MESON Chess Problem Database

Problem Display
PID: 166762 (5N2/4p2K/4PkP1/3pr1p1/3pp1p1/4N1P1/RB6/8 w - - 0 1)

Milewski, Stefan

Die Schwalbe, 2017

5N2/4p2K/4PkP1/3pr1p1/3pp1p1/4N1P1/RB6/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Sxg4#
    • 1...Rxe6
      • 2.Sd7#
  • Tries
    • 1.Ba1?
      • 1...Rxe6
        • 2.Sd7#
      • 1...Rf5
        • 2.Sxg4#
      • 1...d3
        • 2.Rf2#
      • 1...dxe3!
  • Keys
    • 1.Ra1!
      • 1...Rxe6
        • 2.Sd7#
      • 1...dxe3
        • 2.Rf1#
      • 1...Rf5
        • 2.Sxg4#
      • 1...d3
        • 2.Rf1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);P_SPINP(a),SBLOCK::S(C),XP(c)
    • R(e);P_SPINP(a),SBLOCK,XP(E)::S(H)
  • Tries
    • Try
      • B(B);
      • Vars
        • R(e);P_SPINP(a),SBLOCK,XP(E)::S(H)
        • R(e);P_SPINP(a),SBLOCK::S(C),XP(c)
        • P(a);P_SPINR(e)::R(A)
      • Refutation
        • P(a);P_SPINR(e),XS(C)
  • Actual
    • R(A);
    • Vars
      • R(e);P_SPINP(a),SBLOCK,XP(E)::S(H)
      • P(a);P_SPINR(e),XS(C)::R(A)
      • R(e);P_SPINP(a),SBLOCK::S(C),XP(c)
      • P(a);P_SPINR(e)::R(A)
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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).