<div class='user_solution'>1.be3? - ka3! <br />1.kc2? - ka5!<br /><br />1.bd4! (-2.ra7 ka4 3.hc6, hb7, kc3...) <br />1...ka4! 2.kc2 ka5 3.kc3 (-4.ra7) b4+ 4.kc4 b3 5.ra7#, <br />2...c3 3.bc5 b4 (3...ka5? 4.ra7#) 4.hb3 ka3 5.ra7#, <br />2...b4 3.hc4 b3+ 4.kc3 b2 5.rb4#, <br />2...kb4, ka3? 3.hc6... (#4) <br />1...c3+ 2.kc2 (-3.ra7 ka4,ka3 4.hc6#) ka4 3.bc5 b4 4.hb3 ka3 5.ra7#,<br />2...ka5 3.kc3( kb3) b4+ 4.kc4 b3 5.ra7#<br />2...ka3? 3.hc6 ... (#4) <br /><br /><br /><br /><br /></div>