MESON Chess Problem Database

Problem Display
PID: 93149 (8/8/1K3p2/4k1p1/3RB3/2p5/b7/7Q w - - 0 1)

Mebius, Claes Albert

Tidskrift for Schack, 1910

8/8/1K3p2/4k1p1/3RB3/2p5/b7/7Q

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bg6?
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qe4#
      • 1...Ke6
        • 2.Qe4#
        • 2.Qe1#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bb1
        • 2.Qd5#
      • 1...f5!
  • Keys
    • 1.Bf5!
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qe4#
      • 1...Kxf5
        • 2.Qe4#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bb1
        • 2.Qd5#

There are these versions: 222898

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(c);S_FLIGHT,XR(B)::QAR1(A)
        • B(a);N_GUARD::QAR1(A),XB(a)
        • B(a);N_GUARD::QAR1(A)
      • Refutation
        • P(e);
  • Actual
    • B(C);
    • Threat
      • QAR1(A)
    • Vars
      • K(c);S_FLIGHT,XR(B)::QAR1(A)
      • K(c);P-FLIGHT,XB(C)::QAB1(A)
      • B(a);N_GUARD::QAR1(A),XB(a)
      • B(a);N_GUARD::QAR1(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).