MESON Chess Problem Database

Problem Display
PID: 117317 (8/5p2/N2K2p1/p3n2r/PR6/2kp4/Q7/b7 w - - 0 1)

Laws, Benjamin Glover

Bolton Football and Field, 1896

8/5p2/N2K2p1/p3n2r/PR6/2kp4/Q7/b7

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Qxb2#
    • 1...Sf3
      • 2.Rc4#
    • 1...Sc4+
      • 2.Rxc4#
    • 1...Sg4
      • 2.Rc4#
    • 1...Sc6
      • 2.Rc4#
    • 1...Sd7
      • 2.Rc4#
    • 1...d2
      • 2.Qb3#
  • Keys
    • 1.Sc7!
      • threat
        • 2.Sd5#
      • 1...Sc4+
        • 2.Rxc4#
      • 1...Kxb4
        • 2.Sd5#
      • 1...axb4
        • 2.Sb5#
      • 1...Bb2
        • 2.Qxb2#
      • 1...d2
        • 2.Qb3#
      • 1...Sf3
        • 2.Rc4#
      • 1...Sg4
        • 2.Rc4#
      • 1...Sc6
        • 2.Rc4#
      • 1...Sd7
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB1(A),XB(a)
    • S(e);N_GUARD::R1(C)
    • S(e);CHECK,N_GUARD::R1(C),XS(e)
    • P(c);SBLOCK::QAR1(A)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • S(e);CHECK,N_GUARD::R1(C),XS(e)
      • K(b);S_FLIGHT,XR(C)::S(D)
      • P(d);SBLOCK,XR(C)::S(D)
      • B(a);N_GUARD::QAB1(A),XB(a)
      • P(c);SBLOCK::QAR1(A)
      • S(e);N_GUARD::R1(C)
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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).