MESON Chess Problem Database

Problem Display
PID: 184737 (8/4QK2/1pk2n2/3R4/8/8/3N4/8 w - - 0 1)

Dutschke, Rudolf

Der Reichsbote, 1908

8/4QK2/1pk2n2/3R4/8/8/3N4/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Qd7#
    • 1...Sg4
      • 2.Qd7#
    • 1...Sh5
      • 2.Qd7#
    • 1...Sd7
      • 2.Qxd7#
    • 1...Sh7
      • 2.Qd7#
    • 1...Se8
      • 2.Qd7#
    • 1...Sg8
      • 2.Qd7#
  • Keys
    • 1.Sb3!
      • 1...Kxd5
        • 2.Qe6#
      • 1...Sxd5
        • 2.Sd4#
      • 1...Sd7
        • 2.Qxd7#
      • 1...b5
        • 2.Rd6#
      • 1...Se4
        • 2.Qd7#
      • 1...Sg4
        • 2.Qd7#
      • 1...Sh5
        • 2.Qd7#
      • 1...Sh7
        • 2.Qd7#
      • 1...Se8
        • 2.Qd7#
      • 1...Sg8
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::QAB1(C)
    • S(c);N_GUARD::QAB1(C),XS(c)
  • Actual
    • S(A);
    • Vars
      • K(b);S_FLIGHT,XR(B)::QAB1(C)
      • S(c);SBLOCK,XR(B)::S(A)
      • S(c);N_GUARD::QAB1(C),XS(c)
      • P(a);SBLOCK::R1(B)
      • S(c);N_GUARD::QAB1(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).