| 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 |
| 1976 | 25 | 12401 | 75.76 | 64.02 | 70.08 | 5.36 | 9.61 | 8.71 | 9.26 | 17.85 | 23.53 |
| 1977 | 26 | 13653 | 76.48 | 64.79 | 70.85 | 5.03 | 9.52 | 8.66 | 9.20 | 17.57 | 22.93 |
| 1978 | 27 | 14109 | 75.00 | 62.18 | 68.81 | 4.44 | 9.34 | 8.28 | 8.94 | 17.07 | 22.43 |
| 1979 | 28 | 13974 | 75.69 | 60.95 | 68.55 | 4.52 | 9.30 | 8.63 | 9.06 | 17.17 | 22.55 |
| 1980 | 29 | 14466 | 75.16 | 61.54 | 68.56 | 4.81 | 9.36 | 8.67 | 9.11 | 17.01 | 22.52 |
| 1981 | 30 | 13975 | 74.14 | 61.54 | 68.05 | 4.84 | 9.12 | 8.63 | 8.94 | 17.27 | 22.89 |
| 1982 | 31 | 14365 | 73.75 | 60.54 | 67.38 | 4.19 | 9.12 | 8.73 | 8.98 | 17.24 | 23.15 |
| 1983 | 32 | 13775 | 73.55 | 59.49 | 66.76 | 3.97 | 9.31 | 8.34 | 8.99 | 17.03 | 23.19 |
| 1984 | 33 | 13500 | 72.96 | 59.17 | 66.26 | 3.91 | 9.31 | 8.36 | 8.99 | 16.90 | 23.16 |
| 1985 | 34 | 13594 | 71.43 | 58.63 | 65.21 | 4.05 | 9.18 | 8.64 | 8.99 | 16.56 | 22.26 |
| 1986 | 35 | 13970 | 70.57 | 56.47 | 63.68 | 3.82 | 9.20 | 8.91 | 9.09 | 15.93 | 21.85 |
| 1987 | 36 | 13961 | 68.92 | 54.88 | 62.01 | 4.07 | 9.26 | 8.84 | 9.10 | 15.61 | 21.84 |
| 1988 | 37 | 15387 | 71.08 | 55.57 | 63.46 | 4.06 | 8.85 | 9.20 | 8.97 | 15.98 | 22.27 |
| 1989 | 38 | 15830 | 70.87 | 55.42 | 63.26 | 4.22 | 8.45 | 9.11 | 8.68 | 15.82 | 21.93 |
| 1990 | 39 | 15390 | 70.85 | 54.17 | 62.60 | 3.55 | 8.31 | 9.33 | 8.68 | 15.86 | 22.35 |
| 1991 | 40 | 16096 | 70.46 | 53.09 | 61.85 | 3.80 | 8.30 | 9.53 | 8.73 | 15.65 | 22.33 |
| 1992 | 41 | 16456 | 70.42 | 53.63 | 62.05 | 3.71 | 8.20 | 9.67 | 8.75 | 15.77 | 22.22 |
| 1993 | 42 | 17434 | 70.98 | 53.78 | 62.43 | 3.94 | 8.36 | 9.84 | 8.91 | 16.00 | 22.25 |
| 1994 | 43 | 18006 | 71.92 | 54.90 | 63.43 | 4.32 | 8.37 | 9.62 | 8.85 | 16.26 | 22.25 |
| 1995 | 44 | 18182 | 73.06 | 56.16 | 64.58 | 4.12 | 8.42 | 9.50 | 8.84 | 16.52 | 22.62 |
| 1996 | 45 | 18187 | 73.00 | 55.78 | 64.44 | 4.65 | 8.47 | 9.70 | 8.96 | 16.80 | 23.03 |
| 1997 | 46 | 17248 | 73.34 | 55.29 | 64.33 | 4.95 | 8.39 | 9.84 | 8.97 | 17.07 | 23.33 |
| 1998 | 47 | 15271 | 71.40 | 54.39 | 62.84 | 5.33 | 8.69 | 9.92 | 9.22 | 16.76 | 23.17 |
| 1999 | 48 | 14649 | 70.40 | 53.72 | 61.99 | 5.38 | 9.00 | 10.09 | 9.49 | 16.59 | 23.51 |