MESON Chess Problem Database

Problem Display
PID: 94962 (1B6/5p2/Q1P5/2kp4/5P2/P4P2/bK2N3/8 w - - 0 1)

Ferber, Eugene

British Chess Magazine 13. Ty., 1906-1907

1B6/5p2/Q1P5/2kp4/5P2/P4P2/bK2N3/8

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.a4?
      • threat
        • 2.Qb5#
      • 1...Kb4
        • 2.Bd6#
        • 2.Qb5#
      • 1...Bc4!
    • 1.c7?
      • threat
        • 2.Ba7#
        • 2.c8Q#
        • 2.c8R#
      • 1...Bb1
        • 2.Ba7#
        • 2.c8Q#
        • 2.c8R#
      • 1...Bb3
        • 2.Ba7#
        • 2.c8Q#
        • 2.c8R#
      • 1...Bc4
        • 2.Ba7#
        • 2.c8Q#
        • 2.c8R#
      • 1...f5
        • 2.Ba7#
        • 2.c8Q#
        • 2.c8R#
      • 1...f6
        • 2.Ba7#
        • 2.c8Q#
        • 2.c8R#
      • 1...d4!
  • Keys
    • 1.Sd4!
      • 1...Kxd4
        • 2.Ba7#
      • 1...Bb1
        • 2.Sb3#
      • 1...Bb3
        • 2.Sxb3#
      • 1...Bc4
        • 2.Qa7#
      • 1...f5
        • 2.Se6#
      • 1...f6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);
      • Threat
        • QAR1(F)
      • Refutation
        • B(a);
    • Try
      • P(G);
      • Threat
        • DUALS(3)
      • Refutation
        • P(c);
  • Actual
    • S(B);
    • Vars
      • K(b);S_FLIGHT,XS(B)::B(H)
      • B(a);N_GUARD::S(B)
      • B(a);N_GUARD::S(B),XB(a)
      • B(a);SBLOCK::QAB(F)
      • P(d);N_GUARD::S(B)
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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).