MESON Chess Problem Database

Problem Display
PID: 5075 (8/B3p2K/4k3/1Q6/4N3/3P4/6B1/8 w - - 0 1)

van Dijk, Johannes

1st HM., Tijdschrift vd NSB JT, 1898

8/B3p2K/4k3/1Q6/4N3/3P4/6B1/8

#2

6 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sg5+?
      • 1...Kd6
        • 2.Bb8#
      • 1...Kf6!
    • 1.Qg5?
      • 1...Kf7
        • 2.Qg8#
      • 1...Kd7!
  • Keys
    • 1.Qb8!
      • 1...Kd5
        • 2.Sg5#
      • 1...Kf5
        • 2.Bh3#
      • 1...Kd7
        • 2.Sc5#
      • 1...Kf7
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::B(A)+S(C)
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::QAB1(D)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).