1. Bb1 a2 Ra2 a3 Ra3 a4 Ra4 a5 Ra5 a6 Be4#
2. Rb1 Ka7 Rb6 Ka8 Kd2 Ka7 Kc3 Ka8 Kc4 Ka7 Kc5 Ka8 Kc6 Ka7 Kc7 Ka8 Ra8+ Ka7 Rc8 Ka6 Ra8#
1. Bb1 a2 Ra2 a3 Ra3 a4 Ra4 a5 Ra5 a6 Be4#
2. Rb1 Ka7 Rb6 Ka8 Kd2 Ka7 Kc3 Ka8 Kc4 Ka7 Kc5 Ka8 Kc6 Ka7 Kc7 Ka8 Ra8+ Ka7 Rc8 Ka6 Ra8#
Here are some puzzles with silly positions. Try solving them and paste the answers in the comments.
And another one:
Enjoy!