MESON Chess Problem Database

Problem Display
PID: 242061 (5N2/Q7/3k4/8/4B3/4K3/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

5N2/Q7/3k4/8/4B3/4K3/8/8

#2

4 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qd4#
      • 2.Qe7#
  • Tries
    • 1.Sh7?
      • 1...Ke5
        • 2.Qe7#
      • 1...Ke6!
    • 1.Qb6+?
      • 1...Ke5
        • 2.Sg6#
        • 2.Sd7#
        • 2.Qd4#
        • 2.Qe6#
      • 1...Ke7!
    • 1.Qa3+?
      • 1...Ke5
        • 2.Qe7#
      • 1...Kc7!
    • 1.Qb7?
      • 1...Ke5
        • 2.Qe7#
      • 1...Kc5!
    • 1.Qd7+?
      • 1...Ke5
        • 2.Qe6#
        • 2.Qd4#
        • 2.Qe7#
      • 1...Kc5!
    • 1.Qf7?
      • 1...Ke5
        • 2.Qe6#
        • 2.Qf4#
        • 2.Qe7#
      • 1...Kc5!
    • 1.Qh7?
      • 1...Ke5
        • 2.Qe7#
      • 1...Kc5!
  • Keys
    • 1.Sg6!
      • 1...Ke6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
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).