MESON Chess Problem Database

Problem Display
PID: 227601 (8/7K/8/7R/8/4b2B/6RB/7k w - - 0 1)

van Dijk, Johannes

Panorama, 1926

8/7K/8/7R/8/4b2B/6RB/7k

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rgg5?
      • threat
        • 2.Bg2#
      • 1...Kxh2
        • 2.Bf1#
        • 2.Bf5#
        • 2.Be6#
        • 2.Bd7#
        • 2.Bc8#
      • 1...Bxg5!
    • 1.Rg6?
      • threat
        • 2.Bg2#
      • 1...Kxh2
        • 2.Bf1#
        • 2.Bf5#
        • 2.Be6#
        • 2.Bd7#
        • 2.Bc8#
      • 1...Bg5!
    • 1.Rg7?
      • threat
        • 2.Bg2#
      • 1...Kxh2
        • 2.Bf1#
        • 2.Bf5#
        • 2.Be6#
        • 2.Bd7#
        • 2.Bc8#
      • 1...Bg5!
    • 1.Rg8?
      • threat
        • 2.Bg2#
      • 1...Kxh2
        • 2.Bf1#
        • 2.Bf5#
        • 2.Be6#
        • 2.Bd7#
        • 2.Bc8#
      • 1...Bg5!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Bg2#
      • 1...Kxh2
        • 2.Bf1#

FEATURES

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