MESON Chess Problem Database

Problem Display
PID: 175088 (8/8/8/6K1/5B2/5k2/5N1p/5Q1b w - - 0 1)

Jensen, Wilhelm Erik

320 Danske Skakopgaver, 1902

8/8/8/6K1/5B2/5k2/5N1p/5Q1b

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bc1?
      • 1...Kg3
        • 2.Sxh1#
      • 1...Bg2!
    • 1.Bd2?
      • 1...Kg3
        • 2.Sxh1#
      • 1...Bg2!
    • 1.Qe1?
      • 1...Bg2
        • 2.Qe3#
      • 1...Kg2!
  • Keys
    • 1.Bg3!
      • 1...Ke3
        • 2.Qd3#
      • 1...Kxg3
        • 2.Sxh1#
      • 1...Bg2
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(c);P-FLIGHT::S(B),XB(a)
      • Refutation
        • B(a);
    • Try
      • B(C);
      • Vars
        • K(c);P-FLIGHT::S(B),XB(a)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Vars
        • B(a);SBLOCK::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(c);P-FLIGHT::QAR1(A)
      • K(c);P-FLIGHT,XB(C)::S(B),XB(a)
      • B(a);SBLOCK::QAR2(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).