Problem Display
PID: 56156 (8/2N5/5Q1K/5p2/1P2k3/1p6/1N1n1pPP/2Br1n2 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Southern Counties' Chess Journal, 1895

8/2N5/5Q1K/5p2/1P2k3/1p6/1N1n1pPP/2Br1n2

#2

8 + 7


3262 700 Chess Problems 1902

SOLUTION


  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe5#
    • 1...Kf4
      • 2.Qd4#
  • Tries
    • 1.Qe6+?
      • 1...Kd4
        • 2.Sb5#
      • 1...Kf4!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qd4#
      • 1...Ke3
        • 2.Qe5#
      • 1...Kf4
        • 2.Qd4#
      • 1...Kd5
        • 2.Sc3#
      • 1...Sb1
        • 2.Qe6#
      • 1...Sf3
        • 2.Sc3#
      • 1...Sc4
        • 2.Sc3#
      • 1...f4
        • 2.Qe6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(f);P-FLIGHT,P_SPINS(c)::QAR2(F)
    • K(f);P-FLIGHT,P_SPINP(g),P_SPINS(c)::QAR2(F)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);P-FLIGHT::S(H)
      • Refutation
        • K(f);P-FLIGHT,P_SPINS(c)
  • Actual
    • S(H);
    • Threat
      • QAR1(F)
    • Vars
      • K(f);P-FLIGHT,P_SPINS(c)::QAR2(F)
      • K(f);P-FLIGHT,P_SPINP(g),P_SPINS(c)::QAR2(F)
      • K(f);S_FLIGHT::S(H)
      • S(c);::QAR2(F)
      • S(c);::S(H)
      • P(g);SBLOCK::QAR2(F)


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).