<div class='user_solution'><div>1. Be6? waiting</div><div> 1... dxe6 2. Rc8 waiting</div><div>    2... exd5 3. Rc2 ad lib 4. Rf2#</div><div>    2... exd5 3. Rc1 ad lib 4. Kd2#</div><div>    2... exd5 3. Kd2 ad lib 4. Rc1#</div><div> 1... dxe6 2. Kd2 waiting</div><div>    2... exd5 3. Rc8 ad lib 4. Rc1#</div><div>  But 1... d6! </div><div><br /></div><div><div><b>1. Ra8!</b> waiting</div><div> 1... d6 2. Ra6 waiting</div><div>    2... bxa6 3. Bd7 waiting</div><div>       3... axb5 4. Bxb5#</div></div><br /></div>