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Isanaki Sudoku 2.6b: History of the Application


About Isanaki Sudoku

Version: Isanaki Sudoku 2.6b
Language: Visual C++
Size: 1772 Kb (Statically linked)

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  Here is an outline of the history of Isanaki Sudoku. At the beginning, it was simply called SudokuSolver and featured only a brute force solver. The application evolved gradually to Isanaki Sudoku, a Sudoku and Wordoku boards generator, a powerful solver, and a user-friendly helper.

Isanaki Release 3.0

Release Date: End 2010 (Planned)
New Features
  • 1. Data Storage in a local SQLIte Database
  • 2. Improved Graphical Interface
  • 3. Implementation of an efficient DLXSolver
  • 4. Implementation of Samourai Layout for 9*9 and 16*16 boards
  • 5. Support for Portuguese Language
  • 6. More according to Request ....
       
Isanaki Release 2.6b

Release Date: 19 Sept 2009
  • 1. Correction of a limitation in Multi-Boards Printing of Wrodoku Boards
  • 2. Correction of an unnoticed bug (Shame on me !!!) on Quest addition using the mouse
       
Isanaki Release 2.6a

Release Date: 6 Sept 2009
  • 1. Correction of a Bug (with very low occurence rate) in Remote Pairs and XY-Chains
       
Isanaki Release 2.6

Release Date: 1 September 2009
Features
  • 1. Print of Multi-Boards Pages: 2, 4 or 6 boards per page with solutions at the end of the printouts (request from Ric and Dr Pires)
  • 2. Possibily to use command-line parameters to automate boards generation (request from and with the help of RobinU)
    To get a quick view of this feature, call Isanaki Sudoku with the /HELP parameter.
  • 3. Improved Board generation speed (for 9*9, speed increase from 10% to 200% and for 16*16 boards, more than 200 %)
  • 4. Improved Solving Logic: Addition of a new Technique called RemotePairs
  • 5. Improved Solving Logic: Addition of a new Technique called Xy-Chains
  • 6. Improved Handling of Wordoku Boards (Thanks to Ric and RobinU for Debugging Help)
  • 7. Correction of a technique weakness in Naked Triple Technique (detected by Tarek)
  • 8. Additional Parameter for Special Boards Generation with RemotePairs and XY-Chains
  • 9. Smart Display of Candidates in Paper Printouts (Candidates are located in the half top of the cells, instead of being in the center)
  • 10. Addition of Shortcuts for Candidate Hightlight : mouse click on Candidate buttons while pression the Alt Key (request from Jim Wilson)
  • 11. Improved Readability in the Dialog Box 'Jump to Solve Tech Occurence' (request from Jim Wilson)
  • 12. Automatic Update of the Candidate Hightlight Menu according to View Mode (Sudoku or Wordoku)
  • 13. Smarter Update Check (check every month instead of every start of Isanaki Sudoku ...)
  • 14. Smashing of several small user-interface bugs
       
Download Isanaki Sudoku 2.6
About Isanaki Sudoku 2.6
Isanaki Release 2.5

Release Date: 22 May 2009
Features
  • 1. Support for Dutch Language (Thanks to RobinU for translation)
  • 2. Customizable Techniques Hierarchy
  • 3. Improved Generation of 16*16 boards (any difficulty level available)
  • 4. Rewriting and Improved Support for Wordoku Boards (Thanks to Ric for Debugging Help)
  • 5. Improved Board Display: Fading Colours Cells
  • 6. Multiple Cells Selection (Thanks to Campamax for Debugging Help)
  • 7. Enhanced Blocks Line Separator in Board (Screen and Printouts)
  • 8. Improved Board Printing
  • 9. Improved User-Interface: Bitmap Buttons, Custom TitleBar, XP-Style menus with icons, ...
       
