MESON Chess Problem Database

Problem Display
PID: 189769 (8/n1p3K1/2pPN2p/1Pp1k1pP/2BR2P1/3P1p2/5P2/2B5 w - - 0 1)

van Dijk, Johannes

Utrecht Dagblad, 1912

8/n1p3K1/2pPN2p/1Pp1k1pP/2BR2P1/3P1p2/5P2/2B5

#2

11 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...cxd6
      • 2.Re4#
  • Tries
    • 1.Sxg5?
      • threat
        • 2.Sxf3#
      • 1...Kxd4
        • 2.Bb2#
      • 1...cxd4
        • 2.Sf7#
      • 1...hxg5!
    • 1.Bxg5?
      • threat
        • 2.Bf4#
        • 2.Bf6#
      • 1...cxd4
        • 2.Bf4#
      • 1...hxg5!
  • Keys
    • 1.Sd8!
      • 1...Kxd4
        • 2.Bb2#
      • 1...Sxb5
        • 2.Sxc6#
      • 1...cxd4
        • 2.Sf7#
      • 1...cxb5
        • 2.Rd5#
      • 1...cxd6
        • 2.Re4#
      • 1...Sc8
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(h);SBLOCK,XP(I)::R1(E)
  • Tries
    • Try
      • S(J);XP(d)
      • Threat
        • S(J),XP(a)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(E)::B(A)
        • P(b);SBLOCK,XR(E)::S(J)
      • Refutation
        • P(f);XS(J)
    • Try
      • B(A);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XR(E)::B(A)
      • Refutation
        • P(f);XB(A)
  • Actual
    • S(J);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(E)::B(A)
      • S(g);N_GUARD,XP(G)::S(J),XP(e)
      • P(b);SBLOCK,XR(E)::S(J)
      • P(e);N_GUARD,XP(G)::R1(E)
      • P(h);SBLOCK,XP(I)::R1(E)
      • S(g);N_GUARD::S(J),XP(e)
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).