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Problem Display

PID: 127662 (1n6/8/7B/4k2p/8/Q6p/2B5/5K2 w - - 0 1)

Dunka, Gyorgy Jusztin

Svetozor, 1883

1n6/8/7B/4k2p/8/Q6p/2B5/5K2

#3

4 + 4

6490	yacpdb	2009

SOLUTION

SOUND
Tries
- 1.Bf8?
  - threat
    - 2.Qd6#
  - 1...Kd5
    - 2.Qc5+
      - 2...Ke6
        3.Qf5#
    - 2.Qd6+
      - 2...Kc4
        3.Qc5#
        3.Qd3#
  - 1...Ke6
    - 2.Qe7+
      - 2...Kd5
        3.Qe4#
  - 1...Kf4!
Keys
- 1.Bb3!
  - threat
    - 2.Qc5+
      - 2...Ke4
        3.Qd5#
      - 2...Kf6
        3.Qg5#
    - 2.Qe7+
      - 2...Kd4
        3.Qe3#
      - 2...Kf5
        3.Qe6#
  - 1...Kd4
    - 2.Qb4+
      - 2...Kd3
        3.Qc4#
      - 2...Ke5
        3.Qf4#
  - 1...Ke4
    - 2.Qd6
      - threat
        3.Qd5#
      - 2...Kf3
        3.Qf4#
      - 2...Kf5
        3.Qe6#
  - 1...Kf5
    - 2.Qd6
      - threat
        3.Qe6#
      - 2...Ke4
        3.Qd5#
      - 2...Kg4
        3.Qf4#
  - 1...Kf6
    - 2.Qd6+
      - 2...Kf5
        3.Qe6#
    - 2.Qf8+
      - 2...Ke5
        3.Qf4#
      - 2...Kg6
        3.Bc2#
  - 1...Sa6
    - 2.Qe7+
      - 2...Kd4
        3.Qe3#
      - 2...Kf5
        3.Qe6#
  - 1...Sc6
    - 2.Qc5+
      - 2...Ke4
        3.Qd5#
      - 2...Kf6
        3.Qg5#
  - 1...Sd7
    - 2.Qe7+
      - 2...Kd4
        3.Qe3#
      - 2...Kf5
        3.Qe6#

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).