MESON Chess Problem Database

Problem Display
PID: 278056 (8/3BBp2/6p1/6P1/6Pk/8/3Q1P1K/8 w - - 0 1)

Majoros, Bela

Schach, 2024

8/3BBp2/6p1/6P1/6Pk/8/3Q1P1K/8

#2

7 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qc3?
      • threat
        • 2.Qh8#
        • 2.Qg3#
        • 2.Qh3#
      • 1...f5
        • 2.Qg3#
        • 2.Qh3#
      • 1...f6!
  • Keys
    • 1.Qe1!
      • threat
        • 2.f3#
        • 2.f4#
      • 1...f5
        • 2.f3#
      • 1...f6
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • P(c);::QAB(A)+P(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).