<div class='user_solution'>1.Rcd6? (2.Sac4#),1...cxd4! (a),<div>1.Bd3? (2.Rd5#),1...Qxd4! (b),</div><div>1.gxf4+? gxf4 2.Se~#,1...Kxd4! (c).</div><div><b>1.Bg2!</b> (2.Rd5#),</div><div>1...cxd4 (a) 2.Sac4#,</div><div>1...Qxd4 (b) 2.Sec4# ,</div><div>1...Kxd4 (c) 2.Qc3#.</div><div>(1...Qxe3+ 2.Qxe3#)</div><div>Same square refutations become defenses in solution.</div><div><br /></div><br /></div>