MESON Chess Problem Database

Problem Display
PID: 55290 (3N4/3p4/K2Br3/1N1kPR2/1p2p3/1P1r1p2/3P1P2/7Q w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Daily News, 1901

3N4/3p4/K2Br3/1N1kPR2/1p2p3/1P1r1p2/3P1P2/7Q

#2

10 + 7

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sc7#
    • 1...Rxe5
      • 2.Rxe5#
    • 1...Rxd6+
      • 2.exd6#
    • 1...Rf6
      • 2.exf6#
    • 1...Rg6
      • 2.e6#
    • 1...Rh6
      • 2.e6#
    • 1...Re7
      • 2.e6#
    • 1...Re8
      • 2.e6#
    • 1...e3
      • 2.Qxf3#
  • Tries
    • 1.Qc1?
      • threat
        • 2.Qc4#
        • 2.Qc5#
      • 1...Rxd6+
        • 2.exd6#
      • 1...Rxb3
        • 2.Qc5#
      • 1...e3
        • 2.Qc4#
      • 1...Rd4
        • 2.Sc7#
        • 2.Qc5#
      • 1...Rc3!
  • Keys
    • 1.Qd1!
      • 1...Rxd6+
        • 2.exd6#
      • 1...Rxd2
        • 2.Qxd2#
      • 1...Rxb3
        • 2.Qxb3#
      • 1...Rxe5
        • 2.Rxe5#
      • 1...e3
        • 2.Qxf3#
      • 1...Rc3
        • 2.dxc3#
      • 1...Re3
        • 2.dxe3#
      • 1...Rd4
        • 2.Sc7#
      • 1...Rf6
        • 2.exf6#
      • 1...Rg6
        • 2.e6#
      • 1...Rh6
        • 2.e6#
      • 1...Re7
        • 2.e6#
      • 1...Re8
        • 2.e6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::S(E)
    • R(f);N_PINB(I),OGATE,P_SPINR(f),XP(F)::R1(G),XR(f)
    • R(f);CHECK,OGATE,XB(I)::R(G)+P(F),XR(f)
    • R(f);OGATE::R(G)+P(F),XR(f)
    • R(f);OGATE::R(G)+P(F)
    • R(f);N_PINB(I),OGATE::R(G)+P(F)
    • P(d);OGATEB,P_SPINP(b)::QAB(A),XP(b)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);CHECK,OGATE,XB(I)::R(G)+P(F),XR(f)
        • R(a);XP(D)::QAR1(A)
        • P(d);::QAB1(A)
      • Refutation
        • R(a);
  • Actual
    • Q(A);
    • Vars
      • R(f);CHECK,OGATE,XB(I)::R(G)+P(F),XR(f)
      • R(a);OGATE,P_SPINR(a),XP(B)::QAR(A),XR(a)
      • R(a);OGATE,XP(D)::QAB(A),XR(a)
      • R(f);N_PINB(I),OGATE,P_SPINR(f),XP(F)::R1(G),XR(f)
      • P(d);OGATEB::QAB(A),XP(b)
      • R(a);::QAR(A)+P(B),XR(a)
      • R(a);SBLOCK::S(E)
      • R(f);OGATE::R(G)+P(F),XR(f)
      • R(f);OGATE::R(G)+P(F)
      • R(f);N_PINB(I),OGATE::R(G)+P(F)
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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).