Problem Display
PID: 166302 (Kb6/3p4/1k6/1NNQ4/P7/4P3/3n1p2/8 w - - 0 1)

Aberman, Victor

Gorbatenko, Yuri Grigorevich

Ivanov, Valery Alekseevich

Kirillov, Valery Afanasievich

2nd Prize, StrateGems, 2016

Kb6/3p4/1k6/1NNQ4/P7/4P3/3n1p2/8

#3

6 + 5


145 StrateGems 2017
56 The Problemist 2017
  • SOUND
  • Sets
    • 1...Sb1
      • 2.Sb3
        • threat
          • 3.Qb7#
        • 2...Ka6
          • 3.Qb7#
    • 1...Sf1
      • 2.Sb3
        • threat
          • 3.Qb7#
        • 2...Ka6
          • 3.Qb7#
    • 1...Sb3
      • 2.Sxb3
        • threat
          • 3.Qb7#
        • 2...Ka6
          • 3.Qb7#
    • 1...Sf3
      • 2.Sb3
        • threat
          • 3.Qb7#
        • 2...Ka6
          • 3.Qb7#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Qb7#
      • 1...Ka6
        • 2.Qb7#
      • 1...Sxb3!
    • 1.Sxd7+?
      • 1...Ka6
        • 2.Sc7+
          • 2...Bxc7
            • 3.Qb5#
      • 1...Ka5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sc8+
          • 2...Ka5
            • 3.Qxd2#
          • 2...Kc7
            • 3.Qxd7#
      • 1...Ka5
        • 2.Sa6+
          • 2...Kxa4
            • 3.Qa2#
          • 2...Kxa6
            • 3.Qb5#
          • 2...Kb6
            • 3.Qb5#
      • 1...Kc7
        • 2.Sa6+
          • 2...Kb6
            • 3.Qb5#
          • 2...Kd8
            • 3.Qg5#
      • 1...Bxd6
        • 2.Qb7+
          • 2...Ka5
            • 3.Qb5#
          • 2...Kxc5
            • 3.Qb5#
      • 1...f1S
        • 2.Sa6
          • threat
            • 3.Qb5#
          • 2...Kxa6
            • 3.Qb5#
      • 1...Bc7
        • 2.Sb3
          • threat
            • 3.Qb7#
            • 3.Qb5#
          • 2...Ka6
            • 3.Qb7#
            • 3.Qb5#
        • 2.Sxd7+
          • 2...Ka6
            • 3.Qb5#
        • 2.Sc8+
          • 2...Ka5
            • 3.Qxd2#
      • 1...Sb1
        • 2.Sc4+
          • 2...Kc7
            • 3.Qxd7#
      • 1...Sf1
        • 2.Sa6
          • threat
            • 3.Qb5#
          • 2...Kxa6
            • 3.Qb5#
        • 2.Sc4+
          • 2...Kc7
            • 3.Qxd7#
      • 1...Sb3
        • 2.Sc4+
          • 2...Kc7
            • 3.Qxd7#
      • 1...Sf3
        • 2.Sc4+
          • 2...Kc7
            • 3.Qxd7#
      • 1...Sc4
        • 2.Sxc4+
          • 2...Kc7
            • 3.Qxd7#
        • 2.Qb7+
          • 2...Ka5
            • 3.Sxc4#
            • 3.Qb5#
          • 2...Kxc5
            • 3.Se4#
      • 1...Se4
        • 2.Sc4+
          • 2...Kc7
            • 3.Qxd7#


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).