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Problem Display

PID: 239327 (8/3Q1K2/4N3/2p1k3/6p1/3P4/5b1P/8 w - - 0 1)

Pilnacek, Jan V

Humoristicke listy, 1875

8/3Q1K2/4N3/2p1k3/6p1/3P4/5b1P/8

#3

5 + 4

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...Kf5
  - 2.Qd5#
- 1...Be1
  - 2.Qc7+
    - 2...Kd5
      - 3.Qxc5#
    - 2...Kf5
      - 3.Qf4#
      - 3.Qxc5#
- 1...Bd4
  - 2.Qc7+
    - 2...Kd5
      - 3.Sf4#
    - 2...Kf5
      - 3.Qf4#
- 1...Bh4
  - 2.Qc7+
    - 2...Kd5
      - 3.Qxc5#
    - 2...Kf5
      - 3.Qf4#
      - 3.Qxc5#
Tries
- 1.Qd6+?
  - 1...Kf5
    - 2.Qf4#
    - 2.Qd5#
  - 1...Kxd6!
- 1.Qc7+?
  - 1...Kf5
    - 2.Qf4#
  - 1...Kd5!
Keys
- 1.Qc6!
  - 1...Bg1
    - 2.Ke7
      - threat
        3.Qe4#
      - 2...Kf5
        3.Qe4#
  - 1...Be3
    - 2.Sf4
      - threat
        3.Qf6#
      - 2...Kd4
        3.Qf6#
      - 2...Kxf4
        3.Qf6#
      - 2...Kf5
        3.Qf6#
      - 2...Bxf4
        3.Qxc5#
  - 1...Bd4
    - 2.Ke7
      - threat
        3.Qe4#
      - 2...Kf5
        3.Qe4#
    - 2.Qc7+
      - 2...Kd5
        3.Sf4#
      - 2...Kf5
        3.Qf4#
  - 1...g3
    - 2.Ke7
      - threat
        3.Qe4#
      - 2...Kf5
        3.Qe4#
  - 1...c4
    - 2.dxc4
      - threat
        3.Qd5#
      - 2...Kf5
        3.Qd5#

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).