Problem Display
PID: 26429 (8/2P5/8/8/8/7Q/2k5/4K3 w - - 0 1)

Shinkman, William Anthony

Source?, 1885

8/2P5/8/8/8/7Q/2k5/4K3

#3

3 + 1


4331 Schachminiaturen II 1903
3238 777 Chess Miniatures in Three 1908
1829 The Theory of Pawn Promotion 1912
785 Het Belgisch Schaakbord (L'Echiquier Belge) 1954
14986 White-Hume Collection 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qb3+?
      • 1...Kc1
        • 2.c8Q#
        • 2.c8R#
      • 1...Kxb3!
    • 1.c8Q+?
      • 1...Kb1
        • 2.Qg2
          • 2...Ka1
            • 3.Qc1#
        • 2.Qh2
          • 2...Ka1
            • 3.Qc1#
        • 2.Qb3+
          • 2...Ka1
            • 3.Qa6#
            • 3.Qc1#
            • 3.Qcc3#
            • 3.Qa8#
            • 3.Qh8#
      • 1...Kb2!
    • 1.c8B?
      • threat
        • 2.Qa3
          • 2...Kb1
            • 3.Bf5#
      • 1...Kb1
        • 2.Qa3
          • 2...Kc2
            • 3.Bf5#
      • 1...Kc1
        • 2.Qa3+
          • 2...Kb1
            • 3.Bf5#
          • 2...Kc2
            • 3.Bf5#
      • 1...Kb2!
    • 1.c8R+?
      • 1...Kb1
        • 2.Qg2
          • 2...Ka1
            • 3.Rc1#
        • 2.Qh2
          • 2...Ka1
            • 3.Rc1#
        • 2.Qb3+
          • 2...Ka1
            • 3.Rc1#
            • 3.Ra8#
      • 1...Kb2!
  • Keys
    • 1.Qa3!
      • 1...Kb1
        • 2.c8B
          • 2...Kc2
            • 3.Bf5#

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).