MESON Chess Problem Database

Problem Display
PID: 61620 (b6K/4R2Q/r7/8/3p4/3R2p1/1pp1B3/1rk5 w - - 0 1)

Neale, Harry R

Chess, 1943

b6K/4R2Q/r7/8/3p4/3R2p1/1pp1B3/1rk5

#2

5 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qh6#
    • 1...Ra2
      • 2.Qh6#
    • 1...Ra3
      • 2.Qh6#
    • 1...Ra4
      • 2.Qh6#
    • 1...Rc6
      • 2.Qh1#
    • 1...Rh6
      • 2.Qxh6#
    • 1...Ra7
      • 2.Qh6#
    • 1...Bh1
      • 2.Qxh1#
    • 1...Bc6
      • 2.Qh6#
  • Keys
    • 1.Rc7!
      • threat
        • 2.Rd1#
      • 1...Rc6
        • 2.Qh1#
      • 1...Bc6
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • R(g);N_GUARD::QAB(D)
    • R(g);S_CUTB(h)::QAR(D)
    • R(g);N_GUARD,P_PINQ(D)::QAB(D),XR(g)
    • B(h);N_GUARD::QAR(D),XB(h)
    • B(h);S_CUTR(g)::QAB(D)
  • Actual
    • R(C);P_PINP(d)
    • Threat
      • R1(B)
    • Vars
      • R(g);N_SPINP(d),S_CUTB(h)::QAR(D)
      • B(h);N_SPINP(d),S_CUTR(g)::QAB(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).