MESON Chess Problem Database

Problem Display
PID: 257715 (8/2K5/8/8/Pk6/1B2R3/3R1B2/8 w - - 0 1)

Labai, Zoltan

1/2 Prize, Problemist Ukraini 13. TT, 2015

8/2K5/8/8/Pk6/1B2R3/3R1B2/8

#2

6 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Re4#
  • Tries
    • 1.Bg3?
      • 1...Ka3
        • 2.Bd6#
      • 1...Kc5
        • 2.Bd6#
      • 1...Ka5!
    • 1.Bh4?
      • 1...Ka3
        • 2.Be7#
      • 1...Kc5
        • 2.Be7#
      • 1...Ka5!
    • 1.Ra2?
      • 1...Kc5
        • 2.Re4#
      • 1...Ka5!
    • 1.Rd6?
      • 1...Ka5
        • 2.Be1#
      • 1...Kc5
        • 2.Re4#
      • 1...Ka3!
    • 1.Red3?
      • 1...Ka3
        • 2.Bc5#
      • 1...Ka5!
    • 1.Rf3?
      • 1...Ka3
        • 2.Bc5#
      • 1...Ka5!
    • 1.Rg3?
      • 1...Ka3
        • 2.Bc5#
      • 1...Ka5!
    • 1.Rh3?
      • 1...Ka3
        • 2.Bc5#
      • 1...Ka5!
  • Keys
    • 1.Be1!
      • 1...Ka3
        • 2.Ra2#
      • 1...Ka5
        • 2.Rd6#
      • 1...Kc5
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::B(B)+R(D)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(B)+R(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(B)
        • K(a);N_GUARD,S_FLIGHT::B(B)+R(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::R1(A)
      • K(a);N_GUARD,S_FLIGHT::B(B)+R(A)
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).