MESON Chess Problem Database

Problem Display
PID: 7453 (4nR2/2ppb1P1/5PRN/2n1kN2/6p1/B1p1K3/B7/8 w - - 0 1)

Sushkov, Yuri Akimovich

Evening Leningrad, 1990

4nR2/2ppb1P1/5PRN/2n1kN2/6p1/B1p1K3/B7/8

#2

9 + 8

4849 The Sushkov Theme 1999

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Bb2#
  • Tries
    • 1.Rg5?
      • threat
        • 2.Sxg4#
      • 1...Sxf6
        • 2.Sf7#
      • 1...Sb3
        • 2.Sd4#
      • 1...g3
        • 2.Sg4#
      • 1...d5!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sf7#
      • 1...Kd6
        • 2.Sf7#
      • 1...Sb3
        • 2.Rg5#
      • 1...Sd6
        • 2.Sxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATEB::B(B)
  • Tries
    • Try
      • R(F);
      • Threat
        • S(G),XP(b)
      • Vars
        • S(h);SBLOCK,XP(E)::S(G)
        • S(c);::R(F)+S(D)
        • P(b);::S(G)
      • Refutation
        • P(f);
  • Actual
    • S(D);
    • Threat
      • S(G)
    • Vars
      • K(d);P_SPINS(c),S_FLIGHT::S(G)
      • S(c);::R(F)
      • S(h);SBLOCK::S(G),XP(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).