MESON Chess Problem Database

Problem Display
PID: 223436 (3q4/BBp1P2Q/3R2R1/3Ppp2/4k3/4pr2/K3P2p/8 w - - 0 1)

Mackenzie, Arthur Ford

Brentano's Chess Monthly, 1881

3q4/BBp1P2Q/3R2R1/3Ppp2/4k3/4pr2/K3P2p/8

#2

9 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qh4#
    • 1...Rh3
      • 2.Rg4#
    • 1...f4
      • 2.Rg1#
      • 2.Rg2#
      • 2.Rg3#
      • 2.Rg4#
      • 2.Rg5#
      • 2.Rge6#
      • 2.Rgf6#
      • 2.Rh6#
      • 2.Rg7#
      • 2.Rg8#
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rc4#
      • 1...Kf4
        • 2.Qh4#
      • 1...Kxd5
        • 2.Rxc7#
      • 1...f4
        • 2.Rgd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(d);P-FLIGHT::QAR2(I)
    • R(c);N_GUARD::R(E)
  • Actual
    • R(D);
    • Threat
      • R(D)
    • Vars
      • K(d);P-FLIGHT::QAR2(I)
      • K(d);OGATEB,S_FLIGHT,XP(C)::B(G)+R(D),XP(g)
      • P(f);OGATEB,SBLOCK::QAB(I)+R(E)
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).