MESON Chess Problem Database

Problem Display
PID: 265736 (5B2/5N2/1pp1p1p1/1pP3Np/1p1k2bR/1B4P1/3K4/8 w - - 0 1)

Syzonenko, Viktor N

Parcerisa-80 (Problemas), 2022

5B2/5N2/1pp1p1p1/1pP3Np/1p1k2bR/1B4P1/3K4/8

#2

8 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Bxe6?
      • 1...bxc5
        • 2.Bg7#
      • 1...b3!
    • 1.Bd6?
      • 1...bxc5
        • 2.Be5#
      • 1...e5!
    • 1.Bg7+?
      • 1...Kxc5
        • 2.Se4#
      • 1...e5!
  • Keys
    • 1.Sd6!
      • 1...Kxc5
        • 2.Sf5#
      • 1...Ke5
        • 2.Bg7#
      • 1...bxc5
        • 2.Sf3#
      • 1...e5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);XP(h)
      • Vars
        • P(f);SBLOCK,XP(E)::B(H)
      • Refutation
        • P(a);
    • Try
      • B(H);
      • Vars
        • P(f);SBLOCK,XP(E)::B(H)
      • Refutation
        • P(h);
    • Try
      • B(H);CHECK
      • Vars
        • K(b);N_GUARD,N_SPINB(c),S_CUTP(h),S_FLIGHT,XP(E)::S(F)
      • Refutation
        • P(h);P_SPINP(h)
  • Actual
    • S(G);
    • Vars
      • K(b);N_GUARD,N_SPINB(c),S_CUTP(h),S_CUTP(i),S_FLIGHT,XP(E)::B(H)+S(G)
      • K(b);N_GUARD,N_SPINB(c),S_CUTP(h),S_FLIGHT::B(H)
      • P(f);SBLOCK,XP(E)::S(F)
      • P(h);SBLOCK::S(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).