MESON Chess Problem Database

Problem Display
PID: 47370 (2b5/B7/1R1ppNKp/2rpk1p1/4p3/N3PP2/3P1n2/6R1 w - - 0 1)

Howard, David M

Problem Observer, 2003

2b5/B7/1R1ppNKp/2rpk1p1/4p3/N3PP2/3P1n2/6R1

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Sd7#
    • 1...Bb7
      • 2.Sd7#
    • 1...Bd7
      • 2.Sxd7#
    • 1...Sd1
      • 2.Sg4#
    • 1...Sh1
      • 2.Sg4#
    • 1...Sd3
      • 2.Sg4#
    • 1...Sh3
      • 2.Sg4#
    • 1...Sg4
      • 2.Sxg4#
    • 1...exf3
      • 2.d4#
    • 1...g4
      • 2.f4#
    • 1...h5
      • 2.Rxg5#
  • Keys
    • 1.Rb5!
      • 1...Rxb5
        • 2.Bd4#
      • 1...exf3
        • 2.d4#
      • 1...Rc1
        • 2.Bd4#
      • 1...Rc2
        • 2.Bd4#
      • 1...Rc3
        • 2.Bd4#
      • 1...Rc4
        • 2.Sxc4#
      • 1...Rc6
        • 2.Bd4#
      • 1...Rc7
        • 2.Bd4#
      • 1...Ba6
        • 2.Sd7#
      • 1...Bb7
        • 2.Sd7#
      • 1...Bd7
        • 2.Sxd7#
      • 1...Sd1
        • 2.Sg4#
      • 1...Sh1
        • 2.Sg4#
      • 1...Sd3
        • 2.Sg4#
      • 1...Sh3
        • 2.Sg4#
      • 1...Sg4
        • 2.Sxg4#
      • 1...d4
        • 2.Sc4#
      • 1...g4
        • 2.f4#
      • 1...h5
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(j);N_GUARD::S(G)
    • B(j);N_GUARD::S(G),XB(j)
    • S(a);N_GUARD::S(G)
    • S(a);N_GUARD::S(G),XS(a)
    • P(b);N_GUARD,XP(E)::P(B)
    • P(f);N_GUARD::P(E)
    • P(i);N_GUARD::R(A),XP(f)
  • Actual
    • R(F);
    • Vars
      • R(c);OGATE,XR(F)::B(I)
      • P(b);N_GUARD,XP(E)::P(B)
      • R(c);OGATE,P_SPINP(d)::B(I)
      • R(c);N_GUARD,P_SPINP(d)::S(C),XR(c)
      • B(j);N_GUARD::S(G)
      • B(j);N_GUARD::S(G),XB(j)
      • S(a);N_GUARD::S(G)
      • S(a);N_GUARD::S(G),XS(a)
      • P(d);N_GUARD,P_SPINR(c)::S(C)
      • P(f);N_GUARD::P(E)
      • P(i);N_GUARD::R(A),XP(f)
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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).