Truechess.com Compares the Champions
Blunders per 1000 moves [draws excluded] / Years 1947 - 1972
| YEAR |
EUWE |
BOTV |
SMY |
TAL |
PETRO |
SPASS |
FISCH |
| 1947 |
8.34 |
3.46 |
|
|
|
|
|
| 1948 |
10.56 |
4.29 |
8.42 |
|
|
|
|
| 1949 |
10.90 |
4.69 |
7.11 |
|
|
|
|
| 1950 |
10.45 |
4.90 |
7.22 |
|
|
|
|
| 1951 |
10.48 |
7.04 |
6.60 |
|
|
|
|
| 1952 |
10.81 |
6.60 |
7.07 |
|
|
|
|
| 1953 |
10.25 |
7.08 |
7.37 |
|
|
|
|
| 1954 |
|
7.70 |
7.21 |
|
|
|
|
| 1955 |
|
8.41 |
6.93 |
|
|
|
|
| 1956 |
|
8.13 |
6.80 |
|
|
|
|
| 1957 |
|
7.44 |
6.57 |
|
|
|
|
| 1958 |
|
8.23 |
6.62 |
|
7.52 |
|
|
| 1959 |
|
8.19 |
6.77 |
|
7.16 |
|
|
| 1960 |
|
8.56 |
6.75 |
|
7.02 |
|
|
| 1961 |
|
7.31 |
7.18 |
|
6.49 |
|
|
| 1962 |
|
8.33 |
6.31 |
|
6.16 |
8.58 |
|
| 1963 |
|
7.92 |
5.74 |
|
6.67 |
7.93 |
|
| 1964 |
|
6.85 |
5.50 |
|
6.43 |
7.65 |
|
| 1965 |
|
8.01 |
5.17 |
8.60 |
6.71 |
7.21 |
7.74 |
| 1966 |
|
8.82 |
4.78 |
8.66 |
5.97 |
6.48 |
6.49 |
| 1967 |
|
9.16 |
4.72 |
8.76 |
5.70 |
6.78 |
6.21 |
| 1968 |
|
8.66 |
4.71 |
8.92 |
6.14 |
6.76 |
5.81 |
| 1969 |
|
7.83 |
3.96 |
9.01 |
6.04 |
5.70 |
5.18 |
| 1970 |
|
7.71 |
3.36 |
9.46 |
6.35 |
4.99 |
3.82 |
| 1971 |
|
|
2.90 |
9.24 |
6.41 |
5.71 |
3.90 |
| 1972 |
|
|
3.16 |
9.04 |
6.53 |
6.46 |
3.44 |