MESON Chess Problem Database

Problem Display
PID: 151605 (2Nk1b1R/4p2p/6Nq/2Rp2rp/BK1Q2p1/8/8/3br3 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1935

2Nk1b1R/4p2p/6Nq/2Rp2rp/BK1Q2p1/8/8/3br3

#2

7 + 11

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qxd5#
    • 1...e6
      • 2.Qf6#
  • Tries
    • 1.Sa7?
      • threat
        • 2.Rc8#
      • 1...e5
        • 2.Qxd5#
      • 1...e6
        • 2.Qf6#
      • 1...Bxa4!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Rc8#
      • 1...e5
        • 2.Qxd5#
      • 1...e6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(h);P_PINR(D),S_CUTR(e)::QAR(C),XP(d)
    • P(h);OGATEB,P_PINR(D)::QAB(C)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(D)
      • Vars
        • P(h);P_PINR(D),S_CUTR(e)::QAR(C),XP(d)
        • P(h);OGATEB,P_PINR(D)::QAB(C)
      • Refutation
        • B(a);XB(A)
  • Actual
    • S(F);
    • Threat
      • R1(D)
    • Vars
      • P(h);P_PINR(D),S_CUTR(e)::QAR(C),XP(d)
      • P(h);OGATEB,P_PINR(D)::QAB(C)
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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).