| 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 |
| 1986 | 16 | 3159 | 69.53 | 58.33 | 64.11 | 14.04 | 11.27 | 10.87 | 11.08 | 20.60 | 26.86 |
| 1987 | 17 | 4662 | 73.66 | 58.33 | 66.12 | 12.65 | 11.61 | 10.01 | 10.99 | 20.95 | 27.28 |
| 1988 | 18 | 5908 | 72.08 | 59.21 | 65.81 | 10.63 | 10.74 | 9.65 | 10.30 | 20.51 | 25.75 |
| 1989 | 19 | 5269 | 69.03 | 61.28 | 65.35 | 10.54 | 10.70 | 9.33 | 10.13 | 20.81 | 25.81 |
| 1990 | 20 | 5053 | 67.57 | 61.62 | 64.76 | 9.40 | 9.61 | 9.55 | 9.58 | 20.66 | 25.66 |
| 1991 | 21 | 4971 | 66.19 | 57.81 | 62.19 | 8.89 | 9.78 | 9.71 | 9.74 | 20.55 | 26.01 |
| 1992 | 22 | 5469 | 68.64 | 54.76 | 61.86 | 7.85 | 9.95 | 9.47 | 9.72 | 19.34 | 26.74 |
| 1993 | 23 | 5096 | 69.00 | 53.40 | 61.08 | 8.12 | 10.74 | 9.00 | 9.86 | 19.62 | 28.47 |
| 1994 | 24 | 4620 | 71.20 | 54.84 | 62.97 | 8.65 | 10.88 | 8.54 | 9.84 | 19.97 | 30.12 |
| 1995 | 25 | 3685 | 67.53 | 54.55 | 61.04 | 8.48 | 10.69 | 8.39 | 9.67 | 19.72 | 29.25 |
| 1996 | 26 | 3317 | 67.86 | 50.00 | 59.33 | 7.97 | 10.18 | 9.89 | 10.07 | 19.46 | 28.11 |
| 1997 | 27 | 3768 | 68.35 | 54.61 | 61.61 | 7.12 | 10.21 | 10.10 | 10.17 | 20.13 | 29.36 |
| 1998 | 28 | 4320 | 71.91 | 54.60 | 63.35 | 6.19 | 10.42 | 9.55 | 10.11 | 20.88 | 29.69 |
| 1999 | 29 | 4154 | 70.12 | 55.17 | 62.64 | 6.69 | 10.54 | 9.19 | 10.07 | 21.58 | 32.28 |
| 2000 | 30 | 3714 | 72.50 | 50.63 | 61.56 | 8.37 | 11.17 | 9.36 | 10.71 | 21.62 | 32.16 |
| 2001 | 31 | 3174 | 68.57 | 52.11 | 60.28 | 9.83 | 11.07 | 10.94 | 11.04 | 22.20 | 34.61 |
| 2002 | 32 | 2675 | 70.00 | 51.67 | 60.83 | 8.67 | 11.29 | 11.10 | 11.24 | 21.49 | 31.71 |
| 2003 | 33 | 2383 | 67.27 | 52.73 | 60.00 | 10.58 | 11.04 | 10.25 | 10.74 | 21.50 | 32.66 |
| 2004 | 34 | 2622 | 74.17 | 54.31 | 64.41 | 7.62 | 11.42 | 9.82 | 10.80 | 22.80 | 33.26 |
| 2005 | 35 | 3391 | 69.44 | 56.25 | 62.85 | 7.06 | 11.47 | 8.88 | 10.38 | 21.98 | 32.44 |
| 2006 | 36 | 3533 | 67.39 | 59.03 | 63.12 | 3.56 | 10.54 | 8.29 | 9.54 | 21.84 | 32.49 |
| 2007 | 37 | 3562 | 63.43 | 57.53 | 60.36 | 1.97 | 10.08 | 8.35 | 9.22 | 19.48 | 29.74 |