MESON Chess Problem Database

Problem Display
PID: 84994 (8/N3K1p1/4p2r/3P2r1/nPpkp1Pp/P6R/Pb1p2NB/5B2 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

2nd Prize, Bata-80 JT, 1989

8/N3K1p1/4p2r/3P2r1/nPpkp1Pp/P6R/Pb1p2NB/5B2

#2

11 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Sc6#
    • 1...exd5
      • 2.Sb5#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sc6#
      • 1...Ke5
        • 2.Sc6#
      • 1...exd5
        • 2.Se2#
      • 1...e5
        • 2.Sb5#
      • 1...e3!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sb5#
      • 1...Kc3
        • 2.Sb5#
      • 1...Rxd5
        • 2.Sc2#
      • 1...Sc3
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(h);SBLOCK,XP(I)::S(J)
    • P(i);SBLOCK,XP(I)::S(J)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(J)
      • Vars
        • K(e);S_FLIGHT::S(J)
        • P(i);SBLOCK,XP(I)::S(C)
        • P(i);SBLOCK::S(J)
      • Refutation
        • P(f);
  • Actual
    • S(C);
    • Threat
      • S(J)
    • Vars
      • K(e);S_FLIGHT::S(J)
      • R(h);SBLOCK,XP(I)::S(C)
      • S(c);SBLOCK::S(J)
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).