| 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 | 21 | 10201 | 72.83 | 62.26 | 67.68 | 9.54 | 9.92 | 10.86 | 10.36 | 24.49 | 32.27 |
| 1985 | 22 | 11259 | 73.32 | 61.14 | 67.35 | 8.95 | 9.67 | 10.59 | 10.10 | 23.81 | 31.93 |
| 1986 | 23 | 11656 | 73.98 | 60.85 | 67.54 | 8.02 | 9.52 | 10.25 | 9.84 | 23.48 | 31.88 |
| 1987 | 24 | 11638 | 72.54 | 59.79 | 66.28 | 8.16 | 9.38 | 10.26 | 9.76 | 22.91 | 31.25 |
| 1988 | 25 | 12031 | 72.69 | 61.89 | 67.34 | 7.56 | 9.16 | 9.77 | 9.43 | 22.67 | 30.82 |
| 1989 | 26 | 12473 | 73.24 | 63.04 | 68.17 | 6.66 | 9.13 | 9.54 | 9.32 | 22.78 | 30.59 |
| 1990 | 27 | 12536 | 72.13 | 61.07 | 66.60 | 6.62 | 9.22 | 9.48 | 9.34 | 22.77 | 30.13 |
| 1991 | 28 | 12083 | 71.99 | 60.82 | 66.36 | 6.95 | 9.21 | 9.39 | 9.29 | 22.23 | 29.35 |
| 1992 | 29 | 12303 | 72.20 | 60.41 | 66.26 | 7.17 | 9.41 | 9.15 | 9.29 | 22.42 | 29.85 |
| 1993 | 30 | 12298 | 73.11 | 59.64 | 66.22 | 7.49 | 9.47 | 9.05 | 9.29 | 22.63 | 30.27 |
| 1994 | 31 | 12542 | 75.95 | 60.60 | 68.07 | 8.04 | 9.72 | 9.24 | 9.51 | 23.81 | 31.33 |
| 1995 | 32 | 12292 | 75.64 | 61.51 | 68.34 | 7.95 | 9.98 | 8.99 | 9.54 | 24.18 | 32.04 |
| 1996 | 33 | 11948 | 75.11 | 62.40 | 68.53 | 8.32 | 10.23 | 9.03 | 9.68 | 24.70 | 32.75 |
| 1997 | 34 | 11908 | 76.65 | 62.86 | 69.49 | 7.39 | 10.40 | 9.16 | 9.83 | 25.22 | 33.51 |
| 1998 | 35 | 10469 | 75.50 | 61.68 | 68.39 | 7.28 | 10.66 | 9.26 | 10.03 | 25.23 | 34.46 |
| 1999 | 36 | 9966 | 75.52 | 61.28 | 68.18 | 7.14 | 10.56 | 9.69 | 10.17 | 25.92 | 35.65 |
| 2000 | 37 | 10044 | 75.00 | 61.41 | 68.04 | 6.67 | 10.32 | 9.57 | 9.99 | 25.17 | 35.21 |
| 2001 | 38 | 9953 | 75.64 | 61.77 | 68.55 | 5.35 | 10.23 | 9.74 | 10.02 | 25.48 | 35.73 |
| 2002 | 39 | 9473 | 75.00 | 61.34 | 68.03 | 4.93 | 10.25 | 10.03 | 10.16 | 24.97 | 35.43 |
| 2003 | 40 | 9001 | 74.44 | 60.93 | 67.59 | 5.39 | 10.34 | 9.94 | 10.18 | 24.73 | 35.14 |
| 2004 | 41 | 8565 | 72.78 | 60.98 | 66.81 | 4.56 | 9.89 | 9.70 | 9.81 | 23.65 | 34.73 |
| 2005 | 42 | 7678 | 74.16 | 61.00 | 67.56 | 3.37 | 9.76 | 10.45 | 10.04 | 23.98 | 34.09 |