MESON Chess Problem Database

Problem Display
PID: 203638 (8/8/8/8/4BKP1/7N/4P1r1/5N1k w - - 0 1)

Henke, Walter

Deutsche Schachzeitung, 1924

8/8/8/8/4BKP1/7N/4P1r1/5N1k

#2

6 + 2

6490 yacpdb 2020
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Kf3!
      • 1...Rf2+
        • 2.Kxf2#
      • 1...Rg3+
        • 2.Kxg3#
      • 1...Rxe2
        • 2.Kxe2#
      • 1...Rxg4
        • 2.Kxg4#
      • 1...Rg1
        • 2.Sf2#
      • 1...Rh2
        • 2.Sg3#

This anticipates 78395(1959), 94867(1989)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(E);N_PINR(b),P-FLIGHT
    • Vars
      • R(b);CHECK::B(D)+K(E),XR(b)
      • R(b);XP(B)::B(D)+K(E),XR(b)
      • R(b);XP(F)::B(D)+K(E),XR(b)
      • R(b);N_GUARD,SBLOCK::S(C)
      • R(b);N_GUARD,SBLOCK::S(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).