Problem Display
PID: 188062 (8/1p6/1P4Q1/1k6/5R1p/2B4K/2P1P3/2n5 w - - 0 1)

Kalniczky, Geza

Deutsche Schachzeitung, 1910

8/1p6/1P4Q1/1k6/5R1p/2B4K/2P1P3/2n5

#3

7 + 4


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Rb4+?
      • 1...Ka5
        • 2.Qf5+
          • 2...Ka6
            • 3.Qb5#
        • 2.Qh5+
          • 2...Ka6
            • 3.Qb5#
        • 2.Qe8
          • threat
            • 3.Qa4#
            • 3.Qb5#
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa4#
            • 3.Qb5#
            • 3.Qa8#
        • 2.Qg5+
          • 2...Ka6
            • 3.Qb5#
        • 2.Qg8
          • threat
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
      • 1...Ka6
        • 2.Qf5
          • threat
            • 3.Qb5#
        • 2.Qh5
          • threat
            • 3.Qb5#
        • 2.Qe8
          • threat
            • 3.Qa4#
            • 3.Qb5#
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa4#
            • 3.Qb5#
            • 3.Qa8#
        • 2.Qg5
          • threat
            • 3.Qb5#
        • 2.Qg8
          • threat
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa8#
      • 1...Kc5!
    • 1.Rf5+?
      • 1...Ka4
        • 2.Ra5#
      • 1...Ka6
        • 2.Ra5#
      • 1...Kc4!
    • 1.Qf5+?
      • 1...Kc6
        • 2.Rc4+
          • 2...Kxb6
            • 3.Qa5#
          • 2...Kd6
            • 3.Bb4#
      • 1...Kxb6!
  • Keys
    • 1.Ra4!
      • 1...Kxa4
        • 2.Qe8+
          • 2...Ka3
            • 3.Qa8#
      • 1...Kc5
        • 2.Bd4+
          • 2...Kb5
            • 3.Qe8#
          • 2...Kd5
            • 3.e4#
      • 1...Sxe2
        • 2.Ra5+
          • 2...Kc4
            • 3.Qd3#
      • 1...Sa2
        • 2.Ra5+
          • 2...Kc4
            • 3.Qd3#
      • 1...Sb3
        • 2.cxb3
          • 2...Kc5
            • 3.Ra5#
      • 1...Sd3
        • 2.Ra5+
          • 2...Kc4
            • 3.Qxd3#

There are these versions: 223666

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).