MESON Chess Problem Database

Problem Display
PID: 56096 (bN1R4/8/Q3P1n1/2p5/2r1k1P1/1BP1P1K1/N2P4/4R3 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Kentish Mercury, 1892

bN1R4/8/Q3P1n1/2p5/2r1k1P1/1BP1P1K1/N2P4/4R3

#2

12 + 5

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.exd4#
    • 1...Sf4
      • 2.exf4#
  • Tries
    • 1.Rd4+?
      • 1...Ke5
        • 2.Sd7#
      • 1...Rxd4
        • 2.exd4#
      • 1...cxd4!
    • 1.Qc6+?
      • 1...Ke5
        • 2.Sd7#
      • 1...Bxc6!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qxc4#
      • 1...Kd3
        • 2.Sxc5#
      • 1...Kd5
        • 2.e4#
      • 1...Rxc3
        • 2.Sxc3#
      • 1...Ra4
        • 2.d3#
      • 1...Rb4
        • 2.d3#
      • 1...Rd4
        • 2.exd4#
      • 1...Bd5
        • 2.Bc2#
      • 1...Se5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(a);OGATE::R(A)+P(F),XR(a)
    • S(d);OGATE::R(A)+P(F),XS(d)
  • Tries
    • Try
      • R(L);CHECK
      • Vars
        • K(b);P-FLIGHT::S(K)
        • R(a);OGATE,XR(L)::R(A)+P(F),XR(a)
      • Refutation
        • P(c);XR(L)
    • Try
      • Q(I);CHECK
      • Vars
        • K(b);P-FLIGHT::S(K)
      • Refutation
        • B(e);XQ(I)
  • Actual
    • S(K);
    • Threat
      • QAR2(I),XR(a)
    • Vars
      • K(b);P_SPINR(a),S_FLIGHT::R(L)+S(K),DCHECK,XP(c)
      • K(b);OGATE,P_SPINR(a),S_FLIGHT::P(F)
      • R(a);P_PINP(F),XP(E)::S(B),XR(a)
      • R(a);::P(C)
      • R(a);OGATE::R(A)+P(F),XR(a)
      • B(e);SBLOCK::B(D)
      • S(d);SBLOCK::S(K)
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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).