MESON Chess Problem Database

Problem Display
PID: 38178 (5B2/3p4/5K2/3Np2p/3P2kP/8/4nPP1/2nB3R w - - 0 1)

Shanshin, Valery Yurevich

1st HM., Molodoi Leninets, 1985

5B2/3p4/5K2/3Np2p/3P2kP/8/4nPP1/2nB3R

#2

9 + 6

3748 FIDE Album (1983-1985) 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Bxe2#
    • 1...Sb3
      • 2.Bxe2#
    • 1...Sd3
      • 2.Bxe2#
  • Tries
    • 1.Ba4?
      • threat
        • 2.Bxd7#
      • 1...Sg3
        • 2.f3#
      • 1...Sf4
        • 2.Se3#
      • 1...d6
        • 2.Bd7#
      • 1...Sxd4!
    • 1.dxe5?
      • 1...Sa2
        • 2.Bxe2#
      • 1...Sb3
        • 2.Bxe2#
      • 1...Sd3
        • 2.Bxe2#
      • 1...d6!
  • Keys
    • 1.Bd6!
      • 1...exd4
        • 2.f3#
      • 1...e4
        • 2.Se3#
      • 1...Sa2
        • 2.Bxe2#
      • 1...Sb3
        • 2.Bxe2#
      • 1...Sd3
        • 2.Bxe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(A),XS(b)
  • Tries
    • Try
      • B(A);N_PINS(b)
      • Threat
        • B(A),XP(f)
      • Vars
        • S(b);SBLOCK::P(C)
        • S(b);SBLOCK::S(G)
        • P(f);::B(A)
      • Refutation
        • S(b);XP(E)
    • Try
      • P(E);XP(d)
      • Vars
        • S(a);N_GUARD::B(A),XS(b)
      • Refutation
        • P(f);
  • Actual
    • B(I);
    • Vars
      • P(d);XP(E)::P(C)
      • P(d);::S(G)
      • S(a);N_GUARD::B(A),XS(b)
HTML5 logo

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).