Problem Display
PID: 163280 (2k5/p4p2/b3p1n1/B1K1N3/8/7R/8/1Q6 w - - 0 1)

Kharchisin, Nikolai

StrateGems, 2013

2k5/p4p2/b3p1n1/B1K1N3/8/7R/8/1Q6

#3

5 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Bd3
      • 2.Rxd3
        • threat
          • 3.Rd8#
    • 1...Sf4
      • 2.Rh8#
    • 1...Se7
      • 2.Rh8+
        • 2...Sg8
          • 3.Rxg8#
    • 1...Sh8
      • 2.Rxh8#
  • Tries
    • 1.Rd3?
      • threat
        • 2.Rd8#
      • 1...Bb5
        • 2.Rd8+
          • 2...Kb7
            • 3.Qxb5#
        • 2.Qxb5
          • threat
            • 3.Rd8#
      • 1...Bxd3!
    • 1.Rh8+?
      • 1...Sf8
        • 2.Rxf8#
      • 1...Sxh8!
    • 1.Qe4?
      • threat
        • 2.Qa8#
      • 1...Kb8
        • 2.Sd7+
          • 2...Kc8
            • 3.Qc6#
      • 1...Sxe5
        • 2.Qa8+
          • 2...Kd7
            • 3.Qd8#
      • 1...Bb7!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qa8#
      • 1...Kb8
        • 2.Sd7+
          • 2...Kc8
            • 3.Qc6#
      • 1...Sxe5
        • 2.Qa8+
          • 2...Kd7
            • 3.Qd8#
      • 1...Bb7
        • 2.Rh8+
          • 2...Sf8
            • 3.Rxf8#
          • 2...Sxh8
            • 3.Qxh8#

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).