Problem Display
PID: 232392 (8/8/8/3K1kPQ/8/8/4PB2/8 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1983

8/8/8/3K1kPQ/8/8/4PB2/8

#2

5 + 1


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Kd6?
      • 1...Ke4
        • 2.Qf3#
        • 2.Qg4#
      • 1...Kf4!
    • 1.g6+?
      • 1...Kf4
        • 2.e3#
      • 1...Kf6!
  • Keys
    • 1.Bh4!
      • 1...Kf4
        • 2.Qf3#

FEATURES


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


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).