MESON Chess Problem Database

Problem Display
PID: 196780 (1Q6/2pR4/8/2p4K/2N5/PPk4p/brp5/2r5 w - - 0 1)

Huse, Hans Markus

Tidskrift for Schack, 1919

1Q6/2pR4/8/2p4K/2N5/PPk4p/brp5/2r5

#2

6 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...c6
      • 2.Qg3#
  • Tries
    • 1.Sxb2?
      • threat
        • 2.Sa4#
      • 1...Bxb3
        • 2.Qh8#
      • 1...Kxb2!
    • 1.Sd2?
      • threat
        • 2.Se4#
        • 2.Qh8#
      • 1...Rxb3
        • 2.Qh8#
      • 1...Bxb3
        • 2.Qh8#
      • 1...Rbb1
        • 2.Qh8#
      • 1...Rf1
        • 2.Se4#
      • 1...Rg1
        • 2.Se4#
      • 1...Re1!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sa4#
      • 1...Kxb3
        • 2.Rd3#
      • 1...Rxb3
        • 2.Qh8#
      • 1...Bxb3
        • 2.Qh8#
      • 1...cxb6
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(h);OGATE::QAR(F)
  • Tries
    • Try
      • S(C);XR(c)
      • Threat
        • S(C)
      • Vars
        • B(b);SBLOCK,XP(B)::QAB(F)
      • Refutation
        • K(e);S_FLIGHT,XS(C)
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);XP(B)::QAB(F)
        • B(b);XP(B)::QAB(F)
        • R(c);::QAB(F)
        • R(a);::S(C)
      • Refutation
        • R(a);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(e);P-FLIGHT,XP(B)::R(E)
      • R(c);SBLOCK,XP(B)::QAB(F)
      • B(b);SBLOCK,XP(B)::QAB(F)
      • P(h);OGATE,XS(C)::QAR(F)
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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).