MESON Chess Problem Database

Problem Display
PID: 223438 (8/8/p1R5/3N4/2Nk1pb1/3p4/6QB/6K1 w - - 0 1)

Moller, Ferdinand Friedrich

Bruderschaft, 1886

8/8/p1R5/3N4/2Nk1pb1/3p4/6QB/6K1

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • threat
        • 2.Qb2#
      • 1...Kc3
        • 2.Qb2#
      • 1...d2
        • 2.Qxd2#
      • 1...Be2!
  • Keys
    • 1.Sc3!
      • 1...Kxc3
        • 2.Qb2#
      • 1...d2
        • 2.Qxd2#
      • 1...Bf5
        • 2.Qg7#
      • 1...Bd1
        • 2.Qg7#
      • 1...Be2
        • 2.Qg7#
      • 1...Bf3
        • 2.Qg7#
      • 1...Bh3
        • 2.Qg7#
      • 1...Bh5
        • 2.Qg7#
      • 1...Be6
        • 2.Qg7#
      • 1...Bd7
        • 2.Qg7#
      • 1...Bc8
        • 2.Qg7#
      • 1...f3
        • 2.Be5#
      • 1...a5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB(B)
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • B(d);
  • Actual
    • S(E);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(E)::QAB1(B)
      • P(a);OGATEB::QAR2(B),XP(a)
      • B(d);OGATE::QAB(B)
      • P(c);OGATE::B(C)
      • P(e);N_GUARD::S(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).