MESON Chess Problem Database

Problem Display
PID: 70422 (3k4/5K2/N1p3Np/5Q2/r5p1/4b3/2r5/4B3 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1951

3k4/5K2/N1p3Np/5Q2/r5p1/4b3/2r5/4B3

#2

5 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Ba5#
    • 1...Rf4
      • 2.Bh4#
    • 1...Bg1
      • 2.Bh4#
    • 1...Bb6
      • 2.Bh4#
    • 1...Ba7
      • 2.Bh4#
  • Tries
    • 1.Se7?
      • threat
        • 2.Qc8#
      • 1...Rf2
        • 2.Sxc6#
      • 1...Rf4!
    • 1.Ba5+?
      • 1...Bb6
        • 2.Bxb6#
      • 1...Rxa5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qd7#
      • 1...Rd2
        • 2.Sxc6#
      • 1...Rf2
        • 2.Sxc6#
      • 1...Rd4
        • 2.Ba5#
      • 1...Rf4
        • 2.Bh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD,S_CUTB(b)::B(A)
    • R(c);P_PINQ(B),S_CUTB(b)::B(A)
    • B(b);N_GUARD::B(A)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(B)
      • Vars
        • R(a);N_GUARD,P_PINQ(B)::S(D),XP(e)
      • Refutation
        • R(c);P_PINQ(B)
    • Try
      • B(A);CHECK
      • Vars
        • B(b);N_GUARD,P_SPINB(b)::B(A),XB(b)
      • Refutation
        • R(c);XB(A)
  • Actual
    • S(D);
    • Threat
      • QAR1(B)
    • Vars
      • R(a);N_GUARD::S(D),XP(e)
      • R(a);N_GUARD,P_PINQ(B)::S(D),XP(e)
      • R(c);N_GUARD,S_CUTB(b)::B(A)
      • R(c);P_PINQ(B),S_CUTB(b)::B(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).