⬣
Opening Explore
Board size
6
,
8
,
10
,
11
2
1
21
U
T
S
R
Q
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C7
1
0
F8
1
0
U16
1
0
O8
0
1
Opening Explore
Home