MESON Chess Problem Database

Problem Display
PID: 227902 (8/8/5p1Q/8/4P1kP/8/6K1/8 w - - 0 1)

Ballo, Gyorgy

Schiffert, Gyorgy

Magyar Sakkvilag, 1926

8/8/5p1Q/8/4P1kP/8/6K1/8

#2

4 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qg5#
  • Tries
    • 1.e5?
      • 1...fxe5
        • 2.Qg5#
      • 1...f5
        • 2.Qg5#
      • 1...Kf5!
  • Keys
    • 1.Qxf6!
      • 1...Kh5
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::QAR1(D)
  • Tries
    • Try
      • P(B);
      • Vars
        • P(b);N_GUARD,XP(B)::QAR1(D)
        • P(b);N_GUARD::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);XP(b)
    • Vars
      • K(a);S_FLIGHT::QAR1(D)
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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).