MESON Chess Problem Database

Problem Display
PID: 55288 (B1N5/2p5/4P3/1p6/P1k5/Qp2P3/1p1K4/1N6 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Illustrated Sporting and Dramatic News, 1895

B1N5/2p5/4P3/1p6/P1k5/Qp2P3/1p1K4/1N6

#2

8 + 5

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Sb6#
      • 2.Sd6#
    • 1...c6
      • 2.Sb6#
  • Tries
    • 1.Qd6?
      • threat
        • 2.Sa3#
        • 2.Bd5#
        • 2.Qd4#
      • 1...bxa4
        • 2.Sa3#
      • 1...c5
        • 2.Qf4#
      • 1...b4
        • 2.Bd5#
        • 2.Qxc7#
        • 2.Qd4#
        • 2.Qd5#
        • 2.Qc6#
      • 1...c6
        • 2.Sa3#
        • 2.Sb6#
        • 2.Qd4#
      • 1...cxd6!
    • 1.Qf8?
      • threat
        • 2.Sa3#
      • 1...c5
        • 2.Qf4#
      • 1...c6
        • 2.Sb6#
      • 1...b4!
    • 1.Qxb3+?
      • 1...Kc5
        • 2.Qc3#
        • 2.Qxb5#
      • 1...Kxb3!
    • 1.a5?
      • 1...c6
        • 2.Sb6#
      • 1...c5
        • 2.Sb6#
        • 2.Sd6#
      • 1...b4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Sa3#
      • 1...c5
        • 2.Qh4#
      • 1...c6
        • 2.Sb6#
      • 1...b4
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD::S(H)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • P(d);XP(E)::S(A)
        • P(e);SBLOCK::QAR(C)
      • Refutation
        • P(e);XQ(C)
    • Try
      • Q(C);
      • Threat
        • S(A)
      • Vars
        • P(e);SBLOCK::QAR(C)
        • P(e);N_GUARD::S(H)
      • Refutation
        • P(d);
    • Try
      • Q(C);CHECK,XP(b)
      • Refutation
        • K(c);S_FLIGHT,XQ(C)
    • Try
      • P(E);
      • Vars
        • P(e);N_GUARD::S(H)
      • Refutation
        • P(d);
  • Actual
    • Q(C);
    • Threat
      • S(A)
    • Vars
      • P(e);SBLOCK::QAR(C)
      • P(e);N_GUARD::S(H)
      • P(d);SBLOCK::QAR(C),XP(e)
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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).