Landon Curt Noll
c1466f5165
Updated manifest as per recent file changes. Updated winner `.winner.json` to reflect the manifest changes. Added [bin/all_run.sh](bin/all_run.sh) tool to run a command over all winning entries. These tools had slight improvements in the help usage message: * bin/gen-author.sh VERSION="1.3.1 2024-01-16" * bin/gen-inventory.sh VERSION="1.0.1 2024-01-16" * bin/pandoc_wrapper.sh VERSION="1.3.1 2024-01-16" * bin/subst.default.sh VERSION="1.1.1 2024-01-16" * bin/subst.winner-index.sh VERSION="1.1.1 2024-01-16" The `bin/readme2index.sh` tool was improved so that if the `index.html` file exists and the tool forms the exact same content, then the file `index.html` file is NOT touched. * bin/readme2index.sh VERSION="1.1 2024-01-16" We used the following command to generate `index.html` files for all winning entries: ```sh bin/all_run.sh -v 3 bin/readme2index.sh ``` NOTE: We have not (yet) built HTML files above the winner directory level (e.g., no year level nor top level HTML), nor have be built non-index HTML files for winners. NOTE: By default we are running `pandoc(1)` with: ``` --fail-if-warnings=true ``` This means that any problems with markdown to HTML generates an error. This is done to be sure that the HTML conversion is clean. We had to fix the following `README.md` files: * `2000/rince/README.md` The reference [^2] was never used. We made a guess that [^2] applies to the same spot as [^1]. Perhaps there is a better spot where [^2] applies? NOTE: For every reference, there MUST be some place where that reference is used. * 2012/vik/README.md The string "$...$" is assumed to be a TeX encoded string. NOTE: Every "$..$" needs to be backslashed as in "\$..\$". * 2018/burton1/README.md The reference [2] was duplicated. We changed the second [2] to [3]. NOTE: Every reference needs to have a unique number. * 2020/carlini/README.md The string "$...$" is assumed to be a TeX encoded string. NOTE: Every "$..$" needs to be backslashed as in "\$..\$". We also found 2 errors in the `author/author_handle.json` file set: * author/Anonymous_2001.json The `author/Anonymous_2001.json` file was missing. * author/Jari_Arkko.json The winner ID for `1989_jar.1` had a typo.
298 lines
15 KiB
HTML
298 lines
15 KiB
HTML
<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<link rel="stylesheet" href="/temp-test-ioccc/ioccc.css">
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<title>2006/toledo3</title>
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<meta name="description" content="2006 IOCCC winner toledo3">
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<meta name="keywords" content="IOCCC, 2006, IOCCC 2006, IOCCC winner, toledo3">
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<div class="header">
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<img src="/temp-test-ioccc/png/ioccc.png" alt="IOCCC image by Matt Zucker" width=300 height=110>
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<h1>The International Obfuscated C Code Contest</h1>
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<h2>2006/toledo3</h2>
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<div class="topnav">
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<a class="Left" href="../toledo2/index.html">← toledo2</a>
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<a class="Left" href="../index.html">↑ 2006 ↑</a>
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<a class="Left Disabled" href="#">last entry</a>
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<a class="Right" href="#inventory">Inventory</a>
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<a href="#content">Jump to contents</a>
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<hr>
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<div class="sidenav">
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<a href="/temp-test-ioccc/index.html">IOCCC Home</a>
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<a href="/temp-test-ioccc/years.html">Winning Entries</a>
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<a href="/temp-test-ioccc/winners.html">People who have won</a>
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<div class="sidenav">
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<a href="/temp-test-ioccc/news.html">IOCCC News</a>
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<a href="/temp-test-ioccc/faq.html#submit">How to enter the IOCCC</a>
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<a href="/temp-test-ioccc/faq.html">FAQ</a>
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<hr>
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<div class="sidenav">
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<a href="/temp-test-ioccc/bugs.html">Bugs & (mis)features</a>
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<a href="/temp-test-ioccc/faq.html#fix_a_winner">Fixing IOCCC winners</a>
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<a href="/temp-test-ioccc/faq.html#fix_web_site">Fixing the web site</a>
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<a href="/temp-test-ioccc/faq.html#fix_author">Fixing winner info</a>
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<a href="/temp-test-ioccc/thanks-for-help.html">Thanks for the help</a>
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</div>
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<hr>
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<div class="sidenav">
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<a href="/temp-test-ioccc/judges.html">The IOCCC Judges</a>
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<a href="/temp-test-ioccc/contact.html">Contacting the IOCCC</a>
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</div>
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<hr>
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<div class="sidenav">
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<a href="#top">Jump to top</a>
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<a name="content"></a>
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<p><a name="author"><strong>Author:</strong></a> <br><br>Name: <a
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href="/temp-test-ioccc/winners.html#Oscar_Toledo">Oscar Toledo
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G.</a><br> Location: <a
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href="/temp-test-ioccc/location.html#MX">MX</a></p>
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<h2 id="to-build">To build:</h2>
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<div class="sourceCode" id="cb1"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="fu">make</span></span></code></pre></div>
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<p>The author provided two alternate versions, one which adds a status
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bar and another that makes it text only. The author also provided a
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version that they tested with Windows. See <a
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href="#alternate-code">alternate code</a> below.</p>
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<h2 id="to-use">To use:</h2>
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<div class="sourceCode" id="cb2"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> [1 <span class="kw">|</span> <span class="ex">2</span> <span class="kw">|</span> <span class="ex">3</span> <span class="pp">[</span><span class="ss">b</span><span class="pp">]</span>]</span></code></pre></div>
