Problem Display
PID: 61413 (4Q2B/2p5/3p4/6P1/Kp2N3/3B1p2/2P2PP1/2k5 w - - 0 1)

Pradignat, Emile Leonard

Skakbladet, 1906

4Q2B/2p5/3p4/6P1/Kp2N3/3B1p2/2P2PP1/2k5

#3

9 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kd1
      • 2.Qh5
        • threat
          • 3.Qh1#
        • 2...Kc1
          • 3.Qh1#
        • 2...Ke1
          • 3.Qh1#
  • Tries
    • 1.Kb3?
      • threat
        • 2.Sc3
          • threat
            • 3.Qe1#
            • 3.Qe3#
          • 2...Kd2
            • 3.Qe3#
        • 2.Qa4
          • threat
            • 3.Qa1#
          • 2...Kb1
            • 3.Qa1#
          • 2...Kd1
            • 3.Qa1#
        • 2.Qa8
          • threat
            • 3.Qa1#
          • 2...Kb1
            • 3.Qa1#
          • 2...Kd1
            • 3.Qa1#
      • 1...Kb1
        • 2.Sd2+
          • 2...Kc1
            • 3.Qe1#
        • 2.Sc3+
          • 2...Ka1
            • 3.Qa4#
            • 3.Qe1#
            • 3.Qa8#
          • 2...Kc1
            • 3.Qe1#
            • 3.Qe3#
          • 2...bxc3
            • 3.Qe1#
        • 2.Sg3
          • threat
            • 3.Qe1#
          • 2...Kc1
            • 3.Qe1#
        • 2.Sc5
          • threat
            • 3.Qe1#
          • 2...Kc1
            • 3.Qe1#
        • 2.Sxd6
          • threat
            • 3.Qe1#
          • 2...Kc1
            • 3.Qe1#
        • 2.Sf6
          • threat
            • 3.Qe1#
          • 2...Ka1
            • 3.Qe1#
          • 2...Kc1
            • 3.Qe1#
        • 2.Bb2
          • threat
            • 3.Sd2#
            • 3.c3#
            • 3.c4#
        • 2.Qa4
          • threat
            • 3.Qa1#
          • 2...Kc1
            • 3.Qa1#
        • 2.Qh5
          • threat
            • 3.Qh1#
          • 2...Kc1
            • 3.Qh1#
          • 2...fxg2
            • 3.Qd1#
        • 2.Qa8
          • threat
            • 3.Qa1#
          • 2...Kc1
            • 3.Qa1#
      • 1...Kd1
        • 2.Qa4
          • threat
            • 3.Qa1#
          • 2...Kc1
            • 3.Qa1#
          • 2...Ke1
            • 3.Qa1#
        • 2.Qh5
          • threat
            • 3.Qh1#
          • 2...Kc1
            • 3.Qh1#
          • 2...Ke1
            • 3.Qh1#
        • 2.Qa8
          • threat
            • 3.Qa1#
          • 2...Kc1
            • 3.Qa1#
          • 2...Ke1
            • 3.Qa1#
      • 1...d5
        • 2.Sc3
          • threat
            • 3.Qe1#
            • 3.Qe3#
          • 2...Kd2
            • 3.Qe3#
      • 1...c6
        • 2.Sc3
          • threat
            • 3.Qe1#
            • 3.Qe3#
          • 2...Kd2
            • 3.Qe3#
        • 2.Qa8
          • threat
            • 3.Qa1#
          • 2...Kb1
            • 3.Qa1#
          • 2...Kd1
            • 3.Qa1#
      • 1...c5!
    • 1.Sd2?
      • threat
        • 2.Qe1#
      • 1...Kd1
        • 2.Sxf3
          • threat
            • 3.Qe1#
          • 2...Kc1
            • 3.Qe1#
      • 1...Kxd2!
    • 1.Bb2+?
      • 1...Kb1
        • 2.Kb3
          • threat
            • 3.Sd2#
            • 3.c3#
            • 3.c4#
      • 1...Kd1
        • 2.Qh5
          • threat
            • 3.Qh1#
          • 2...Ke1
            • 3.Qh1#
      • 1...Kxb2!
    • 1.Qh5?
      • threat
        • 2.Qh1#
      • 1...Kb1
        • 2.Kb3
          • threat
            • 3.Qh1#
          • 2...Kc1
            • 3.Qh1#
          • 2...fxg2
            • 3.Qd1#
        • 2.Qh1+
          • 2...Ka2
            • 3.Qa1#
      • 1...fxg2!
    • 1.Qe5?
      • threat
        • 2.Qa1#
      • 1...Kb1
        • 2.Qa1#
        • 2.Qb2#
      • 1...Kd1
        • 2.Qa1#
      • 1...dxe5!
    • 1.Qa8?
      • threat
        • 2.Kb3
          • threat
            • 3.Qa1#
          • 2...Kb1
            • 3.Qa1#
          • 2...Kd1
            • 3.Qa1#
      • 1...Kb1
        • 2.Kb3
          • threat
            • 3.Qa1#
          • 2...Kc1
            • 3.Qa1#
      • 1...Kd1
        • 2.Kb3
          • threat
            • 3.Qa1#
          • 2...Kc1
            • 3.Qa1#
          • 2...Ke1
            • 3.Qa1#
      • 1...b3
        • 2.Kxb3
          • threat
            • 3.Qa1#
          • 2...Kb1
            • 3.Qa1#
          • 2...Kd1
            • 3.Qa1#
      • 1...c5
        • 2.Kb5
          • threat
            • 3.Qa1#
          • 2...Kb1
            • 3.Qa1#
          • 2...Kd1
            • 3.Qa1#
      • 1...d5!
  • Keys
    • 1.Ba1!
      • threat
        • 2.Sc3
          • threat
            • 3.Qe1#
            • 3.Qe3#
          • 2...Kd2
            • 3.Qe3#
      • 1...Kb1
        • 2.Qh8
          • threat
            • 3.Qb2#
          • 2...Kc1
            • 3.Qh1#
          • 2...Ka2
            • 3.Qb2#
      • 1...Kd1
        • 2.Qh5
          • threat
            • 3.Qh1#
          • 2...Kc1
            • 3.Qh1#
          • 2...Ke1
            • 3.Qh1#

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).