| 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 |
| 1930 | 18 | 442 | 80.00 | 91.67 | 84.38 | 0.00 | 8.12 | 10.81 | 9.29 | 20.19 | 20.94 |
| 1931 | 19 | 468 | 87.50 | 72.22 | 79.41 | 0.00 | 8.05 | 9.48 | 8.89 | 19.93 | 24.97 |
| 1932 | 20 | 292 | 100.00 | 80.00 | 90.91 | 0.00 | 6.58 | 9.81 | 7.94 | 18.64 | 22.13 |
| 1933 | 21 | 435 | 68.18 | 60.00 | 64.29 | 11.03 | 9.03 | 8.22 | 8.57 | 18.88 | 33.58 |
| 1934 | 22 | 402 | 75.00 | 42.86 | 60.00 | 0.00 | 9.05 | 10.20 | 9.50 | 16.70 | 18.40 |
| 1935 | 23 | 602 | 75.00 | 62.50 | 68.75 | 9.40 | 10.97 | 12.13 | 11.65 | 20.54 | 30.37 |
| 1936 | 24 | 836 | 78.13 | 60.00 | 69.36 | 2.66 | 8.43 | 12.57 | 9.31 | 21.55 | 31.84 |
| 1937 | 25 | 375 | 58.33 | 42.86 | 50.00 | 9.93 | 12.80 | 8.75 | 10.69 | 19.20 | 24.00 |
| 1938 | 26 | 740 | 73.33 | 65.63 | 69.36 | 0.00 | 8.52 | 11.60 | 10.19 | 21.87 | 29.22 |
| 1939 | 27 | 504 | 66.67 | 81.25 | 73.53 | 0.00 | 8.03 | 10.57 | 9.63 | 21.95 | 36.76 |
| 1940 | 28 | 283 | 80.00 | 60.00 | 70.00 | 0.00 | 10.20 | 16.40 | 11.64 | 15.88 | 24.88 |
| 1941 | 29 | 491 | 55.00 | 80.00 | 67.50 | 3.36 | 7.96 | 9.95 | 8.91 | 18.03 | 28.20 |
| 1942 | 30 | ||||||||||
| 1943 | 31 | 396 | 92.86 | 57.14 | 75.00 | 0.00 | 8.88 | 6.32 | 8.55 | 26.70 | 29.83 |
| 1944 | 32 | 465 | 81.25 | 75.00 | 78.13 | 7.56 | 10.14 | 12.22 | 11.40 | 19.73 | 22.14 |
| 1945 | 33 | 568 | 85.00 | 95.00 | 90.00 | 0.00 | 10.35 | 10.88 | 10.66 | 34.88 | 42.94 |
| 1946 | 34 | 651 | 75.00 | 72.73 | 73.91 | 7.65 | 11.21 | 11.12 | 11.16 | 24.07 | 27.15 |
| 1947 | 35 | 375 | 78.57 | 68.75 | 73.33 | 8.40 | 7.43 | 7.19 | 7.33 | 17.65 | 21.23 |
| 1948 | 36 | 516 | 75.00 | 65.00 | 70.00 | 6.10 | 8.18 | 13.79 | 10.86 | 20.79 | 27.24 |
| 1949 | 37 | ||||||||||
| 1950 | 38 | ||||||||||
| 1951 | 39 | 1174 | 50.00 | 57.50 | 53.66 | 14.55 | 9.70 | 10.38 | 9.92 | 15.61 | 19.19 |
| 1952 | 40 | 1129 | 66.67 | 66.67 | 66.67 | 4.75 | 8.81 | 11.42 | 10.10 | 20.23 | 25.28 |
| 1953 | 41 | ||||||||||
| 1954 | 42 | 936 | 65.79 | 50.00 | 58.57 | 11.17 | 9.68 | 7.03 | 8.70 | 17.38 | 24.19 |
| 1955 | 43 | 568 | 58.33 | 54.55 | 56.52 | 3.52 | 10.69 | 7.35 | 8.58 | 15.32 | 16.66 |
| 1956 | 44 | 649 | 84.38 | 58.33 | 73.21 | 5.24 | 7.52 | 12.22 | 8.67 | 24.16 | 31.64 |
| 1957 | 45 | 544 | 50.00 | 36.36 | 43.18 | 0.00 | 10.99 | 8.18 | 9.67 | 18.23 | 32.59 |
| 1958 | 46 | 1068 | 73.81 | 52.63 | 63.75 | 10.72 | 9.20 | 10.25 | 9.68 | 20.53 | 26.56 |
| 1959 | 47 | 139 | 50.00 | 66.67 | 58.33 | 0.00 | 0.00 | 5.23 | 5.23 | 11.19 | 10.74 |
| 1960 | 48 | 911 | 61.11 | 47.22 | 54.17 | 11.36 | 7.72 | 10.48 | 9.55 | 18.25 | 27.20 |
| 1961 | 49 | 1071 | 80.95 | 55.56 | 69.23 | 6.39 | 10.40 | 13.90 | 11.54 | 24.91 | 29.58 |
| 1962 | 50 | 572 | 77.27 | 80.00 | 78.57 | 13.02 | 12.55 | 9.24 | 10.66 | 22.14 | 27.00 |
| 1963 | 51 | 895 | 62.50 | 55.56 | 58.82 | 4.48 | 11.90 | 7.71 | 9.04 | 17.90 | 29.84 |
| 1964 | 52 | 500 | 72.22 | 81.25 | 76.47 | 0.00 | 9.82 | 9.03 | 9.49 | 18.73 | 24.87 |
| 1965 | 53 | 556 | 65.00 | 72.73 | 69.05 | 15.18 | 10.63 | 10.87 | 10.72 | 22.67 | 27.09 |
| 1966 | 54 | 821 | 76.47 | 64.29 | 70.97 | 12.22 | 8.03 | 7.18 | 7.63 | 23.03 | 29.77 |
| 1967 | 55 | 786 | 75.00 | 70.00 | 72.58 | 7.69 | 8.73 | 8.29 | 8.52 | 17.03 | 21.56 |
| 1968 | 56 | 261 | 71.43 | 66.67 | 69.23 | 0.00 | 5.80 | 6.59 | 6.19 | 21.61 | 30.53 |
| 1969 | 57 | 789 | 68.75 | 58.82 | 63.64 | 0.00 | 7.77 | 12.15 | 9.95 | 15.10 | 16.51 |
| 1970 | 58 | 423 | 50.00 | 50.00 | 50.00 | 16.81 | 7.90 | 10.33 | 9.12 | 13.98 | 25.27 |