MESON Chess Problem Database

Problem Display
PID: 21753 (8/2K5/8/k1Nb4/B2N4/2P5/8/8 w - - 0 1)

Dawson, Thomas Rayner

Chess Amateur (The), 1921

8/2K5/8/k1Nb4/B2N4/2P5/8/8

#2

5 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984
2838 Fun with Chess Miniatures 1996
5454 Near Snap 2009
145 StrateGems 2011
15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Sdb3#
    • 1...Ba2
      • 2.Sc6#
    • 1...Bg2
      • 2.Sdb3#
    • 1...Bb3
      • 2.Sdxb3#
      • 2.Sc6#
    • 1...Bf3
      • 2.Sdb3#
    • 1...Bc4
      • 2.Sc6#
    • 1...Be4
      • 2.Sdb3#
    • 1...Bc6
      • 2.Sdb3#
      • 2.Sxc6#
    • 1...Be6
      • 2.Sc6#
    • 1...Bb7
      • 2.Sdb3#
    • 1...Bf7
      • 2.Sc6#
    • 1...Ba8
      • 2.Sdb3#
    • 1...Bg8
      • 2.Sc6#
  • Keys
    • 1.Bb5!
      • 1...Bh1
        • 2.Scb3#
      • 1...Ba2
        • 2.Sb7#
      • 1...Bg2
        • 2.Scb3#
      • 1...Bb3
        • 2.Scxb3#
        • 2.Sb7#
      • 1...Bf3
        • 2.Scb3#
      • 1...Bc4
        • 2.Sb7#
      • 1...Be4
        • 2.Scb3#
      • 1...Bc6
        • 2.Scb3#
      • 1...Be6
        • 2.Sb7#
      • 1...Bb7
        • 2.Scb3#
        • 2.Sxb7#
      • 1...Bf7
        • 2.Sb7#
      • 1...Ba8
        • 2.Scb3#
      • 1...Bg8
        • 2.Sb7#

This anticipates 206599(1925), 89789(1934), 93389(1946)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 10
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD::S(C)
  • Actual
    • B(B);
    • Vars
      • B(b);N_GUARD::S(D)
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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).