Solution
1… Rxc5+
The point is that 1… Rxc5+2. bxc5, allows Qa5+, which skewers the white king and will capture the undefended white queen on e1.
Black uses the sacrifice, Rxc5+, to clear the b4-square, which makes the skewer possible.
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1… Rxc5+
The point is that 1… Rxc5+2. bxc5, allows Qa5+, which skewers the white king and will capture the undefended white queen on e1.
Black uses the sacrifice, Rxc5+, to clear the b4-square, which makes the skewer possible.