Problem Display
PID: 77819 (5B2/pKn3p1/1pp1Q1p1/3pp3/2Bk4/NRN1p3/5n2/7b w - - 0 1)

Slesarenko, Anatoly Vasilevich

1st Prize, Pobeda-60 JT, 2005

5B2/pKn3p1/1pp1Q1p1/3pp3/2Bk4/NRN1p3/5n2/7b

#2

7 + 12


145 StrateGems 2007
23 Die Schwalbe 2013
15323 FIDE Album (2004-2006) 2013
56 The Problemist 2014

SOLUTION


  • SOUND
  • Sets
    • 1...Be4
      • 2.Se2#
    • 1...Se4
      • 2.Se2#
    • 1...dxc4
      • 2.Qxc4#
    • 1...e4
      • 2.Se2#
  • Tries
    • 1.Qxg6?
      • threat
        • 2.Se2#
      • 1...dxc4
        • 2.Sc2#
      • 1...e2
        • 2.Sxe2#
      • 1...e4
        • 2.Qxg7#
      • 1...Bf3!
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Sc2#
      • 1...dxc4
        • 2.Se2#
      • 1...e4
        • 2.Bxg7#
      • 1...Be4
        • 2.Se2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(a);SBLOCK::S(C)
    • S(b);SBLOCK::S(C)
    • P(e);OGATE,XB(D)::QAR1(E),XP(e)
    • P(f);::S(C)
  • Tries
    • Try
      • Q(E);XP(i)
      • Threat
        • S(C)
      • Vars
        • P(e);SBLOCK,XB(D)::S(A)
        • P(c);::S(C),XP(c)
        • P(f);OGATEB::QAB(E),XP(l)
      • Refutation
        • B(a);
  • Actual
    • Q(E);XP(h)
    • Threat
      • S(A)
    • Vars
      • P(e);P_PINQ(E),XB(D)::S(C)
      • P(f);OGATEB::B(G),XP(l)
      • B(a);SBLOCK::S(C)


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).