| 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 |
| 1956 | 19 | 1059 | 78.26 | 52.63 | 66.67 | 13.08 | 11.10 | 9.67 | 10.67 | 22.11 | 32.09 |
| 1957 | 20 | 904 | 72.22 | 69.44 | 70.83 | 5.59 | 12.97 | 7.45 | 10.01 | 23.95 | 33.92 |
| 1958 | 21 | 1829 | 79.73 | 72.22 | 76.03 | 10.19 | 9.46 | 9.91 | 9.70 | 21.30 | 26.38 |
| 1959 | 22 | 2021 | 70.24 | 63.42 | 66.87 | 10.75 | 10.63 | 11.14 | 10.88 | 27.70 | 34.16 |
| 1960 | 23 | 1206 | 78.00 | 63.04 | 70.83 | 2.90 | 8.84 | 9.25 | 9.00 | 20.58 | 28.97 |
| 1961 | 24 | 1894 | 71.62 | 51.22 | 60.90 | 9.16 | 10.44 | 10.59 | 10.51 | 20.29 | 26.24 |
| 1962 | 25 | 1626 | 60.35 | 56.06 | 58.07 | 10.79 | 11.12 | 10.70 | 10.92 | 17.80 | 26.79 |
| 1963 | 26 | 1737 | 86.77 | 64.71 | 75.74 | 8.85 | 10.06 | 8.50 | 9.43 | 22.88 | 29.23 |
| 1964 | 27 | 1889 | 86.11 | 66.67 | 76.39 | 5.80 | 9.87 | 10.07 | 9.95 | 20.63 | 24.99 |
| 1965 | 28 | 610 | 61.54 | 59.09 | 60.42 | 3.19 | 11.94 | 10.90 | 11.56 | 21.86 | 36.84 |
| 1966 | 29 | 1453 | 77.14 | 67.24 | 72.66 | 11.41 | 10.56 | 9.38 | 10.15 | 25.75 | 33.01 |
| 1967 | 30 | 1039 | 73.91 | 59.52 | 67.05 | 7.51 | 7.68 | 7.80 | 7.72 | 20.60 | 28.28 |
| 1968 | 31 | 1198 | 60.00 | 59.26 | 59.65 | 13.78 | 8.99 | 10.49 | 9.65 | 18.32 | 24.61 |
| 1969 | 32 | 1399 | 58.07 | 46.77 | 52.42 | 13.05 | 13.49 | 8.85 | 10.83 | 21.36 | 31.94 |
| 1970 | 33 | 822 | 81.58 | 56.67 | 70.59 | 8.45 | 8.55 | 9.78 | 8.99 | 22.37 | 27.91 |
| 1971 | 34 | 1645 | 72.86 | 61.43 | 67.14 | 7.24 | 10.14 | 10.14 | 10.14 | 19.93 | 29.25 |
| 1972 | 35 | 1395 | 80.65 | 70.31 | 75.40 | 8.98 | 7.21 | 10.02 | 8.35 | 21.73 | 26.70 |
| 1973 | 36 | 2591 | 71.30 | 57.76 | 64.29 | 7.49 | 10.06 | 9.88 | 9.99 | 21.13 | 31.82 |
| 1974 | 37 | 1587 | 76.92 | 72.73 | 75.00 | 5.46 | 8.36 | 6.80 | 7.78 | 22.82 | 28.75 |
| 1975 | 38 | 1448 | 59.38 | 59.68 | 59.52 | 10.43 | 8.27 | 10.95 | 9.99 | 20.64 | 27.35 |
| 1976 | 39 | 1505 | 58.33 | 54.55 | 56.52 | 1.99 | 9.43 | 9.48 | 9.45 | 16.43 | 30.08 |
| 1977 | 40 | 1901 | 69.77 | 62.50 | 66.27 | 7.14 | 8.69 | 9.78 | 9.07 | 22.41 | 28.19 |
| 1978 | 41 | 673 | 64.71 | 56.67 | 60.94 | 9.62 | 8.93 | 6.98 | 8.31 | 15.77 | 24.72 |
| 1979 | 42 | 1833 | 70.51 | 58.75 | 64.56 | 13.21 | 9.23 | 9.04 | 9.15 | 18.35 | 27.69 |
| 1980 | 43 | 1201 | 54.84 | 42.00 | 49.11 | 13.86 | 10.62 | 9.37 | 10.01 | 17.48 | 35.77 |
| 1981 | 44 | 1366 | 75.00 | 64.52 | 69.84 | 2.85 | 11.30 | 9.81 | 10.73 | 21.28 | 27.65 |
| 1982 | 45 | 1636 | 72.62 | 61.63 | 67.06 | 6.84 | 9.08 | 8.70 | 8.91 | 20.14 | 28.11 |
| 1983 | 46 | 1261 | 62.50 | 48.21 | 55.36 | 9.26 | 8.12 | 8.92 | 8.47 | 16.43 | 29.74 |
| 1984 | 47 | 1287 | 59.09 | 54.29 | 56.62 | 5.11 | 8.39 | 8.49 | 8.42 | 15.81 | 21.22 |
| 1985 | 48 | 1428 | 63.89 | 56.76 | 60.27 | 10.96 | 8.00 | 9.69 | 8.81 | 17.73 | 25.13 |
| 1986 | 49 | 413 | 69.23 | 57.69 | 63.46 | 8.97 | 7.94 | 7.06 | 7.51 | 18.45 | 26.23 |
| 1987 | 50 | 1117 | 74.19 | 51.67 | 63.12 | 3.51 | 8.25 | 8.62 | 8.38 | 22.25 | 30.37 |
| 1988 | 51 | 1099 | 56.45 | 48.39 | 52.42 | 10.02 | 8.48 | 9.85 | 9.13 | 20.08 | 37.43 |
| 1989 | 52 | 740 | 50.00 | 47.73 | 48.78 | 12.20 | 10.83 | 9.20 | 9.68 | 16.74 | 29.21 |
| 1990 | 53 | 893 | 64.00 | 52.50 | 58.89 | 12.17 | 9.49 | 11.57 | 10.26 | 16.32 | 31.82 |
| 1991 | 54 | 921 | 57.14 | 56.52 | 56.86 | 9.30 | 9.20 | 11.69 | 10.64 | 19.48 | 29.29 |
| 1992 | 55 | 226 | 75.00 | 25.00 | 50.00 | 0.00 | 7.85 | 23.75 | 13.41 | 20.09 | 32.37 |