Problem Display
PID: 67418 (1K6/2B2R2/1pkp4/5P2/2Bp4/pP1N4/R3P3/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

2/3 Prize, Indian Chess Problem Society, 1996

1K6/2B2R2/1pkp4/5P2/2Bp4/pP1N4/R3P3/8

#2

9 + 5


5418 FIDE Album (1995-1997) (Annexe) 2004

SOLUTION


  • SOUND
  • Tries
    • 1.Kc8?
      • 1...d5
        • 2.Rf6#
      • 1...b5!
    • 1.Be6?
      • 1...b5
        • 2.Rc2#
      • 1...d5
        • 2.Bd7#
      • 1...Kb5!
    • 1.Rc2?
      • 1...b5
        • 2.Be6#
      • 1...d5
        • 2.Ba6#
      • 1...a2!
    • 1.Rxa3?
      • 1...b5
        • 2.Ra6#
      • 1...d5!
    • 1.Rd7?
      • threat
        • 2.Rxd6#
      • 1...d5
        • 2.Rd6#
      • 1...Kxd7!
    • 1.e4?
      • 1...b5
        • 2.Bd5#
      • 1...d5
        • 2.exd5#
      • 1...dxe4 ep!
  • Keys
    • 1.Ba6!
      • 1...Kd5
        • 2.Bb7#
      • 1...b5
        • 2.Bb7#
      • 1...d5
        • 2.Rc2#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Vars
        • P(e);OGATEB::R(H)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • P(c);SBLOCK::R(A)
        • P(e);SBLOCK::B(E)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK::R(A)+B(E)
        • P(e);SBLOCK::R(A)+B(E)
      • Refutation
        • P(a);
    • Try
      • R(A);XP(a)
      • Vars
        • P(c);OGATEB::R(A)
      • Refutation
        • P(e);
    • Try
      • R(H);
      • Threat
        • R1(H),XP(e)
      • Vars
        • P(e);::R1(H)
      • Refutation
        • K(d);S_FLIGHT,XR(H)
    • Try
      • P(B);
      • Vars
        • P(c);SBLOCK::B(E)
        • P(e);OGATE::P(B),XP(e)
      • Refutation
        • P(b);EP,XP(B)
  • Actual
    • B(E);
    • Vars
      • K(d);S_FLIGHT::B(E)
      • P(c);SBLOCK::B(E)
      • P(e);SBLOCK::R(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).