| 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 |
| 1956 | 13 | 1036 | 55.00 | 64.58 | 60.23 | 13.64 | 13.66 | 11.00 | 12.08 | 22.44 | 29.67 |
| 1957 | 14 | 1749 | 89.06 | 67.14 | 77.61 | 7.52 | 9.49 | 8.83 | 9.14 | 23.35 | 24.34 |
| 1958 | 15 | 966 | 72.22 | 57.50 | 64.47 | 6.26 | 7.49 | 13.07 | 10.32 | 19.12 | 22.44 |
| 1959 | 16 | 2104 | 66.25 | 57.69 | 62.03 | 8.16 | 11.35 | 11.38 | 11.36 | 20.85 | 25.90 |
| 1960 | 17 | 1630 | 78.13 | 63.24 | 70.46 | 7.92 | 9.31 | 8.35 | 8.89 | 21.27 | 25.96 |
| 1961 | 18 | 849 | 73.33 | 52.94 | 62.50 | 4.98 | 6.18 | 8.21 | 7.29 | 20.07 | 26.92 |
| 1962 | 19 | 1964 | 67.11 | 60.53 | 63.82 | 5.90 | 9.23 | 9.24 | 9.23 | 18.64 | 24.98 |
| 1963 | 20 | 273 | 100.00 | 100.00 | 100.00 | 3.66 | 7.66 | 9.09 | 8.44 | 33.26 | 33.26 |
| 1964 | 21 | 32 | 100.00 | 100.00 | 0.00 | 4.34 | 4.34 | 6.43 | 6.43 | ||
| 1965 | 22 | 862 | 82.14 | 72.22 | 76.56 | 9.17 | 8.29 | 6.95 | 7.66 | 22.04 | 29.38 |
| 1966 | 23 | 1264 | 78.26 | 71.74 | 75.00 | 1.13 | 9.17 | 8.02 | 8.49 | 22.16 | 27.35 |
| 1967 | 24 | 964 | 82.35 | 78.95 | 80.56 | 5.49 | 10.37 | 10.39 | 10.38 | 26.18 | 30.05 |
| 1968 | 25 | 686 | 85.71 | 87.50 | 86.54 | 0.00 | 8.68 | 8.44 | 8.56 | 28.05 | 32.79 |
| 1969 | 26 | 27 | 100.00 | 100.00 | 0.00 | 11.88 | 11.88 | 30.61 | 30.61 | ||
| 1970 | 27 | 2033 | 84.72 | 75.68 | 80.14 | 1.47 | 8.38 | 8.42 | 8.40 | 21.85 | 25.70 |
| 1971 | 28 | 617 | 90.91 | 85.00 | 88.10 | 5.46 | 5.26 | 9.83 | 7.43 | 20.65 | 22.34 |
| 1972 | 29 | 592 | 66.67 | 59.09 | 62.50 | 3.98 | 9.57 | 8.22 | 8.69 | 21.92 | 27.12 |
| 1992 | 49 | 806 | 70.00 | 46.67 | 58.33 | 2.61 | 9.33 | 12.88 | 10.76 | 18.43 | 28.86 |