MESON Chess Problem Database

Problem Display
PID: 108243 (1n4B1/N1p4p/n1Pk3q/5Q1r/1P1B1b1N/8/8/1K6 w - - 0 1)

Cudmore, Henry

Birmingham Post, 1897

1n4B1/N1p4p/n1Pk3q/5Q1r/1P1B1b1N/8/8/1K6

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qg5
      • 2.Qe6#
    • 1...Qg7
      • 2.Qe6#
    • 1...Qf8
      • 2.Qe6#
      • 2.Qxf8#
    • 1...Qe6
      • 2.Qxe6#
    • 1...Qf6
      • 2.Qxf6#
    • 1...Rxf5
      • 2.Sxf5#
    • 1...Bg5
      • 2.Qe5#
    • 1...Sxb4
      • 2.Bc5#
    • 1...Sc5
      • 2.Bxc5#
    • 1...Sxc6
      • 2.Sc8#
    • 1...Sd7
      • 2.Qxd7#
  • Tries
    • 1.b5?
      • threat
        • 2.Sc8#
      • 1...Qf8
        • 2.Qe6#
        • 2.Qxf8#
      • 1...Qe6
        • 2.Qxe6#
      • 1...Ke7!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Qf8#
      • 1...Ke7
        • 2.Qf8#
      • 1...Qxg7
        • 2.Qe6#
      • 1...Rxf5
        • 2.Sxf5#
      • 1...Sxc6
        • 2.Sc8#
      • 1...Qg5
        • 2.Qe6#
      • 1...Qe6
        • 2.Qxe6#
      • 1...Qf6
        • 2.Qxf6#
      • 1...Qg6
        • 2.Bf8#
      • 1...Bg5
        • 2.Qe5#
      • 1...Sd7
        • 2.Qxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(e);N_GUARD::QAR1(E)
    • Q(e);N_GUARD::QAR1(E),XQ(e)
    • Q(e);N_GUARD::QAR2(E),XQ(e)
    • R(b);XQ(E)::S(D),XR(b)
    • B(a);N_GUARD,S_CUTR(b)::QAB1(E)
    • S(c);N_GUARD,XP(B)::B(C)
    • S(c);N_GUARD::B(C),XS(c)
    • S(h);SBLOCK,XP(F)::S(G)
    • S(h);N_GUARD::QAR1(E),XS(h)
  • Tries
    • Try
      • P(B);
      • Threat
        • S(G)
      • Vars
        • Q(e);N_GUARD::QAR1(E),XQ(e)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAB(E)
    • Vars
      • K(d);S_FLIGHT::QAB1(E)
      • Q(e);N_GUARD,XB(C)::QAR1(E)
      • R(b);XQ(E)::S(D),XR(b)
      • S(h);SBLOCK,XP(F)::S(G)
      • Q(e);N_GUARD::QAR1(E)
      • Q(e);N_GUARD::QAR1(E),XQ(e)
      • Q(e);N_GUARD::QAR2(E),XQ(e)
      • Q(e);N_GUARD,P_PINQ(E)::B(C)
      • B(a);N_GUARD,S_CUTR(b)::QAB1(E)
      • S(h);N_GUARD::QAR1(E),XS(h)
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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).