MESON Chess Problem Database

Problem Display
PID: 174489 (6n1/6Pk/8/5P2/5K2/2B5/Q7/8 w - - 0 1)

Volchek, Viktor Fedorovich

Rybynsk 7 Dney, 2005

6n1/6Pk/8/5P2/5K2/2B5/Q7/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kh6
      • 2.Qh2#
  • Tries
    • 1.Qf7?
      • threat
        • 2.Qg6#
      • 1...Kh6
        • 2.Qg6#
      • 1...Sh6
        • 2.g8Q#
        • 2.g8B#
      • 1...Se7
        • 2.g8S#
      • 1...Sf6!
    • 1.Qxg8+?
      • 1...Kh6
        • 2.Qh8#
      • 1...Kxg8!
  • Keys
    • 1.Qa8!
      • 1...Kh6
        • 2.Qh1#
      • 1...Sf6
        • 2.Qh8#
      • 1...Sh6
        • 2.Qh8#
      • 1...Se7
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • S(b);OGATE,SBLOCK::P=Q
        • S(b);OGATE::P=S
      • Refutation
        • S(b);
    • Try
      • Q(A);CHECK,XS(b)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR(A)
      • S(b);OGATE::QAR1(A)
      • S(b);OGATE,SBLOCK::QAR1(A)
HTML5 logo

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).