MESON Chess Problem Database

Problem Display
PID: 154456 (8/8/2R1P3/K2kB3/pP1pp3/2n1p1Q1/8/8 w - - 0 1)

Hoeg, Nils

Norsk Sjakkblad, 1908

8/8/2R1P3/K2kB3/pP1pp3/2n1p1Q1/8/8

#2

6 + 6

4035 Aarsskrift for DSK 1935
5454 Near Snap 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4?
      • threat
        • 2.Rc5#
      • 1...Kxe5
        • 2.Qg5#
      • 1...Kxc6!
    • 1.Qg6?
      • threat
        • 2.Rc5#
      • 1...Kxe5
        • 2.Qg5#
      • 1...Kxc6!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Rc5#
      • 1...Kxe5
        • 2.Qg5#
      • 1...Kxc6
        • 2.Qa8#

Anticipated by 95552(1907)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • R1(E)
      • Vars
        • K(f);OGATEB,P-FLIGHT,XB(D)::QAR2(A)
      • Refutation
        • K(f);S_FLIGHT,XR(E)
    • Try
      • Q(A);
      • Threat
        • R1(E)
      • Vars
        • K(f);OGATEB,P-FLIGHT,XB(D)::QAR2(A)
      • Refutation
        • K(f);S_FLIGHT,XR(E)
  • Actual
    • Q(A);
    • Threat
      • R1(E)
    • Vars
      • K(f);OGATEB,P-FLIGHT,XB(D)::QAR2(A)
      • K(f);OGATEB,S_FLIGHT,XR(E)::QAB(A)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).