MESON Chess Problem Database

Problem Display
PID: 207128 (2B3N1/2p5/2R5/N1nk1p2/P2n1R2/8/4P3/4B2K w - - 0 1)

Engelhardt, Walther

Paris Chess Congress, 1867

2B3N1/2p5/2R5/N1nk1p2/P2n1R2/8/4P3/4B2K

#2

9 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc5+?
      • 1...Kd6
        • 2.Sb7#
      • 1...Kxc5!
  • Keys
    • 1.Sc4!
      • 1...Kxc4
        • 2.Be6#
      • 1...Kxc6
        • 2.Se7#
      • 1...Sxe2
        • 2.Se7#
      • 1...Sxc6
        • 2.Sf6#
      • 1...Sxa4
        • 2.Se7#
      • 1...Sc2
        • 2.Se7#
      • 1...Sdb3
        • 2.Se7#
      • 1...Sf3
        • 2.Se7#
      • 1...Sb5
        • 2.Se7#
      • 1...Sde6
        • 2.Se7#
      • 1...Scb3
        • 2.Se7#
      • 1...Sd3
        • 2.Se7#
      • 1...Se4
        • 2.Se7#
      • 1...Sa6
        • 2.Se7#
      • 1...Sce6
        • 2.Se7#
      • 1...Sb7
        • 2.Se7#
      • 1...Sd7
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK,XS(b)
      • Vars
        • K(c);P-FLIGHT::S(F)
      • Refutation
        • K(c);P-FLIGHT,XR(G)
  • Actual
    • S(F);
    • Vars
      • K(c);P_SPINS(a),S_FLIGHT,XS(F)::B(H)
      • K(c);S_FLIGHT,XR(G)::S(I)
      • S(a);XP(C)::S(I)
      • S(a);SBLOCK,XR(G)::S(I)
      • S(b);XP(D)::S(I)
      • S(a);::S(I)
      • S(b);::S(I)
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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).