| 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 |
| 1949 | 20 | 893 | 72.22 | 36.11 | 54.17 | 9.52 | 11.35 | 11.90 | 11.57 | 19.36 | 29.14 |
| 1950 | 21 | 964 | 55.26 | 57.90 | 56.58 | 4.85 | 10.87 | 12.66 | 11.64 | 18.46 | 23.51 |
| 1951 | 22 | 1249 | 68.75 | 68.75 | 68.75 | 10.60 | 9.76 | 9.36 | 9.58 | 21.03 | 27.01 |
| 1952 | 23 | 784 | 72.50 | 50.00 | 62.16 | 2.20 | 10.28 | 10.73 | 10.44 | 23.40 | 33.08 |
| 1953 | 24 | 1050 | 66.67 | 56.00 | 61.22 | 5.35 | 10.22 | 11.28 | 10.67 | 17.65 | 24.41 |
| 1954 | 25 | 1613 | 72.73 | 64.52 | 68.75 | 6.54 | 10.17 | 9.26 | 9.69 | 17.69 | 25.10 |
| 1955 | 26 | 1186 | 64.29 | 67.31 | 65.74 | 2.07 | 8.58 | 10.32 | 9.48 | 16.20 | 20.76 |
| 1956 | 27 | 1270 | 58.93 | 66.67 | 62.73 | 16.20 | 10.16 | 10.94 | 10.58 | 20.09 | 29.04 |
| 1957 | 28 | 1151 | 68.52 | 57.69 | 63.21 | 11.24 | 10.84 | 12.05 | 11.37 | 18.45 | 24.09 |
| 1958 | 29 | 1166 | 80.00 | 56.00 | 68.00 | 1.72 | 9.34 | 10.53 | 9.65 | 20.50 | 27.26 |
| 1959 | 30 | 1472 | 68.33 | 56.45 | 62.30 | 5.67 | 9.77 | 9.50 | 9.66 | 19.08 | 26.02 |
| 1960 | 31 | 1479 | 89.39 | 73.33 | 81.75 | 5.11 | 8.40 | 9.64 | 8.87 | 21.57 | 25.59 |
| 1961 | 32 | 1471 | 77.59 | 66.67 | 71.77 | 6.15 | 7.82 | 10.49 | 9.10 | 21.53 | 26.41 |
| 1962 | 33 | 1315 | 76.56 | 62.90 | 69.84 | 0.00 | 9.26 | 9.48 | 9.33 | 19.99 | 27.75 |
| 1963 | 34 | 1048 | 65.00 | 47.50 | 56.25 | 13.67 | 8.98 | 10.82 | 9.53 | 15.30 | 22.48 |
| 1964 | 35 | 1172 | 80.77 | 68.18 | 75.00 | 4.15 | 8.34 | 7.79 | 8.14 | 17.02 | 21.06 |
| 1965 | 36 | 911 | 69.05 | 54.35 | 61.36 | 6.19 | 10.26 | 8.48 | 9.80 | 14.92 | 22.42 |
| 1966 | 37 | 1650 | 67.14 | 53.03 | 60.29 | 8.36 | 7.85 | 9.53 | 8.63 | 19.68 | 28.14 |
| 1967 | 38 | 929 | 73.81 | 52.50 | 63.42 | 9.36 | 9.66 | 11.58 | 10.39 | 17.13 | 22.44 |
| 1968 | 39 | 1119 | 80.00 | 66.67 | 73.47 | 6.88 | 8.20 | 9.52 | 8.74 | 18.54 | 23.99 |
| 1969 | 40 | 1406 | 59.38 | 56.06 | 57.69 | 4.55 | 9.22 | 10.62 | 10.02 | 16.17 | 25.96 |
| 1970 | 41 | 1457 | 62.90 | 55.88 | 59.23 | 7.47 | 8.67 | 10.23 | 9.28 | 18.04 | 27.39 |
| 1971 | 42 | 1096 | 59.62 | 48.39 | 53.51 | 6.79 | 9.10 | 10.01 | 9.49 | 16.80 | 32.42 |
| 1972 | 43 | 1353 | 75.00 | 60.35 | 68.25 | 1.38 | 9.49 | 9.37 | 9.46 | 19.70 | 27.18 |
| 1973 | 44 | 1188 | 69.36 | 56.90 | 63.33 | 1.78 | 6.74 | 8.95 | 7.58 | 16.66 | 23.24 |
| 1974 | 45 | 1142 | 81.48 | 52.00 | 67.31 | 9.21 | 9.79 | 8.89 | 9.46 | 17.00 | 23.43 |
| 1975 | 46 | 1474 | 71.05 | 47.06 | 59.72 | 7.47 | 9.90 | 10.49 | 10.10 | 18.40 | 27.55 |
| 1976 | 47 | 1008 | 66.67 | 59.26 | 62.96 | 9.43 | 9.06 | 9.31 | 9.15 | 19.30 | 27.26 |
| 1977 | 48 | 1253 | 62.90 | 54.84 | 58.87 | 8.39 | 9.61 | 9.57 | 9.60 | 17.60 | 28.95 |
| 1978 | 49 | 865 | 72.50 | 57.50 | 65.00 | 2.15 | 9.87 | 10.32 | 10.07 | 20.80 | 29.87 |
| 1979 | 50 | 1486 | 70.00 | 55.41 | 62.50 | 5.31 | 8.71 | 7.74 | 8.23 | 17.07 | 25.18 |
| 1980 | 51 | 1136 | 66.67 | 59.26 | 62.75 | 8.05 | 7.47 | 10.95 | 9.35 | 15.57 | 21.01 |
| 1981 | 52 | 1010 | 64.58 | 52.08 | 58.33 | 2.14 | 11.01 | 9.68 | 10.26 | 16.36 | 24.52 |
| 1982 | 53 | 957 | 67.39 | 42.86 | 55.68 | 11.85 | 9.74 | 11.12 | 10.17 | 16.81 | 30.63 |
| 1983 | 54 | 1146 | 59.26 | 50.00 | 54.31 | 2.55 | 9.98 | 10.20 | 10.07 | 17.80 | 36.69 |