Problem Display
PID: 127208 (8/1p6/1K3p2/1P1p4/4kP2/3p3Q/3B4/8 w - - 0 1)

Borodin, V

Gorkovskaya Pravda, 1983

8/1p6/1K3p2/1P1p4/4kP2/3p3Q/3B4/8

#3

5 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...d4
      • 2.Qh5
        • 2...f5
          • 3.Qh1#
    • 1...f5
      • 2.Qe3#
  • Tries
    • 1.Kc5?
      • 1...d4
        • 2.Kc4
          • threat
            • 3.Qxd3#
        • 2.b6
          • 2...f5
            • 3.Qg2#
            • 3.Qh1#
      • 1...b6+!
    • 1.Kxb7?
      • 1...d4
        • 2.Kc6
          • 2...f5
            • 3.Qg2#
            • 3.Qh1#
        • 2.Qh5
          • 2...f5
            • 3.Qh1#
      • 1...Kd4!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qe7
          • threat
            • 3.Qb4#
          • 2...Kc4
            • 3.Qb4#
      • 1...Kf3!
    • 1.Qh5?
      • 1...d4
        • 2.Kxb7
          • 2...f5
            • 3.Qh1#
      • 1...f5
        • 2.Qd1
          • 2...Kd4
            • 3.Qa4#
          • 2...d4
            • 3.Qh1#
      • 1...Kd4!
  • Keys
    • 1.Qg4!
      • threat
        • 2.f5+
          • 2...Ke5
            • 3.Qf4#
      • 1...Kd4
        • 2.f5+
          • 2...Ke5
            • 3.Qf4#
      • 1...d4
        • 2.Qh5
          • 2...f5
            • 3.Qh1#
      • 1...f5
        • 2.Qd1
          • 2...Kd4
            • 3.Qa4#
          • 2...d4
            • 3.Qh1#

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).