MESON Chess Problem Database

Problem Display
PID: 96107 (5B2/7Q/8/8/8/8/pbKn4/k7 w - - 0 1)

Janicijevic, Svetislav

Sahovska Kompozicia, 1993

5B2/7Q/8/8/8/8/pbKn4/k7

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg7
      • 2.Bxg7#
      • 2.Qxg7#
    • 1...Bh8
      • 2.Qxh8#
  • Tries
    • 1.Qg7?
      • threat
        • 2.Qxb2#
      • 1...Bxg7
        • 2.Bxg7#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Sc4!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Bxb2#
      • 1...Bxg7
        • 2.Qxg7#
      • 1...Bc3
        • 2.Bxc3#
      • 1...Bd4
        • 2.Bxd4#
      • 1...Be5
        • 2.Bxe5#
      • 1...Bf6
        • 2.Bxf6#
      • 1...Sc4
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(c);OGATEB::QAB(B),XB(c)
  • Tries
    • Try
      • Q(B);P_PINB(c)
      • Threat
        • QAB1(B),XB(c)
      • Vars
        • B(c);N_SPINB(c),OGATE,XQ(B)::B(C),XB(c)
        • B(c);OGATEB::QAB(B),XB(c)
      • Refutation
        • S(d);
  • Actual
    • B(C);P_PINB(c)
    • Threat
      • B(C),XB(c)
    • Vars
      • B(c);N_SPINB(c),OGATE,XB(C)::QAB(B),XB(c)
      • B(c);OGATEB::B(C),XB(c)
      • S(d);N_GUARD::QAB1(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).