| 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 |
| 1991 | 16 | 2145 | 76.67 | 72.09 | 74.43 | 7.83 | 8.95 | 9.14 | 9.04 | 22.53 | 28.27 |
| 1992 | 17 | 1713 | 70.27 | 73.75 | 72.08 | 0.00 | 8.46 | 8.03 | 8.24 | 23.03 | 28.64 |
| 1993 | 18 | 2308 | 75.51 | 56.00 | 65.66 | 7.29 | 8.55 | 9.31 | 8.86 | 21.39 | 27.88 |
| 1994 | 19 | 1670 | 63.24 | 54.55 | 58.96 | 8.37 | 9.78 | 12.21 | 11.10 | 21.96 | 29.85 |
| 1995 | 20 | 1375 | 79.03 | 58.93 | 69.49 | 4.00 | 7.36 | 9.46 | 8.02 | 23.83 | 33.88 |
| 1996 | 21 | 1678 | 66.67 | 48.49 | 58.33 | 4.85 | 10.43 | 9.41 | 10.01 | 20.44 | 29.55 |
| 1997 | 22 | 1514 | 67.19 | 62.90 | 65.08 | 6.63 | 6.80 | 7.71 | 7.23 | 20.03 | 25.19 |
| 1998 | 23 | 1230 | 62.07 | 50.00 | 56.60 | 1.87 | 9.22 | 9.30 | 9.26 | 18.63 | 25.60 |
| 1999 | 24 | 1189 | 68.52 | 51.67 | 59.65 | 2.60 | 8.70 | 7.13 | 8.39 | 21.05 | 33.21 |
| 2000 | 25 | 1070 | 69.57 | 50.00 | 59.78 | 0.00 | 7.89 | 8.58 | 8.02 | 17.85 | 27.20 |
| 2001 | 26 | 863 | 63.89 | 60.53 | 62.16 | 11.17 | 7.08 | 7.53 | 7.29 | 17.76 | 26.14 |
| 2002 | 27 | 64 | 75.00 | 50.00 | 66.67 | 0.00 | 10.87 | 10.87 | 22.38 | 45.70 | |
| 2003 | 28 | 888 | 67.50 | 44.74 | 56.41 | 0.00 | 7.74 | 13.02 | 9.81 | 14.76 | 19.63 |
| 2004 | 29 | 1145 | 61.54 | 46.30 | 53.77 | 7.56 | 8.55 | 9.60 | 8.97 | 13.90 | 18.08 |
| 2005 | 30 | 1139 | 60.42 | 42.00 | 51.02 | 22.45 | 9.10 | 11.16 | 9.88 | 16.34 | 29.58 |
| 2006 | 31 | 705 | 73.08 | 53.57 | 62.96 | 7.09 | 8.07 | 10.77 | 8.71 | 17.49 | 33.01 |
| 2007 | 32 | 1026 | 79.55 | 47.62 | 63.95 | 0.00 | 8.58 | 11.90 | 8.84 | 21.05 | 31.94 |