MESON Chess Problem Database

Problem Display
PID: 222726 (4B3/5Np1/2R5/4pN2/1Pp1k1p1/2p3P1/2P5/5K2 w - - 0 1)

Klark, Dmitry Vasilevich

Charleston Sunday News, 1884

4B3/5Np1/2R5/4pN2/1Pp1k1p1/2p3P1/2P5/5K2

#2

8 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sg5#
  • Tries
    • 1.Sg5+?
      • 1...Kd5
        • 2.Rc5#
        • 2.Rd6#
      • 1...Kxf5!
    • 1.Rf6?
      • threat
        • 2.Bc6#
      • 1...Kf3
        • 2.Sg5#
      • 1...Kd5
        • 2.Bc6#
      • 1...gxf6!
  • Keys
    • 1.Rg6!
      • 1...Kf3
        • 2.Sg5#
      • 1...Kd5
        • 2.Bc6#
      • 1...Kxf5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(c);S_FLIGHT,XS(E)
    • Try
      • R(F);
      • Threat
        • B(H)
      • Vars
        • K(c);S_FLIGHT::S(G)
        • K(c);S_FLIGHT::B(H)
      • Refutation
        • P(f);XR(F)
  • Actual
    • R(F);
    • Vars
      • K(c);S_FLIGHT::S(G)
      • K(c);S_FLIGHT::B(H)
      • K(c);S_FLIGHT,XS(E)::S(G)
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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).