MESON Chess Problem Database

Problem Display
PID: 227453 (8/8/8/N7/k2K1Q2/N7/8/8 w - - 0 1)

Brixi, Heinz

Das Ratsel, 1926

8/8/8/N7/k2K1Q2/N7/8/8

#2

4 + 1

3713 Snap 2020
6490 yacpdb 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qb8!
      • 1...Kxa3
        • 2.Qb3#
      • 1...Kxa5
        • 2.Qb5#

Anticipated by 4617(1884), 119959(1924)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT,XS(A)::QAR1(C)
      • K(a);P-FLIGHT,XS(D)::QAR1(C)
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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).