MESON Chess Problem Database

Problem Display
PID: 227585 (8/3n4/3N4/BBnkbQR1/3p4/3p4/3p4/3K4 w - - 0 1)

van Dijk, Johannes

Noord-Hollandsch Dagblad, 1926

8/3n4/3N4/BBnkbQR1/3p4/3p4/3p4/3K4

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Qxe5#
    • 1...Sf6
      • 2.Qxe5#
    • 1...Sb8
      • 2.Qxe5#
    • 1...Sf8
      • 2.Qxe5#
  • Keys
    • 1.Bb4!
      • 1...Kxd6
        • 2.Qxd7#
      • 1...Sb3
        • 2.Qf7#
      • 1...Sa4
        • 2.Qf7#
      • 1...Se4
        • 2.Qf7#
      • 1...Sa6
        • 2.Qf7#
      • 1...Se6
        • 2.Qe4#
        • 2.Qf3#
      • 1...Sb7
        • 2.Qf7#
      • 1...Sb6
        • 2.Qxe5#
      • 1...Sf6
        • 2.Qxe5#
      • 1...Sb8
        • 2.Qxe5#
      • 1...Sf8
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD::QAR1(D),XB(f)
  • Actual
    • B(B);
    • Vars
      • K(e);N_SPINB(f),OGATEB,P-FLIGHT,P_SPINS(d),XS(F)::QAR1(D),XS(g)
      • S(d);N_GUARD::QAB(D)
      • S(g);N_GUARD::QAR1(D),XB(f)
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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).