https://www.chessprogramming.org/index.php?title=Exacto&feed=atom&action=history
Exacto - Revision history
2024-03-28T11:29:11Z
Revision history for this page on the wiki
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https://www.chessprogramming.org/index.php?title=Exacto&diff=18580&oldid=prev
GerdIsenberg at 19:57, 30 March 2020
2020-03-30T19:57:52Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 19:57, 30 March 2020</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Exact_sequence Exact sequence from Wikipedia]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Exact_sequence Exact sequence from Wikipedia]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Exact_science Exact science from Wikipedia]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Exact_science Exact science from Wikipedia]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Henry_Threadgill Threadgill<del class="diffchange diffchange-inline">'s </del>Very Very Circus] - Exacto, [https://en.wikipedia.org/wiki/Spirit_of_Nuff...Nuff Spirit Of Nuff...Nuff] (1990), [https://en.wikipedia.org/wiki/YouTube YouTube] Video  </div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Henry_Threadgill <ins class="diffchange diffchange-inline">Henry </ins>Threadgill Very Very Circus] - Exacto, [https://en.wikipedia.org/wiki/Spirit_of_Nuff...Nuff Spirit Of Nuff...Nuff] (1990), [https://en.wikipedia.org/wiki/YouTube YouTube] Video  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>: {{#evu:https://www.youtube.com/watch?v=1bMae-ByCB0|alignment=left|valignment=top}}</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>: {{#evu:https://www.youtube.com/watch?v=1bMae-ByCB0|alignment=left|valignment=top}}</div></td></tr>
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GerdIsenberg
https://www.chessprogramming.org/index.php?title=Exacto&diff=18576&oldid=prev
GerdIsenberg: Created page with "'''Home * Engines * Exacto''' FILE:Long short exact sequences.png|border|right|thumb| Exact sequence <ref>Shows how any [https://en.wikipedia.org/wiki/Exa..."
2020-03-30T19:01:59Z
<p>Created page with "'''<a href="/Main_Page" title="Main Page">Home</a> * <a href="/Engines" title="Engines">Engines</a> * Exacto''' FILE:Long short exact sequences.png|border|right|thumb| Exact sequence <ref>Shows how any [https://en.wikipedia.org/wiki/Exa..."</p>
<p><b>New page</b></p><div>'''[[Main Page|Home]] * [[Engines]] * Exacto'''<br />
<br />
[[FILE:Long short exact sequences.png|border|right|thumb| Exact sequence <ref>Shows how any [https://en.wikipedia.org/wiki/Exact_sequence exact sequence] is weaved together from several overlapping short exact sequences, [https://en.wikipedia.org/wiki/User:AxelBoldt Axel Boldt], February 2004, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]] <br />
<br />
'''Exacto''',<br/><br />
a [[Chess Engine Communication Protocol]] compliant [[:Category:Open Source|open source chess engine]] by [[Daniel Sparks]], written in [[Cpp|C++]], the source code covered by a [https://en.wikipedia.org/wiki/BSD_licenses BSD license]. <br />
Starting with version '''0.e''', released in March 2014, Exacto uses [[Bitboards|bitboards]] as internal board representation, while former versions, Daniel has worked on sporadically throughout the years, were [[0x88]]. <br />
<br />
=Features= <br />
<ref>Features based on source, [https://github.com/d-sparks/exacto GitHub - d-sparks/exacto: Exacto Chess Engine]</ref><br />
==[[Board Representation]]==<br />
* [[Bitboards]]<br />
* [[Magic Bitboards#Plain|Plain Magic Bitboards]]<br />
==Search== <br />
* [[Iterative Deepening]]<br />
