Solution...White starts by pinning the pawn: 1. Qh7 Kb2 2. Qh2 Kb1 (or Ka1 or Kc1) 3. Kxb3 is a win. If 3... c1=Q then 4. Qa2#, so if 3... c1=N+ 4. Kxb4 is an easy win. If 2... Ka3 or 2... Ka2 then 3. Qd2 and pawns will start falling.After 1. Qh7 b2 2. Kb3 Ka1!? 3. Qa7+ Kb1 4. Qa2+ wins.
Solution...
ReplyDeleteWhite starts by pinning the pawn: 1. Qh7 Kb2 2. Qh2 Kb1 (or Ka1 or Kc1) 3. Kxb3 is a win. If 3... c1=Q then 4. Qa2#, so if 3... c1=N+ 4. Kxb4 is an easy win. If 2... Ka3 or 2... Ka2 then 3. Qd2 and pawns will start falling.
After 1. Qh7 b2 2. Kb3 Ka1!? 3. Qa7+ Kb1 4. Qa2+ wins.