MESON Chess Problem Database

Problem Display
PID: 142576 (4R2B/8/2p2np1/2P1PNP1/RNn1Pk1K/5p2/1p3P2/1B6 w - - 0 1)

Mirri, Giorgio

3rd Prize, Benidorm, 1990

4R2B/8/2p2np1/2P1PNP1/RNn1Pk1K/5p2/1p3P2/1B6

#2

12 + 7

702 Phenix 1990

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Sd3#
    • 1...Sa3
      • 2.Sd3#
    • 1...Se3
      • 2.Sd3#
      • 2.fxe3#
    • 1...Sa5
      • 2.Sd3#
    • 1...Sb6
      • 2.Sd3#
    • 1...Sd6
      • 2.Sd3#
  • Tries
    • 1.Bxf6?
      • 1...Sxe5
        • 2.Bxe5#
      • 1...Sd2
        • 2.Sd3#
      • 1...Sa3
        • 2.Sd3#
      • 1...Se3
        • 2.Sd3#
        • 2.fxe3#
      • 1...Sa5
        • 2.Sd3#
      • 1...Sb6
        • 2.Sd3#
      • 1...Sd6
        • 2.Sd3#
      • 1...gxf5!
  • Keys
    • 1.Sg7!
      • 1...Sxe5
        • 2.Se6#
      • 1...Sxe4
        • 2.Sd3#
      • 1...Sxe8
        • 2.Se6#
      • 1...Sd2
        • 2.Sd3#
      • 1...Sa3
        • 2.Sd3#
      • 1...Se3
        • 2.Sd3#
      • 1...Sa5
        • 2.Sd3#
      • 1...Sb6
        • 2.Sd3#
      • 1...Sd6
        • 2.Sd3#
      • 1...Sg4
        • 2.Se6#
      • 1...Sd5
        • 2.Se6#
      • 1...Sh5
        • 2.Se6#
      • 1...Sd7
        • 2.Se6#
      • 1...Sh7
        • 2.Se6#
      • 1...Sg8
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(c);::S(D)
  • Tries
    • Try
      • B(L);XS(f)
      • Vars
        • S(c);OGATE,XP(H)::B(L),XS(c)
        • S(c);::S(D)
      • Refutation
        • P(g);XS(I)
  • Actual
    • S(I);
    • Vars
      • S(c);SBLOCK,XP(H)::S(I)
      • S(f);SBLOCK,XP(E)::S(D)
      • S(f);XR(K)::S(I)
      • S(c);::S(D)
      • S(f);::S(I)
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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).