MESON Chess Problem Database

Problem Display
PID: 11787 (kq6/p7/2K5/7R/8/8/8/Q7 w - - 0 1)

van Dijk, Nils Gustav Gerard

Dagbladet, 1972

kq6/p7/2K5/7R/8/8/8/Q7

#2

3 + 3

4884 154 norske miniatyrproblemer 1974
3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Qh8
      • 2.Rxh8#
      • 2.Qxh8#
  • Tries
    • 1.Qh8?
      • 1...Qc8+
        • 2.Qxc8#
      • 1...Qe8+
        • 2.Qxe8#
      • 1...Qxh8
        • 2.Rxh8#
      • 1...Qd8
        • 2.Qxd8#
      • 1...Qf8
        • 2.Qxf8#
      • 1...Qg8
        • 2.Qxg8#
      • 1...a5
        • 2.Rxa5#
      • 1...a6!
    • 1.Qxa7+?
      • 1...Kxa7
        • 2.Ra5#
      • 1...Qxa7!
  • Keys
    • 1.Rh8!
      • 1...Qc8+
        • 2.Rxc8#
      • 1...Qe8+
        • 2.Rxe8#
      • 1...Qxh8
        • 2.Qxh8#
      • 1...Qd8
        • 2.Rxd8#
      • 1...Qf8
        • 2.Rxf8#
      • 1...Qg8
        • 2.Rxg8#
      • 1...a5
        • 2.Qxa5#
      • 1...a6
        • 2.Qxa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);N_PINP(a),P_PINQ(c)
      • Vars
        • Q(c);CHECK,OGATEB::QAR2(A),XQ(c)
        • Q(c);CHECK,OGATEB::QAR(A),XQ(c)
        • Q(c);N_SPINQ(c),OGATE,XQ(A)::R(B),XQ(c)
        • Q(c);OGATEB::QAR(A),XQ(c)
        • P(a);OGATEB::R(B),XP(a)
      • Refutation
        • P(a);
    • Try
      • Q(A);CHECK,XP(a)
      • Vars
        • K(b);P-FLIGHT,XQ(A)::R(B)
      • Refutation
        • Q(c);XQ(A)
  • Actual
    • R(B);P_PINQ(c)
    • Vars
      • Q(c);CHECK,OGATEB::R(B),XQ(c)
      • Q(c);N_SPINQ(c),OGATE,XR(B)::QAB1(A),XQ(c)
      • Q(c);OGATEB::R(B),XQ(c)
      • P(a);OGATEB::QAR(A),XP(a)
      • P(a);OGATEB::QAR2(A),XP(a)
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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).