MESON Chess Problem Database

Problem Display
PID: 99937 (7B/2p5/6Pb/2p5/p1k1N3/K1N4Q/1P1p1Pr1/3b4 w - - 0 1)

Bakcsi, Gyorgy

Zoltan, Laszlo

Sakkelet, 1996

7B/2p5/6Pb/2p5/p1k1N3/K1N4Q/1P1p1Pr1/3b4

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Sxd2#
    • 1...Bf8
      • 2.Sxd2#
    • 1...c6
      • 2.Sd6#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Qb5#
        • 2.Qd5#
      • 1...Rg5
        • 2.Sxd2#
        • 2.Qb5#
      • 1...Bg7
        • 2.Sxd2#
        • 2.Qd5#
      • 1...c6!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Sd6#
      • 1...Rg5
        • 2.Sxd2#
      • 1...c6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(c);S_CUTB(g)::S(F),XP(b)
    • B(g);N_GUARD::S(F),XP(b)
    • P(h);N_GUARD::S(F)
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Refutation
        • P(h);
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(e);S_FLIGHT::QAB(E)+S(F)
      • R(c);S_CUTB(g)::S(F),XP(b)
      • P(h);N_GUARD::S(F)
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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).