Problem Display
PID: 167759 (8/8/3p3B/KBkpR3/1p1p4/4p3/1PP5/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Chernyavsky, Mykola Vasilovich

2/5 Comm., Odessa Festival, 2016

8/8/3p3B/KBkpR3/1p1p4/4p3/1PP5/8

#2

6 + 6


145 StrateGems 2017

SOLUTION


  • SOUND
  • Sets
    • 1...d3
      • 2.Bxe3#
    • 1...dxe5
      • 2.Bf8#
  • Tries
    • 1.b3?
      • 1...dxe5
        • 2.Bf8#
      • 1...d3
        • 2.Bxe3#
      • 1...e2!
    • 1.c3?
      • threat
        • 2.cxb4#
      • 1...bxc3
        • 2.b4#
      • 1...dxc3
        • 2.Bxe3#
      • 1...dxe5
        • 2.Bf8#
      • 1...d3
        • 2.Bxe3#
      • 1...b3!
  • Keys
    • 1.c4!
      • threat
        • 2.Rxd5#
      • 1...dxe5
        • 2.Bf8#
      • 1...bxc4 ep
        • 2.b4#
      • 1...dxc4 ep
        • 2.Bxe3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATEB::B(F),XP(a)
    • P(f);N_SPINP(e),OGATEB,XR(E)::B(F)
  • Tries
    • Try
      • P(A);
      • Vars
        • P(f);N_SPINP(e),OGATEB,XR(E)::B(F)
        • P(c);OGATEB::B(F),XP(a)
      • Refutation
        • P(a);
    • Try
      • P(B);
      • Threat
        • P(B),XP(b)
      • Vars
        • P(b);OGATE,XP(B)::P(A)
        • P(c);OGATEB,XP(B)::B(F),XP(a)
        • P(f);N_SPINP(e),OGATEB,XR(E)::B(F)
        • P(c);OGATEB::B(F),XP(a)
      • Refutation
        • P(b);
  • Actual
    • P(B);
    • Threat
      • R1(E),XP(e)
    • Vars
      • P(f);N_SPINP(e),OGATEB,XR(E)::B(F)
      • P(b);EP,OGATE,XP(B)::P(A)
      • P(c);EP,OGATEB,XP(B)::B(F),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).