MESON Chess Problem Database

Problem Display
PID: 187875 (1n1kB3/1P3K2/1p3p2/3Np3/1n2pB2/1N1R4/b7/8 w - - 0 1)

Bokor, Erno

Vilag, 1910

1n1kB3/1P3K2/1p3p2/3Np3/1n2pB2/1N1R4/b7/8

#2

7 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Bg5#
  • Tries
    • 1.Sc7+?
      • 1...Sxd3
        • 2.Se6#
      • 1...Sd5
        • 2.Se6#
      • 1...Sd7
        • 2.Se6#
        • 2.Rxd7#
        • 2.b8Q#
      • 1...exd3
        • 2.Se6#
      • 1...Kxc7!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Se6#
      • 1...exd4
        • 2.Bc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(f);OGATEB::B(C)
  • Tries
    • Try
      • S(D);CHECK,P_SPINS(A)
      • Vars
        • S(b);XR(B)::S(D)
        • S(b);N_PINS(A),P_SPINS(b)::S(D)
        • P(c);XR(B)::S(D)
      • Refutation
        • K(h);P_SPINP(d),S_FLIGHT,XS(D)
  • Actual
    • S(A);P_SPINS(D)
    • Threat
      • S(A)
    • Vars
      • P(d);OGATE,XS(A)::B(C)
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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).