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Created page with " '''Home * User Interface * Sensory Board * DGT Board''' '''DGT Board''', a sensory board developed and market by Digital Game Technology. The b..."
'''[[Main Page|Home]] * [[User Interface]] * [[Sensory Board]] * DGT Board'''
'''DGT Board''',
a sensory board developed and market by [[DGT|Digital Game Technology]]. The board in conjunction with a [https://en.wikipedia.org/wiki/Game_clock#Early_development_of_digital_game_clocks digital chess clock] is connected to a host computer and its [[GUI|chess gui]] or control program via [https://en.wikipedia.org/wiki/USB USB], [https://en.wikipedia.org/wiki/Serial_communication serial interface], or [https://en.wikipedia.org/wiki/Bluetooth Bluetooth], and acts as a [https://en.wikipedia.org/wiki/Real_time_%28media%29 real-time] [[Entering Moves|move input device]] during [[Chess Game|game play]], to monitor or [https://en.wikipedia.org/wiki/Live_broadcast broadcast] the game, or to give [[Engines|chess engines]] a whiff of [[Dedicated Chess Computers|dedicated chess computers]].
<span id="PieceRecognition"></span>
=Piece Recognition=
==Sensor Technology==
The patent-registered DGT sensor technology <ref>[http://www.google.com/patents/US6168158 Patent US6168158 - Device for detecting playing pieces on a board - Google Patents]</ref> [[Piece Recognition|recognizes pieces]] containing piece-type and piece-color specific passive [https://en.wikipedia.org/wiki/LC_circuit LC circuits] with a [https://en.wikipedia.org/wiki/Resonance resonance frequency] of 90 to 350 KHz, the [https://en.wikipedia.org/wiki/Coil coil] on [https://en.wikipedia.org/wiki/Ferrite_core ferrite core]. [[Squares]] and their respective pieces (if any) are scanned by 2 x 8 [https://en.wikipedia.org/wiki/Conductive_ink silver-ink] printed trace loops on a [https://en.wikipedia.org/wiki/Polyester polyester] film placed under the board, [[Files|file]] and [[Ranks|rank]] sequentially selected by [https://en.wikipedia.org/wiki/Analogue_switch analogue switch] [https://en.wikipedia.org/wiki/Multiplexer multiplexers], [https://en.wikipedia.org/wiki/Feedback feeding back] the output signal of an [https://en.wikipedia.org/wiki/Amplifier amplifier] via the selected [https://en.wikipedia.org/wiki/Inductive_coupling inductive coupled] LC circuit to its input, forcing [https://en.wikipedia.org/wiki/Oscillation oscillation] in piece specific [https://en.wikipedia.org/wiki/Resonance resonance]. Measuring the signal frequency or its [https://en.wikipedia.org/wiki/Period period] via a digital [https://en.wikipedia.org/wiki/Input_port input port] by the controller [https://en.wikipedia.org/wiki/Firmware firmware] to convert it into appropriate piece codes takes about 3 ms per square <ref>[http://groups.google.com/group/rec.games.chess.misc/msg/8734d1b2fffd6af0 How electronic chessboards works] by [http://digitalgametechnology.com/site/History/about-dgt.html Ben Bulsink DGT Project], [[Computer Chess Forums|rec.games.chess.misc]], February 19, 2004</ref> .
==Inside the Board==
[[FILE:dgt05.jpg|none|border|text-bottom|560px|link=http://en.chessbase.com/post/dgt-presents-new-clocks-technology-and-vladimir-kramnik]]
Inside the DGT Board <ref>[http://www.chessbase.com/newsdetail.asp?newsid=4372 DGT presents: new clocks, technology – and Vladimir Kramnik], [[ChessBase|ChessBase News]], January 10, 2008</ref>
==Scanning the Board==
<pre>
void scanBoard(char *board) {
for (int rank = 0; rank < 8; rank++) {
switchRankMultiplexer( rank );
for (int file = 0; file < 8; file++) {
connectFileMultiplexer( file );
int f = measureFrequency(); /* e.g. in a 0 .. 35 range ~ 3 ms */
*board++ = pieceTable[f]; /* includes empty (0) */
}
}
}
</pre>
=Applications=
==Chess GUIs==
The DGT Board can be used with most [[GUI|GUI's]] <ref>[http://digitalgametechnology.com/site/index.php/dgtsupport/frequently-asked-questions/287-boards-with-3rd-party-software/131-which-programs-support-the-dgt-e-board Which programs support the DGT e-Board?]</ref> , such as [[Fritz#FritzGUI|Fritz GUI]] by [[ChessBase]], [[Chess Assistant]] and [[Aquarium]] by [[ChessOK]], [[Shredder|Shredder GUI]], [[Arena]], [[PocketGrandmaster]], [[WinBoard]] <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=52438 DGT Winboard interface] by [[Jan Krabbenbos]], [[Computer Chess Forums|Winboard Forum]], June 19, 2012</ref> and [[XBoard]]. The open source '''dgtdrv''' library by [[Pierre Boulenguez]] under [[Free Software Foundation#GPL|GPL]] Version 2 or later, can be used to adapt almost every GUI to interact with the DGT board <ref>[http://dgtdrv.sourceforge.net/ dgtdrv: An input engine for the DGT Digital Chess Board]</ref> .