Isanaki Release 2.4b

Release Date: 5 February 2009
  • 1. Correction of a Bug in File Export (reported by campamax and Ric)
  • 2. Implementation of Keyboard Accelerators (reported by campamax)
    • CTRL+N: New Board
    • CTRL+O: Open a Board
    • CTRL+S: Save Current Board
    • CTRL+I: Import Board from File
    • CTRL+I: Export Board from File
    • CTRL+P: Print Board
    • CTRL+D: Default Board Generation (using the last type of board generated by Isanaki Sudoku)
    • CTRL+G: Special Board Generation
    • CTRL+H: Get Next Hint
    • CTRL+Z: Undo
    • CTRL+Y: Redo
    • CTRL+J: Jump to Solving Technique
    • CTRL+1: Switch to 16*16 Boards
    • CTRL+9: Switch to 9*9 Boards
    • CTRL+U: Check for Isanaki Sudoku Update
    • CTRL+A: About Isanaki Sudoku
  • 3. Copy of Current Board by KeyBoard Accelerator CTRL+C
  • 4. Correct Focus Display in Board Control (highlight of current cell)
  • 5. Internal re-writing of Board Data Management
Application Size:1344 Kb
Isanaki Release 2.4a

Release Date: 18 January 2009
Bugs Correction Application Size:1336 Kb
Isanaki Release 2.4

Release Date: 5 January 2009
Features
  • 1. Support for Multi-Language: English, French and Spanish
  • 2. Board Export to Clipboard
  • 3. XP Style Menu (with icons)
  • 4. Automatic Update Check
  • 5. General User-Interface Improvement
  • 6. Renaming of Technique: Pointing Pair Reduction now Locked Candidate Type 1
  • 7. Renaming of Technique: Box Line Reduction now Locked Candidate Type 2
Application Size:1336 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Export to Clipboard
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 2.4
Screen Overview
Isanaki Release 2.3

Release Date: 5 October 2008
Features
  • 1. Board Page Setup (for print)
  • 2. Board Print and Print Preview
  • 3. Improved Batch Processing
  • 4. Board Centering
Application Size:1168 Kb
Data Handling:Unchanged
     Typical Layout

Isanaki 2.3
Screen Overview
Isanaki Release 2.2

Release Date: 19 Septembre 2008
Features
  • 1. Improved User Interface
  • 2. Selection and Removal of Candidates by Right-Clicking Cells
  • 3. Simplied Board Generation (default menu)
  • 4. Removal of a Bug on Mouse Zoomed Position
Application Size:1072 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 2.2
Screen Overview
Isanaki Release 2.1a

Release Date: 17 Octobre 2007
Features
  • 1. Minor Bugs removal
Application Size:696 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

   
Isanaki Release 2.1

Release Date: 10 Octobre 2007
Features
  • 1. Complete Implementation of Wordoku Support
  • 2. Update of Options Dialog Box for Wordoku Support
  • 3. Implementation of Dialog Bow for Wordoku Letters Assignment
Application Size:696 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 2.1
Screen Overview
Isanaki Release 2.0a

Release Date: 19 september 2007
Features
  • 1. Basic Implementation of Wordoku Support
Application Size:652 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 2.0a
Screen Overview
Isanaki Release 2.0

Release Date: 1 september 2007
Features
  • 1. Complete Re-writing of the User-Interface Code
  • 2. Improved Solver
    • Y Wing
    • Forced Chains
  • 3. Special Board Generation
  • 4. 3-D Board Display
Application Size:640 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 2.0
Screen Overview


Isanaki 2.0
Screen Overview
Isanaki Release 1.7a

Release Date: 25 January 2007
Features
  • 1. Complete Re-design of the Options Dialog Box
Application Size:528 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 1.7a
Screen Overview
Isanaki Release 1.7

Release Date: 21 January 2007
Features
  • 1. Improved Solver
    • Single Colours Type I
    • Single Colours Type II
  • 2. Removal of a Bug in Pointing Pair
Application Size:528 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 1.7
Screen Overview
Isanaki Release 1.6a

Release Date: 3 January 2007
Features
  • 1. Improved Solver
    • Unique Rectangle Type I
    • Unique Rectangle Type II
    • X Wing
Application Size:508 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 1.6a
Screen Overview
Isanaki Release 1.6

