White to move. What is the best continuation for White?
5q1r/2Q1bpk1/2B2p1p/p2R1P1P/1pp5/1P6/1KP5/8 w – – 0 1
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1-Td7.Bd8 2-Dg3+.Rh7 3-Dg6 ++
I think Rd7 is the move
Rd7 Bd8
Qg3 Kh7
Qg6++
Well, the mate in 3-4 moves looks enivitable at first glance, but black has a huge improvement here:
1. Rd7 c3+
2. Ka2 Kh7!! (Bd8 Qg3+ Kh7 Qg6#)
This bishop sacking move looks stupid, but isn’t.
3. Rxe7 Rg8
4. Rxf7+ Rg7
5. Rxf8 Rxc7
6. Be8 (enforced to defend f+h pawns) Re7
7. Bg6+ Kg7
8. Ra1 Re5
and though white is up with bishop for a pawn, this looks much like a draw to me, since the bishop is basically of wrong colour.
Alternatively, white deviates from Rxf7 to keep queens on bord, now white is only up with B vs. 2 pawns, a long game will still follow.