MESON Chess Problem Database

Problem Display
PID: 206705 (8/8/8/1P6/3Pk3/2Q4P/8/1K4B1 w - - 0 1)

Harder, Karl

Frankische Arbeiter Schachzeitung, 1925

8/8/8/1P6/3Pk3/2Q4P/8/1K4B1

#2

6 + 1

6490 yacpdb 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qc6#
  • Keys
    • 1.Qc8!
      • 1...Kd3
        • 2.Qc2#
      • 1...Kf3
        • 2.Qg4#
      • 1...Kf4
        • 2.Qg4#
      • 1...Kd5
        • 2.Qc6#

Anticipated by 31378(1883), 193658(1915)

This anticipates 106765(1955), 105390(1991), 99408(1995), 199902(2017), 217416(2020)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(C)
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::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).