MESON Chess Problem Database

Problem Display
PID: 178318 (1K6/8/8/4k3/6PP/1B6/5P2/1Q6 w - - 0 1)

van der Holst, H

Morgenbladet, 1903

1K6/8/8/4k3/6PP/1B6/5P2/1Q6

#2

6 + 1

6490 yacpdb 2018
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qf5#
  • Tries
    • 1.Qd3?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kf6!
    • 1.Qg6?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd4!
  • Keys
    • 1.Qc1!
      • 1...Kd4
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qg5#

Anticipated by 214375(1880)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);P-FLIGHT::QAR1(A)
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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).