Problem Display
PID: 67018 (7Q/8/1P1P1P2/2P1p1P1/4N3/7p/3K2pr/6k1 w - - 0 1)

Cuppini, Alessandro

Troll, 2001

7Q/8/1P1P1P2/2P1p1P1/4N3/7p/3K2pr/6k1

#3

8 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kh1
      • 2.Qa8
        • 2...g1Q+
          • 3.Sf2#
        • 2...g1S+
          • 3.Sf2#
        • 2...g1B+
          • 3.Sf2#
        • 2...g1R+
          • 3.Sf2#
        • 2...Kg1
          • 3.Qa1#
  • Tries
    • 1.Qh4?
      • threat
        • 2.Qe1#
      • 1...Rh1
        • 2.Qg3
          • 2...Kf1
            • 3.Qe1#
            • 3.Qf2#
          • 2...Rh2
            • 3.Qe1#
          • 2...h2
            • 3.Qe1#
            • 3.Qf2#
      • 1...Kh1!
    • 1.Qh5?
      • threat
        • 2.Qd1#
      • 1...Kh1
        • 2.Qf3
          • 2...Kg1
            • 3.Qd1#
      • 1...Rh1!
    • 1.Qa8?
      • threat
        • 2.Qa1#
      • 1...Kh1
        • 2.Kc2
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1S+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...g1R+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
        • 2.Kc3
          • 2...Kg1
            • 3.Qa1#
          • 2...g1Q
            • 3.Sf2#
            • 3.Sg3#
          • 2...g1S
            • 3.Sf2#
            • 3.Sg3#
          • 2...g1B
            • 3.Sf2#
            • 3.Sg3#
          • 2...g1R
            • 3.Sf2#
            • 3.Sg3#
        • 2.Kd3
          • 2...Kg1
            • 3.Qa1#
          • 2...g1Q
            • 3.Sf2#
            • 3.Sg3#
          • 2...g1S
            • 3.Sf2#
            • 3.Sg3#
          • 2...g1B
            • 3.Sf2#
            • 3.Sg3#
          • 2...g1R
            • 3.Sf2#
            • 3.Sg3#
        • 2.Ke3
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
          • 2...g1S
            • 3.Sf2#
            • 3.Sg3#
          • 2...g1R
            • 3.Sf2#
            • 3.Sg3#
        • 2.g6
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1S+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...g1R+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
        • 2.d7
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1S+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...g1R+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
        • 2.f7
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1S+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...g1R+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
      • 1...Rh1!
    • 1.Qc8?
      • 1...Kf1
        • 2.Qa6+
          • 2...Kg1
            • 3.Qa1#
      • 1...Kh1
        • 2.Qa8
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1S+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...g1R+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
      • 1...Rh1!
    • 1.Qg8?
      • 1...Kf1
        • 2.Qc4+
          • 2...Kg1
            • 3.Qc1#
      • 1...Kh1
        • 2.Qa8
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1S+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...g1R+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
      • 1...Rh1!
    • 1.f7?
      • 1...Kh1
        • 2.Qa8
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1S+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...g1R+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
      • 1...Rh1
        • 2.Qxe5
          • 2...Kf1
            • 3.Qa1#
          • 2...Rh2
            • 3.Qa1#
          • 2...h2
            • 3.Qa1#
      • 1...Kf1!
  • Keys
    • 1.Qe8!
      • 1...Kf1
        • 2.Qb5+
          • 2...Kg1
            • 3.Qb1#
      • 1...Kh1
        • 2.Qa8
          • 2...g1Q+
            • 3.Sf2#
          • 2...g1S+
            • 3.Sf2#
          • 2...g1B+
            • 3.Sf2#
          • 2...g1R+
            • 3.Sf2#
          • 2...Kg1
            • 3.Qa1#
      • 1...Rh1
        • 2.Qxe5
          • 2...Kf1
            • 3.Qa1#
          • 2...Rh2
            • 3.Qa1#
          • 2...h2
            • 3.Qa1#

FEATURES


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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).