MESON Chess Problem Database

Problem Display
PID: 249836 (8/2K3p1/6P1/5kB1/8/1B1N1N1R/8/8 w - - 0 1)

Poponin, Vladimir Grigorievich

Uralski Problemist, 2008

8/2K3p1/6P1/5kB1/8/1B1N1N1R/8/8

#2

7 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Be6#
  • Tries
    • 1.Sb4?
      • 1...Ke4
        • 2.Bc2#
      • 1...Kg4
        • 2.Be6#
      • 1...Kxg6!
    • 1.Sf4?
      • 1...Kg4
        • 2.Be6#
      • 1...Ke4!
    • 1.Sc5?
      • 1...Kg4
        • 2.Be6#
      • 1...Kxg6!
    • 1.Bd5?
      • 1...Kg4
        • 2.Be6#
      • 1...Kxg6!
    • 1.Be6+?
      • 1...Ke4
        • 2.Sf2#
        • 2.Sc5#
      • 1...Kxg6
        • 2.Sf4#
        • 2.Sde5#
      • 1...Kxe6!
    • 1.Bf7?
      • 1...Kg4
        • 2.Be6#
      • 1...Ke4!
  • Keys
    • 1.Bc2!
      • 1...Ke4
        • 2.Sb4#
      • 1...Kg4
        • 2.Sf2#
      • 1...Ke6
        • 2.Sf4#
      • 1...Kxg6
        • 2.Sde5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::B(A)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • S(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • B(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • B(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XB(A)
    • Try
      • B(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::B(A)+S(B)
      • K(a);N_GUARD,S_FLIGHT::S(B)
      • K(a);N_GUARD,S_FLIGHT,XP(F)::B(A)+S(B),DCHECK
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).