Problem Display
PID: 56838 (2B2N2/2Kp4/2P4P/Rb1pk3/1B3p2/8/5N2/3Q4 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

3rd Prize, Brighton Society, 1895

2B2N2/2Kp4/2P4P/Rb1pk3/1B3p2/8/5N2/3Q4

#2

9 + 5


3262 700 Chess Problems 1902

SOLUTION


  • SOUND
  • Tries
    • 1.Sxd7+?
      • 1...Kf5
        • 2.Qg4#
      • 1...Ke6!
    • 1.Bc3+?
      • 1...Kf5
        • 2.Qg4#
        • 2.Qh5#
        • 2.Qxd5#
      • 1...d4!
    • 1.Qh5+?
      • 1...Kf6
        • 2.Sg4#
      • 1...Kd4!
    • 1.Qxd5+?
      • 1...Kf6
        • 2.Se4#
        • 2.Sg4#
      • 1...Kxd5!
  • Keys
    • 1.Qg4!
      • 1...Kd4
        • 2.Qxf4#
      • 1...Kf6
        • 2.Qxf4#
      • 1...Bxc6
        • 2.Bc3#
      • 1...dxc6
        • 2.Qg7#
      • 1...Bf1
        • 2.Bc3#
      • 1...Be2
        • 2.Bc3#
      • 1...Bd3
        • 2.Bc3#
      • 1...Ba4
        • 2.Bc3#
      • 1...Bc4
        • 2.Bc3#
      • 1...Ba6
        • 2.Bc3#
      • 1...f3
        • 2.Sxd7#
      • 1...d4
        • 2.Qg5#
      • 1...d6
        • 2.Qg7#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);CHECK,XP(e)
      • Vars
        • K(d);P-FLIGHT::QAB1(A)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • B(C);CHECK
      • Refutation
        • P(c);P_SPINB(b),P_SPINP(c)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);S_FLIGHT::S(B)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);CHECK,XP(c)
      • Refutation
        • K(d);P-FLIGHT,P_SPINB(b),XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(d);P_SPINP(a),S_FLIGHT::QAR2(A),XP(a)
      • K(d);S_FLIGHT::QAR2(A),XP(a)
      • B(b);P_SPINP(c),XP(E)::B(C)
      • P(e);XP(E)::QAB(A)
      • B(b);P_SPINP(c)::B(C)
      • P(a);::S(I),XP(e)
      • P(c);P_SPINB(b),SBLOCK::QAR2(A)
      • P(e);::QAB(A)


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).