There are two smears in the calligraphy exam. How to deduct points?

There is no deduction. Calligraphy scoring adopts the test score system of 100%, which is divided into excellent, good, qualified and unqualified. There are two smears that will not be buckled separately. According to the overall evaluation, 100-90 was rated as "excellent", 89-75 as "good", 74-60 as "qualified" and 59-0 as "unqualified".