MESON Chess Problem Database

Problem Display
PID: 153237 (2k5/4Rp2/1bN2P2/p1p2R2/r5B1/p4P2/b4Qp1/6K1 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1944

2k5/4Rp2/1bN2P2/p1p2R2/r5B1/p4P2/b4Qp1/6K1

#2

8 + 9

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Rf4#
    • 1...Bc4
      • 2.Rd5#
    • 1...c4
      • 2.Rf4#
      • 2.Rxa5#
      • 2.Rb5#
      • 2.Rc5#
      • 2.Rd5#
      • 2.Rfe5#
      • 2.Rg5#
      • 2.Rh5#
  • Tries
    • 1.Qg3?
      • threat
        • 2.Qb8#
      • 1...c4+
        • 2.Rc5#
      • 1...Bc7
        • 2.Rxc7#
        • 2.Qxc7#
      • 1...Ba7
        • 2.Rc7#
        • 2.Qc7#
      • 1...Rf4!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qa6#
      • 1...c4+
        • 2.Rc5#
      • 1...Rc4
        • 2.Rf4#
      • 1...Bc4
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(d);S_CUTB(a)::B(D)+R(E)
    • B(a);S_CUTR(d)::B(D)+R(E)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • P(f);CHECK,S_CUTB(a),S_CUTR(d)::B(D)+R(E)
      • Refutation
        • R(d);
  • Actual
    • Q(B);
    • Threat
      • QAB(B)
    • Vars
      • P(f);CHECK,S_CUTB(a),S_CUTR(d)::B(D)+R(E)
      • R(d);S_CUTB(a)::B(D)+R(E)
      • B(a);S_CUTR(d)::B(D)+R(E)
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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).