Problem Display
PID: 116982 (6bK/3n2Q1/2B1p3/7p/RB2n2r/pk6/rb6/qR2N3 w - - 0 1)

Kipping, Cyril Stanley

Chess Amateur (The), 1914

6bK/3n2Q1/2B1p3/7p/RB2n2r/pk6/rb6/qR2N3

#2

7 + 11


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sd2
      • 2.Qc3#
    • 1...Sf2
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Sg3
      • 2.Qc3#
    • 1...Sec5
      • 2.Qc3#
    • 1...Sg5
      • 2.Qc3#
    • 1...Sd6
      • 2.Qc3#
    • 1...e5
      • 2.Qxg8#
  • Tries
    • 1.Bd2?
      • threat
        • 2.Rb4#
      • 1...Sf2
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sg3
        • 2.Qc3#
      • 1...Sec5
        • 2.Qc3#
      • 1...Sg5
        • 2.Qc3#
      • 1...Sd6
        • 2.Qc3#
      • 1...Sef6
        • 2.Qg3#
      • 1...Sxd2!
  • Keys
    • 1.Ba5!
      • threat
        • 2.Rb4#
      • 1...Sd2
        • 2.Qc3#
      • 1...Sf2
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sg3
        • 2.Qc3#
      • 1...Sec5
        • 2.Qc3#
      • 1...Sg5
        • 2.Qc3#
      • 1...Sd6
        • 2.Qc3#
      • 1...Sef6
        • 2.Qg3#
      • 1...Se5
        • 2.Qb7#
      • 1...Sdf6
        • 2.Qb7#
      • 1...e5
        • 2.Qxg8#

This is a version of 44501

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::QAR1(F)
    • S(f);N_GUARD,N_PINQ(F)::QAR1(F),XS(f)
    • P(i);N_PINQ(F)::QAB(F),XB(k)
  • Tries
    • Try
      • B(D);
      • Threat
        • R1(C)
      • Vars
        • S(f);N_GUARD::QAR1(F)
        • S(f);N_GUARD,N_PINQ(F)::QAR1(F),XS(f)
        • S(f);N_PINQ(F)::QAR(F)
      • Refutation
        • S(f);XB(D)
  • Actual
    • B(D);
    • Threat
      • R1(C)
    • Vars
      • S(f);N_GUARD::QAR1(F)
      • S(f);N_GUARD,N_PINQ(F)::QAR1(F),XS(f)
      • S(f);N_PINQ(F)::QAR(F)
      • S(j);N_PINQ(F)::QAR(F)
      • P(i);N_PINQ(F)::QAB(F),XB(k)


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).