Problem Display
PID: 141632 (8/Qbk2Np1/1p1p4/1P2pBp1/p2Pp3/KP1Pp3/2P1P3/2R5 w - - 0 1)

Pitkanen, Jorma

The Problemist, 2011

8/Qbk2Np1/1p1p4/1P2pBp1/p2Pp3/KP1Pp3/2P1P3/2R5

#3

11 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...axb3
      • 2.cxb3#
    • 1...exd3
      • 2.cxd3#
    • 1...exd4
      • 2.c3
        • threat
          • 3.cxd4#
        • 2...dxc3
          • 3.Rxc3#
    • 1...d5
      • 2.c4
        • threat
          • 3.cxd5#
        • 2...dxc4
          • 3.Rxc4#
  • Tries
    • 1.Sd8?
      • threat
        • 2.Sc6
          • threat
            • 3.Qb8#
        • 2.Qxb7+
          • 2...Kxd8
            • 3.Qd7#
      • 1...d5
        • 2.Sc6
          • threat
            • 3.Qb8#
          • 2...Kd6
            • 3.Qb8#
        • 2.Qxb7+
          • 2...Kd6
            • 3.Sf7#
            • 3.Qd7#
          • 2...Kxd8
            • 3.Qd7#
      • 1...g6
        • 2.Qxb7+
          • 2...Kxd8
            • 3.Qd7#
      • 1...Kxd8!
    • 1.Qxb6+?
      • 1...Kb8
        • 2.Sxd6
          • threat
            • 3.Qxb7#
          • 2...Ka8
            • 3.Qxb7#
        • 2.Sd8
          • threat
            • 3.Qxb7#
          • 2...Ka8
            • 3.Qxb7#
        • 2.Bc8
          • threat
            • 3.Qxb7#
          • 2...Ka8
            • 3.Qxb7#
          • 2...Kxc8
            • 3.Qd8#
      • 1...Kxb6!
    • 1.Qa8?
      • threat
        • 2.Qd8#
      • 1...Ba6
        • 2.bxa6
          • threat
            • 3.Qb7#
            • 3.Qc8#
      • 1...Bxa8!
    • 1.d5?
      • 1...g6
        • 2.Bg4
          • 2...axb3
            • 3.cxb3#
          • 2...exd3
            • 3.cxd3#
      • 1...g4!
  • Keys
    • 1.Bg4!
      • 1...exd4
        • 2.c3
          • threat
            • 3.cxd4#
          • 2...dxc3
            • 3.Rxc3#
      • 1...d5
        • 2.c4
          • threat
            • 3.cxd5#
          • 2...dxc4
            • 3.Rxc4#
      • 1...g6
        • 2.d5
          • 2...axb3
            • 3.cxb3#
          • 2...exd3
            • 3.cxd3#

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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).