MESON Chess Problem Database

Problem Display
PID: 205715 (8/7B/8/5Qbk/5p2/5K2/8/8 w - - 0 1)

Schonberger, Tibor

Magyar Sakkvilag, 1925

8/7B/8/5Qbk/5p2/5K2/8/8

#2

3 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Qg4#
    • 1...Kh6
      • 2.Qg6#
  • Tries
    • 1.Kg2?
      • 1...Kh4
        • 2.Qh3#
      • 1...Kh6
        • 2.Qg6#
      • 1...f3+!
    • 1.Bg6+?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh6!
    • 1.Qf7+?
      • 1...Kh6
        • 2.Qg6#
      • 1...Kh4!
  • Keys
    • 1.Bg8!
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh6
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINB(b),P-FLIGHT::QAR1(B)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(c);N_SPINB(b),P-FLIGHT::QAR1(B)
      • Refutation
        • P(a);CHECK
    • Try
      • B(C);CHECK
      • Vars
        • K(c);N_SPINB(b),P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);N_SPINB(b),P-FLIGHT
    • Try
      • Q(B);CHECK,N_PINB(b)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(c);N_SPINB(b),P-FLIGHT::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).