MESON Chess Problem Database

Problem Display
PID: 268243 (8/5p1B/4p3/1ppp4/5R2/1Pk1N3/K3p3/2B1N3 w - - 0 1)

Stepochkin, Anatoly Viktorovich

Shakhmatnaya kompozitsiya, 1996

8/5p1B/4p3/1ppp4/5R2/1Pk1N3/K3p3/2B1N3

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Sxd5#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Bb2#
        • 2.Bd2#
      • 1...c4
        • 2.Bd2#
      • 1...d4
        • 2.Bd2#
      • 1...e1Q
        • 2.Bb2#
      • 1...e1B
        • 2.Sd1#
        • 2.Bb2#
      • 1...f5!
  • Keys
    • 1.Rf3!
      • threat
        • 2.S3c2#
      • 1...Kb4
        • 2.Bd2#
      • 1...Kd4
        • 2.Bb2#
      • 1...d4
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(f);N_GUARD::S(E),XP(e)
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(d);::B(A)
        • P(e);::B(A)
        • P(a);::B(A)
      • Refutation
        • P(g);
  • Actual
    • R(F);
    • Threat
      • R(F)+S(E)
    • Vars
      • K(b);N_GUARD,S_FLIGHT::B(A)
      • P(e);SBLOCK::R(F)+S(E),DCHECK
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).