Problem Display
PID: 33308 (1K2N1B1/2p2p1r/2P3n1/R3pkp1/2Q3n1/2NP4/8/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

3rd Prize, Sheffield Weekly Independent, 1888

1K2N1B1/2p2p1r/2P3n1/R3pkp1/2Q3n1/2NP4/8/8

#2

8 + 8


3262 700 Chess Problems 1902
14868 Pirnie Collection 2011

SOLUTION


  • SOUND
  • Sets
    • 1...f6
      • 2.Be6#
      • 2.Qe4#
  • Tries
    • 1.Sg7+?
      • 1...Kf6
        • 2.Qxf7#
      • 1...Rxg7!
    • 1.Bxf7?
      • threat
        • 2.Be6#
        • 2.Qe4#
      • 1...Sf2
        • 2.Be6#
      • 1...Sf6
        • 2.Be6#
      • 1...Sf4
        • 2.Qe4#
      • 1...Sh4
        • 2.Qe4#
      • 1...Se7
        • 2.Qe4#
      • 1...Sf8
        • 2.Qe4#
      • 1...Sh8
        • 2.Qe4#
      • 1...Rxf7!
  • Keys
    • 1.Sd5!
      • 1...Ke6
        • 2.Qxg4#
      • 1...Sf4
        • 2.Se7#
      • 1...Sh4
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...Sf8
        • 2.Se7#
      • 1...Sh8
        • 2.Se7#
      • 1...e4
        • 2.Qxe4#
      • 1...Rh1
        • 2.Sg7#
      • 1...Rh2
        • 2.Sg7#
      • 1...Rh3
        • 2.Sg7#
      • 1...Rh4
        • 2.Sg7#
      • 1...Rh5
        • 2.Sg7#
      • 1...Rh6
        • 2.Sg7#
      • 1...Rg7
        • 2.Sxg7#
      • 1...Rh8
        • 2.Sg7#
      • 1...Sf2
        • 2.Se3#
      • 1...Sh2
        • 2.Se3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sf6
        • 2.Se3#
      • 1...Sh6
        • 2.Se3#
      • 1...f6
        • 2.Qe4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 21
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT::QAR1(C),XP(g)
      • Refutation
        • R(h);XS(G)
    • Try
      • B(H);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::B(H)
        • S(e);::QAB1(C)
      • Refutation
        • R(h);XB(H)
  • Actual
    • S(A);N_PINP(b)
    • Vars
      • K(c);P_SPINP(g),S_FLIGHT::QAB(C),XS(a)
      • S(e);N_GUARD::S(A)
      • S(e);N_GUARD::S(A),XS(e)
      • P(b);::QAB1(C),XP(b)
      • R(h);N_GUARD::S(G)
      • R(h);N_GUARD::S(G),XR(h)
      • S(a);N_GUARD::S(A)
      • S(a);N_GUARD::S(A),XS(a)
      • P(g);::QAB1(C)


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).