MESON Chess Problem Database

Problem Display
PID: 159074 (8/8/4Q1np/6pk/6R1/4K3/6P1/8 w - - 0 1)

Lassahn, Holger

Schwabische Zeitung, 2000

8/8/4Q1np/6pk/6R1/4K3/6P1/8

#2

4 + 4

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Keys
    • 1.Rh4+!
      • 1...Kxh4
        • 2.Qh3#
      • 1...Sxh4
        • 2.g4#
      • 1...gxh4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);CHECK
    • Vars
      • K(b);P-FLIGHT,XR(C)::QAR1(D)
      • S(c);SBLOCK,XR(C)::P(A)
      • P(a);SBLOCK,S_CUTS(c),XR(C)::QAR2(D)
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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).