Problem Display
PID: 120830 (5K2/2B5/2B1k3/8/8/8/8/2Q5 w - - 0 1)

Prebeshkov, V

Kudesnik, 1991

5K2/2B5/2B1k3/8/8/8/8/2Q5

#2

4 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Kg7?
      • 1...Ke7
        • 2.Qe3#
        • 2.Qe1#
      • 1...Kf5!
  • Keys
    • 1.Be4!
      • threat
        • 2.Qc6#
      • 1...Kf6
        • 2.Qh6#
      • 1...Kd7
        • 2.Bf5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Threat
      • QAR2(A)
    • Vars
      • K(a);P-FLIGHT::QAR2(A)
      • K(a);S_FLIGHT::B(B)


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).