Black.
+---------------------------------------+
| | | | | | | | |
|---------------------------------------|
| B | | | | | | | |
|---------------------------------------|
| | | | | | | | |
|---------------------------------------|
| BB | | WW | | | | | |
|---------------------------------------|
| | | | | | | | |
|---------------------------------------|
| BB | | WW | | | | | |
|---------------------------------------|
| | | | | | | | |
|---------------------------------------|
| | | | | | | | |
+---------------------------------------+
White.
FIG. 7.
[BLACK TO MOVE AND WIN.]
_Solution._
{444}
13.9 14.18 11.15
22.18 5.9 25.22
9.6 10.6 23.27
18.22 9.13 22.26
6.1 6.10 27.24
V.1--22.18 26.31 26.22
21.25 10.14 24.20
V.2--18.15 31.27 22.26
1.6 18.22 20.16
14.17 27.23 26.22
6.2 V.3--22.25 16.12
17.14 2.7 22.26
25.22 25.22 12.8
15.10 7.11 26.22
22.26 V.4--22.25 8.3