MESON Chess Problem Database

Problem Display
PID: 265367 (R7/8/P7/p1kB2B1/p1P3N1/p7/P1K5/8 w - - 0 1)

Nikolichev, Aleksandr

Zadachi i Etyudi, 2010

R7/8/P7/p1kB2B1/p1P3N1/p7/P1K5/8

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Be7#
    • 1...Kd4
      • 2.Be3#
  • Tries
    • 1.Be3+?
      • 1...Kb4
        • 2.Rb8#
      • 1...Kd6!
    • 1.Bf4?
      • 1...Kb4
        • 2.Bd6#
      • 1...Kd4
        • 2.Be3#
      • 1...Kb6!
    • 1.Bd8?
      • 1...Kb4
        • 2.Be7#
      • 1...Kd4
        • 2.Bb6#
      • 1...Kd6!
    • 1.Rb8?
      • 1...Kd4
        • 2.Be3#
      • 1...Kd6!
    • 1.Rd8?
      • 1...Kb4
        • 2.Be7#
      • 1...Kd4
        • 2.Be3#
      • 1...Kb6!
  • Keys
    • 1.Ra7!
      • 1...Kb4
        • 2.Be7#
      • 1...Kd4
        • 2.Be3#
      • 1...Kb6
        • 2.Be3#
      • 1...Kd6
        • 2.Be7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);N_GUARD,S_FLIGHT::B(F)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(d);N_GUARD,S_FLIGHT::R(H)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(H);
    • Vars
      • K(d);N_GUARD,S_FLIGHT::B(F)
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).