MESON Chess Problem Database

Problem Display
PID: 61148 (8/8/PN2K3/1k6/1P2B3/p7/P1P2B2/1R6 w - - 0 1)

Bunka, Valeri

3rd Prize, Ling-50 Ty., 2005

8/8/PN2K3/1k6/1P2B3/p7/P1P2B2/1R6

#2

9 + 2

136 Problem Observer 2005

SOLUTION

  • SOUND
  • Tries
    • 1.Sa4?
      • 1...Kxa4
        • 2.Bc6#
      • 1...Kc4
        • 2.Bd3#
      • 1...Kxa6!
    • 1.Sc4?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kxa6
        • 2.b5#
      • 1...Kxc4!
    • 1.Sa8?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kxa6
        • 2.Sc7#
      • 1...Kc4!
  • Keys
    • 1.Sd5!
      • 1...Ka4
        • 2.Sc3#
      • 1...Kc4
        • 2.Bd3#
      • 1...Kxa6
        • 2.Sc7#
      • 1...Kc6
        • 2.b5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Vars
        • K(b);S_FLIGHT,XS(H)::B(F)
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT,XP(G)
    • Try
      • S(H);
      • Vars
        • K(b);S_FLIGHT::B(F)
        • K(b);OGATE,S_FLIGHT,XP(G)::P(E)
      • Refutation
        • K(b);S_FLIGHT,XS(H)
    • Try
      • S(H);
      • Vars
        • K(b);S_FLIGHT::B(F)
        • K(b);S_FLIGHT,XP(G)::S(H)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(H);
    • Vars
      • K(b);S_FLIGHT::S(H)
      • K(b);S_FLIGHT::B(F)
      • K(b);S_FLIGHT,XP(G)::S(H)
      • K(b);OGATE,S_FLIGHT::P(E)
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).