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Problem Display

PID: 124114 (5RBk/6n1/3n4/b5B1/8/6R1/6bK/8 w - - 0 1)

Mach, Julius Zdenek

Tabor, 1940

5RBk/6n1/3n4/b5B1/8/6R1/6bK/8

#3

5 + 5

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Bh1
  - 2.Rh3+
    - 2...Sh5
      - 3.Bf6#
- 1...Bh3
  - 2.Rxh3+
    - 2...Sh5
      - 3.Bf6#
- 1...Be4
  - 2.Rh3+
    - 2...Bh7
      - 3.Ba2#
      - 3.Bb3#
      - 3.Bc4#
      - 3.Bd5#
      - 3.Be6#
      - 3.Bf7#
      - 3.Bxh7#
      - 3.Rxh7#
    - 2...Sh5
      - 3.Bf6#
- 1...Bd5
  - 2.Rh3+
    - 2...Sh5
      - 3.Bf6#
- 1...Bc6
  - 2.Rh3+
    - 2...Sh5
      - 3.Bf6#
- 1...Bb7
  - 2.Rh3+
    - 2...Sh5
      - 3.Bf6#
- 1...Ba8
  - 2.Rh3+
    - 2...Sh5
      - 3.Bf6#
- 1...Sf5
  - 2.Bf6+
    - 2...Sg7
      - 3.Bxg7#
- 1...Se6
  - 2.Bf6+
    - 2...Sg7
      - 3.Bxg7#
Tries
- 1.Rh3+?
  - 1...Sh5
    - 2.Bf6#
  - 1...Bxh3!
Keys
- 1.Bf4!
  - threat
    - 2.Bf7+
      - 2...Kh7
        3.Bg6#
  - 1...Be4
    - 2.Rh3+
      - 2...Bh7
        3.Ba2#
        3.Bb3#
        3.Bc4#
        3.Bd5#
        3.Be6#
        3.Bf7#
        3.Bxh7#
        3.Rxh7#
      - 2...Sh5
        3.Be5#
  - 1...Sf7
    - 2.Bxf7+
      - 2...Kh7
        3.Bg6#
  - 1...Sgf5
    - 2.Be5+
      - 2...Sg7
        3.Bxg7#
  - 1...Sh5
    - 2.Be5+
      - 2...Sf6
        3.Bxf6#
      - 2...Sg7
        3.Bxg7#
  - 1...Se6
    - 2.Be5+
      - 2...Sg7
        3.Bxg7#
  - 1...Sge8
    - 2.Be5+
      - 2...Sf6
        3.Bxf6#
      - 2...Sg7
        3.Bxg7#

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).