CHESS SOLUTION:
1 Rxd5 ! does the trick A: 1…cd; 2 Qe8 +, Rf8; 3 Bxd5 +, Kh7; 4 Qe7 +, and mate next move B: 1…Qxc4; 2 Qe8 +, 1 – 0 Mate follows after both 2…Rf8; 3 Qxg6 #, and 2…Kh7; 3 Qh8 #
1 Rxd5 ! does the trick A: 1…cd; 2 Qe8 +, Rf8; 3 Bxd5 +, Kh7; 4 Qe7 +, and mate next move B: 1…Qxc4; 2 Qe8 +, 1 – 0 Mate follows after both 2…Rf8; 3 Qxg6 #, and 2…Kh7; 3 Qh8 #