MESON Chess Problem Database

Problem Display
PID: 152332 (nRb1k3/n2p4/8/1N3Q2/1R2p1NB/b4p1K/1prrp3/8 w - - 0 1)

Dawson, Thomas Rayner

Springbok, 1939

nRb1k3/n2p4/8/1N3Q2/1R2p1NB/b4p1K/1prrp3/8

#2

7 + 12

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Sxd6#
    • 1...d5
      • 2.Sd6#
    • 1...d6
      • 2.Rxe4#
  • Tries
    • 1.Se5?
      • threat
        • 2.Qf7#
      • 1...d5
        • 2.Sd6#
      • 1...d6!
  • Keys
    • 1.Sh6!
      • threat
        • 2.Qf7#
      • 1...d5
        • 2.Sd6#
      • 1...d6
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(c);N_GUARD::S(E),XR(c)
    • P(i);S_CUTR(c)::S(E)
    • P(i);S_CUTB(e)::R(B),XP(g)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(F)
      • Vars
        • P(i);P_PINQ(F),S_CUTR(c)::S(E)
      • Refutation
        • P(i);P_PINQ(F)
  • Actual
    • S(C);
    • Threat
      • QAB1(F)
    • Vars
      • P(i);P_PINQ(F),S_CUTR(c)::S(E)
      • P(i);P_PINQ(F),S_CUTB(e)::R(B),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).