MESON Chess Problem Database

Problem Display
PID: 57371 (k7/Pp6/8/3K4/4PB2/4R3/B7/R5Q1 w - - 0 1)

Nikitin, Vladimir V

Troll, 1997

k7/Pp6/8/3K4/4PB2/4R3/B7/R5Q1

#2

8 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa7
      • 2.Ra3#
  • Tries
    • 1.Kd4?
      • 1...b5
        • 2.Bd5#
      • 1...b6
        • 2.Bd5#
      • 1...Kxa7!
    • 1.Kc5?
      • 1...Kxa7
        • 2.Bb1#
        • 2.Bb3#
        • 2.Bc4#
        • 2.Bd5#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
        • 2.Ra3#
      • 1...b5
        • 2.Bd5#
      • 1...b6+!
    • 1.Ke5?
      • 1...b5
        • 2.Bd5#
      • 1...b6
        • 2.Bd5#
      • 1...Kxa7!
    • 1.Kd6?
      • 1...b5
        • 2.Bd5#
      • 1...b6
        • 2.Bd5#
      • 1...Kxa7!
  • Keys
    • 1.Ke6!
      • 1...Kxa7
        • 2.Ra3#
      • 1...b5
        • 2.Bd5#
      • 1...b6
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,P-FLIGHT,XP(H)::QAB(B)+R(D),DCHECK
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Vars
        • P(a);OGATEB::B(C)
      • Refutation
        • K(b);P-FLIGHT,XP(H)
    • Try
      • K(G);P-FLIGHT
      • Vars
        • P(a);OGATEB::B(C)
      • Refutation
        • P(a);CHECK
    • Try
      • K(G);P-FLIGHT
      • Vars
        • P(a);OGATEB::B(C)
      • Refutation
        • K(b);P-FLIGHT,XP(H)
    • Try
      • K(G);P-FLIGHT
      • Vars
        • P(a);OGATEB::B(C)
      • Refutation
        • K(b);P-FLIGHT,XP(H)
  • Actual
    • K(G);S_FLIGHT
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(H)::QAB(B)+R(D),DCHECK
      • P(a);OGATEB::B(C)
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).