MESON Chess Problem Database

Problem Display
PID: 202990 (N1R2n1r/1n4B1/R7/3k1B1N/2p2PK1/4p3/8/3rb3 w - - 0 1)

Kuryanov, Timofey

04. YCCC, 2019

N1R2n1r/1n4B1/R7/3k1B1N/2p2PK1/4p3/8/3rb3

#2

8 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sf6#
    • 1...Sc5
      • 2.Sc7#
    • 1...Sd6
      • 2.Sb6#
  • Tries
    • 1.Rd6+?
      • 1...Sxd6
        • 2.Sb6#
      • 1...Kxd6!
    • 1.Rc5+?
      • 1...Sxc5
        • 2.Sc7#
      • 1...Kxc5!
  • Keys
    • 1.Kf3!
      • threat
        • 2.Be4#
      • 1...Rd4
        • 2.Sf6#
      • 1...Sc5
        • 2.Sc7#
      • 1...Sd6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(a);P_PINP(A),SBLOCK::S(D)
    • S(f);SBLOCK::S(G)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • S(f);SBLOCK,XR(E)::S(G)
      • Refutation
        • K(e);P-FLIGHT,XR(E)
    • Try
      • R(H);CHECK
      • Vars
        • S(f);SBLOCK,XR(H)::S(G)
      • Refutation
        • K(e);P-FLIGHT,XR(H)
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • B(C)
    • Vars
      • R(a);SBLOCK::S(D)
      • S(f);SBLOCK::S(G)
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).