Problem Display
PID: 16282 (n5n1/1K1Pk1p1/1R2B3/7P/3NRN1b/4B3/8/8 w - - 0 1)

Samotugov, Evgeny S

Veliky, Mikola Moiseyovich

The Problemist, 2000

n5n1/1K1Pk1p1/1R2B3/7P/3NRN1b/4B3/8/8

#2

9 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kf6
      • 2.Sd5#
    • 1...Kd8
      • 2.Sc6#
    • 1...Kf8
      • 2.Sg6#
  • Tries
    • 1.Kc8?
      • threat
        • 2.d8Q#
      • 1...Kf6
        • 2.Sd5#
      • 1...Kf8
        • 2.Sg6#
      • 1...Sxb6+!
    • 1.Sf5+?
      • 1...Kf6
        • 2.Sd5#
      • 1...Kf8
        • 2.Sg6#
      • 1...Kd8!
    • 1.Sc6+?
      • 1...Kf6
        • 2.Sd5#
      • 1...Kf8
        • 2.Sg6#
      • 1...Kd6!
    • 1.Sd5+?
      • 1...Kd8
        • 2.Sc6#
      • 1...Kf8!
    • 1.Sg6+?
      • 1...Kd8
        • 2.Sc6#
      • 1...Kf6!
  • Keys
    • 1.Rd6!
      • threat
        • 2.d8Q#
      • 1...Kxd6
        • 2.Sf5#
      • 1...Kf6
        • 2.Sd5#
      • 1...Kd8
        • 2.Sc6#
      • 1...Kf8
        • 2.Sg6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(D)
    • K(b);S_FLIGHT::S(B)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Threat
        • P=Q
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • S(d);CHECK,XR(F)
    • Try
      • S(B);CHECK
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(F);
    • Threat
      • P=Q
    • Vars
      • K(b);S_FLIGHT,XR(F)::S(B)
      • K(b);S_FLIGHT::S(D)
      • K(b);S_FLIGHT::S(B)


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).