MESON Chess Problem Database

Problem Display
PID: 227467 (8/8/8/8/8/6K1/2Q5/4k3 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1926

8/8/8/8/8/6K1/2Q5/4k3

#2

2 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf1
      • 2.Qd1#
      • 2.Qf2#
  • Tries
    • 1.Qa2?
      • 1...Kf1
        • 2.Qf2#
      • 1...Kd1!
    • 1.Qb2?
      • 1...Kf1
        • 2.Qf2#
      • 1...Kd1!
    • 1.Qd2+?
      • 1...Kf1
        • 2.Qd1#
        • 2.Qf2#
      • 1...Kxd2!
    • 1.Qh2?
      • 1...Kf1
        • 2.Qf2#
      • 1...Kd1!
  • Keys
    • 1.Kf3!
      • 1...Kf1
        • 2.Qb1#
        • 2.Qd1#
        • 2.Qc1#
        • 2.Qf2#

FEATURES

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