Problem Display
PID: 237460 (8/Kpp2R2/br1PBB2/brk5/1p3P2/1p2P3/1PNR4/4N3 w - - 0 1)

Labai, Zoltan

Schweizerische Schachzeitung, 2010

8/Kpp2R2/br1PBB2/brk5/1p3P2/1p2P3/1PNR4/4N3

#2

11 + 9


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Kc6
      • 2.Rxc7#
  • Tries
    • 1.Rd4?
      • 1...Kc6
        • 2.Rxc7#
      • 1...Rxd6
        • 2.Rc4#
      • 1...cxd6
        • 2.Rc4#
      • 1...Rc6
        • 2.Sd3#
      • 1...c6
        • 2.Sd3#
      • 1...bxc2!
    • 1.Rd5+?
      • 1...Kc6
        • 2.Sd4#
        • 2.Rxc7#
      • 1...Kc4!
  • Keys
    • 1.Sd4!
      • 1...Kxd6
        • 2.Be7#
      • 1...Rxd6
        • 2.Sd3#
      • 1...cxd6
        • 2.Sd3#
      • 1...Rc6
        • 2.Sxb3#
      • 1...c6
        • 2.Sxb3#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(e);P-FLIGHT::R1(K),XP(i)
  • Tries
    • Try
      • R(D);
      • Vars
        • K(e);P-FLIGHT::R1(K),XP(i)
        • R(g);SBLOCK,XP(G)::R1(D)
        • P(i);SBLOCK,XP(G)::R1(D)
        • R(g);SBLOCK::S(A)
        • P(i);SBLOCK::S(A)
      • Refutation
        • P(a);XS(C)
    • Try
      • R(D);CHECK
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(e);OGATEB,S_FLIGHT,XP(G)::B(I)
      • R(g);SBLOCK,XP(G)::S(A)
      • P(i);SBLOCK,XP(G)::S(A)
      • R(g);SBLOCK::S(C),XP(a)
      • P(i);SBLOCK::S(C),XP(a)


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).