<div class='user_solution'> <span style="color: rgb(51, 51, 51); font-family: Tahoma, Verdana, Arial; font-size: 11px; line-height: normal; background-color: rgb(255, 255, 255);">(position A1)</span>1.Bg1(f2,e3,c5,b6,a7)? <div>1...b1Q 2.Bd4+ Qb2 <span style="color: rgb(51, 51, 51); font-family: Tahoma, Verdana, Arial; font-size: 11px; line-height: normal; background-color: rgb(255, 255, 255);">(position A2)</span><span style="color: rgb(51, 51, 51); font-family: Tahoma, Verdana, Arial; font-size: 11px; line-height: normal; background-color: rgb(255, 255, 255);"> </span>3.d8Q Q:d4+ 4.Q:d4#</div><div>1...b1R!<br /><div>1.d8Q? pat</div><div><span style="color: rgb(51, 51, 51); font-family: Tahoma, Verdana, Arial; font-size: 11px; line-height: normal; background-color: rgb(255, 255, 255);">(position A1)</span><span style="color: rgb(51, 51, 51); font-family: Tahoma, Verdana, Arial; font-size: 11px; line-height: normal; background-color: rgb(255, 255, 255);"> </span>1.Kc3!</div><div>1...b1Q 2.Kc4+ Qb2 <span style="color: rgb(51, 51, 51); font-family: Tahoma, Verdana, Arial; font-size: 11px; line-height: normal; background-color: rgb(255, 255, 255);">(position A2)</span><span style="color: rgb(51, 51, 51); font-family: Tahoma, Verdana, Arial; font-size: 11px; line-height: normal; background-color: rgb(255, 255, 255);"> </span>3.d8Q Q:d4+ 4.Q:d4#</div><div>1...b1R 2.Kc2+ Rb2 3.B:b2+ ab 4.Nb3#<br /><br /></div><br /></div><br /></div>