MESON Chess Problem Database

Problem Display
PID: 142040 (2K4Q/4bB2/n1P2r2/1RN1NR2/b2k1B2/1p3P2/1P3p2/3n4 w - - 0 1)

Clutsam, George Howard

2nd Prize, Leisure Hour, 1901

2K4Q/4bB2/n1P2r2/1RN1NR2/b2k1B2/1p3P2/1P3p2/3n4

#2

11 + 8

153 La Strategie 1901
14867 BCPS Library 2011
3713 Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf5
      • 2.Se6#
    • 1...Rxc6+
      • 2.Sxc6#
    • 1...Re6
      • 2.Sxe6#
    • 1...Rxf7
      • 2.Se6#
    • 1...Bxb5
      • 2.Sxb3#
    • 1...Sxc5
      • 2.Rb4#
  • Keys
    • 1.Bd2!
      • threat
        • 2.Qh4#
      • 1...Rxc6+
        • 2.Sxc6#
      • 1...Rxf5
        • 2.Se6#
      • 1...Rxf7
        • 2.Se6#
      • 1...Bxb5
        • 2.Sxb3#
      • 1...Sxc5
        • 2.Rb4#
      • 1...Re6
        • 2.Sxe6#
      • 1...Rd6
        • 2.Rf4#
      • 1...Rg6
        • 2.Rf4#
      • 1...Rh6
        • 2.Rf4#
      • 1...Sc3
        • 2.bxc3#
      • 1...Se3
        • 2.Bc3#

This anticipates 151482(1927)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(g);N_GUARD,XR(G)::S(E)
    • R(g);CHECK,XP(H)::QAB(K)+S(F),DCHECK,XR(g)
    • R(g);N_GUARD::S(E),XR(g)
    • R(g);N_GUARD,XB(I)::S(E)
    • B(d);N_GUARD,XR(D)::S(E),XP(c)
    • S(f);N_GUARD,SBLOCK,XS(E)::R(D)
  • Actual
    • B(C);
    • Threat
      • QAR(K)
    • Vars
      • R(g);CHECK,XP(H)::QAB(K)+S(F),DCHECK,XR(g)
      • R(g);N_GUARD,XR(G)::S(E)
      • R(g);N_GUARD,XB(I)::S(E)
      • B(d);N_GUARD,XR(D)::S(E),XP(c)
      • S(f);N_GUARD,SBLOCK,XS(E)::R(D)
      • R(g);N_GUARD::S(E),XR(g)
      • R(g);N_GUARD::R(G)
      • S(a);OGATE::P(A),XS(a)
      • S(a);N_GUARD,SBLOCK::B(C)
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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).