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<h2 id="try">Try:</h2>
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<div class="sourceCode" id="cb3"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> 1</span></code></pre></div>
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<h2 id="alternate-code">Alternate code:</h2>
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<p>The author provided two additional versions, <a
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href="toledo3-sbar.c">toledo3-sbar.c</a> and <a
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href="toledo3-txt.c">toledo3-txt.c</a>. Respectively these create a
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status bar and make the game text only.</p>
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<h3 id="alternate-build">Alternate build:</h3>
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<p>With the exception of the Windows version, these are built by
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default. To build the Windows version, <a
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href="toledo3.alt.c">toledo3.alt.c</a>, you will have to figure out how
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to compile Windows code.</p>
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<h3 id="alternate-use">Alternate use:</h3>
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<p>Use <code>toledo3-sbar</code> and <code>toledo3-txt</code> as you
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would <code>toledo3</code> above.</p>
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<p>As for the Windows version, <code>toledo3.alt</code>, we presume you
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can open it like any other application.</p>
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<h2 id="judges-remarks">Judges’ remarks:</h2>
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<p>It’s pretty obvious from looking at it what this program does, since
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it’s clearly spelled out in the code. The interesting question is
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whether this is easier or harder to understand than the code for Deep
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Blue.</p>
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<h2 id="authors-remarks">Author’s remarks:</h2>
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<p>There are so many text-based chess programs, what is that of
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<code>A1</code>, <code>H5</code>, <code>C4</code>, <code>D5</code>? The
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queen is really pointing to the king?</p>
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<p>So I managed to do a graphical X11 chess program
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(‘<code>WYSIAIE</code>’, or ‘What You See Is An IOCCC Entry’). Pointing
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and clicking to move pieces is the only required action, and of course
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the command-line options:</p>
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<div class="sourceCode" id="cb4"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> <span class="co"># Two-players mode (useful if you don't have a board at hand)</span></span>
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<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> 1 <span class="co"># Human white - Computer black, level 1 (fast)</span></span>
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<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> 2 <span class="co"># Human white - Computer black, level 2 (medium)</span></span>
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<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> 3 <span class="co"># Human white - Computer black, level 3 (slow)</span></span>
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<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> 1 b <span class="co"># Human black - Computer white, level 1 (fast)</span></span>
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<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> 2 b <span class="co"># Human black - Computer white, level 2 (medium)</span></span>
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<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="ex">./toledo3</span> 3 b <span class="co"># Human black - Computer white, level 3 (slow)</span></span></code></pre></div>
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<p>The computer will check that your moves are legal. Full legal chess
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moves are allowed, except minor promotions on human side.</p>
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<p>The game will continue up to its logical conclusion, you make a
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mistake and the computer surpasses you. ;)</p>
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<h3 id="what-about-the-engine">WHAT ABOUT THE ENGINE</h3>
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<p>Uses an <a
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href="https://en.wikipedia.org/wiki/Alpha_Beta">alpha-beta</a> search up
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to a depth of 3+level <a
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href="https://en.wikipedia.org/wiki/Ply_(game_theory)">ply</a>, extended
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with quiescence search, that helps playing strength, something around
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1500 ELO (level 1) to 1700 ELO (level 3).</p>
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<p>It searches the board and generates moves for each piece located. A
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lot of comparisons are used for <a
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href="https://en.wikipedia.org/wiki/En_passant">en passant</a>, castling
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and promotion. Would be faster with optimizations, but that
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optimizations use valuable IOCCC characters.</p>
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<p>It plays a different game every time, using the C library random
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number generator.</p>
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<p>Because it is resource-hungry, I strongly recommend to compile it
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using maximum optimization. With GCC you can use:</p>
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<div class="sourceCode" id="cb5"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="fu">gcc</span> <span class="at">-O3</span> <span class="at">-fexpensive-optimizations</span> prog.c <span class="at">-o</span> prog <span class="at">-lX11</span></span></code></pre></div>
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<h3 id="known-features">KNOWN “FEATURES”</h3>
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<ol type="1">
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<li><p>Because this is my second X11 program (the first was point n
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click happy face), I added sentences everywhere until it worked.
