Problem Display
PID: 153437 (K7/6B1/2pNp3/3k4/pQ1p4/1n1p4/5R2/7b w - - 0 1)

Velikhanov, Kenan

StrateGems, 2012

K7/6B1/2pNp3/3k4/pQ1p4/1n1p4/5R2/7b

#3

5 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Sa1
      • 2.Qxd4#
    • 1...Sc1
      • 2.Qxd4#
    • 1...Sd2
      • 2.Qxd4#
    • 1...Sa5
      • 2.Qxd4#
    • 1...Sc5
      • 2.Qxd4#
  • Tries
    • 1.Rf5+?
      • 1...e5
        • 2.Rxe5#
      • 1...exf5!
    • 1.Rf8?
      • threat
        • 2.Rd8
          • threat
            • 3.Qc4#
          • 2...c5
            • 3.Qb7#
          • 2...Sd2
            • 3.Qxd4#
          • 2...Sa5
            • 3.Qxd4#
      • 1...c5
        • 2.Qb7+
          • 2...Kxd6
            • 3.Rd8#
      • 1...Be4
        • 2.Rd8
          • threat
            • 3.Sc4#
            • 3.Sb5#
            • 3.Sf5#
            • 3.Sb7#
            • 3.Sf7#
            • 3.Sc8#
            • 3.Se8#
            • 3.Qc4#
          • 2...c5
            • 3.Qb7#
      • 1...d2
        • 2.Rd8
          • threat
            • 3.Qc4#
          • 2...c5
            • 3.Qb7#
          • 2...Sa5
            • 3.Qxd4#
      • 1...e5!
  • Keys
    • 1.Rf7!
      • threat
        • 2.Rd7
          • threat
            • 3.Qc4#
          • 2...c5
            • 3.Qb7#
          • 2...Sd2
            • 3.Qxd4#
          • 2...Sa5
            • 3.Qxd4#
      • 1...c5
        • 2.Qb7+
          • 2...Kxd6
            • 3.Rd7#
      • 1...e5
        • 2.Qc4+
          • 2...Kxd6
            • 3.Bf8#
      • 1...Be4
        • 2.Rd7
          • threat
            • 3.Sc4#
            • 3.Sb5#
            • 3.Sf5#
            • 3.Sb7#
            • 3.Sf7#
            • 3.Sc8#
            • 3.Se8#
            • 3.Qc4#
          • 2...c5
            • 3.Qb7#
      • 1...d2
        • 2.Rd7
          • threat
            • 3.Qc4#
          • 2...c5
            • 3.Qb7#
          • 2...Sa5
            • 3.Qxd4#

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).