MESON Chess Problem Database

Problem Display
PID: 43737 (Q7/2P5/1rNB1P2/2qk3K/1b1N4/5R2/5P2/3R3B w - - 0 1)

Kipping, Cyril Stanley

Nottinghamshire Guardian, 1911

Q7/2P5/1rNB1P2/2qk3K/1b1N4/5R2/5P2/3R3B

#2

11 + 4

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4+
      • 2.Rf5#
    • 1...Qxd6
      • 2.Rc3#
  • Tries
    • 1.Rf5+?
      • 1...Kxd6
        • 2.Qd8#
      • 1...Kc4!
    • 1.Qg8+?
      • 1...Ke4+
        • 2.Rf5#
      • 1...Kxd6+!
  • Keys
    • 1.c8Q!
      • threat
        • 2.Qe6#
      • 1...Kc4+
        • 2.Se5#
      • 1...Ke4+
        • 2.Rf5#
      • 1...Kxd6+
        • 2.Sf5#
      • 1...Qxd4
        • 2.Rxd4#
      • 1...Qxd6
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);CHECK,S_FLIGHT::B(B)+R(D)
    • Q(b);SBLOCK,XB(H)::B(B)+R(D)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);P-FLIGHT,P_PINR(D),XB(H)::QAR2(K)
      • Refutation
        • K(c);P_PINR(D),S_FLIGHT
    • Try
      • Q(K);CHECK
      • Vars
        • K(c);CHECK,S_FLIGHT::B(B)+R(D)
      • Refutation
        • K(c);CHECK,P-FLIGHT,XB(H)
  • Actual
    • P(J);
    • Threat
      • QAB1(J)
    • Vars
      • K(c);CHECK,S_FLIGHT::S(G)
      • K(c);CHECK,S_FLIGHT::B(B)+R(D)
      • K(c);CHECK,P-FLIGHT,XB(H)::R(A)+S(E),DCHECK
      • Q(b);OGATE,P_SPINQ(b),XS(E)::R1(A),XQ(b)
      • Q(b);SBLOCK,XB(H)::B(B)+R(D)
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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).