MESON Chess Problem Database

Problem Display
PID: 79429 (1K2Q3/2p1P1bp/B6p/1nPP4/4kPP1/RN2r1P1/1qb3P1/B2R1N2 w - - 0 1)

Papack, Daniel

4th Prize, Problem-Forum, 2003/II

1K2Q3/2p1P1bp/B6p/1nPP4/4kPP1/RN2r1P1/1qb3P1/B2R1N2

#2

15 + 9

23 Die Schwalbe 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Qh5?
      • threat
        • 2.Qf5#
      • 1...Qf6
        • 2.Sbd2#
      • 1...Sd4
        • 2.Sd2#
      • 1...Sd6
        • 2.Sd2#
      • 1...Qe5!
    • 1.Qd7?
      • threat
        • 2.Qf5#
      • 1...Qe5
        • 2.Sbd2#
      • 1...Qf6
        • 2.Sbd2#
      • 1...Sd4
        • 2.Sd2#
      • 1...Sd6!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qf5#
      • 1...Qe5
        • 2.Sbd2#
      • 1...Qf6
        • 2.Sbd2#
      • 1...Bf6
        • 2.Qxh7#
      • 1...Sd4
        • 2.Sd2#
      • 1...Sd6
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(O);
      • Threat
        • QAB1(O)
      • Vars
        • Q(a);::S(F)
        • S(e);P_PINS(F)::S(C)
      • Refutation
        • Q(a);
    • Try
      • Q(O);
      • Threat
        • QAB1(O)
      • Vars
        • Q(a);::S(F)
        • S(e);P_PINS(F)::S(C)
      • Refutation
        • S(e);P_PINS(F)
  • Actual
    • Q(O);
    • Threat
      • QAB1(O)
    • Vars
      • Q(a);::S(F)
      • B(h);OGATE::QAB(O),XP(i)
      • S(e);P_PINS(F)::S(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).