Problem Display
PID: 278089 (N7/n7/2pB4/1b4P1/3k4/5Qp1/P7/KN6 w - - 0 1)

Makaronets, Leonid

Phenix, 2007

N7/n7/2pB4/1b4P1/3k4/5Qp1/P7/KN6

#3

7 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qe4#
  • Tries
    • 1.Sd2?
      • threat
        • 2.Sb3+
          • 2...Kc4
            • 3.Sb6#
        • 2.Qe4+
          • 2...Kc3
            • 3.Sb1#
            • 3.Bb4#
      • 1...Bf1
        • 2.Qe4+
          • 2...Kc3
            • 3.Sb1#
            • 3.Bb4#
      • 1...Be2
        • 2.Qe4+
          • 2...Kc3
            • 3.Sb1#
            • 3.Bb4#
      • 1...Ba4
        • 2.Qe4+
          • 2...Kc3
            • 3.Sb1#
            • 3.Bb4#
      • 1...Bc4
        • 2.Qe4+
          • 2...Kc3
            • 3.Sb1#
      • 1...Ba6
        • 2.Qe4+
          • 2...Kc3
            • 3.Sb1#
            • 3.Bb4#
      • 1...Sc8
        • 2.Qe4+
          • 2...Kc3
            • 3.Sb1#
            • 3.Bb4#
      • 1...c5
        • 2.Qe4+
          • 2...Kc3
            • 3.Sb1#
      • 1...Bd3!
    • 1.Qc3+?
      • 1...Kd5
        • 2.Qe5+
          • 2...Kc4
            • 3.Qe4#
      • 1...Ke4!
    • 1.Qe3+?
      • 1...Kd5
        • 2.Qe5+
          • 2...Kc4
            • 3.Qe4#
      • 1...Kxe3!
    • 1.Qf4+?
      • 1...Kd5
        • 2.Sc7#
      • 1...Kd3!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qe4+
          • 2...Kxc3
            • 3.Bb4#
      • 1...Kc4
        • 2.Kb2
          • threat
            • 3.Qe4#
          • 2...Kd4
            • 3.Qe4#
        • 2.Qe4+
          • 2...Kxc3
            • 3.Bb4#
      • 1...Bd3
        • 2.Qf6+
          • 2...Ke3
            • 3.Qf4#
          • 2...Kc4
            • 3.Sb6#
      • 1...Bc4
        • 2.Be5+
          • 2...Kc5
            • 3.Qf8#
          • 2...Kxe5
            • 3.Qf6#
      • 1...c5
        • 2.Be5+
          • 2...Kc4
            • 3.Qe4#
          • 2...Kxe5
            • 3.Qf6#

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).