MESON Chess Problem Database

Problem Display
PID: 193378 (7k/6p1/6pp/6N1/8/8/B7/R3K3 w Q - 0 1)

van Dijk, Johannes

De Maasbode, 1914

7k/6p1/6pp/6N1/8/8/B7/R3K3

#2

4 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kd2?
      • 1...hxg5
        • 2.Rh1#
      • 1...h5!
    • 1.Ke2?
      • 1...hxg5
        • 2.Rh1#
      • 1...h5!
    • 1.Kf2?
      • 1...hxg5
        • 2.Rh1#
      • 1...h5!
    • 1.Bb1?
      • threat
        • 2.Ra8#
      • 1...Kg8
        • 2.Ra8#
      • 1...hxg5!
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Rd8#
      • 1...hxg5
        • 2.Rh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);OGATEB,XS(D)::R(A)
      • Refutation
        • P(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);OGATEB,XS(D)::R(A)
      • Refutation
        • P(b);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);OGATEB,XS(D)::R(A)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Threat
        • R(A)
      • Vars
        • K(d);P-FLIGHT::R(A)
      • Refutation
        • P(b);XS(D)
  • Actual
    • K(B);0-0-0
    • Threat
      • R(A)
    • Vars
      • P(b);OGATEB,XS(D)::R(A)
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).