MESON Chess Problem Database

Problem Display
PID: 266069 (7K/8/Q7/2B3k1/6P1/7P/8/8 w - - 0 1)

Zimmer, Eligiusz

Schweizerische Schachzeitung, 2017

7K/8/Q7/2B3k1/6P1/7P/8/8

#2

5 + 1

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qe6?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4!
  • Keys
    • 1.Qd3!
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Be7#
      • 1...Kf6
        • 2.Qf5#
      • 1...Kh6
        • 2.Be3#

Anticipated by 262909(2008)

This anticipates 268836(2022)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(D)
      • K(a);N_GUARD,S_FLIGHT::B(C)
      • K(a);N_GUARD,S_FLIGHT::QAR1(D)
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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).