MESON Chess Problem Database

Problem Display
PID: 151574 (K3br2/1p6/R4Bp1/PpkB4/1p2P1pQ/5pr1/n1n4b/1qR5 w - - 0 1)

Dawson, Thomas Rayner

Fairy Chess Review, 1935

K3br2/1p6/R4Bp1/PpkB4/1p2P1pQ/5pr1/n1n4b/1qR5

#2

8 + 14

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Qf2#
    • 1...Rh3
      • 2.Qf2#
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qe3#
        • 2.Qxf8#
      • 1...Bc6+
        • 2.Qxf8#
      • 1...Bd7+
        • 2.Qxf8#
      • 1...Bf7+
        • 2.Qxf8#
      • 1...Qxc1
        • 2.Qxf8#
      • 1...Rxf6
        • 2.Qe3#
      • 1...Sxc1
        • 2.Qxf8#
      • 1...bxa6
        • 2.Qxf8#
      • 1...b3
        • 2.Qxf8#
      • 1...b6
        • 2.Qxf8#
      • 1...Qa1
        • 2.Qxf8#
      • 1...Qb2
        • 2.Qxf8#
      • 1...Qb3
        • 2.Qxf8#
      • 1...Rg1
        • 2.Qe3#
      • 1...Rg2
        • 2.Qe3#
      • 1...Rh3
        • 2.Qe3#
      • 1...Rf7
        • 2.Qe3#
      • 1...Rg8
        • 2.Qe3#
      • 1...Rh8
        • 2.Qe3#
      • 1...Bg1
        • 2.Qxf8#
      • 1...Sc3
        • 2.Qxf8#
      • 1...f2
        • 2.Qxf8#
      • 1...g5
        • 2.Qxf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 20
    • REMOVED MATES = 0
  • Sets
    • R(f);OGATE::QAB(C)
  • Actual
    • Q(C);
    • Threat
      • DUALS(2)
    • Vars
      • B(m);CHECK::QAB(C),XR(n)
      • Q(a);N_SPINS(c),XR(A)::QAB(C),XR(n)
      • R(n);XB(G)::QAB(C)
      • S(b);N_SPINS(c),XR(A)::QAB(C),XR(n)
      • P(l);XR(F)::QAB(C),XR(n)
      • P(g);::QAB(C),XR(n)
      • P(l);::QAB(C),XR(n)
      • Q(a);::QAB(C),XR(n)
      • R(f);::QAB(C)
      • R(n);::QAB(C)
      • B(d);::QAB(C),XR(n)
      • S(b);N_SPINS(c)::QAB(C),XR(n)
      • P(e);::QAB(C),XR(n)
      • P(k);::QAB(C),XR(n)
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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).