Problem Display
PID: 168131 (2n1n1N1/3b3q/2prpR2/K1k2rp1/2ppRpp1/5P2/1BB3PQ/8 w - - 0 1)

Kostylev, Mikhail Romanovich

Melnichuk, Aleksandr Nikolaevich

StrateGems, 2017

2n1n1N1/3b3q/2prpR2/K1k2rp1/2ppRpp1/5P2/1BB3PQ/8

#4

9 + 14


SOLUTION


  • SOUND
  • Keys
    • 1.Re2!
      • threat
        • 2.Ba3+
          • 2...Kd5
            • 3.Be4+
              • 3...Ke5
                • 4.Bxc6#
      • 1...Qxg8
        • 2.Rxf5+
          • 2...exf5
            • 3.Re5+
              • 3...Qd5
                • 4.Ba3#
              • 3...Rd5
                • 4.Ba3#
          • 2...e5
            • 3.Ba3+
              • 3...Kd5
                • 4.Rexe5#
                • 4.Rfxe5#
            • 3.Rexe5+
              • 3...Qd5
                • 4.Ba3#
              • 3...Rd5
                • 4.Ba3#
            • 3.Rfxe5+
              • 3...Qd5
                • 4.Ba3#
              • 3...Rd5
                • 4.Ba3#
      • 1...Sxf6
        • 2.Re5+
          • 2...Rxe5
            • 3.Ba3+
              • 3...Kd5
                • 4.Sxf6#
      • 1...gxf3
        • 2.Ba3+
          • 2...Kd5
            • 3.Be4+
              • 3...Ke5
                • 4.Bxf3#
      • 1...c3
        • 2.Bb3
          • threat
            • 3.Ba3#
          • 2...d3
            • 3.Qg1+
              • 3...Rd4
                • 4.Ba3#

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).