* [[Principal Variation Search|PVS]]/[[Alpha-Beta]]<br />
* [[Transposition Table]]<br />
* [[Selectivity]]<br />
** [[Reductions]] <br />
*** [[Late Move Reductions]]<br />
*** [[Razoring]] (Pre-pre-frontier Nodes)<br />
** [[Pruning]]<br />
*** [[Null Move Pruning#AdaptiveNullMovePruning|Adaptive Null Move Pruning]]<br />
*** [[Pruning]] via [[Transposition Table]]<br />
*** [[Futility Pruning]] ([[Frontier Nodes|Frontier]] and [[Pre Frontier Node|Pre-frontier Nodes]])<br />
*** [[Quiescence Search]]<br />
*** [[Delta Pruning]] (in Quiescence)<br />
** [[Extensions]]<br />
*** [[Check Extensions]]<br />
*** [[Recapture Extensions]]<br />
*** [[Passed Pawn Extensions]]<br />
* [[Move Ordering]]<br />
** [[Hash Move]]<br />
** [[Internal Iterative Deepening]]<br />
** [[Static Exchange Evaluation]]<br />
** [[MVV-LVA|MVV/LVA]]<br />
==Evaluation== <br />
* [[Material]]<br />
* [[Tapered Eval|Tapered Evaluation]] <br />
* [[Lazy Evaluation]]<br />
* [[Pawn Structure]] with [[Pawn Hash Table]]<br />
** [[Pawn Chain|Pawn Chains]]<br />
** [[Isolated Pawn|Isolated Pawns]]<br />
** [[Backward Pawn|Backward Pawns]]<br />
** [[Doubled Pawn|Doubled Pawns]]<br />
** [[Passed Pawn|Passed Pawns]]<br />
* [[Evaluation of Pieces]]<br />
** [[Bad Bishop]]<br />
** [[Bishop Pair]]<br />
** [[Rook on Open File]]<br />
** [[Rook on Seventh|Rook on Seventh Rank]]<br />
** [[Development]] and [[Castling]]<br />
** [[Loose Piece|Undefended minor piece]] penalty<br />
* [[King Safety]]<br />
** [[King Safety#SquareControl|Enemy attacks on squares near king]]<br />
** [[King Safety#PawnShield|Pawn fortress]] / Castling Destination<br />
** [[Open File|Open Files]] and [[Half-open File|Half-open Files]] around the [[King]]<br />
** [[King Safety#KingTropism|King Piece Tropism]]<br />
<br />
=Forum Posts= <br />
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=51514 Can you try running my engine?] by [[Daniel Sparks]], [[CCC]], March 06, 2014<br />
* [http://www.talkchess.com/forum/viewtopic.php?t=51546 Engine release Exacto 0.e] by [[Daniel Sparks]], [[CCC]], March 10, 2014<br />
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=51767&start=2 Re: Exacto - something is still wrong] by [[Daniel Sparks]], [[CCC]], March 30, 2014<br />
<br />
=External Links= <br />
==Chess Engine== <br />
* [https://github.com/d-sparks/exacto GitHub - d-sparks/exacto: Exacto Chess Engine]<br />
* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?match_length=30&print=Details&each_game=1&eng=Exacto%200.e%2064-bit#Exacto_0_e_64-bit Exacto 0.e 64-bit] in [[CCRL|CCRL 40/15]]<br />
==Misc== <br />
* [http://en.wiktionary.org/wiki/exacto exacto - Wiktionary]<br />
* [http://en.wiktionary.org/wiki/exact exact - Wiktionary]<br />
* [https://en.wikipedia.org/wiki/Exact_sequence Exact sequence from Wikipedia]<br />
* [https://en.wikipedia.org/wiki/Exact_science Exact science from Wikipedia]<br />
* [https://en.wikipedia.org/wiki/Henry_Threadgill Threadgill's Very Very Circus] - Exacto, [https://en.wikipedia.org/wiki/Spirit_of_Nuff...Nuff Spirit Of Nuff...Nuff] (1990), [https://en.wikipedia.org/wiki/YouTube YouTube] Video <br />
: {{#evu:https://www.youtube.com/watch?v=1bMae-ByCB0|alignment=left|valignment=top}}<br />
<br />
=References= <br />
<references /><br />
'''[[Engines|Up one level]]'''<br />
[[Category:Open Source]]<br />
[[Category:WinBoard]]<br />
[[Category:XBoard]]<br />
[[Category:X86]]<br />
[[Category:X64]]<br />
[[Category:PC]]<br />
[[Category:Linux]]<br />
[[Category:Mac]]<br />
[[Category:Windows]]<br />
[[Category:Music]]</div>
GerdIsenberg