Problem Display
PID: 3216 (2q5/8/8/8/2p5/2k5/1RNR4/2K5 w - - 0 1)

Drobot, Zbigniew

Themes-64, 1986

2q5/8/8/8/2p5/2k5/1RNR4/2K5

#2

4 + 3


133 The Problemist Supplement 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Sa3?
      • threat
        • 2.Sb1#
        • 2.Sb5#
      • 1...Qa6
        • 2.Sb1#
      • 1...Qb7
        • 2.Sb1#
      • 1...Qd7
        • 2.Sb1#
      • 1...Qc5
        • 2.Sb1#
      • 1...Qc6
        • 2.Sb1#
      • 1...Qb8
        • 2.Sb1#
      • 1...Qe8
        • 2.Sb1#
      • 1...Qf5!
    • 1.Sb4?
      • threat
        • 2.Sa2#
        • 2.Sd5#
      • 1...Qf5
        • 2.Sa2#
      • 1...Qa6
        • 2.Sd5#
      • 1...Qe6
        • 2.Sa2#
      • 1...Qb7
        • 2.Sa2#
      • 1...Qd7
        • 2.Sa2#
      • 1...Qc5
        • 2.Sa2#
      • 1...Qc6
        • 2.Sa2#
      • 1...Qd8
        • 2.Sa2#
      • 1...Qg8
        • 2.Sa2#
      • 1...Qa8!
    • 1.Sd4?
      • threat
        • 2.Se2#
        • 2.Sb5#
      • 1...Qg4
        • 2.Sb5#
      • 1...Qf5
        • 2.Se2#
      • 1...Qa6
        • 2.Se2#
      • 1...Qe6
        • 2.Sb5#
      • 1...Qb7
        • 2.Se2#
      • 1...Qd7
        • 2.Se2#
      • 1...Qc5
        • 2.Se2#
      • 1...Qc6
        • 2.Se2#
      • 1...Qb8
        • 2.Se2#
      • 1...Qe8!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sd1#
        • 2.Sd5#
      • 1...Qg4
        • 2.Sd5#
      • 1...Qf5
        • 2.Sd1#
      • 1...Qe6
        • 2.Sd1#
      • 1...Qb7
        • 2.Sd1#
      • 1...Qd7
        • 2.Sd1#
      • 1...Qc5
        • 2.Sd1#
      • 1...Qc6
        • 2.Sd1#
      • 1...Qa8
        • 2.Sd1#
      • 1...Qd8
        • 2.Sd1#
      • 1...Qg8
        • 2.Sd1#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);::S(C)
      • Refutation
        • Q(c);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);::S(C)
      • Refutation
        • Q(c);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);::S(C)
      • Refutation
        • Q(c);
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • Q(c);::S(C)


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).