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    <p>In chess programs (typically for computing best moves, solve riddles, etc.) internally a 10×10 board is used where the middle 8×8 fields are used by the visible and playable board. (The margin helps keep the code simple.) To simplify memory management, typically a linear memory is used to store this, i. e. 100 fields. The position of a field of the board is then computed using <code>board[(y+1) * 10 + (x+1)]</code> with x, y in the range 0..7. (Init by <code>board = [ 0 ] * 100</code>.)</p> <p>So you might want to use this, just in case your program later should expand to also compute moves or stay compatible with a library doing this.</p> <p>As for graphics, I propose to use this board:</p> <pre class="lang-none prettyprint-override"><code> A B C D E F G H ------- ------- ------- ------- ------- ------- ------- ------- | @___@ | %~b | .@. | \o*o/ | __+__ | .@. | %~b | @___@ | 8| @@@ | `'dX | @@@ | @@@ | `@@@' | @@@ | `'dX | @@@ |8 | d@@@b | d@@b | ./A\. | d@@@b | d@@@b | ./A\. | d@@b | d@@@b | ------- ------- ------- ------- ------- ------- ------- ------- | _ | _ | _ | _ | _ | _ | _ | _ | 7| (@) | (@) | (@) | (@) | (@) | (@) | (@) | (@) |7 | d@b | d@b | d@b | d@b | d@b | d@b | d@b | d@b | ------- ------- ------- ------- ------- ------- ------- ------- | | . . . | | . . . | | . . . | | . . . | 6| | . . . | | . . . | | . . . | | . . . |6 | | . . . | | . . . | | . . . | | . . . | ------- ------- ------- ------- ------- ------- ------- ------- | . . . | | . . . | | . . . | | . . . | | 5| . . . | | . . . | | . . . | | . . . | |5 | . . . | | . . . | | . . . | | . . . | | ------- ------- ------- ------- ------- ------- ------- ------- | | . . . | | . . . | | . . . | | . . . | 4| | . . . | | . . . | | . . . | | . . . |4 | | . . . | | . . . | | . . . | | . . . | ------- ------- ------- ------- ------- ------- ------- ------- | . . . | | . . . | | . . . | | . . . | | 3| . . . | | . . . | | . . . | | . . . | |3 | . . . | | . . . | | . . . | | . . . | | ------- ------- ------- ------- ------- ------- ------- ------- | _ | _ | _ | _ | _ | _ | _ | _ | 2| ( ) | ( ) | ( ) | ( ) | ( ) | ( ) | ( ) | ( ) |2 | /_\ | /_\ | /_\ | /_\ | /_\ | /_\ | /_\ | /_\ | ------- ------- ------- ------- ------- ------- ------- ------- | [___] | %~\ | .O. | \o^o/ | __+__ | .O. | %~\ | [___] | 1| [ ] | `')( | \ / | [ ] | `. .' | \ / | `')( | [ ] |1 | /___\ | &lt;__&gt; | /_\ | /___\ | /___\ | /_\ | &lt;__&gt; | /___\ | ------- ------- ------- ------- ------- ------- ------- ------- A B C D E F G H </code></pre> <p>I made these ASCII graphics back in the 90s for <a href="http://www.tubmud.de" rel="nofollow">Tubmud</a>. Feel free to use them.</p>
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    1. COThanks for the tip the 10x10 board is a great idea thanks for sharing!
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