MESON Chess Problem Database

Problem Display
PID: 241724 (8/1K1P4/1P1P4/3k4/6Q1/3N4/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

8/1K1P4/1P1P4/3k4/6Q1/3N4/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.d8Q#
  • Tries
    • 1.Qc4+?
      • 1...Kxd6
        • 2.d8Q#
      • 1...Kxc4!
    • 1.Qe4+?
      • 1...Kxd6
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxe4!
  • Keys
    • 1.d8S!
      • 1...Kxd6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XP(D)::P=Q
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(D)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(D)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • P(F);
    • Vars
      • K(a);P-FLIGHT,XP(D)::QAR1(B)
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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).