MESON Chess Problem Database

Problem Display
PID: 121506 (k1N5/P1p2r2/3b4/1n6/Q1Kp4/p7/8/8 w - - 0 1)

Kabes, Vlastimil

Ruch, 1948

k1N5/P1p2r2/3b4/1n6/Q1Kp4/p7/8/8

#2

4 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kb7
      • 2.a8Q#
    • 1...Sc3
      • 2.Qc6#
    • 1...Sxa7
      • 2.Qxa7#
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qc6#
      • 1...Sxa7
        • 2.Qxa7#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(g);OGATE,S_FLIGHT::P=Q
    • S(c);OGATE::QAB(A)
    • S(c);OGATE,P_SPINS(c),XP(C)::QAR1(A),XS(c)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • S(c);OGATE,P_SPINS(c),XP(C)::QAR1(A),XS(c)
      • P(e);N_GUARD::S(D)
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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).