Problem Display
PID: 60828 (1BR5/r1p1N3/1R4K1/3Bb1p1/5kP1/4N3/5P2/6r1 w - - 0 1)

Albert, Bernard

Good Companions (April), 1916

1BR5/r1p1N3/1R4K1/3Bb1p1/5kP1/4N3/5P2/6r1

#2

9 + 6


3132 The Good Companion Two-Mover 1922

SOLUTION


  • SOUND
  • Sets
    • 1...cxb6
      • 2.Rc4#
      • 2.Rf8#
    • 1...c5
      • 2.Rf6#
      • 2.Rf8#
    • 1...c6
      • 2.Rb4#
      • 2.Rf8#
  • Tries
    • 1.Kh7?
      • threat
        • 2.Sg6#
      • 1...cxb6
        • 2.Rc4#
        • 2.Rf8#
      • 1...c5
        • 2.Rf6#
        • 2.Rf8#
      • 1...c6
        • 2.Rb4#
        • 2.Rf8#
      • 1...Rh1+!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Sg6#
      • 1...cxb6
        • 2.Rc4#
      • 1...c5
        • 2.Rf6#
      • 1...c6
        • 2.Rb4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Threat
        • S(G)
      • Refutation
        • R(a);CHECK
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • S(G)
    • Vars
      • P(f);OGATE,P_PINS(G),P_SPINB(c),XR(E)::R(I)
      • P(f);P_PINS(G),P_SPINB(c)::R(E)


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).