MESON Chess Problem Database

Problem Display
PID: 255607 (7K/5p1N/6kp/1Q6/8/8/8/8 w - - 0 1)

Hobat, A

Wiener Schachzeitung, 1935

7K/5p1N/6kp/1Q6/8/8/8/8

#2

3 + 3

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...h5
      • 2.Qg5#
    • 1...f5
      • 2.Qe8#
  • Tries
    • 1.Qd5?
      • 1...h5
        • 2.Qg5#
      • 1...f6
        • 2.Sf8#
      • 1...f5!
    • 1.Qe5?
      • threat
        • 2.Sf8#
      • 1...h5
        • 2.Qf6#
        • 2.Qg5#
      • 1...f5
        • 2.Qe8#
      • 1...f6!
  • Keys
    • 1.Kg8!
      • 1...h5
        • 2.Qg5#
      • 1...f5
        • 2.Qe8#
      • 1...f6
        • 2.Sf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::QAR1(A)
    • P(c);OGATEB,SBLOCK::QAB(A)
  • Tries
    • Try
      • Q(A);
      • Vars
        • P(b);N_GUARD::QAR1(A)
        • P(c);SBLOCK::S(B)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • S(B)
      • Vars
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • P(c);
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • P(b);N_GUARD::QAR1(A)
      • P(c);OGATEB,SBLOCK::QAB(A)
      • P(c);SBLOCK::S(B)
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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).