⬣
Opening Explore
Board size
6
,
8
,
10
,
11
2
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
A1
28
25
B2
9
6
C3
8
8
D4
8
3
E7
7
1
F6
6
2
B3
4
2
C5
4
0
D5
4
0
E5
4
6
F7
4
1
G9
4
0
J10
4
2
A6
3
1
C6
3
2
G7
3
1
A2
2
3
C7
2
0
D7
2
0
E6
2
2
E8
2
1
G8
2
1
H9
2
0
A4
1
0
A5
1
0
B5
1
1
B6
1
0
C4
1
2
D6
1
1
F8
1
1
H8
1
0
I10
1
0
A3
0
1
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