MESON Chess Problem Database

Problem Display
PID: 264439 (8/8/6R1/4k2r/4P2b/3KQ3/8/8 w - - 0 1)

Bartolovic, Hrvoje

The Problemist, 1992

8/8/6R1/4k2r/4P2b/3KQ3/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Bg3
      • 2.Qxg3#
    • 1...Be7
      • 2.Qg3#
    • 1...Bd8
      • 2.Qg3#
  • Tries
    • 1.Qf2?
      • 1...Bf6
        • 2.Qxf6#
      • 1...Rf5
        • 2.Qxf5#
      • 1...Rg5
        • 2.Qf6#
      • 1...Rh6
        • 2.Qf5#
      • 1...Rh7
        • 2.Qf5#
      • 1...Rh8
        • 2.Qf5#
      • 1...Bg3
        • 2.Qxg3#
        • 2.Qf6#
      • 1...Bg5
        • 2.Qf5#
      • 1...Be7
        • 2.Qg3#
      • 1...Bd8
        • 2.Qg3#
      • 1...Bxf2!
  • Keys
    • 1.Qf3!
      • 1...Bf6
        • 2.Qxf6#
      • 1...Rf5
        • 2.Qxf5#
      • 1...Rg5
        • 2.Qf6#
      • 1...Rh6
        • 2.Qf5#
      • 1...Rh7
        • 2.Qf5#
      • 1...Rh8
        • 2.Qf5#
      • 1...Be1
        • 2.Qf6#
      • 1...Bf2
        • 2.Qf6#
      • 1...Bg3
        • 2.Qxg3#
        • 2.Qf6#
      • 1...Bg5
        • 2.Qf5#
      • 1...Be7
        • 2.Qg3#
      • 1...Bd8
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::QAB(B),XB(a)
    • B(a);N_GUARD::QAB(B)
  • Tries
    • Try
      • Q(B);
      • Vars
        • B(a);N_GUARD::QAB1(B),XB(a)
        • R(c);N_GUARD::QAR1(B),XR(c)
        • R(c);S_CUTB(a)::QAB1(B)
        • R(c);N_GUARD::QAR1(B)
        • B(a);S_CUTR(c)::QAR1(B)
        • B(a);N_GUARD::QAB(B)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • B(a);N_GUARD::QAB1(B),XB(a)
      • R(c);N_GUARD::QAR1(B),XR(c)
      • R(c);S_CUTB(a)::QAB1(B)
      • R(c);N_GUARD::QAR1(B)
      • B(a);N_GUARD::QAB1(B)
      • B(a);S_CUTR(c)::QAR1(B)
      • B(a);N_GUARD::QAB(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).