Problem Display
PID: 166188 (k2N4/1Rp5/7K/1B1p1ppp/p2P4/2N5/5Qb1/6rr w - - 0 1)

Rautanen, Aleksis Richard Rurik

Stella Polaris, 1966

k2N4/1Rp5/7K/1B1p1ppp/p2P4/2N5/5Qb1/6rr

#3

7 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Rh3
      • 2.Qxf5
        • threat
          • 3.Qc8#
    • 1...Bf1
      • 2.Sxd5
        • threat
          • 3.Sxc7#
        • 2...c5
          • 3.Sb6#
          • 3.Sc7#
        • 2...c6
          • 3.Sb6#
          • 3.Sc7#
    • 1...a3
      • 2.Qc2
        • threat
          • 3.Qa4#
    • 1...g4
      • 2.Qxf5
        • threat
          • 3.Qc8#
    • 1...c5
      • 2.Sxa4
        • threat
          • 3.Sb6#
    • 1...c6
      • 2.Sxa4
        • threat
          • 3.Sb6#
  • Tries
    • 1.Sxa4?
      • threat
        • 2.Sb6+
          • 2...cxb6
            • 3.Qa2#
        • 2.Qa2
          • threat
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
        • 2.Qd2
          • threat
            • 3.Qa5#
      • 1...Rb1
        • 2.Sb6+
          • 2...cxb6
            • 3.Qa2#
        • 2.Qa2
          • threat
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
      • 1...Rc1
        • 2.Sb6+
          • 2...cxb6
            • 3.Qa2#
      • 1...Rd1
        • 2.Sb6+
          • 2...cxb6
            • 3.Qa2#
        • 2.Qa2
          • threat
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
      • 1...Re1
        • 2.Sb6+
          • 2...cxb6
            • 3.Qa2#
      • 1...Rh3
        • 2.Qxf5
          • threat
            • 3.Qc8#
      • 1...Bf1
        • 2.Sb6+
          • 2...cxb6
            • 3.Qa2#
        • 2.Qa2
          • threat
            • 3.Sb2#
            • 3.Sc3#
            • 3.Sc5#
            • 3.Sb6#
      • 1...Ra1!
    • 1.Ra7+?
      • 1...Kb8
        • 2.Sc6+
          • 2...Kc8
            • 3.Qxf5#
      • 1...Kxa7!
    • 1.Rb8+?
      • 1...Ka7
        • 2.Sc6#
      • 1...Kxb8!
    • 1.Qe1?
      • threat
        • 2.Sxd5
          • threat
            • 3.Sxc7#
            • 3.Qa5#
        • 2.Qe6
          • threat
            • 3.Qc8#
            • 3.Qa6#
      • 1...Rh3
        • 2.Qe6
          • threat
            • 3.Qc8#
            • 3.Qa6#
      • 1...Be4
        • 2.Sxd5
          • threat
            • 3.Sxc7#
            • 3.Qa5#
      • 1...c5
        • 2.Sxa4
          • threat
            • 3.Sb6#
            • 3.Qa5#
        • 2.Sxd5
          • threat
            • 3.Sb6#
            • 3.Sc7#
            • 3.Qa5#
        • 2.Qe5
          • threat
            • 3.Qb8#
        • 2.Qe6
          • threat
            • 3.Qc8#
            • 3.Qa6#
      • 1...c6
        • 2.Sxa4
          • threat
            • 3.Sb6#
            • 3.Qa5#
        • 2.Sxd5
          • threat
            • 3.Sb6#
            • 3.Sc7#
            • 3.Qa5#
        • 2.Qe5
          • threat
            • 3.Qb8#
        • 2.Qe6
          • threat
            • 3.Qc8#
      • 1...Rxe1!
    • 1.Qa2?
      • threat
        • 2.Qxa4#
      • 1...a3
        • 2.Qxa3#
      • 1...Ra1!
    • 1.Qc2?
      • threat
        • 2.Qxa4#
      • 1...a3
        • 2.Qa4#
      • 1...Ra1!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Sb5
          • threat
            • 3.Sxc7#
          • 2...c5
            • 3.Sc7#
          • 2...c6
            • 3.Sc7#
      • 1...Rxf1
        • 2.Qe2
          • threat
            • 3.Qa6#
      • 1...Bxf1
        • 2.Sxd5
          • threat
            • 3.Sxc7#
          • 2...c5
            • 3.Sb6#
            • 3.Sc7#
          • 2...c6
            • 3.Sb6#
            • 3.Sc7#
      • 1...Rh3
        • 2.Qxf5
          • threat
            • 3.Qc8#
      • 1...c5
        • 2.Sxa4
          • threat
            • 3.Sb6#
        • 2.Sb5
          • threat
            • 3.Sc7#
      • 1...c6
        • 2.Sxa4
          • threat
            • 3.Sb6#

FEATURES


NOT CLASSIFIED


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).