MESON Chess Problem Database

Problem Display
PID: 254479 (3Q4/B7/8/3P3K/8/N4N2/4k3/8 w - - 0 1)

Kardos, Tivadar

Schakend Nederland, 1963

3Q4/B7/8/3P3K/8/N4N2/4k3/8

#2

6 + 1

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5?
      • 1...Kd1
        • 2.Qd2#
      • 1...Kd3
        • 2.Qe3#
      • 1...Kxf3
        • 2.Qg4#
      • 1...Kf1!
    • 1.Qc8?
      • 1...Kd1
        • 2.Qc2#
      • 1...Kd3
        • 2.Qc2#
        • 2.Qc4#
      • 1...Kxf3
        • 2.Qg4#
      • 1...Kf1!
  • Keys
    • 1.Qh4!
      • 1...Kd1
        • 2.Qe1#
      • 1...Kf1
        • 2.Qf2#
      • 1...Kd3
        • 2.Qc4#
      • 1...Kxf3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(F)
        • K(a);OGATEB,S_FLIGHT,XS(B)::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(F)
        • K(a);OGATEB,S_FLIGHT,XS(B)::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAR1(F)
      • K(a);N_GUARD,S_FLIGHT::QAB1(F)
      • K(a);OGATEB,S_FLIGHT,XS(B)::QAB1(F)
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).