MESON Chess Problem Database

Problem Display
PID: 200708 (5K2/3N4/3N2p1/6k1/8/8/5P2/4QB2 w - - 0 1)

Zheltukhov, Viktor Ivanovich

Zadachi i Etyudi, 2017

5K2/3N4/3N2p1/6k1/8/8/5P2/4QB2

#2

6 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qb4?
      • 1...Kh6
        • 2.Qh4#
      • 1...Kh5!
    • 1.Qe4?
      • 1...Kh6
        • 2.Qh4#
      • 1...Kh5!
  • Keys
    • 1.Sf6!
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.f4#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kh6
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);S_FLIGHT::QAB(A)+P(C)
      • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
      • K(a);S_FLIGHT::S(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).