MESON Chess Problem Database

Problem Display
PID: 182300 (B7/2N5/1K2Q3/4P3/3p4/3k4/P1nPn1P1/3R4 w - - 0 1)

van Dijk, Johannes

De Telegraaf, 1906

B7/2N5/1K2Q3/4P3/3p4/3k4/P1nPn1P1/3R4

#2

9 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Kc5?
      • threat
        • 2.Qc4#
        • 2.Qf5#
        • 2.Qa6#
        • 2.Qg6#
      • 1...Sa1
        • 2.Qc4#
        • 2.Qf5#
        • 2.Qg6#
      • 1...Se1
        • 2.Qc4#
        • 2.Qf5#
        • 2.Qg6#
      • 1...Sa3
        • 2.Qf5#
        • 2.Qg6#
      • 1...Sb4
        • 2.Qc4#
        • 2.Qf5#
        • 2.Qg6#
      • 1...Sc1
        • 2.Qc4#
        • 2.Qa6#
      • 1...Sg1
        • 2.Qc4#
        • 2.Qa6#
      • 1...Sc3
        • 2.Qc4#
      • 1...Sg3
        • 2.Qc4#
        • 2.Qa6#
      • 1...Sf4
        • 2.Qc4#
        • 2.Qa6#
      • 1...Se3!
  • Keys
    • 1.Sd5!
      • 1...Kc4
        • 2.d3#
      • 1...Ke4
        • 2.d3#
      • 1...Sa1
        • 2.Sb4#
      • 1...Se1
        • 2.Sb4#
      • 1...Sa3
        • 2.Sb4#
      • 1...Se3
        • 2.Sb4#
      • 1...Sb4
        • 2.Sxb4#
      • 1...Sc1
        • 2.Sf4#
      • 1...Sg1
        • 2.Sf4#
      • 1...Sc3
        • 2.Sf4#
      • 1...Sg3
        • 2.Sf4#
      • 1...Sf4
        • 2.Sxf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Threat
        • DUALS(4)
      • Vars
        • S(b);::QAB1(G)
      • Refutation
        • S(a);
  • Actual
    • S(H);
    • Vars
      • K(c);OGATE,S_FLIGHT::P(C)
      • S(a);N_GUARD::S(H)
      • S(a);N_GUARD::S(H),XS(a)
      • S(b);N_GUARD::S(H)
      • S(b);N_GUARD::S(H),XS(b)
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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).