MESON Chess Problem Database

Problem Display
PID: 41223 (4R2K/3n2Q1/7p/4B1r1/1N2b3/R1q1k3/3pP3/b2B3N w - - 0 1)

Szoghy, Jozsef

HM., Die Schwalbe Rupp TT, 1934

4R2K/3n2Q1/7p/4B1r1/1N2b3/R1q1k3/3pP3/b2B3N

#2

9 + 8

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qd3
      • 2.Sc2#
    • 1...Rg1
      • 2.Qxg1#
    • 1...Rh5
      • 2.Qg1#
    • 1...Sf6
      • 2.Qa7#
    • 1...Sb8
      • 2.Qa7#
    • 1...Sf8
      • 2.Qa7#
    • 1...h5
      • 2.Qxg5#
  • Tries
    • 1.Bg3?
      • threat
        • 2.Sc2#
      • 1...Rxg3
        • 2.Sd5#
      • 1...Se5
        • 2.Qa7#
      • 1...Re5!
  • Keys
    • 1.Bh2!
      • threat
        • 2.Sc2#
      • 1...Rg3
        • 2.Sd5#
      • 1...Re5
        • 2.Qg1#
      • 1...Se5
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • Q(c);S_CUTB(e)::S(E)
    • R(f);OGATE::QAB(G),XR(f)
    • R(f);OGATE::QAB(G)
    • S(h);OGATE::QAB(G)
    • P(g);N_GUARD::QAB(G),XR(f)
  • Tries
    • Try
      • B(F);P_PINB(e),P_SPINQ(G)
      • Threat
        • S(E)
      • Vars
        • R(f);N_GUARD,XB(F)::S(E)
        • S(h);N_PINQ(G),N_SPINB(e)::QAB(G)
      • Refutation
        • R(f);N_PINQ(G),N_SPINB(e)
  • Actual
    • B(F);P_PINB(e),P_SPINQ(G)
    • Threat
      • S(E)
    • Vars
      • R(f);N_GUARD::S(E)
      • R(f);N_PINQ(G),N_SPINB(e)::QAB(G)
      • S(h);N_PINQ(G),N_SPINB(e)::QAB(G)
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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).