MESON Chess Problem Database

Problem Display
PID: 44143 (b1Q5/5pN1/pp3P1K/r1Pk4/n6R/1pp3B1/q2r4/1B1N2b1 w - - 0 1)

Kipping, Cyril Stanley

Brooklyn Eagle, 1911

b1Q5/5pN1/pp3P1K/r1Pk4/n6R/1pp3B1/q2r4/1B1N2b1

#2

9 + 12

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Rf2
      • 2.Se3#
    • 1...Rxc5
      • 2.Qd7#
    • 1...Bh2
      • 2.Se3#
    • 1...Be3+
      • 2.Sxe3#
    • 1...Bxc5
      • 2.Qxa8#
    • 1...Bc6
      • 2.Qf5#
    • 1...Sb2
      • 2.Sxc3#
    • 1...Sxc5
      • 2.Sxc3#
    • 1...b2
      • 2.Bxa2#
    • 1...bxc5
      • 2.Qd7#
      • 2.Qxa8#
  • Tries
    • 1.Qe6+?
      • 1...Kxc5
        • 2.Qc4#
      • 1...fxe6!
  • Keys
    • 1.cxb6!
      • threat
        • 2.Qc4#
      • 1...Be3+
        • 2.Sxe3#
      • 1...Sxb6
        • 2.Sxc3#
      • 1...Bc6
        • 2.Qf5#
      • 1...Rd4
        • 2.Rh5#
      • 1...Rc5
        • 2.Qd7#
      • 1...Bd4
        • 2.Be4#
      • 1...Bc5
        • 2.Qxa8#
      • 1...Sb2
        • 2.Sxc3#
      • 1...Sc5
        • 2.Sxc3#
      • 1...b2
        • 2.Bxa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(c);S_CUTB(a)::S(B)
    • R(g);SBLOCK,XP(E)::QAR2(I)
    • B(a);N_GUARD::S(B)
    • B(a);CHECK,N_GUARD::S(B),XB(a)
    • B(a);SBLOCK,XP(E)::QAB(I),XB(l)
    • B(l);SBLOCK::QAR2(I)
    • S(f);N_GUARD::S(B),XP(e)
    • S(f);N_GUARD,XP(E)::S(B),XP(e)
    • P(d);OGATEB::B(A),XQ(b)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • K(h);OGATE,P-FLIGHT,XP(E)::QAR1(I)
      • Refutation
        • P(k);XQ(I)
  • Actual
    • P(E);XP(j)
    • Threat
      • QAB1(I)
    • Vars
      • B(a);CHECK,N_GUARD::S(B),XB(a)
      • S(f);N_GUARD,XP(E)::S(B),XP(e)
      • B(l);SBLOCK::QAR2(I)
      • R(c);SBLOCK::R(D)
      • R(g);SBLOCK::QAR2(I)
      • B(a);SBLOCK::B(A)
      • B(a);SBLOCK::QAB(I),XB(l)
      • S(f);N_GUARD::S(B),XP(e)
      • P(d);OGATEB::B(A),XQ(b)
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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).