Rc8, Rxc8, Qxc8
Forced Mate In Two (2)- White To Move
First one, 1.Qc4+ Kh8 2. Qc8#
Second one, 1.Rg8+ Kxg8 2.Rg1#
Third one isn't in two moves
Fourth one isn't in two moves
Fifth one 1.Bb5+ 2. c6 2.Re7#
Sixth one is actually a mate in three: 1.Rd1+ Rxd1 2.Rxd1+ Kh2 3. Qh4#
put the notation and share your thoughts!
e.g: 1.Rc8+ Rxc8
2.Qxc8#.
Enjoy! -Apsd1109