MESON Chess Problem Database

Problem Display
PID: 246280 (6B1/4B2K/2p1R2b/1pPk4/1p1r1p2/3pP3/q2P2b1/6r1 w - - 0 1)

Lundqvist, Folke

Tidskrift for Schack, 1917

6B1/4B2K/2p1R2b/1pPk4/1p1r1p2/3pP3/q2P2b1/6r1

#2

7 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Re4#
    • 1...fxe3
      • 2.Rxe3#
  • Keys
    • 1.Bd6!
      • threat
        • 2.Re5#
        • 2.Re7#
        • 2.Re8#
      • 1...Qa7+
        • 2.Re7#
      • 1...Be4+
        • 2.Rg6#
      • 1...Kc4
        • 2.Re4#
      • 1...Qa8
        • 2.Re5#
        • 2.Re8#
      • 1...Re4
        • 2.Re5#
      • 1...Bf1
        • 2.Re5#
      • 1...Bh1
        • 2.Re5#
      • 1...Bf3
        • 2.Re5#
      • 1...Bh3
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(i);S_FLIGHT::B(G)+R(D)
    • P(g);OGATE,XP(B)::B(G)+R(D),XP(g)
  • Actual
    • B(E);
    • Threat
      • DUALS(3)
    • Vars
      • Q(b);CHECK::B(G)+R(D)
      • B(c);CHECK,SBLOCK::B(G)+R(D)
      • K(i);S_FLIGHT::B(G)+R(D)
      • R(f);::B(G)+R(D),DCHECK
      • B(c);::B(G)+R(D),DCHECK
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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).