Problem Display
PID: 163967 (2N1N1Kb/3p4/1qpR2p1/2p1k3/n1pp2B1/8/4P1P1/2B5 w - - 0 1)

Kostylev, Mikhail Romanovich

Melnichuk, Aleksandr Nikolaevich

StrateGems, 2014

2N1N1Kb/3p4/1qpR2p1/2p1k3/n1pp2B1/8/4P1P1/2B5

#4

8 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Se7!
      • threat
        • 2.Sxg6+
          • 2...Ke4
            • 3.Bf3+
              • 3...Kf5
                • 4.g4#
      • 1...Ke4
        • 2.Bf3+
          • 2...Ke5
            • 3.Sxg6+
              • 3...Kf5
                • 4.g4#
      • 1...Qb1
        • 2.Sxc6+
          • 2...Ke4
            • 3.Bf3+
              • 3...Kf5
                • 4.g4#
          • 2...dxc6
            • 3.Re6+
              • 3...Kd5
                • 4.Sc7#
      • 1...Qb3
        • 2.Rd5+
          • 2...cxd5
            • 3.Sxg6+
              • 3...Ke4
                • 4.Sd6#
      • 1...Bg7
        • 2.Sxg6+
          • 2...Ke4
            • 3.Bf3+
              • 3...Kf5
                • 4.Sxg7#
                • 4.g4#
      • 1...d3
        • 2.Sxg6+
          • 2...Ke4
            • 3.Bf3+
              • 3...Kf5
                • 4.e4#
                • 4.g4#
      • 1...g5
        • 2.Sg6+
          • 2...Ke4
            • 3.Bf3+
              • 3...Kf5
                • 4.g4#

FEATURES


NOT CLASSIFIED


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).