<div class="user_solution"><div style="line-height: 16px;">1.Sf3+? [A] Kxd5 2.Qd1#,1...exf3!</div><div style="line-height: 16px;">1.Sxc4+? [B] Kxd5!</div><div style="line-height: 16px;">1.Qa5? (2.Sxc4# [B]),1...cxd5 2.Qc7#,1...c5!</div><div style="line-height: 16px;">1.Qd1? (2.Sxc4# [B]),1...Kxd5 2.Sf3# [A],1...cxd5!</div><div style="line-height: 16px;"><b>1.Qe1!</b> (2.Qxe4#),</div><div style="line-height: 16px;">1...cxd5 2.Sf3# [A],1...e3 2.Sxc4# [B].</div><div><div>Sxc4  shows up as first move,threat and mate in variation,while Sf3 acts as first move and mate in variation; </div><div>Qd1 - first move and mate in variation; </div><div>black moves cxd5 and Kxd5 show up as defences and a refutation,respectively. </div><div>New 'twist' in reversal themes.</div></div><br /></div><br />