Victor Aberman (USA)
 
#3 5+2

 1.Qxd6? + Ke8!
  1.Qb7 + Ke6!

  1.g6! threat
          2.Qxd6 +
              2...Kc8 3.Qc7#
              2...Ke8 3.Qd8/Sf6#

      1...Kc6 2.Sf6 d5 3.Qb6#

      1...Kc8 2.Qb5 d5 3.Sd6#

      1...Ke8 2.Qb7 d5/Kf8 3.Qf7#

      1...Ke6 2.Qxd6+ Kf5 3.Sg3#