Monday morning chess tactic Chess tactic, Puzzle Solving White to move. How should White proceed?Source: ChessToday.net Chess Daily News from Susan Polgar
Qe4 suggest itself, to exploit the pin against the a1 rook with a subsequent Rxd4. For example,
Qe4 Qxd6
Rxd4 Rd8
Rxd5 Qxd5
Qxd5 Rxd5
Rc8
Rd1 goes to c1 threatening with mate on C8, which forces black queen to step back on d8, allowing Kb7 and later advance of Rc3 to c7
Rd1 goes to c1 threatening mate on c8. this forces black queen to step back to c8, allowing white Kb7 and later Rc7, freeing the diagonal e1-f5