MESON Chess Problem Database

Problem Display
PID: 267394 (K1R1R3/7b/p1N1N3/r2kP3/1p1np3/2BP4/2pQp3/1q3r2 w - - 0 1)

Eddy, Edwin John

Sunday Referee, 1938

(First published on Sun Dec 11 1938)

K1R1R3/7b/p1N1N3/r2kP3/1p1np3/2BP4/2pQp3/1q3r2

#2

9 + 11

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Sxb4#
    • 1...Sxe6
      • 2.Se7#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qxd4#
      • 1...Sxc6
        • 2.Sc7#
      • 1...Sxe6
        • 2.Se7#
      • 1...Sb3
        • 2.Sxb4#
      • 1...Sf3
        • 2.Sf4#
      • 1...Sb5
        • 2.Qc5#
      • 1...Sf5
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(f);S_CUTQ(a)::S(E),XP(e)
    • S(f);SBLOCK,XS(F)::S(E)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XS(f)
    • Vars
      • S(f);SBLOCK,XS(E)::S(F)
      • S(f);SBLOCK,XS(F)::S(E)
      • S(f);S_CUTQ(a)::S(E),XP(e)
      • S(f);S_CUTR(b)::S(F)
      • S(f);OGATE::QAR1(A)
      • S(f);S_CUTB(k)::QAB1(A),XP(g)
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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).