Rating Formula :: Online Typing Contest
The rating formula in the first tour is the following:
R1 = V − 4 × N − 7 × M, where
V — typing speed;
N — the number of corrections;
M — the number of errors.
The rating formula in the second tour is the following:
R2 = V − 2 × N − 3,5 × M + B, where
V — typing speed;
N — the number of corrections;
M — the number of errors;
B — the bonus for typing without errors and corrections;
 = 7.7.
The rating formula in the third tour is the following:
R3 = V − 10% of the rest typing speed for each correction − 20% of the rest typing speed for each error, where
V — typing speed;
The rating formula in the fourth tour is the following:
R4 = V − 10 × M, where
M — the number of errors;
The total rating formula is the following:
R = R1 × 0.65 + R2 × 0.85 + R3 × 1.25 + R4 × 0.75