MESON Chess Problem Database

Problem Display
PID: 196479 (k7/ppK5/1R6/8/B1R5/8/8/8 w - - 0 1)

Zimmer, Eligiusz

Sachova skladba, 2011

k7/ppK5/1R6/8/B1R5/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Ra6?
      • 1...bxa6
        • 2.Bc6#
      • 1...b6
        • 2.Bc6#
      • 1...b5!
  • Keys
    • 1.Bc6!
      • threat
        • 2.Bxb7#
      • 1...axb6
        • 2.Ra4#
      • 1...bxc6
        • 2.Rb8#
      • 1...a5
        • 2.Ra6#
      • 1...a6
        • 2.Rxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);P_PINP(a)
      • Vars
        • P(b);N_SPINP(a),OGATEB,XR(C)::B(A)
        • P(b);OGATEB::B(A)
      • Refutation
        • P(b);
  • Actual
    • B(A);P_PINP(b)
    • Threat
      • B(A),XP(b)
    • Vars
      • P(a);OGATEB,XR(C)::R(B)
      • P(b);N_SPINP(b),OGATE,XB(A)::R1(C)
      • P(a);OGATEB::R(C)
      • P(a);OGATEB::R(C),XP(a)
HTML5 logo

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).