Problem Display
PID: 130050 (8/8/3P3P/P2k3p/p1N1N2Q/2P4P/2P5/7K w - - 0 1)

Kobets, Vasily Dimitrevich

Mazel, Isaak Yakovlevich

64 Shakhmatnoe obozrenie, 1926

8/8/3P3P/P2k3p/p1N1N2Q/2P4P/2P5/7K

#3

10 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Qg5
        • threat
          • 3.Qc5#
      • 2.Qxh5
        • 2...a3
          • 3.Qc5#
  • Tries
    • 1.Qe7?
      • threat
        • 2.Sb6+
          • 2...Kc6
            • 3.Qd7#
        • 2.Qe8
          • threat
            • 3.Se3#
            • 3.Sb6#
          • 2...Kxc4
            • 3.Qc6#
      • 1...Kxc4
        • 2.Qg5
          • threat
            • 3.Qc5#
        • 2.Qe5
          • threat
            • 3.Sd2#
            • 3.Qc5#
        • 2.Qb7
          • threat
            • 3.Qc6#
      • 1...Kc6!
    • 1.Qxh5+?
      • 1...Kxe4
        • 2.Kg2
          • threat
            • 3.Qf3#
            • 3.Qe5#
          • 2...Kf4
            • 3.Qg4#
            • 3.Qe5#
        • 2.Qe5+
          • 2...Kf3
            • 3.Qe3#
        • 2.Qg5
          • threat
            • 3.Sd2#
          • 2...Kf3
            • 3.Qe3#
      • 1...Ke6
        • 2.Sb6
          • 2...a3
            • 3.Qd5#
      • 1...Kc6!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qe8
          • threat
            • 3.Se3#
            • 3.Sb6#
          • 2...Kxc4
            • 3.Qc6#
      • 1...Kxc4
        • 2.Qg5
          • threat
            • 3.Qc5#
      • 1...Kxe4
        • 2.Qg5
          • threat
            • 3.Sd2#
          • 2...Kf3
            • 3.Qe3#
      • 1...Kc6
        • 2.Qa8+
          • 2...Kb5
            • 3.Sa3#
          • 2...Kd7
            • 3.Sc5#
      • 1...Ke6
        • 2.Qc8+
          • 2...Kd5
            • 3.Sf6#
          • 2...Kf7
            • 3.Se5#

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).