Problem Display
PID: 98866 (Q1B3b1/2p3K1/2Np2p1/Pn1k2p1/PPp3p1/2p5/3PPP1P/8 w - - 0 1)

Stoyanov, Kiril N

Problemas, 1964

Q1B3b1/2p3K1/2Np2p1/Pn1k2p1/PPp3p1/2p5/3PPP1P/8

#3

11 + 10


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sd4
      • 2.Se7+
        • 2...Ke5
          • 3.Sxg6#
    • 1...g3
      • 2.f3
        • threat
          • 3.e4#
  • Tries
    • 1.Qa7?
      • threat
        • 2.Se7+
          • 2...Ke4
            • 3.Qe3#
          • 2...Ke5
            • 3.Qe3#
        • 2.axb5
          • threat
            • 3.Qd4#
          • 2...Ke4
            • 3.Qd4#
      • 1...Ke4
        • 2.Qe3+
          • 2...Kd5
            • 3.Se7#
      • 1...cxd2
        • 2.Se7+
          • 2...Ke4
            • 3.Qe3#
          • 2...Ke5
            • 3.Qe3#
      • 1...Be6
        • 2.Se7+
          • 2...Ke4
            • 3.Qe3#
          • 2...Ke5
            • 3.Qe3#
      • 1...Sa3
        • 2.Se7+
          • 2...Ke4
            • 3.Qe3#
          • 2...Ke5
            • 3.Qe3#
      • 1...Sd4
        • 2.Qxd4+
          • 2...Kxc6
            • 3.b5#
      • 1...Sxa7!
  • Keys
    • 1.Bxg4!
      • threat
        • 2.Bf3+
          • 2...Ke6
            • 3.Qc8#
        • 2.Qe8
          • threat
            • 3.Bf3#
            • 3.e4#
        • 2.f3
          • threat
            • 3.e4#
      • 1...Ke4
        • 2.f3+
          • 2...Kf4
            • 3.e3#
          • 2...Kd5
            • 3.e4#
      • 1...cxd2
        • 2.Bf3+
          • 2...Ke6
            • 3.Qc8#
      • 1...Bf7
        • 2.Bf3+
          • 2...Ke6
            • 3.Qc8#
        • 2.f3
          • threat
            • 3.e4#
      • 1...Sd4
        • 2.Se7+
          • 2...Ke5
            • 3.Sxg6#
      • 1...Sa7
        • 2.Qxg8+
          • 2...Ke4
            • 3.Qxc4#
          • 2...Kxc6
            • 3.Qa8#
      • 1...c2
        • 2.Bf3+
          • 2...Ke6
            • 3.Qc8#

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).