MESON Chess Problem Database

Problem Display
PID: 178112 (5N2/2p1p1n1/2pb1P1N/2p1k2n/2K4P/3P1Pp1/1P4P1/5Q2 w - - 0 1)

Kondelik, Karel

Ceske listy sachove, 1898

5N2/2p1p1n1/2pb1P1N/2p1k2n/2K4P/3P1Pp1/1P4P1/5Q2

#2

10 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sxf6
      • 2.f4#
  • Tries
    • 1.Sd7+?
      • 1...Kf4
        • 2.Qc1#
      • 1...Ke6!
    • 1.Qe2+?
      • 1...Kf4
        • 2.Sg6#
        • 2.Qe4#
      • 1...Kxf6!
    • 1.Qe1+?
      • 1...Kf4
        • 2.Sg6#
        • 2.Qe4#
      • 1...Kxf6!
  • Keys
    • 1.Qc1!
      • 1...Kxf6
        • 2.Qg5#
      • 1...Sxf6
        • 2.f4#
      • 1...exf6
        • 2.Qe3#
      • 1...Sf4
        • 2.Qc3#
      • 1...Sf5
        • 2.Sg4#
      • 1...Se6
        • 2.Sd7#
      • 1...Se8
        • 2.Qg5#
      • 1...e6
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,SBLOCK,XP(H)::P(E)
  • Tries
    • Try
      • S(J);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);S_FLIGHT,XP(H)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);S_FLIGHT,XP(H)
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT,XP(H)::QAB1(A)
      • S(d);N_GUARD,SBLOCK,XP(H)::P(E)
      • P(h);SBLOCK,XP(H)::QAR2(A)
      • S(d);SBLOCK::QAB(A)
      • S(i);SBLOCK::S(I)
      • S(i);SBLOCK::S(J)
      • S(i);N_GUARD::QAR2(A)
      • P(h);SBLOCK::S(J)
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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).