MESON Chess Problem Database

Problem Display
PID: 96409 (7B/3pp3/K1p2r2/N1P1k1N1/Q1p1P3/2b1P3/4b3/8 w - - 0 1)

Gavrilovski, Zoran

US Problem Bulletin, 1989

7B/3pp3/K1p2r2/N1P1k1N1/Q1p1P3/2b1P3/4b3/8

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sxc4#
    • 1...Bf3
      • 2.Sxc4#
    • 1...Bg4
      • 2.Sxc4#
    • 1...Bh5
      • 2.Sxc4#
    • 1...d5
      • 2.Sxc6#
    • 1...d6
      • 2.Sxc6#
  • Tries
    • 1.Qxc4?
      • threat
        • 2.Sf7#
      • 1...Bxc4+
        • 2.Sxc4#
      • 1...Bh5
        • 2.Qxc3#
      • 1...d5
        • 2.Sxc6#
      • 1...Bd4!
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Sf7#
      • 1...dxc6
        • 2.Sxc6#
      • 1...Bh5
        • 2.Sxc4#
      • 1...d5
        • 2.Qe6#
      • 1...d6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::S(D),XP(c)
    • P(g);N_GUARD::S(D),XP(e)
  • Tries
    • Try
      • Q(B);P_SPINQ(B),XP(c)
      • Threat
        • S(F)
      • Vars
        • B(a);CHECK,XQ(B)::S(D),XB(a)
        • B(a);N_PINQ(B)::QAB(B),XB(b)
        • P(g);N_GUARD::S(D),XP(e)
      • Refutation
        • B(b);
  • Actual
    • Q(B);P_SPINQ(B),XP(e)
    • Threat
      • S(F)
    • Vars
      • P(g);XQ(B)::S(D),XP(g)
      • B(a);N_GUARD::S(D),XP(c)
      • P(g);N_GUARD::QAR1(B)
      • P(g);N_PINQ(B)::QAR1(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).