Problem Display
PID: 261808 (2b5/2Nr1p1n/2P2p2/3p1p1K/7Q/2pkp1P1/2RpR3/3Bb1N1 w - - 0 1)

Feoktistov, Aleksandr Fedorovich

Sp. Prize, Atayants-60 JT (SuperProblem), 2014

2b5/2Nr1p1n/2P2p2/3p1p1K/7Q/2pkp1P1/2RpR3/3Bb1N1

#3

9 + 12


SOLUTION


  • SOUND
  • Tries
    • 1.Sb5?
      • threat
        • 2.Rxc3#
        • 2.Qd4#
      • 1...f4
        • 2.Rxc3+
          • 2...Ke4
            • 3.Qxf4#
      • 1...d4!
    • 1.Qf4?
      • threat
        • 2.Rxe3#
      • 1...d4
        • 2.Qxf5+
          • 2...Kc4
            • 3.Qb5#
      • 1...Re7
        • 2.Sb5
          • threat
            • 3.Rxc3#
            • 3.Qd4#
          • 2...d4
            • 3.Qxd4#
      • 1...Bf2!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Ra2
          • threat
            • 3.Bc2#
          • 2...c2
            • 3.Ra3#
      • 1...d4
        • 2.Rxc3+
          • 2...Kxc3
            • 3.Qb3#
          • 2...Ke4
            • 3.Rexe3#
            • 3.Rcxe3#
          • 2...dxc3
            • 3.Bc2#
      • 1...Bf2
        • 2.Rxe3+
          • 2...Kxe3
            • 3.Rxc3#
          • 2...Bxe3
            • 3.Be2#
      • 1...Ba6
        • 2.Sxa6
          • threat
            • 3.Sc5#

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).