<div class="user_solution"><div>1. Sd5? 1... Kxd5! </div><div>1. Sc4? 1... bxc4! </div><div>1. Sc8? 1... Kd5!</div><div><div>1. Sa8? 1... e6 2. Ke7/e8 Kd5 3. Bd3 Kc6 4. Be4#  But 1... Kd5! </div></div><div><br /></div><div><div><b>1. Ke8!</b> waiting</div><div> 1... e6 2. Sa8 waiting</div><div>    2... Kd5 3. Bd3 waiting</div><div>       3... Kc6 4. Be4#</div></div><div><br /></div><div>* The first moves remove white pieces from the black king</div><br /></div><br />