MESON Chess Problem Database

Problem Display
PID: 55901 (1K2R3/3p2R1/1B1Pb1B1/4P1P1/3p1k1p/2N4P/1N2Pn2/6Q1 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Pictorial World, 1890

1K2R3/3p2R1/1B1Pb1B1/4P1P1/3p1k1p/2N4P/1N2Pn2/6Q1

#2

13 + 6

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qc1#
    • 1...Kxe5
      • 2.Qh2#
    • 1...Bxh3
      • 2.Sd5#
    • 1...Bd5
      • 2.Sxd5#
    • 1...Sd1
      • 2.Sd3#
    • 1...Sh1
      • 2.Sd3#
    • 1...Sd3
      • 2.Sxd3#
    • 1...Sxh3
      • 2.Sd3#
    • 1...Se4
      • 2.Sd3#
  • Tries
    • 1.Sd3+?
      • 1...Ke3
        • 2.Qc1#
      • 1...Sxd3!
    • 1.Qxf2+?
      • 1...Kxe5
        • 2.Sc4#
        • 2.Qxd4#
        • 2.Qh2#
      • 1...Kxg5!
    • 1.Qc1+?
      • 1...Kxe5
        • 2.Sc4#
      • 1...Kg3!
  • Keys
    • 1.Bh7!
      • 1...Ke3
        • 2.Qc1#
      • 1...Kxe5
        • 2.Qh2#
      • 1...Bxh3
        • 2.Sd5#
      • 1...Sxh3
        • 2.Sd3#
      • 1...dxc3
        • 2.Qh2#
      • 1...Ba2
        • 2.Qxf2#
      • 1...Bb3
        • 2.Qxf2#
      • 1...Bc4
        • 2.Qxf2#
      • 1...Bg4
        • 2.Sd5#
      • 1...Bd5
        • 2.Sxd5#
      • 1...Bf5
        • 2.Qxf2#
      • 1...Bf7
        • 2.Qxf2#
      • 1...Bg8
        • 2.Qxf2#
      • 1...Sd1
        • 2.Sd3#
      • 1...Sh1
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Se4
        • 2.Sd3#
      • 1...Sg4
        • 2.Sd3#
      • 1...d3
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT::QAB(A)
    • K(c);P_SPINB(e),S_FLIGHT,XP(F)::QAB(A)
    • B(e);N_GUARD,XP(E)::S(D)
    • B(e);N_GUARD::S(D),XB(e)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • S(a);N_GUARD,XP(E)::S(B)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT::QAB(A)
      • Refutation
        • S(a);XS(B)
    • Try
      • Q(A);CHECK,XS(a)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P_SPINB(e),S_FLIGHT,XP(F)::S(B)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(J);
    • Vars
      • K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT::QAB(A)
      • K(c);P_SPINB(e),S_FLIGHT,XP(F)::QAB(A)
      • B(e);N_GUARD,XP(E)::S(D)
      • S(a);N_GUARD,XP(E)::S(B)
      • P(b);XS(D)::QAB(A)
      • B(e);::QAR2(A),XS(a)
      • B(e);N_GUARD::S(D)
      • B(e);N_GUARD::S(D),XB(e)
      • S(a);N_GUARD::S(B)
      • S(a);N_GUARD::S(B),XS(a)
      • P(b);::QAB(A)
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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).