1～4...20kyu
11～44
111～444
+5, -5...17 kyu
+55, -55
+555, -555
1～9...15kyu
11～99
111～999
Rule of 5...14kyu
Rule of 55
Rule of 10...13,12kyu
Rule of 5 & 10
1 digit +/-...11kyu
1 digit +
2 digits 10-7kyu
3 digits 6kyu
4 digits 5kyu
5 digits 4kyu
6 digits
7 digits 3kyu
8 digits
1
2
3
4
5
6
7
8
9
10
12
15
8.0Sec
6.0Sec
5.0Sec
4.0Sec
3.0Sec
2.0Sec
1.5Sec
1.0Sec
0.7Sec
0.5Sec
0.3Sec
?
