Problem Display
PID: 201782 (7Q/8/8/8/2p5/2Kp4/8/k7 w - - 0 1)

Zuncke, Klaus-Peter

Land og Folk, 1978

7Q/8/8/8/2p5/2Kp4/8/k7

#2

2 + 3


15148 Sadier Collection 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Qh2?
      • threat
        • 2.Qb2#
      • 1...Kb1
        • 2.Qb2#
      • 1...d2!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • P(b);
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • 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).