| 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 |
| 1965 | 28 | 14775 | 75.51 | 61.99 | 68.77 | 8.60 | 10.37 | 9.97 | 10.19 | 21.93 | 28.98 |
| 1966 | 29 | 15169 | 75.49 | 63.08 | 69.33 | 8.66 | 10.35 | 9.93 | 10.16 | 22.28 | 29.27 |
| 1967 | 30 | 15304 | 75.56 | 62.46 | 69.08 | 8.76 | 10.07 | 10.00 | 10.04 | 22.07 | 28.96 |
| 1968 | 31 | 14673 | 73.52 | 60.98 | 67.33 | 8.92 | 10.06 | 10.05 | 10.05 | 21.85 | 29.04 |
| 1969 | 32 | 14051 | 72.36 | 59.09 | 65.80 | 9.01 | 10.22 | 9.68 | 9.99 | 20.97 | 28.40 |
| 1970 | 33 | 13667 | 72.47 | 58.63 | 65.66 | 9.46 | 10.22 | 9.72 | 10.01 | 21.09 | 28.31 |
| 1971 | 34 | 13418 | 72.63 | 60.11 | 66.52 | 9.24 | 10.18 | 9.61 | 9.94 | 21.06 | 28.72 |
| 1972 | 35 | 13187 | 74.74 | 61.81 | 68.46 | 9.04 | 9.77 | 9.50 | 9.66 | 21.54 | 28.64 |
| 1973 | 36 | 14041 | 72.80 | 60.68 | 66.86 | 8.80 | 9.78 | 9.72 | 9.75 | 21.30 | 29.08 |
| 1974 | 37 | 13739 | 71.77 | 61.30 | 66.69 | 8.80 | 9.57 | 9.32 | 9.47 | 21.56 | 29.68 |
| 1975 | 38 | 14577 | 70.97 | 61.22 | 66.23 | 9.14 | 9.41 | 9.49 | 9.44 | 21.46 | 29.31 |
| 1976 | 39 | 14629 | 68.94 | 59.97 | 64.55 | 8.42 | 9.24 | 9.50 | 9.35 | 20.51 | 28.86 |
| 1977 | 40 | 15491 | 68.71 | 60.30 | 64.60 | 8.29 | 9.26 | 9.62 | 9.41 | 20.74 | 28.80 |
| 1978 | 41 | 14966 | 69.29 | 60.22 | 64.85 | 7.91 | 9.27 | 9.50 | 9.37 | 20.70 | 28.97 |
| 1979 | 42 | 15400 | 70.44 | 61.30 | 65.95 | 8.05 | 8.96 | 9.53 | 9.20 | 20.36 | 28.63 |
| 1980 | 43 | 15779 | 68.49 | 60.09 | 64.38 | 8.36 | 9.08 | 9.51 | 9.26 | 20.03 | 28.94 |
| 1981 | 44 | 15500 | 68.64 | 60.36 | 64.60 | 8.04 | 9.16 | 9.46 | 9.29 | 20.16 | 28.77 |
| 1982 | 45 | 15741 | 68.08 | 59.60 | 63.94 | 7.79 | 9.35 | 9.31 | 9.34 | 20.02 | 28.94 |
| 1983 | 46 | 14411 | 67.11 | 58.93 | 63.15 | 7.94 | 9.15 | 9.18 | 9.16 | 19.51 | 28.45 |
| 1984 | 47 | 14111 | 65.17 | 57.01 | 61.16 | 8.09 | 9.21 | 9.46 | 9.31 | 18.81 | 27.87 |
| 1985 | 48 | 14091 | 65.58 | 56.73 | 61.22 | 8.09 | 9.17 | 9.22 | 9.19 | 18.51 | 27.65 |
| 1986 | 49 | 12999 | 66.56 | 57.00 | 61.84 | 8.59 | 9.11 | 9.11 | 9.11 | 18.76 | 27.42 |
| 1987 | 50 | 12215 | 66.89 | 55.72 | 61.35 | 8.41 | 9.12 | 8.95 | 9.05 | 18.51 | 27.56 |
| 1988 | 51 | 12641 | 65.98 | 54.95 | 60.49 | 8.49 | 9.08 | 9.08 | 9.08 | 18.79 | 28.28 |
| 1989 | 52 | 11548 | 64.36 | 53.90 | 59.14 | 7.74 | 9.09 | 9.10 | 9.10 | 18.73 | 28.42 |
| 1990 | 53 | 11240 | 65.35 | 54.83 | 60.09 | 7.50 | 9.00 | 9.24 | 9.10 | 18.68 | 28.22 |
| 1991 | 54 | 10795 | 63.46 | 53.90 | 58.72 | 8.30 | 8.65 | 9.44 | 9.00 | 18.41 | 28.42 |
| 1992 | 55 | 9385 | 62.20 | 51.84 | 57.07 | 8.38 | 8.51 | 9.99 | 9.16 | 18.15 | 28.62 |