Problem Display
PID: 146968 (k1K5/1pR5/2p5/2B5/8/1B6/8/8 w - - 0 1)

Olanik, A

Magadanskaya Pravda, 1997

k1K5/1pR5/2p5/2B5/8/1B6/8/8

#2

4 + 3


145 StrateGems 2012

SOLUTION


  • SOUND
  • Sets
    • 1...b5
      • 2.Ra7#
  • Tries
    • 1.Bd1?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Ba2?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Bc2?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Bc4?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Bd5?
      • 1...b6
        • 2.Bxc6#
      • 1...b5
        • 2.Bxc6#
        • 2.Ra7#
      • 1...cxd5!
    • 1.Be6?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Bf7?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Bg8?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Rd7?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Re7?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Rf7?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Rg7?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
    • 1.Rh7?
      • 1...b5
        • 2.Ra7#
      • 1...b6!
  • Keys
    • 1.Ba4!
      • 1...b6
        • 2.Bxc6#
      • 1...b5
        • 2.Ra7#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE::R1(C)
  • Tries
    • Try
      • B(A);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(b);OGATEB,P_SPINP(a)::B(A),XP(a)
      • Refutation
        • P(a);XB(A)
    • Try
      • B(A);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • P(b);OGATE::R1(C)
      • Refutation
        • P(b);
  • Actual
    • B(A);
    • Vars
      • P(b);OGATEB::B(A),XP(a)
      • P(b);OGATE::R1(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).