MESON Chess Problem Database

Problem Display
PID: 214636 (8/8/B6Q/2kN1K2/8/8/8/8 w - - 0 1)

van Ess, LA

Chicago Tribune, 1877

8/8/B6Q/2kN1K2/8/8/8/8

#2

4 + 1

3713 Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc6+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kxc6!
  • Keys
    • 1.Ke6!
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc6
        • 2.Qc1#

Anticipated by 79210(1854)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT,XQ(D)
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • K(a);P-FLIGHT::QAR(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).