Problem Display
PID: 13402 (7B/8/8/3P4/7Q/1pNP4/1P6/kN5K w - - 0 1)

Mazel, Frantisek

Illustrovany svet, 1902

7B/8/8/3P4/7Q/1pNP4/1P6/kN5K

#3

8 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Sd1?
      • threat
        • 2.Sd2
          • 2...Ka2
            • 3.Qa4#
      • 1...Ka2
        • 2.Sd2
          • 2...Ka1
            • 3.Qa4#
        • 2.Sbc3+
          • 2...Ka1
            • 3.Qa4#
      • 1...Kxb1!
    • 1.Se2?
      • threat
        • 2.Sd2
          • 2...Ka2
            • 3.Qa4#
      • 1...Ka2
        • 2.Sd2
          • 2...Ka1
            • 3.Qa4#
      • 1...Kxb1!
    • 1.Sa4?
      • threat
        • 2.Qe1
          • 2...Ka2
            • 3.Sbc3#
      • 1...Ka2
        • 2.Sbc3+
          • 2...Ka1
            • 3.Qe1#
        • 2.Qe1
          • 2...Ka1
            • 3.Sbc3#
      • 1...Kxb1!
    • 1.Se4?
      • threat
        • 2.Sed2
          • 2...Ka2
            • 3.Qa4#
      • 1...Ka2
        • 2.Sed2
          • 2...Ka1
            • 3.Qa4#
      • 1...Kxb1!
    • 1.Sb5?
      • threat
        • 2.Sd2
          • 2...Ka2
            • 3.Qa4#
      • 1...Ka2
        • 2.Sd2
          • 2...Ka1
            • 3.Qa4#
      • 1...Kxb1!
  • Keys
    • 1.Sa2!
      • threat
        • 2.Sd2
          • 2...Kxa2
            • 3.Qa4#
          • 2...bxa2
            • 3.Qe1#
            • 3.b3#
            • 3.b4#
        • 2.Sb4
          • 2...Kxb1
            • 3.Qe1#
      • 1...Kxb1
        • 2.Sb4
          • threat
            • 3.Qe1#
          • 2...Ka1
            • 3.Qe1#
          • 2...Kc1
            • 3.Qe1#
      • 1...Kxa2
        • 2.Sd2
          • 2...Ka1
            • 3.Qa4#
      • 1...bxa2
        • 2.Qa4
          • 2...Kxb1
            • 3.Qd1#

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).