MESON Chess Problem Database

Problem Display
PID: 193469 (3k3K/N1p1p3/1pB5/3P1p2/1Q6/8/8/8 w - - 0 1)

Skalicka, Karel

Narodni listy, 1915

3k3K/N1p1p3/1pB5/3P1p2/1Q6/8/8/8

#2

5 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qf8#
      • 2.Qh4#
    • 1...e6
      • 2.Qf8#
      • 2.Qh4#
  • Tries
    • 1.Qf4?
      • 1...e5
        • 2.Qg5#
        • 2.Qh4#
      • 1...e6
        • 2.Qg5#
        • 2.Qh4#
      • 1...b5!
    • 1.Qg4?
      • threat
        • 2.Qg8#
      • 1...e5
        • 2.Qh4#
        • 2.Qg5#
      • 1...e6
        • 2.Qh4#
        • 2.Qg5#
      • 1...fxg4!
  • Keys
    • 1.d6!
      • threat
        • 2.dxe7#
      • 1...cxd6
        • 2.Qxb6#
      • 1...exd6
        • 2.Qh4#
      • 1...e5
        • 2.Qh4#
      • 1...e6
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Refutation
        • P(a);XQ(A)
  • Actual
    • P(B);
    • Threat
      • P(B),XP(d)
    • Vars
      • P(c);OGATEB,XP(B)::QAB(A),XP(b)
      • P(d);OGATEB,XP(B)::QAB(A)
      • P(d);OGATEB::QAB(A)
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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).