MESON Chess Problem Database

Problem Display
PID: 87889 (2R5/1B2n2r/2N1p3/4Pb2/K2Nk2r/3p2pP/3B1p2/8 w - - 0 1)

Weiss, Berthold

The Problemist, 1931

2R5/1B2n2r/2N1p3/4Pb2/K2Nk2r/3p2pP/3B1p2/8

#2

8 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sxe7#
      • 1...Kxf3+
        • 2.Sd4#
      • 1...Kd5+
        • 2.Sb4#
      • 1...Sxc6
        • 2.Bxc6#
      • 1...Sxc8
        • 2.Se7#
      • 1...Sd5
        • 2.Sg5#
      • 1...Sg6
        • 2.Se7#
      • 1...Sg8
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • B(G)+S(F),XS(h)
    • Vars
      • K(d);CHECK,S_FLIGHT,XS(D)::B(G)+S(F),DCHECK
      • K(d);CHECK,S_FLIGHT::B(G)+S(F),DCHECK
      • S(h);OGATE,P_SPINS(h),XS(F)::B(G),XS(h)
      • S(h);XR(H)::B(G)+S(F)
      • S(h);SBLOCK::S(D)
      • S(h);::B(G)+S(F)
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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).