MESON Chess Problem Database

Problem Display
PID: 246398 (R4K1k/4R3/3pB3/2p5/1p3p2/p6r/1N4np/B6q w - - 0 1)

Hjelle, David

Sjakk-Nytt, 1947

R4K1k/4R3/3pB3/2p5/1p3p2/p6r/1N4np/B6q

#2

6 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rh4
      • 2.Sd1#
    • 1...Se1
      • 2.Sd3#
    • 1...Se3
      • 2.Sd1#
    • 1...f3
      • 2.Sd1#
  • Keys
    • 1.Bf5!
      • threat
        • 2.Kf7#
      • 1...Rg3
        • 2.Rh7#
      • 1...Rh7
        • 2.Rxh7#
      • 1...Se1
        • 2.Sd3#
      • 1...Se3
        • 2.Sd1#
      • 1...Sh4
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(e);N_GUARD::B(A)+S(B)
    • S(b);S_CUTQ(a)::B(A)+S(B)
    • S(b);S_CUTR(e)::B(A)+S(B)
    • P(g);S_CUTR(e)::B(A)+S(B)
  • Actual
    • B(C);
    • Threat
      • R(E)+K(F)
    • Vars
      • R(e);N_GUARD::R1(D)
      • R(e);N_GUARD::R1(D),XR(e)
      • S(b);S_CUTQ(a)::B(A)+S(B)
      • S(b);S_CUTR(e)::B(A)+S(B)
      • S(b);S_CUTR(e)::R1(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).