MESON Chess Problem Database

Problem Display
PID: 120042 (5N1k/6p1/5P1N/8/4K3/8/6n1/7Q w - - 0 1)

Cumpe, Josef

Peplitzer Schonaer Anzeiger, 1937

5N1k/6p1/5P1N/8/4K3/8/6n1/7Q

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qa1!
      • threat
        • 2.fxg7#
      • 1...gxf6
        • 2.Qxf6#
      • 1...gxh6
        • 2.f7#
      • 1...g5
        • 2.f7#
      • 1...g6
        • 2.f7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • P(C),XP(b)
    • Vars
      • P(b);OGATE,P_SPINP(b),XP(C)::QAB(A),XP(b)
      • P(b);XS(D)::QAB(A)+P(C)
      • P(b);::QAB(A)+P(C)
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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).