| 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 |
| 1984 | 14 | 688 | 59.38 | 66.67 | 62.50 | 13.46 | 11.11 | 10.90 | 10.98 | 16.79 | 21.27 |
| 1985 | 15 | 504 | 63.64 | 60.00 | 61.91 | 15.20 | 14.95 | 10.65 | 13.10 | 22.68 | 36.14 |
| 1986 | 16 | 1967 | 75.68 | 55.26 | 65.33 | 13.97 | 10.36 | 10.92 | 10.60 | 21.37 | 26.71 |
| 1987 | 17 | 2191 | 74.44 | 60.71 | 67.82 | 10.89 | 11.92 | 8.88 | 10.83 | 20.19 | 25.96 |
| 1988 | 18 | 1750 | 65.79 | 61.77 | 63.89 | 6.52 | 9.52 | 9.08 | 9.33 | 19.97 | 24.42 |
| 1989 | 19 | 1328 | 65.00 | 61.54 | 63.39 | 14.96 | 9.96 | 10.16 | 10.06 | 22.98 | 27.43 |
| 1990 | 20 | 1975 | 70.93 | 61.54 | 66.46 | 8.12 | 9.49 | 9.51 | 9.50 | 19.74 | 25.62 |
| 1991 | 21 | 1668 | 60.94 | 50.00 | 55.56 | 5.21 | 10.14 | 9.59 | 9.81 | 19.63 | 25.34 |
| 1992 | 22 | 1826 | 72.86 | 51.43 | 62.14 | 11.17 | 10.51 | 9.10 | 9.97 | 18.66 | 29.98 |
| 1993 | 23 | 1602 | 72.73 | 58.11 | 65.00 | 9.32 | 11.76 | 7.64 | 9.82 | 20.73 | 30.31 |
| 1994 | 24 | 1192 | 66.67 | 54.76 | 61.11 | 5.29 | 10.51 | 8.87 | 9.72 | 20.99 | 30.06 |
| 1995 | 25 | 891 | 60.00 | 47.37 | 53.85 | 13.12 | 9.41 | 8.97 | 9.27 | 16.27 | 24.87 |
| 1996 | 26 | 1234 | 75.00 | 47.92 | 62.00 | 8.07 | 10.31 | 11.88 | 10.83 | 20.29 | 27.69 |
| 1997 | 27 | 1643 | 68.18 | 63.64 | 65.91 | 3.56 | 10.53 | 9.18 | 9.99 | 22.15 | 32.56 |
| 1998 | 28 | 1443 | 73.33 | 50.00 | 61.67 | 7.40 | 10.43 | 7.46 | 9.44 | 19.97 | 28.27 |
| 1999 | 29 | 1068 | 68.75 | 50.00 | 59.38 | 11.77 | 10.70 | 12.83 | 11.24 | 22.86 | 37.52 |
| 2000 | 30 | 1203 | 75.00 | 51.92 | 63.46 | 7.01 | 12.17 | 9.90 | 11.79 | 22.48 | 32.33 |
| 2001 | 31 | 903 | 60.00 | 54.76 | 57.32 | 11.68 | 9.66 | 10.26 | 9.86 | 21.05 | 34.83 |
| 2002 | 32 | 569 | 75.00 | 46.15 | 61.11 | 7.41 | 11.55 | 13.91 | 12.30 | 20.07 | 25.93 |
| 2003 | 33 | 911 | 69.05 | 54.76 | 61.91 | 11.30 | 12.09 | 8.96 | 10.67 | 22.85 | 34.50 |
| 2004 | 34 | 1142 | 78.00 | 58.33 | 68.37 | 4.67 | 10.88 | 9.21 | 10.28 | 24.13 | 35.02 |
| 2005 | 35 | 1338 | 61.54 | 55.56 | 58.49 | 5.69 | 11.67 | 8.47 | 10.20 | 19.54 | 26.34 |
| 2006 | 36 | 1053 | 61.11 | 64.29 | 62.82 | 0.00 | 8.72 | 7.35 | 8.00 | 22.27 | 34.75 |
| 2007 | 37 | 1171 | 67.39 | 54.00 | 60.42 | 0.00 | 9.66 | 9.35 | 9.51 | 16.93 | 27.89 |