MESON Chess Problem Database

Problem Display
PID: 138406 (8/8/6Q1/8/6K1/6N1/6k1/8 w - - 0 1)

Zuncke, Klaus-Peter

Deutsche Schachzeitung, 1980

8/8/6Q1/8/6K1/6N1/6k1/8

#2

3 + 1

23 Die Schwalbe 2010
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qb1?
      • 1...Kh2
        • 2.Qh1#
      • 1...Kf2!
    • 1.Qf5?
      • 1...Kh2
        • 2.Qf2#
      • 1...Kg1!
    • 1.Qf7?
      • 1...Kh2
        • 2.Qf2#
      • 1...Kg1!
    • 1.Qf6?
      • 1...Kh2
        • 2.Qf2#
      • 1...Kg1!
  • Keys
    • 1.Qb6!
      • 1...Kh2
        • 2.Qf2#

Anticipated by 207021(1861)

This anticipates 249539(1980)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR2(C)
HTML5 logo

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).