Problem Display
PID: 163829 (qbBR1K2/1pPNp3/n3kp2/1p1p1p2/4r1n1/B1R5/2P2P2/3r3b w - - 0 1)

Kostylev, Mikhail Romanovich

Melnichuk, Aleksandr Nikolaevich

Comm., StrateGems, 2014

qbBR1K2/1pPNp3/n3kp2/1p1p1p2/4r1n1/B1R5/2P2P2/3r3b

#4

9 + 14


145 StrateGems 2016

SOLUTION


  • SOUND
  • Keys
    • 1.Bb2!
      • threat
        • 2.Rc6+
          • 2...bxc6
            • 3.Sc5#
            • 3.Se5#
            • 3.Sb6#
            • 3.Sxf6#
            • 3.Sxb8#
      • 1...Kd6
        • 2.Sxf6+
          • 2...Ke5
            • 3.Rf3+
              • 3...Rdd4
                • 4.Rxf5#
              • 3...Red4
                • 4.Rxf5#
              • 3...d4
                • 4.Rxf5#
      • 1...d4
        • 2.Sb6+
          • 2...Ke5
            • 3.Rd5+
              • 3...Kf4
                • 4.Rxf5#
      • 1...f4
        • 2.Sb6+
          • 2...Ke5
            • 3.Re3+
              • 3...Rd4
                • 4.Rxd5#
              • 3...d4
                • 4.Rd5#
      • 1...Rdd4
        • 2.Rc6+
          • 2...bxc6
            • 3.Sc5+
              • 3...Ke5
                • 4.Sd3#
      • 1...Rc4
        • 2.Sc5+
          • 2...Ke5
            • 3.Re3+
              • 3...Kf4
                • 4.Se6#
      • 1...Red4
        • 2.f4
          • threat
            • 3.Sc5#
            • 3.Se5#
            • 3.Sb6#
            • 3.Sxb8#
          • 2...Rxf4
            • 3.Sc5+
              • 3...Ke5
                • 4.Re3#
            • 3.Se5+
              • 3...Kxe5
                • 4.Re3#
            • 3.Sb6+
              • 3...Ke5
                • 4.Re3#
            • 3.Sxb8+
              • 3...Ke5
                • 4.Re3#
            • 3.Rc6+
              • 3...bxc6
                • 4.Sc5#
                • 4.Se5#
                • 4.Sb6#
                • 4.Sxf6#
                • 4.Sxb8#
      • 1...Sc5
        • 2.Sxc5+
          • 2...Ke5
            • 3.Rf3+
              • 3...Rdd4
                • 4.Sd3#
                • 4.Rxf5#
              • 3...Red4
                • 4.Rxf5#
              • 3...d4
                • 4.Rxf5#

FEATURES


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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).