MESON Chess Problem Database

Problem Display
PID: 240669 (8/3P3r/R1K1k3/2p5/5RP1/2P2P2/1B5b/8 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Thema Danicum, 1985

8/3P3r/R1K1k3/2p5/5RP1/2P2P2/1B5b/8

#2

8 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.d8S+?
      • 1...Ke5
        • 2.Rf5#
      • 1...Ke7!
  • Keys
    • 1.Kc7+!
      • 1...Kd5
        • 2.c4#
      • 1...Ke5
        • 2.Rf5#
      • 1...Ke7
        • 2.d8Q#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(H);CHECK
      • Vars
        • K(c);P-FLIGHT::R1(D)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • K(G);CHECK,P-FLIGHT,P_SPINP(H),P_SPINR(D)
    • Vars
      • K(c);S_FLIGHT::P(B)
      • K(c);N_PINR(D),P-FLIGHT::R1(D)
      • K(c);N_PINP(H),P-FLIGHT::P=Q
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).