MESON Chess Problem Database

Problem Display
PID: 79378 (6Bb/1qpn2B1/1p3p1p/NQprkNR1/r1b3P1/p2p1PP1/6K1/8 w - - 0 1)

Klemanic, Emil

4th Prize, Gvozdjak-30 JT, 1995

6Bb/1qpn2B1/1p3p1p/NQprkNR1/r1b3P1/p2p1PP1/6K1/8

#2

10 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qa6
      • 2.Sc6#
    • 1...Qc6
      • 2.Sxc6#
    • 1...Qc8
      • 2.Sc6#
    • 1...Qa7
      • 2.Sc6#
    • 1...Qb8
      • 2.Sc6#
    • 1...Sb8
      • 2.Qe8#
  • Tries
    • 1.Qxc4?
      • threat
        • 2.f4#
      • 1...Rxc4
        • 2.Sxc4#
      • 1...Rd4
        • 2.Qe6#
      • 1...Rd6
        • 2.Sxh6#
      • 1...hxg5!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qe6#
      • 1...Qxc6
        • 2.Sxc6#
      • 1...Rd4
        • 2.Sxh6#
      • 1...Rd6
        • 2.f4#
      • 1...Sf8
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • Q(k);N_GUARD::S(E)
    • Q(k);N_GUARD::S(E),XQ(k)
    • S(m);OGATE::QAR(F)
  • Tries
    • Try
      • Q(F);XB(d)
      • Threat
        • P(B)
      • Vars
        • R(c);XQ(F)::S(E),XR(c)
        • R(f);OGATE,P_PINP(B)::QAR1(F)
        • R(f);P_PINP(B),SBLOCK::R(H)+S(G),XP(j)
      • Refutation
        • P(j);XR(H)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • Q(k);XQ(F)::S(E),XQ(k)
      • R(f);SBLOCK::R(H)+S(G),XP(j)
      • R(f);::P(B)
      • S(m);N_GUARD::QAB1(F),XP(i)
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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).