MESON Chess Problem Database

Problem Display
PID: 4848 (1n6/Q4b2/2Bnp3/3Nk1K1/1P1Np1P1/7R/8/8 w - - 0 1)

Williams, Philip Hamilton

3rd Prize, Liverpool Weekly Mercury, 1892

1n6/Q4b2/2Bnp3/3Nk1K1/1P1Np1P1/7R/8/8

#2

8 + 6

15569 Chess Problems by Philip H. Williams

SOLUTION

  • SOUND
  • Sets
    • 1...Bh5
      • 2.Qg7#
    • 1...Bg6
      • 2.Qg7#
    • 1...Be8
      • 2.Qg7#
    • 1...Bg8
      • 2.Qg7#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Qc5#
      • 1...Sa6
        • 2.Sd7#
      • 1...Sd7
        • 2.Sxd7#
      • 1...Sb7!
  • Keys
    • 1.Sb6!
      • 1...Kxd4
        • 2.Qa1#
      • 1...Sxc6
        • 2.Sxc6#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sb5
        • 2.Sc4#
      • 1...Sf5
        • 2.Sc4#
      • 1...Sb7
        • 2.Sc4#
      • 1...Sc8
        • 2.Sc4#
      • 1...Se8
        • 2.Sc4#
      • 1...Sa6
        • 2.Sd7#
      • 1...Bh5
        • 2.Qg7#
      • 1...Bg6
        • 2.Qg7#
      • 1...Be8
        • 2.Qg7#
      • 1...Bg8
        • 2.Qg7#
      • 1...Sd7
        • 2.Sxd7#
      • 1...e3
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • B(e);OGATE::QAB(H)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR2(H)
      • Vars
        • S(f);N_GUARD::S(E)
        • S(f);N_GUARD::S(E),XS(f)
      • Refutation
        • S(c);
  • Actual
    • S(E);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(C)::QAB(H)
      • S(f);XB(G)::S(C),XS(f)
      • S(c);N_GUARD::S(E),XS(c)
      • S(c);N_GUARD::S(E)
      • S(f);N_GUARD::S(E)
      • B(e);OGATE::QAB(H)
      • S(f);N_GUARD::S(E),XS(f)
      • P(a);N_GUARD::S(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).