MESON Chess Problem Database

Problem Display
PID: 133877 (3R3q/1KNNPQnp/1p5r/1p5r/kB2R2p/1p6/8/8 w - - 0 1)

Russell Johnson, Rev P

The Field, 1962

(First published on Thu Jul 5 1962)

3R3q/1KNNPQnp/1p5r/1p5r/kB2R2p/1p6/8/8

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Sxb6#
    • 1...Se8
      • 2.Ra8#
    • 1...b2
      • 2.Qa2#
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qa1#
      • 1...b2
        • 2.Qd1#
      • 1...Sf5
        • 2.Qxb5#
      • 1...Se6
        • 2.Sxb6#
      • 1...Se8
        • 2.Ra8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(h);S_CUTR(g)::S(E),XP(f)
    • S(h);S_CUTQ(j)::R(H)
    • P(a);OGATE::QAR2(G)
  • Actual
    • Q(G);
    • Threat
      • QAR(G)
    • Vars
      • P(a);OGATEB::QAB(G)
      • S(h);S_CUTR(e)::QAB1(G),XP(d)
      • S(h);S_CUTR(g)::S(E),XP(f)
      • S(h);S_CUTQ(j)::R(H)
HTML5 logo

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).