Problem Display
PID: 12465 (8/5P2/4k1B1/1Q6/1K6/8/8/8 w - - 0 1)

Abdurahmanovic, Fadil

The Problemist, 1979

8/5P2/4k1B1/1Q6/1K6/8/8/8

#2

4 + 1


15148 Sadier Collection 2014
5454 Near Snap 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Ke7
        • 2.f8Q#
      • 1...Kd6!
  • Keys
    • 1.f8B!
      • 1...Kf6
        • 2.Qf5#

Anticipated by 6163(1927)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(a);P-FLIGHT::QAR1(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).