| 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 |
| 1971 | 20 | 5355 | 77.12 | 65.28 | 71.46 | 5.10 | 10.29 | 8.57 | 9.64 | 17.86 | 22.22 |
| 1972 | 21 | 5989 | 77.69 | 65.13 | 71.69 | 6.22 | 10.19 | 8.45 | 9.54 | 17.46 | 21.92 |
| 1973 | 22 | 7140 | 75.83 | 63.57 | 69.93 | 4.91 | 9.68 | 8.37 | 9.17 | 16.98 | 21.54 |
| 1974 | 23 | 7526 | 76.75 | 59.93 | 68.65 | 5.05 | 9.27 | 8.99 | 9.17 | 16.95 | 22.01 |
| 1975 | 24 | 7527 | 76.12 | 60.74 | 68.63 | 5.24 | 9.53 | 9.02 | 9.35 | 17.16 | 23.32 |
| 1976 | 25 | 7046 | 74.65 | 63.04 | 68.97 | 5.59 | 9.00 | 8.83 | 8.93 | 17.85 | 24.66 |
| 1977 | 26 | 7664 | 75.48 | 64.53 | 70.16 | 3.90 | 8.91 | 8.86 | 8.89 | 17.66 | 23.82 |
| 1978 | 27 | 6969 | 74.13 | 60.74 | 67.63 | 3.88 | 8.94 | 8.17 | 8.66 | 17.16 | 23.49 |
| 1979 | 28 | 6448 | 74.44 | 62.11 | 68.44 | 3.90 | 9.35 | 8.21 | 8.93 | 17.42 | 23.17 |
| 1980 | 29 | 6939 | 74.15 | 62.41 | 68.49 | 4.39 | 9.19 | 8.34 | 8.88 | 16.83 | 21.70 |
| 1981 | 30 | 6929 | 73.65 | 60.00 | 67.14 | 4.11 | 9.23 | 8.42 | 8.94 | 16.69 | 21.10 |
| 1982 | 31 | 6701 | 71.88 | 56.06 | 64.31 | 4.53 | 9.35 | 8.57 | 9.09 | 16.77 | 22.29 |
| 1983 | 32 | 6806 | 73.00 | 58.27 | 65.92 | 4.07 | 9.63 | 8.54 | 9.30 | 16.90 | 22.89 |
| 1984 | 33 | 7052 | 71.70 | 56.67 | 64.40 | 3.91 | 9.28 | 8.55 | 9.05 | 16.42 | 23.16 |
| 1985 | 34 | 6655 | 68.71 | 54.97 | 61.98 | 3.59 | 9.15 | 9.07 | 9.13 | 16.28 | 23.04 |
| 1986 | 35 | 7041 | 67.55 | 53.31 | 60.43 | 3.47 | 9.16 | 9.47 | 9.28 | 15.19 | 22.84 |
| 1987 | 36 | 7260 | 66.12 | 53.87 | 59.94 | 3.55 | 9.14 | 9.10 | 9.12 | 14.55 | 21.31 |
| 1988 | 37 | 8581 | 69.43 | 53.43 | 61.43 | 4.06 | 8.01 | 9.68 | 8.67 | 15.26 | 21.65 |
| 1989 | 38 | 8778 | 70.12 | 54.34 | 62.25 | 4.48 | 7.67 | 9.47 | 8.37 | 15.35 | 20.86 |
| 1990 | 39 | 8735 | 72.67 | 53.51 | 63.12 | 3.52 | 7.67 | 9.50 | 8.36 | 15.55 | 21.86 |
| 1991 | 40 | 9055 | 72.91 | 52.89 | 63.07 | 4.04 | 7.75 | 9.58 | 8.35 | 16.01 | 21.98 |
| 1992 | 41 | 9196 | 74.03 | 53.41 | 63.87 | 3.81 | 7.67 | 10.09 | 8.52 | 16.73 | 22.78 |
| 1993 | 42 | 8853 | 72.54 | 54.14 | 63.45 | 3.84 | 8.62 | 9.98 | 9.10 | 16.71 | 22.75 |
| 1994 | 43 | 9228 | 73.71 | 55.46 | 64.61 | 4.18 | 8.96 | 9.75 | 9.27 | 17.13 | 23.44 |
| 1995 | 44 | 9447 | 73.43 | 58.71 | 66.01 | 4.61 | 9.06 | 9.50 | 9.24 | 17.42 | 23.25 |
| 1996 | 45 | 9132 | 73.10 | 58.67 | 65.84 | 5.19 | 9.26 | 9.78 | 9.50 | 17.59 | 23.95 |
| 1997 | 46 | 8052 | 72.52 | 57.42 | 64.87 | 6.32 | 9.44 | 9.61 | 9.52 | 17.46 | 23.97 |
| 1998 | 47 | 6418 | 69.75 | 54.72 | 61.99 | 7.52 | 8.85 | 9.86 | 9.40 | 16.83 | 23.80 |
| 1999 | 48 | 5421 | 64.71 | 50.93 | 57.62 | 8.09 | 9.14 | 10.60 | 10.01 | 15.66 | 23.67 |