MESON Chess Problem Database

Problem Display
PID: 224629 (8/1N6/3Bn2K/p7/q2k1N2/pr1P4/2Q2P2/5B1b w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Newark Sunday Call, 1888

8/1N6/3Bn2K/p7/q2k1N2/pr1P4/2Q2P2/5B1b

#2

8 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qd7
      • 2.Qc4#
    • 1...Qe8
      • 2.Qc4#
    • 1...Qc4
      • 2.Qxc4#
    • 1...Rxd3
      • 2.Qxd3#
    • 1...Bd5
      • 2.Se2#
    • 1...Sxf4
      • 2.Qc5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Sg5
      • 2.Qc5#
    • 1...Sc7
      • 2.Qc5#
    • 1...Sg7
      • 2.Qc5#
    • 1...Sd8
      • 2.Qc5#
    • 1...Sf8
      • 2.Qc5#
  • Tries
    • 1.Bc5+?
      • 1...Sxc5
        • 2.Qxc5#
      • 1...Ke5!
  • Keys
    • 1.Sd8!
      • threat
        • 2.Sdxe6#
      • 1...Rxd3
        • 2.Qxd3#
      • 1...Sxf4
        • 2.Qc5#
      • 1...Sxd8
        • 2.Qc5#
      • 1...Qd7
        • 2.Qc4#
      • 1...Qe8
        • 2.Qc4#
      • 1...Qc4
        • 2.Qxc4#
      • 1...Bd5
        • 2.Se2#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sg5
        • 2.Qc5#
      • 1...Sc7
        • 2.Qc5#
      • 1...Sg7
        • 2.Qc5#
      • 1...Sf8
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(d);N_GUARD::QAR1(B)
    • Q(d);N_GUARD::QAR1(B),XQ(d)
    • R(c);OGATE,XP(D)::QAR1(B),XR(c)
    • B(a);SBLOCK::S(E)
    • S(g);N_GUARD,XS(E)::QAB1(B)
    • S(g);N_GUARD::QAB1(B),XS(g)
    • S(g);N_GUARD::QAB1(B)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • S(g);OGATE,XB(F)::QAB1(B),XS(g)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(H);
    • Threat
      • S(H),XS(g)
    • Vars
      • R(c);OGATE,XP(D)::QAR1(B),XR(c)
      • S(g);N_GUARD,XS(E)::QAB1(B)
      • S(g);N_GUARD,XS(H)::QAB1(B)
      • Q(d);N_GUARD::QAR1(B)
      • Q(d);N_GUARD::QAR1(B),XQ(d)
      • B(a);SBLOCK::S(E)
      • S(g);N_GUARD::QAB1(B),XS(g)
      • S(g);N_GUARD::QAB1(B)
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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).