MESON Chess Problem Database

Problem Display
PID: 175613 (1b6/pB1p2N1/3k4/3p2B1/3P4/K3p3/4b3/Q7 w - - 0 1)

Backlin, Edward

Nordisk Skaktidende, 1879

1b6/pB1p2N1/3k4/3p2B1/3P4/K3p3/4b3/Q7

#2

6 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Qb2!
      • 1...Kc7
        • 2.Se8#
      • 1...Bd1
        • 2.Qh2#
      • 1...Bf1
        • 2.Qh2#
      • 1...Bd3
        • 2.Qh2#
      • 1...Bf3
        • 2.Qh2#
      • 1...Bc4
        • 2.Qh2#
      • 1...Bg4
        • 2.Qh2#
      • 1...Bb5
        • 2.Qh2#
      • 1...Bh5
        • 2.Qh2#
      • 1...Ba6
        • 2.Qh2#
      • 1...Bc7
        • 2.Qb4#
      • 1...a5
        • 2.Qb6#
      • 1...a6
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Vars
      • K(d);S_FLIGHT::S(F)
      • B(a);OGATE::QAB(A)
      • B(g);SBLOCK::QAB(A)
      • P(e);N_GUARD::QAR2(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).