This game was from 2013 in Moscow
It is black to move. How should black proceed?
Caruana - Carlsen
1...Bf2+!!
a) 2. Kxf2 Rc2+!, 3. Ke1 Qg3+, 4. Kd1 Qd3+, 5. Ke1 Qe2#
b) 2. Kh2 Qg3+, 3. Kh1 Rxf1#
c) 2. Kh1 Rxf1+, 3. Kh2 Qg3#
841
8
