White is Bruzon and it is his turn to move. He has sacrificed a lot of materials to create a lethal attack. How should he continue? 
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1. Rb5 Qb5
2. Qa8+ Kd7
3. Qa7+
and now
3..Ke8 4 Qe7 #
3..Kc8 4 Qc7 #
3. Kc6 4 Qc7 #
3..Nb7 4 ab +- with a huge adv
samikid has the right idea after 1…Qb5, but I’m too tired tonight to work out 1…Qc6 giving back some material and offering a queen exchange instead. I looked at a few lines but it’s complicated. Good luck to those with more energy and ambition tonight.
Chesstraveler, 1..Qc6 loses to 2.Rc5
1. Rxb5 Qxb5 (The queen must take! Otherwise, it will be lost at the next move or some moves later)
2. Qa8+ Kd7
3. Qxa7+ …
if 3. … Kc8 then 4. Qc7#
if 3. … Ke8 then 4. Qe7#
Good Day!
Hi Susan
1. Rxb5, Qxb5[as ChessTraveler he said 1. …, Qc6 2. Rc5 it’s mate in few moves; and if 1. …, Qxa6 2. Rc5, Kd7 (2. …, Nc6 3. Rxc6, Kd8 4. Rxh6 with mate in four moves)3. Rc7, Ke8 4. Re7, Kf8 5. Nxe6, Kg8(5. …, Nxe6 6. Qa8, Qc8 7. Qxc8, Nd8 8. Qxd8# Mate)6. Nxd8, Nf6 7. Qa8, Qc6 8. Qxc6 with mate in few moves]
2. Qa8, Kd7( 2. …, Qb8 3. Qxb8, Kd7 4. Qb7, Ke8 5. Qe7# Mate)
3. Qxa7, Nb7[if 3. …, Kc6 4. Qc7# Mate; 3. …, Ke8 4. Qe7# Mate; lastly if 3. …, Qb7 4. axb7, Ke8 5. b8=Q, Rh7 6. Qxh7, Rg7 7. Qxg7 and mate in the next move]
4. axb7, Rb8
5. Qxb8, Qc6
6. Kg1 seguido de Qa6, b8=Q and mate in few moves
Good day
samikd, I looked at 1…Rc5 and saw I would get an advantage but I wanted to show the entire line(s)and was just too tired to work it all out. I would have liked to do the kind of analysis that evmgdm did.