Problem Display
PID: 213138 (6B1/4Q3/1N6/8/8/2k5/8/2K5 w - - 0 1)

Kardos, Tivadar

Land og Folk, 1974

6B1/4Q3/1N6/8/8/2k5/8/2K5

#2

4 + 1


15148 Sadier Collection 2020
5454 Near Snap 2023

SOLUTION


  • SOUND
  • Tries
    • 1.Qe5+?
      • 1...Kd3
        • 2.Bc4#
        • 2.Bh7#
      • 1...Kb4!
  • Keys
    • 1.Sc4!
      • 1...Kb3
        • 2.Qa3#
      • 1...Kd3
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#

This anticipates 137127(1998)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::QAB1(C)


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).