Problem Display
PID: 85186 (qb6/2p4K/p3Q1pB/2p1N2p/3kP3/n1N1p3/1P1pp3/2n4b w - - 0 1)

Makaronets, Leonid

Probleemblad, 1993

qb6/2p4K/p3Q1pB/2p1N2p/3kP3/n1N1p3/1P1pp3/2n4b

#3

7 + 14


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qxd5#
    • 1...Qa7
      • 2.Qd5#
    • 1...Sd3
      • 2.Sc6+
        • 2...Qxc6
          • 3.Sxe2#
  • Tries
    • 1.Qd7+?
      • 1...Qd5
        • 2.Qxd5#
      • 1...Kxe5!
    • 1.Qd6+?
      • 1...Qd5
        • 2.Qxd5#
      • 1...cxd6!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Qd7+
          • 2...Qd5
            • 3.Qxd5#
      • 1...Qxe4
        • 2.Sf3+
          • 2...Kd3
            • 3.Qxe4#
      • 1...Bxe4
        • 2.Sc6+
          • 2...Kd3
            • 3.Qxe4#
      • 1...c4
        • 2.Sc6+
          • 2...Kd3
            • 3.Sb4#
          • 2...Kc5
            • 3.Bd4#
      • 1...Qc6
        • 2.Qxc6
          • threat
            • 3.Qd5#
            • 3.Qd7#
          • 2...Bxe4
            • 3.Qxe4#
      • 1...Qb7
        • 2.Qd7+
          • 2...Qd5
            • 3.Qxd5#
      • 1...c6
        • 2.Qd7+
          • 2...Bd6
            • 3.Qxd6#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).