MESON Chess Problem Database

Problem Display
PID: 11419 (2r2r2/QP1Pb3/1N1k1pBR/1P1N1P2/1PqpPP1K/1b1p4/8/8 w - - 0 1)

Froberg, Johan Hilding Laurentius

Problemschack, 1938

2r2r2/QP1Pb3/1N1k1pBR/1P1N1P2/1PqpPP1K/1b1p4/8/8

#2

13 + 9

SOLUTION

  • SOUND
  • Keys
    • 1.Be8!
      • threat
        • 2.e5#
      • 1...Qxb5
        • 2.dxc8S#
      • 1...Qxd5
        • 2.bxc8S#
      • 1...Qxb4
        • 2.Sxc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(I);P_PINP(f)
    • Threat
      • P(B)
    • Vars
      • Q(c);N_GUARD,XP(E)::PXR(h)=S
      • Q(c);N_GUARD,XS(F)::PXR(h)=S
      • Q(c);N_GUARD,XP(A)::S(H),XR(h)
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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).