MESON Chess Problem Database

Problem Display
PID: 69172 (1b6/1QN5/3B4/5p1p/2bk4/1pNn2n1/5P2/1K1R4 w - - 0 1)

Bayer, Konrad

The Chess Player's Chronicle (Sampson), 1874

1b6/1QN5/3B4/5p1p/2bk4/1pNn2n1/5P2/1K1R4

#2

7 + 8

5656 Sammlung Leichterer Schachaufgaben I (Dufresne) 1881

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Se2#
    • 1...Sh1
      • 2.Se2#
    • 1...Se2
      • 2.Sxe2#
    • 1...Se4
      • 2.Se2#
  • Tries
    • 1.Be5+?
      • 1...Kc5
        • 2.Sa4#
      • 1...Kxe5!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qh8#
      • 1...Kxc3
        • 2.Sb5#
      • 1...Bb5
        • 2.S7xb5#
        • 2.Se6#
      • 1...Bd5
        • 2.S7b5#
      • 1...Ba6
        • 2.Se6#
      • 1...Be6
        • 2.S7b5#
        • 2.Sxe6#
      • 1...Bf7
        • 2.S7b5#
      • 1...Bg8
        • 2.S7b5#
      • 1...Se4
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • S(c);N_GUARD::S(D)
    • S(c);N_GUARD::S(D),XS(c)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(e);N_SPINS(b),S_FLIGHT::S(D)
      • Refutation
        • K(e);N_SPINS(b),S_FLIGHT,XB(E)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • K(e);N_SPINS(b),S_FLIGHT,XS(D)::S(G)
      • B(d);N_GUARD::S(G)
      • S(c);N_GUARD,SBLOCK::S(D)
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).