Solution:

Congrats to Hive account@ralk98 to find the key move, to Hive account@iceblue to contribute some nice variations and Hive account@hierro21 for her efforts! :)

The winning move is

1. Ng6!

1. ... hxg6
2. Rh8# checkmate.

1. ... fxg6
2. f7+ Kh8
3. Rxh7+! Nxh7
4. f8R# checkmate.

1. ... gxh6
2. Ne7+ Kh8
3. Kxf8 h5
4. Rg3 h6
5. Rg8+ Kh7
6. Rg7+ Kh8
7. Kxf7 c5
8. Ng6# checkmate.

1. ... Nxg6
2. Rxh7 (threatens 3. Rg7#) gxf6
3. Rxf7 Nf4
4. Rg3+ Kh8
5. Rxf6 Kh7
6. Kf7 c5
7. Rg7+ Kh8
8. Rh6# checkmate.

Solution: Congrats to Hive account@ralk98 to find the key move, to Hive account@iceblue to contribute some nice variations and Hive account@hierro21 for her efforts! :)

Solution:

Congrats to Hive account@ralk98 to find the key move, to Hive account@iceblue to contribute some nice variations and Hive account@hierro21 for her efforts! :)