MESON Chess Problem Database

Problem Display
PID: 143844 (2R5/8/pn5K/kqQ5/br6/N7/2nB4/5B2 w - - 0 1)

Rosberger, Jack

StrateGems, 1998

2R5/8/pn5K/kqQ5/br6/N7/2nB4/5B2

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Bxb4#
    • 1...Se1
      • 2.Bxb4#
    • 1...Sxa3
      • 2.Bxb4#
    • 1...Se3
      • 2.Bxb4#
    • 1...Sd4
      • 2.Bxb4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Sd5
      • 2.Sc4#
    • 1...Sd7
      • 2.Sc4#
    • 1...Sa8
      • 2.Sc4#
    • 1...Sxc8
      • 2.Sc4#
  • Keys
    • 1.Ra8!
      • 1...Qxc5
        • 2.Rxa6#
      • 1...Sxa3
        • 2.Bxb4#
      • 1...Sxa8
        • 2.Sc4#
      • 1...Bb3
        • 2.Qxb5#
      • 1...Sa1
        • 2.Bxb4#
      • 1...Se1
        • 2.Bxb4#
      • 1...Se3
        • 2.Bxb4#
      • 1...Sd4
        • 2.Bxb4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sd5
        • 2.Sc4#
      • 1...Sd7
        • 2.Sc4#
      • 1...Sc8
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(B),XR(c)
    • S(a);N_GUARD,XS(C)::B(B),XR(c)
    • S(g);N_GUARD::S(C),XS(g)
    • S(g);N_GUARD::S(C)
    • S(g);N_GUARD,XR(F)::S(C)
  • Actual
    • R(F);P_PINP(f)
    • Vars
      • Q(e);N_SPINQ(e),XQ(D)::R1(F),XP(f)
      • S(a);N_GUARD,XS(C)::B(B),XR(c)
      • S(g);N_GUARD,N_SPINP(f),XR(F)::S(C)
      • B(b);N_GUARD::QAR1(D),XQ(e)
      • S(a);N_GUARD::B(B),XR(c)
      • S(g);N_GUARD::S(C),XS(g)
      • S(g);N_GUARD::S(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).