MESON Chess Problem Database

Problem Display
PID: 165214 (8/7K/8/2P1k1N1/Q1p1Pprb/3nP3/5n2/8 w - - 0 1)

Juricek, Stanislav

Sachova skladba, 2007

8/7K/8/2P1k1N1/Q1p1Pprb/3nP3/5n2/8

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Qd4#
  • Tries
    • 1.Qa1+?
      • 1...c3
        • 2.Qxc3#
      • 1...Sb2!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qf5#
        • 2.Qe6#
        • 2.Qd4#
        • 2.Qd6#
        • 2.Qe7#
        • 2.Qg7#
      • 1...Kf6
        • 2.Qg7#
      • 1...Rxg5
        • 2.Qe7#
      • 1...Bxg5
        • 2.Qf5#
      • 1...Sxe4
        • 2.Qe6#
      • 1...Sxc5
        • 2.Qd4#
      • 1...fxe3
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATE::QAB1(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • P(c);P_SPINP(c)::QAB(B),XP(c)
      • Refutation
        • S(b);P_SPINS(b)
  • Actual
    • Q(B);
    • Threat
      • DUALS(6)
    • Vars
      • K(g);S_FLIGHT::QAB1(B)
      • R(e);XS(E)::QAR2(B)
      • B(f);XS(E)::QAR1(B)
      • S(a);XP(C)::QAR1(B)
      • S(b);XP(D)::QAB1(B)
      • P(d);XP(A)::QAB1(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).