MESON Chess Problem Database

Problem Display
PID: 173600 (8/4NQbk/8/8/8/8/1p6/1K6 w - - 0 1)

Boros, Sandor

Magyar Sakkvilag, 1929

8/4NQbk/8/8/8/8/1p6/1K6

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kh6
      • 2.Qg6#
    • 1...Kh8
      • 2.Qg8#
  • Tries
    • 1.Qf5+?
      • 1...Kh6
        • 2.Sg8#
        • 2.Qg6#
      • 1...Kh8!
  • Keys
    • 1.Sf5!
      • 1...Kh8
        • 2.Qxg7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(c);N_SPINB(b),P-FLIGHT::QAR1(C)
  • Tries
    • Try
      • Q(C);CHECK,N_PINB(b)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(c);N_SPINB(b),P-FLIGHT::QAB1(C),XB(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).