MESON Chess Problem Database

Problem Display
PID: 182298 (5b2/1p2p1p1/1PN1P1P1/p1PkN1P1/P2P3R/4p2B/1K2P3/8 w - - 0 1)

van Dijk, Johannes

Schaakblad, 1906

5b2/1p2p1p1/1PN1P1P1/p1PkN1P1/P2P3R/4p2B/1K2P3/8

#2

13 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4?
      • 1...Kxc6
        • 2.Bg2#
      • 1...bxc6
        • 2.Sxe3#
      • 1...Kxc4!
  • Keys
    • 1.Sg4!
      • 1...Kc4
        • 2.Sxe3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxc6
        • 2.Bg2#
      • 1...Kxe6
        • 2.Sxe3#
        • 2.Sf6#
      • 1...bxc6
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Vars
        • K(c);S_FLIGHT,XS(K)::B(C)
        • P(d);SBLOCK,XS(K)::S(H),XP(a)
      • Refutation
        • K(c);S_FLIGHT,XS(H)
  • Actual
    • S(H);
    • Vars
      • K(c);S_FLIGHT::S(H),XP(a)
      • K(c);S_FLIGHT::R(F)+S(H),DCHECK
      • K(c);S_FLIGHT,XS(K)::B(C)
      • P(d);SBLOCK,XS(K)::S(H),XP(a)
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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).