MESON Chess Problem Database

Problem Display
PID: 183426 (3N1b2/p7/k2p1r1Q/p7/R1p5/KN6/b7/1R3B2 w - - 0 1)

Kipping, Cyril Stanley

The Problemist, 1943

3N1b2/p7/k2p1r1Q/p7/R1p5/KN6/b7/1R3B2

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf1
      • 2.Sc5#
    • 1...Rf2
      • 2.Sc5#
    • 1...Rf4
      • 2.Sc5#
    • 1...Rf7
      • 2.Sc5#
  • Keys
    • 1.Rxc4!
      • threat
        • 2.Rc6#
      • 1...d5+
        • 2.Rb4#
      • 1...Kb5
        • 2.Rb4#
      • 1...Kb6
        • 2.Rc6#
      • 1...Rxf1
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(f);N_SPINP(b),P_SPINP(c),S_CUTP(e),XB(B)::S(D)
    • R(f);S_CUTP(e)::S(D)
  • Actual
    • R(E);XP(b)
    • Threat
      • B(B)+R(E),DCHECK
    • Vars
      • P(e);CHECK,P_SPINR(f)::B(B)+R(E)
      • K(d);S_FLIGHT::B(B)+R(E),DCHECK
      • K(d);P-FLIGHT::R1(E)
      • R(f);P_SPINP(e),XB(B)::S(D)
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).