MESON Chess Problem Database

Problem Display
PID: 77308 (8/4p3/4pk1N/1r5p/8/5PQ1/1q2R2K/B7 w - - 0 1)

Pelle, Charles

10th Comm., Pat, 1938

(First published on Mon Aug 15 1938)

8/4p3/4pk1N/1r5p/8/5PQ1/1q2R2K/B7

#2

6 + 6

14868 Pirnie Collection 2012
136 Problem Observer 2017

SOLUTION

  • SOUND
  • Keys
    • 1.Rg2!
      • threat
        • 2.Qg7#
      • 1...Rg5
        • 2.Qxg5#
      • 1...e5
        • 2.Qg6#
      • 1...Qe5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(B);
    • Threat
      • QAB1(E)
    • Vars
      • R(b);N_GUARD::QAB1(E),XR(b)
      • P(d);N_SPINQ(a),SBLOCK::QAR1(E)
      • Q(a);N_PINR(B),P_PINQ(E),S_CUTR(b)::QAR2(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).