MESON Chess Problem Database

Problem Display
PID: 81899 (bN2R3/8/1n2pp2/2K1k1p1/p2pPq2/4R1p1/3P4/4B2Q w - - 0 1)

Harding, D

The Field, 1953

(First published on Thu Apr 2 1953)

bN2R3/8/1n2pp2/2K1k1p1/p2pPq2/4R1p1/3P4/4B2Q

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Sxc6#
    • 1...Sc4
      • 2.Sd7#
    • 1...Sd5
      • 2.Sd7#
    • 1...Sd7+
      • 2.Sxd7#
    • 1...Sc8
      • 2.Sd7#
    • 1...dxe3
      • 2.d4#
    • 1...f5
      • 2.Qh8#
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qc7#
      • 1...Sd7+
        • 2.Sxd7#
      • 1...Qxe3
        • 2.Qf5#
      • 1...Qxe4
        • 2.Bxg3#
      • 1...Bxe4
        • 2.Sc6#
      • 1...dxe3
        • 2.d4#
      • 1...f5
        • 2.Qg7#
        • 2.Qh8#
      • 1...Sc4
        • 2.Sd7#
      • 1...Sd5
        • 2.Sd7#
      • 1...Sc8
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(j);N_GUARD::S(G),XB(j)
    • S(g);N_GUARD::S(G)
    • S(g);CHECK,N_GUARD::S(G),XS(g)
    • P(c);OGATE,XR(D)::P(C)
    • P(i);OGATEB::QAB(B)
  • Actual
    • Q(B);
    • Threat
      • QAB(B)
    • Vars
      • S(g);CHECK,N_GUARD::S(G),XS(g)
      • Q(d);N_GUARD,XR(D)::QAR1(B)
      • Q(d);OGATEB,P_SPINQ(d),XP(E)::B(A),XP(a)
      • B(j);N_GUARD,P_SPINB(j),XP(E)::S(G)
      • P(c);OGATE,XR(D)::P(C)
      • S(g);N_GUARD::S(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).