Problem Display
PID: 170875 (6B1/4p3/2PpP3/N1k2pB1/PR3P2/pP6/K2P4/8 w - - 0 1)

Derevchuk, Oleksandr Andrinovich

StrateGems, 2017

6B1/4p3/2PpP3/N1k2pB1/PR3P2/pP6/K2P4/8

#3

11 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kxb4
      • 2.Sb7
        • 2...d5
          • 3.Bxe7#
    • 1...d5
      • 2.Bxe7#
  • Tries
    • 1.Kxa3?
      • 1...d5
        • 2.Bxe7#
      • 1...Kd5!
    • 1.Bh4?
      • 1...Kxb4
        • 2.Sb7
          • 2...d5
            • 3.Bxe7#
      • 1...Kd5!
    • 1.Bxe7?
      • 1...Kd5
        • 2.Bf6
          • 2...Kc5
            • 3.Rb5#
      • 1...Kxb4!
    • 1.Bf7?
      • 1...Kxb4
        • 2.Sb7
          • 2...d5
            • 3.Bxe7#
      • 1...Kd5!
    • 1.Rc4+?
      • 1...Kd5
        • 2.Bf6
          • 2...exf6
            • 3.e7#
        • 2.Bh7
          • 2...Kxe6
            • 3.Bg8#
      • 1...Kb6!
    • 1.c7?
      • threat
        • 2.c8Q+
          • 2...Kxb4
            • 3.Qc3#
          • 2...Kd5
            • 3.Qc4#
            • 3.Qc6#
      • 1...Kxb4
        • 2.Sb7
          • 2...d5
            • 3.Bxe7#
      • 1...Kd5!
  • Keys
    • 1.Bh7!
      • 1...Kxb4
        • 2.Sb7
          • 2...d5
            • 3.Bxe7#
      • 1...Kd5
        • 2.Rc4
          • 2...Kxe6
            • 3.Bg8#

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).