MESON Chess Problem Database

Problem Display
PID: 18612 (8/1B2pK2/1B2Q3/8/8/6kp/8/8 w - - 0 1)

van Dijk, Nils Gustav Gerard

Dagbladet, 1957

8/1B2pK2/1B2Q3/8/8/6kp/8/8

#2

4 + 3

4884 154 norske miniatyrproblemer 1974
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
2838 Fun with Chess Miniatures 1996
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Kh2
      • 2.Qe5#
  • Tries
    • 1.Kg6?
      • 1...Kh2
        • 2.Qe5#
      • 1...Kf4
        • 2.Bc7#
      • 1...Kh4
        • 2.Bf2#
      • 1...h2!
    • 1.Qg4+?
      • 1...Kh2
        • 2.Bg1#
        • 2.Qg1#
        • 2.Qf4#
      • 1...Kxg4!
    • 1.Qg6+?
      • 1...Kh2
        • 2.Bg1#
        • 2.Qg1#
      • 1...Kh4
        • 2.Bf2#
      • 1...Kf4!
  • Keys
    • 1.Bc8!
      • 1...Kg2
        • 2.Qxh3#
      • 1...Kh2
        • 2.Qxh3#
      • 1...Kf3
        • 2.Qg4#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qg4#
      • 1...h2
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(B)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • P(b);
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);P-FLIGHT::QAB1(B),XP(b)
      • K(a);S_FLIGHT::QAR1(B),XP(b)
      • K(a);P-FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
      • P(b);SBLOCK::QAR1(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).