MESON Chess Problem Database

Problem Display
PID: 184724 (8/6Pr/R3NkPP/8/8/8/8/1Q2K3 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Deutsche Schachzeitung, 1908

8/6Pr/R3NkPP/8/8/8/8/1Q2K3

#2

7 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Ke7
        • 2.Qf7#
      • 1...Kxf5!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qg5#
      • 1...Kxg6
        • 2.Sd8#
      • 1...Ke7
        • 2.g8S#

This is a version of 9690

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);P-FLIGHT,XP(E)::R(C)+S(D)
      • K(a);S_FLIGHT::P=S
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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).