MESON Chess Problem Database

Problem Display
PID: 156721 (8/2Q5/4p3/8/5p2/7K/2P5/6Nk w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Scacchi e Scienze Applicate, 2005

8/2Q5/4p3/8/5p2/7K/2P5/6Nk

#2

4 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Qh2#
  • Tries
    • 1.Se2?
      • 1...f3
        • 2.Qh2#
      • 1...e5!
    • 1.Qc6+?
      • 1...Kxg1
        • 2.Qg2#
      • 1...f3!
    • 1.Qb7+?
      • 1...Kxg1
        • 2.Qg2#
      • 1...f3!
  • Keys
    • 1.Qe5!
      • 1...Kxg1
        • 2.Qe1#
      • 1...f3
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE::QAR1(D)
  • Tries
    • Try
      • S(A);
      • Vars
        • P(b);OGATE::QAR1(D)
      • Refutation
        • P(c);
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT,XS(A)::QAR1(D)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT,XS(A)::QAR1(D)
      • Refutation
        • P(b);P_SPINP(b)
  • Actual
    • Q(D);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XS(A)::QAR2(D)
      • P(b);OGATE::QAR1(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).