| 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 |
| 1979 | 16 | 4561 | 73.68 | 59.24 | 66.58 | 13.74 | 10.41 | 11.44 | 10.90 | 25.35 | 31.40 |
| 1980 | 17 | 5315 | 78.83 | 62.04 | 70.55 | 11.27 | 10.23 | 10.99 | 10.60 | 25.77 | 32.17 |
| 1981 | 18 | 6058 | 78.23 | 63.53 | 70.94 | 9.93 | 10.02 | 10.46 | 10.22 | 26.05 | 33.22 |
| 1982 | 19 | 5993 | 78.35 | 64.11 | 71.32 | 9.10 | 9.68 | 10.68 | 10.11 | 26.19 | 32.88 |
| 1983 | 20 | 5491 | 76.27 | 68.35 | 72.47 | 7.27 | 9.53 | 10.39 | 9.90 | 25.41 | 32.67 |
| 1984 | 21 | 5640 | 72.18 | 64.66 | 68.54 | 5.51 | 9.48 | 10.30 | 9.86 | 23.81 | 33.03 |
| 1985 | 22 | 5944 | 68.50 | 60.33 | 64.52 | 6.21 | 9.05 | 10.08 | 9.51 | 22.09 | 31.64 |
| 1986 | 23 | 5598 | 69.58 | 57.97 | 63.95 | 5.30 | 8.84 | 9.95 | 9.32 | 20.76 | 29.92 |
| 1987 | 24 | 5645 | 66.24 | 54.96 | 60.75 | 6.76 | 8.93 | 9.67 | 9.26 | 19.53 | 28.55 |
| 1988 | 25 | 6540 | 69.47 | 56.67 | 62.97 | 7.89 | 8.74 | 9.09 | 8.90 | 20.42 | 28.58 |
| 1989 | 26 | 6833 | 74.24 | 61.68 | 67.84 | 7.69 | 8.83 | 8.84 | 8.83 | 21.94 | 28.41 |
| 1990 | 27 | 6592 | 75.79 | 61.74 | 68.61 | 6.97 | 9.36 | 9.00 | 9.20 | 23.39 | 28.91 |
| 1991 | 28 | 6485 | 74.38 | 63.26 | 68.58 | 8.34 | 9.54 | 8.96 | 9.26 | 23.51 | 28.91 |
| 1992 | 29 | 6658 | 77.82 | 64.93 | 71.12 | 7.48 | 9.79 | 8.79 | 9.32 | 24.92 | 30.66 |
| 1993 | 30 | 5758 | 77.57 | 63.16 | 70.14 | 7.07 | 10.27 | 9.01 | 9.70 | 25.17 | 31.90 |
| 1994 | 31 | 5709 | 78.10 | 59.29 | 68.35 | 8.48 | 10.77 | 9.78 | 10.35 | 26.05 | 34.88 |
| 1995 | 32 | 5700 | 75.46 | 61.25 | 68.04 | 9.13 | 10.73 | 8.97 | 9.95 | 25.09 | 35.81 |
| 1996 | 33 | 5463 | 75.93 | 61.40 | 68.47 | 8.29 | 10.95 | 9.12 | 10.17 | 26.11 | 37.19 |
| 1997 | 34 | 5250 | 75.24 | 60.36 | 67.52 | 7.28 | 11.14 | 9.69 | 10.51 | 25.60 | 37.37 |
| 1998 | 35 | 4711 | 73.16 | 60.00 | 66.41 | 7.53 | 11.16 | 9.56 | 10.44 | 25.31 | 37.74 |
| 1999 | 36 | 4257 | 72.41 | 63.74 | 67.98 | 5.38 | 10.25 | 9.60 | 9.94 | 25.74 | 36.62 |
| 2000 | 37 | 4344 | 74.42 | 61.63 | 68.02 | 3.28 | 9.78 | 10.36 | 10.04 | 25.26 | 34.44 |
| 2001 | 38 | 4490 | 75.29 | 62.22 | 68.64 | 1.40 | 9.25 | 10.53 | 9.81 | 24.72 | 33.87 |
| 2002 | 39 | 4223 | 74.70 | 62.65 | 68.68 | 1.57 | 9.07 | 10.58 | 9.67 | 24.19 | 32.88 |
| 2003 | 40 | 4290 | 75.90 | 62.05 | 68.98 | 2.91 | 9.52 | 10.46 | 9.87 | 24.09 | 32.40 |
| 2004 | 41 | 4308 | 73.17 | 57.93 | 65.55 | 3.50 | 9.51 | 9.90 | 9.64 | 21.59 | 32.30 |
| 2005 | 42 | 3334 | 73.81 | 60.16 | 66.93 | 3.50 | 9.73 | 10.61 | 10.03 | 22.30 | 33.57 |