MESON Chess Problem Database

Problem Display
PID: 183391 (7K/2R4B/2r4p/1p1p3Q/b7/8/rpp4R/1NkN4 w - - 0 1)

Neale, Harry R

The Problemist, 1943

7K/2R4B/2r4p/1p1p3Q/b7/8/rpp4R/1NkN4

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...cxd1B
      • 2.Qxh6#
  • Keys
    • 1.Sf2!
      • threat
        • 2.Rh1#
      • 1...Kxb1
        • 2.Rh1#
        • 2.Qd1#
      • 1...cxb1Q
        • 2.Qxh6#
      • 1...cxb1S
        • 2.Sd3#
      • 1...cxb1B
        • 2.Qxh6#
      • 1...cxb1R
        • 2.Sd3#
        • 2.Qxh6#
      • 1...Re6
        • 2.Qd1#
      • 1...Rg6
        • 2.Qd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(d);P_SPINR(h),SBLOCK,XS(B)::QAB(D),XP(i)
  • Actual
    • S(B);
    • Threat
      • R(C)
    • Vars
      • P(d);P_SPINR(h),XS(A)::QAB(D),XP(i)
      • P(d);P_SPINR(h),SBLOCK,XS(A)::S(B)
      • R(h);P_SPINP(d)::QAR1(D)
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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).