MESON Chess Problem Database

Problem Display
PID: 242050 (8/5P2/4Np2/3K1kBB/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/5P2/4Np2/3K1kBB/8/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...fxg5
      • 2.f8Q#
      • 2.f8R#
  • Tries
    • 1.Sf4?
      • 1...fxg5
        • 2.f8Q#
        • 2.f8R#
      • 1...Kxg5!
    • 1.Sc5?
      • 1...fxg5
        • 2.f8Q#
        • 2.f8R#
      • 1...Kxg5!
    • 1.Sc7?
      • 1...fxg5
        • 2.f8Q#
        • 2.f8R#
      • 1...Kxg5!
    • 1.Sd8?
      • 1...fxg5
        • 2.f8Q#
        • 2.f8R#
      • 1...Kxg5!
  • Keys
    • 1.Bxf6!
      • 1...Kxf6
        • 2.f8Q#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);XB(B)::P=Q
  • Tries
    • Try
      • S(D);
      • Vars
        • P(b);SBLOCK,XB(B)::P=Q
      • Refutation
        • K(a);P-FLIGHT,XB(B)
    • Try
      • S(D);
      • Vars
        • P(b);SBLOCK,XB(B)::P=Q
      • Refutation
        • K(a);P-FLIGHT,XB(B)
    • Try
      • S(D);
      • Vars
        • P(b);SBLOCK,XB(B)::P=Q
      • Refutation
        • K(a);P-FLIGHT,XB(B)
    • Try
      • S(D);
      • Vars
        • P(b);SBLOCK,XB(B)::P=Q
      • Refutation
        • K(a);P-FLIGHT,XB(B)
  • Actual
    • B(B);XP(b)
    • Vars
      • K(a);P-FLIGHT,XB(B)::P=Q
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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).