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:)</p></li>
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<li><p>It is portable to Windows (using the supplied layer.c file)
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Change <code>#include <X11/Xlib.h> to #include "layer.c"</code>
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and use a Windows compiler (only tested with Dev C/C++ 4.9.9.2) The play
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level is fixed, though you can change it easily. Of course, this is an
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example of an obfuscated Windows program (there exists another way of
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write them?).</p></li>
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<li><p>It will give warnings on compilation, so you can be sure that
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your compiler works.</p></li>
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<li><p>It will not update the window while it is “thinking”</p></li>
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<li><p>The space character has many useful applications, especially when
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it comes to the character limit (8).</p></li>
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<li><p>I still don’t understand what to do after semicolons. :P</p></li>
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</ol>
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<h3 id="challenges">CHALLENGES</h3>
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<p>It is possible to convert this code into JavaScript with a graphical
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interface. Can you do it?</p>
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<p>Can the evaluation function be enhanced to make the program play
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stronger?</p>
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<h3 id="upgrades">UPGRADES</h3>
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<p>Using <a href="toledo3-sbar.c">toledo3-sbar.c</a> (which is too large
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for this IOCCC size rules) creates a status display about gameplay on
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the window title bar.</p>
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<p>Using <a href="toledo3-txt.c">toledo3-txt.c</a> turns this into being
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purely text based.</p>
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<h2 id="copyright-and-cc-by-sa-4.0-license">Copyright and CC BY-SA 4.0
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License:</h2>
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<p>This file is Copyright (c) 2023 by Landon Curt Noll. All Rights
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Reserved. You are free to share and adapt this file under the terms of
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this license:</p>
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<pre><code>Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)</code></pre>
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<p>For more information, see:
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https://creativecommons.org/licenses/by-sa/4.0/</p>
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<h1 id="inventory-for-2006toledo3"><a name="inventory"></a>Inventory for
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2006/toledo3</h1>
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<h2 id="primary-files">Primary files</h2>
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<ul>
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<li><a href="index.html">index.html</a> - winner home page</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/toledo3.c">toledo3.c</a>
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- winning source</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/Makefile">Makefile</a>
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- winner Makefile</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/toledo3.alt.c">toledo3.alt.c</a>
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- alternative source</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/toledo3.orig.c">toledo3.orig.c</a>
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- original source</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/toledo3-sbar.c">toledo3-sbar.c</a>
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- source to create a status bar</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/toledo3-txt.c">toledo3-txt.c</a>
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- source to make the game text</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/layer.c">layer.c</a>
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- windows portability source</li>
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<li><a href="2006_toledo3.tar.bz2">2006_toledo3.tar.bz2</a> - download
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winning source</li>
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</ul>
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<h2 id="secondary-files">Secondary files</h2>
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<ul>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/.gitignore">.gitignore</a>
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- list of files that should not be committed under git</li>
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<li><a href=".path">.path</a> - directory path from top directory</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/.winner.json">.winner.json</a>
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- description of winner in JSON</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/README.md">README.md</a>
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- markdown source for index.html</li>
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</ul>
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<div class="footer">
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<hr>
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<h2>Coda</h2>
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<p><a href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2006%2Ftoledo3%2Findex.html">Nu HTML check this web page</a></p>
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<p><a href="#top">Jump to top</a> <a href="#content">Jump to Content</a> <a href="#inventory">Jump to Inventory</a></p>
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