| 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 |
| 1960 | 17 | 7485 | 73.24 | 62.17 | 67.52 | 8.47 | 10.31 | 10.15 | 10.23 | 21.48 | 25.55 |
| 1961 | 18 | 7298 | 75.91 | 60.69 | 68.09 | 7.47 | 9.67 | 9.82 | 9.74 | 21.18 | 25.20 |
| 1962 | 19 | 7513 | 70.63 | 59.12 | 64.78 | 7.06 | 9.57 | 10.04 | 9.76 | 20.04 | 25.40 |
| 1963 | 20 | 6820 | 71.76 | 60.90 | 66.29 | 6.94 | 9.67 | 9.56 | 9.63 | 20.68 | 26.34 |
| 1964 | 21 | 4748 | 74.18 | 62.63 | 68.28 | 6.27 | 8.85 | 8.55 | 8.73 | 20.50 | 26.24 |
| 1965 | 22 | 3980 | 73.97 | 64.56 | 69.08 | 6.28 | 8.53 | 8.19 | 8.39 | 20.51 | 27.24 |
| 1966 | 23 | 4395 | 75.31 | 68.82 | 71.99 | 4.94 | 8.91 | 8.12 | 8.56 | 21.07 | 27.31 |
| 1967 | 24 | 3395 | 82.50 | 76.52 | 79.37 | 4.66 | 9.11 | 8.46 | 8.76 | 23.97 | 29.00 |
| 1968 | 25 | 3808 | 81.62 | 76.71 | 79.08 | 3.98 | 9.17 | 8.40 | 8.75 | 24.07 | 29.25 |
| 1969 | 26 | 3803 | 81.62 | 76.71 | 79.08 | 3.98 | 9.17 | 8.55 | 8.84 | 24.28 | 29.58 |
| 1970 | 27 | 4974 | 82.78 | 77.17 | 79.95 | 2.02 | 9.00 | 8.77 | 8.88 | 23.65 | 28.03 |
| 1971 | 28 | 4327 | 85.26 | 79.75 | 82.48 | 2.88 | 8.28 | 9.21 | 8.73 | 23.66 | 27.19 |
| 1972 | 29 | 3955 | 83.57 | 76.76 | 80.14 | 2.27 | 7.83 | 8.74 | 8.29 | 22.79 | 26.43 |
| 1992 | 49 | 4075 | 80.28 | 68.92 | 74.48 | 2.72 | 7.95 | 9.31 | 8.61 | 21.05 | 25.48 |
| The "1992" row includes data from the year 1992 and the years 1969 through 1972 |