Board size
Komi (handicap)
Ko rule
Simple
Positional Superko
Situational Superko
Natural Situational Superko
A
A
13
13
B
B
12
12
C
C
11
11
D
D
10
10
E
E
9
9
F
F
8
8
G
G
7
7
H
H
6
6
J
J
5
5
K
K
4
4
L
L
3
3
M
M
2
2
N
N
1
1
Pass
Undo