MESON Chess Problem Database

Problem Display
PID: 231084 (3Q4/5P1B/4k2K/5p2/5P2/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Kecskemet, 1927

3Q4/5P1B/4k2K/5p2/5P2/8/8/8

#2

5 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf7
      • 2.Bg8#
  • Tries
    • 1.Qd7+?
      • 1...Kf6
        • 2.f8Q#
        • 2.f8R#
      • 1...Kxd7!
  • Keys
    • 1.f8B!
      • 1...Kf7
        • 2.Qe7#

FEATURES

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