MESON Chess Problem Database

Problem Display
PID: 44305 (r1B2R1n/1Q1N3P/1p3N1b/pK2Bkq1/3Pp3/5p2/6R1/8 w - - 0 1)

Kipping, Cyril Stanley

Strong, H

Hampshire Post, 1912

r1B2R1n/1Q1N3P/1p3N1b/pK2Bkq1/3Pp3/5p2/6R1/8

#2

10 + 9

4792 300 Chess Problems 1916
56 The Problemist 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Sc5#
      • 2.Sb8#
    • 1...Qd2
      • 2.Sb8#
    • 1...Qe3
      • 2.Sb8#
    • 1...Qf4
      • 2.Sb8#
    • 1...Qh4
      • 2.Sb8#
    • 1...Qxf6
      • 2.Sb8#
      • 2.Rxf6#
    • 1...Qh5
      • 2.Sb8#
    • 1...Qg6
      • 2.Sb8#
    • 1...Sg6
      • 2.Sb8#
  • Tries
    • 1.Sc5+?
      • 1...Rxc8
        • 2.Qxe4#
      • 1...Kg6!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Qxe4#
      • 1...Kxf4+
        • 2.Sd5#
      • 1...Ke6+
        • 2.Sc5#
      • 1...Kg6+
        • 2.Se5#
      • 1...Qxf4
        • 2.Sb8#
      • 1...Qxf6
        • 2.Rxf6#
      • 1...e3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • Q(e);::B(I)+S(G)
    • S(i);SBLOCK::B(I)+S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • R(h);XB(I)::QAB1(F),XP(b)
      • Refutation
        • K(d);P_SPINQ(e),S_FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAB1(F),XP(b)
    • Vars
      • K(d);CHECK,P-FLIGHT,XB(D)::R(J)+S(E),DCHECK
      • K(d);CHECK,S_FLIGHT::B(I)+S(G),DCHECK
      • K(d);CHECK,P_SPINQ(e),S_FLIGHT::S(G)
      • Q(e);SBLOCK,XB(D)::B(I)+S(G)
      • Q(e);OGATE,P_SPINQ(e),XS(E)::R1(J),XQ(e)
      • P(b);::QAB1(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).