MESON Chess Problem Database

Problem Display
PID: 262911 (8/8/8/4N3/7Q/5P1P/1K2k3/5N2 w - - 0 1)

Zhuk, Aleksandr Gnatovich

Zadachi i Etyudi, 2008

8/8/8/4N3/7Q/5P1P/1K2k3/5N2

#2

6 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • 1...Kd2
        • 2.Qf2#
      • 1...Kxe3!
    • 1.Qf2+?
      • 1...Kd1
        • 2.Se3#
        • 2.Qd2#
      • 1...Kxf2!
  • Keys
    • 1.Sd3!
      • 1...Kd1
        • 2.Qe1#
      • 1...Kxf1
        • 2.Qf2#
      • 1...Kxd3
        • 2.Qe4#
      • 1...Kxf3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT,XS(A)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
  • Actual
    • S(F);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAR1(E)
      • K(a);N_GUARD,S_FLIGHT,XS(A)::QAR1(E)
      • K(a);N_GUARD,S_FLIGHT,XS(F)::QAB1(E)
      • K(a);OGATEB,S_FLIGHT,XP(C)::QAB1(E)
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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).