MESON Chess Problem Database

Problem Display
PID: 175162 (2N5/1n6/8/1P1k1P2/N4P2/1pP1K3/4P3/5B2 w - - 0 1)

van Dijk, Johannes

Oprechte Haarlemsche Courant, 1902

2N5/1n6/8/1P1k1P2/N4P2/1pP1K3/4P3/5B2

#2

9 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sab6#
    • 1...Sd6
      • 2.Scb6#
  • Tries
    • 1.Kd3?
      • threat
        • 2.Bg2#
        • 2.e4#
        • 2.c4#
      • 1...Sa5
        • 2.Bg2#
        • 2.e4#
      • 1...Sd6
        • 2.Scb6#
        • 2.Se7#
      • 1...Sc5+!
  • Keys
    • 1.Kf3!
      • threat
        • 2.e4#
      • 1...Kc4
        • 2.e4#
      • 1...Sc5
        • 2.Sab6#
      • 1...Sd6
        • 2.Scb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::S(E)
    • S(c);SBLOCK::S(I)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • DUALS(3)
      • Refutation
        • S(c);CHECK
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • P(B)
    • Vars
      • K(b);S_FLIGHT::B(A)+P(B)
      • S(c);SBLOCK::S(E)
      • S(c);SBLOCK::S(I)
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).