MESON Chess Problem Database

Problem Display
PID: 166755 (6B1/4p3/3R1NP1/6BQ/N2b2P1/3k3P/8/3K4 w - - 0 1)

Jorgensen, Walther Martinus Johannes

2nd Prize, Problemisten, 1963

6B1/4p3/3R1NP1/6BQ/N2b2P1/3k3P/8/3K4

#2

10 + 3

15593 170 Skakopgaver (Jorgensen) 1975

SOLUTION

  • SOUND
  • Tries
    • 1.Bc1?
      • threat
        • 2.Qb5#
        • 2.Qf5#
      • 1...exf6
        • 2.Qf5#
      • 1...e6
        • 2.Qb5#
      • 1...e5!
    • 1.Bf4?
      • threat
        • 2.Qb5#
        • 2.Qf5#
      • 1...exf6
        • 2.Qf5#
      • 1...e6
        • 2.Qb5#
      • 1...e5!
    • 1.Bh6?
      • threat
        • 2.Qb5#
        • 2.Qf5#
      • 1...exf6
        • 2.Qf5#
      • 1...e6
        • 2.Qb5#
      • 1...e5!
  • Keys
    • 1.Bd2!
      • threat
        • 2.Sb2#
        • 2.Sc5#
        • 2.Qb5#
        • 2.Qf5#
      • 1...exd6
        • 2.Qb5#
        • 2.Qf5#
      • 1...exf6
        • 2.Sc5#
        • 2.Qf5#
      • 1...e6
        • 2.Sb2#
        • 2.Qb5#
      • 1...e5
        • 2.Sb2#
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XS(H)::QAB(F)
        • P(c);::QAB(F)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XS(H)::QAB(F)
        • P(c);::QAB(F)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XS(H)::QAB(F)
        • P(c);::QAB(F)
      • Refutation
        • P(c);
  • Actual
    • B(E);
    • Threat
      • DUALS(4)
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).