 |
| 1974 | 37 | 5429 | 65.04 | 59.32 | 62.24 | 9.78 | 9.60 | 8.75 | 9.22 | 19.40 | 30.59 |
| 1975 | 38 | 5385 | 65.83 | 56.41 | 61.18 | 10.48 | 9.95 | 9.18 | 9.61 | 19.56 | 30.58 |
| 1976 | 39 | 4885 | 63.06 | 55.71 | 59.49 | 9.74 | 9.34 | 9.78 | 9.53 | 18.49 | 30.20 |
| 1977 | 40 | 5811 | 64.45 | 54.69 | 59.57 | 9.19 | 9.69 | 9.82 | 9.74 | 18.39 | 29.38 |
| 1978 | 41 | 4946 | 66.36 | 51.42 | 59.03 | 8.08 | 9.61 | 10.21 | 9.86 | 18.74 | 28.50 |
| 1979 | 42 | 5077 | 65.70 | 49.10 | 57.76 | 9.48 | 9.84 | 10.53 | 10.11 | 18.53 | 28.50 |
| 1980 | 43 | 5241 | 64.40 | 49.58 | 57.17 | 8.26 | 9.90 | 10.10 | 9.98 | 17.25 | 27.01 |
| 1981 | 44 | 5702 | 65.07 | 51.13 | 58.18 | 6.87 | 9.82 | 9.76 | 9.80 | 17.41 | 27.31 |
| 1982 | 45 | 5528 | 64.34 | 53.79 | 59.14 | 4.88 | 10.29 | 10.68 | 10.46 | 17.78 | 28.30 |
| 1983 | 46 | 5994 | 61.57 | 54.00 | 57.74 | 5.60 | 10.60 | 10.84 | 10.72 | 17.62 | 28.38 |
| 1984 | 47 | 5700 | 60.15 | 57.19 | 58.63 | 3.95 | 10.80 | 10.03 | 10.39 | 17.14 | 26.31 |
| 1985 | 48 | 6007 | 60.47 | 57.37 | 58.88 | 4.61 | 10.19 | 9.61 | 9.88 | 17.78 | 27.16 |
| 1986 | 49 | 6766 | 60.12 | 57.97 | 59.01 | 5.21 | 10.23 | 9.42 | 9.81 | 17.88 | 27.94 |
| 1987 | 50 | 5829 | 61.04 | 57.53 | 59.22 | 5.96 | 9.22 | 8.46 | 8.82 | 17.59 | 26.86 |
| 1988 | 51 | 5672 | 61.86 | 57.72 | 59.75 | 5.83 | 8.70 | 8.58 | 8.64 | 17.23 | 26.82 |
| 1989 | 52 | 5955 | 61.52 | 53.89 | 57.68 | 6.06 | 8.79 | 8.98 | 8.88 | 16.43 | 26.91 |
| 1990 | 53 | 5517 | 60.93 | 53.36 | 57.17 | 6.41 | 9.46 | 9.90 | 9.68 | 15.85 | 27.14 |
| 1991 | 54 | 4686 | 61.69 | 52.02 | 56.86 | 7.12 | 8.79 | 10.38 | 9.54 | 15.31 | 25.92 |
| 1992 | 55 | 4944 | 60.08 | 49.59 | 54.86 | 7.72 | 9.67 | 10.72 | 10.19 | 15.71 | 27.23 |