Solution: 1. Ra2-h2! threat 2. Ka1-a2 waiting
2. ... Sg1 ad lib 3. Rh2(x)e2#
1. ... a3-a2 2. a4-a5 waiting
2. ... Sg1 ad lib 3. Rh2(x)e2#
1. ... a3-a2 2. Rh2-b2 ad lib 3. Rb2-b5#
1. ... a3-a2 2. Ka1xa2 waiting
2. ... Sg1 ad lib 3. Rh2(x)e2#