Release Date: 28 October 2006
Features
  • 1. Board Generation with 6 levels of difficulty
  • 2. Improved Solver
    • Hidden Triple in a Box
    • Hidden Triple in a Row
    • Hidden Triplein a Col
    • Naked Triple in a Box
    • Naked Triple in a Row
    • Naked Triple in a Col
    • Naked Quad in a Box
    • Naked Quad in a Row
    • Naked Quad in a Col
  • 3. Removal of a Bug in Multi-Solutions Counting
  • 4. Improvement of Board Data Entry
Application Size:508 Kb
Data Handling:
  • Load and Save from Binary File (BoardData.sbd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 1.6
Screen Overview
Thanks to Guenter Stertenbrink for providing the application Suexg16f on which the Board generator is based.
Isanaki Release 1.5a

Release Date: 18 September 2006
Features
  • 1. Improved Board Color Handling
  • 2. Reset Board Feature
Application Size:476 Kb
Data Handling:
  • Load and Save from Binary File (PuzzleData.spd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 1.5a
Screen Overview
Isanaki Release 1.5

Release Date: 16 September 2006
Features
  • 1. Improved Solver
  • 2. Mistakes Handling
  • 3. Internal Code Cleanup
Application Size:472 Kb
Data Handling:
  • Load and Save from Binary File (PuzzleData.spd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 1.5
Screen Overview
Isanaki Release 1.4

Release Date: 13 September 2006
Features
  • 1. Improved Solver
  • 2. Undo and Redo Handling
  • 3. Board Export to Texte File
  • 4. Import from Clipboard
Application Size:468 Kb
Data Handling:
  • Load and Save from Binary File (PuzzleData.spd)
  • Export to Text Files
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)
  • Import from Clipboard

    Typical Layout

Isanaki 1.4
Screen Overview
Isanaki Release 1.3b

Release Date: 10 September 2006
Features
  • 1. First Implementation of Human-Logic Solver
    • Hidden Single in a Box
    • Hidden Single in a Row
    • Hidden Single in a Col
    • Naked Single in a Box
    • Naked Single in a Row
    • Naked Single in a Col
    • Pointing Pair in a Row
    • Pointing Pair in a Col
    • Naked Pair in a Box
    • Naked Pair in a Row
    • Naked Pair in a Col
    • Hidden Pair in a Box
    • Hidden Pair in a Row
    • Hidden Pair in a Col
    • Box Line Reduction in a Col
    • Box Line Reduction in a Row
  • 2. Introduction of the 'Hint' Button and Graphical Help
  • 3. Use of Pencils Marks instead of graphical helpers
  • 4. Board Import from Text Files (support for msk, sdk, sol, spd, ss and txt formats)
Application Size:460 Kb
Data Handling:
  • Load and Save from Binary File (PuzzleData.spd)
  • Import from Sudoku Files (msg, sdk, sol, spd, ss)

    Typical Layout

Isanaki 1.3b
Screen Overview


Isanaki 1.3b
Screen Overview
Isanaki Release 1.3a

Release Date: 19 August 2006
Features
  • 1. Internal Update for Implementation of a Solver
Application Size:436 Kb
Data Handling:
  • Load and Save from Binary File (PuzzleData.spd)

       
Isanaki Release 1.2

Release Date: 12 July 2006 (First release on Web)
Features
  • 1. Implementation of Zoom Option (from 50 to 400%)
  • 2. Efficient Brute Force Solver (10 times speed increase)
Application Size:436 Kb
Data Handling:
  • Load and Save from Binary File (PuzzleData.spd)

    Typical Layout

Isanaki 1.2
Screen Overview
Isanaki Release 1.1

Release Date: 25 June 2006 (unreleased on Web)
Features
  • 1. Dialog Box for Options for Board Colors
  • 2. Addition of a Splash Screen
Application Size:428 Kb
Data Handling:
  • Load and Save from Binary File (PuzzleData.spd)

    Typical Layout

SudokuSolver 1.1
Screen Overview
SodokuSolver Release 1.0

Release Date: 25 May 2006 (unreleased on Web)
Features
  • 1. Sudoku Board Data Entry from Keyboard
  • 2. First Version of the Brute Force Solver
  • 3. Handling of 9*9 and 16*16 Boards
  • 4. Graphical Pencil Marks (displayed as red and green squares)
  • 5. SDI Application
Application Size:56 Kb
Data Handling:
  • Load and Save from Binary File (PuzzleData.spd)

    Typical Layout

SudokuSolver 1.0
Screen Overview
  

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