==Gavon==
[[Josu Bergara Ede|Josu Bergara Ede's]] dedicated [[User Interface]] for various [[Open Source Engines|open source chess engines]], dubbed [[Gavon]], based on the [[Raspberry Pi]] is able to interface with the DGT USB or Bluetooth Board.
{{#evu:https://www.youtube.com/watch?v=QR0b9AU1H3c|alignment=left|valignment=top}}
Gavon Bluetooth DGT Board Connection, [https://en.wikipedia.org/wiki/YouTube YouTube] Video
==PicoChess==
[[Jean-Francois Romang|Jean-François Romang's]] [[PicoChess]] is a [[Dedicated Chess Computers|dedicated chess computer]] based on [[Stockfish]] on [[Raspberry Pi]] and the DGT Board <ref>[http://www.picochess.org/ PicoChess] by [[Jean-Francois Romang]]</ref> . The display of the digital chess clock acts as output device of a [[CLI|command line interface]].
{{#evu:https://www.youtube.com/watch?v=gP_LpxUORVg|alignment=left|valignment=top}}
[[PicoChess]] on a [[DGT Board|DGT eboard]] by [https://en.wikipedia.org/wiki/Jonas_%C5%BDnidar%C5%A1i%C4%8D Jonas Žnidaršič], [http://bestchessmenever.com/ BCE], [https://en.wikipedia.org/wiki/YouTube YouTube] Video <ref>[http://www.talkchess.com/forum/viewtopic.php?t=49199 Video: DGT board and modern pieces] by [[Steven Edwards]], [[CCC]], September 01, 2013</ref>
==Revelation II==
DGT technology <ref>[http://www.chessbase.com/newsdetail.asp?newsid=4372 DGT presents: new clocks, technology – and Vladimir Kramnik], [[ChessBase|ChessBase News]], January 10, 2008</ref> is involved in the [[Revelation II]] [[Dedicated Chess Computers|dedicated chess computer]], developed by [[Ruud Martin|Ruud Martin's]] company [[Phoenix Chess Systems]] in cooperation with DGT <ref>[http://www.revelationii.com/index.php?option=com_content&view=article&id=130:revelation-ii&catid=92&Itemid=584 Revelation II] from [[DGT]]</ref> <ref>[http://www.chesscomputer.eu/index.php?option=com_content&view=article&id=166%3Adgt-starts-delivery-in-december&catid=1%3Alatest&Itemid=68&lang=en DGT starts delivery in december], [[Phoenix Chess Systems]], December 01, 2013</ref>.
{{#evu:https://www.youtube.com/watch?v=UR07vW1e-vE|alignment=left|valignment=top}}
Revelation II Test by [https://en.wikipedia.org/wiki/Jonas_%C5%BDnidar%C5%A1i%C4%8D Jonas Žnidaršič], [http://bestchessmenever.com/ BCE], [https://en.wikipedia.org/wiki/YouTube YouTube] Video
==DGT LiveChess Software==
DGT LiveChess Software allows [https://en.wikipedia.org/wiki/Live_broadcast live broadcast] of [[Chess Game|chess games]] via the [https://en.wikipedia.org/wiki/Internet internet] <ref>[http://www.csvn.nl/live-tournament-cloud CSVN Live]</ref> , as used for instance in recent [[ICGA]] and [[CSVN]] [[Tournaments|computer chess tournaments]] served by DGT employee, CSVN chairman and tournament director [[Jan Krabbenbos]]. Participants are advised to don't use the board for analyzing purposes, as it was quite usual in over the board computer chess with ordinary chessboards.
[[FILE:PT45_DSC_0016.jpg|none|border|text-bottom|560px|link=http://www.computerschaak.nl/nieuws-mainmenu-28/51-toernooien/616-photo-s-pt45-gt27-day-1]]
DGT Board in action for live broadcast at [[PT 45]], round 4, [[Kallisto]] - [[The King]]<br/>[[Bart Weststrate]] and [[Johan de Koning]], [[Marcel van Kervinck]] and [[Stefan Meyer-Kahlen]] <ref>[http://www.computerschaak.nl/nieuws-mainmenu-28/51-toernooien/616-photo-s-pt45-gt27-day-1 Photo's PT45/GT27 day 1]</ref>
==DGT Pi==
[[DGT Pi]] is a [[Dedicated Chess Computers|dedicated chess computer]] expansion hardware for the DGT Board integrated into a DGT3000 digital chess clock, released in October 2016 <ref>[http://www.digitalgametechnology.com/index.php/products/revelation-ii/533-dgt-pi-chess-computer-for-dgt-e-boards DGT Pi - Chess Computer for DGT e-Boards - Digital Game Technology]</ref>. DGT Pi consists of a [[Raspberry Pi#3|Raspberry Pi 3]] with built-in [https://en.wikipedia.org/wiki/Bluetooth Bluetooth] and [https://en.wikipedia.org/wiki/Wi-Fi Wi-Fi] functionality, and multiple chess engines included.
=See also=
* [[DGT Pi]]
* [[Square Off]]
* [[TASC SmartBoard]]
=Forum Posts=
==1998 ...==
* [https://www.stmintz.com/ccc/index.php?id=30845 To Bob H.: A Puzzlement about the DGT Board?] by [[Steven Schwartz]], [[CCC]], October 28, 1998
* [https://www.stmintz.com/ccc/index.php?id=33976 DGT sensory board update] by [[Robert Hyatt]], [[CCC]], November 25, 1998
* [https://www.stmintz.com/ccc/index.php?id=40092 DGT vs Novag Universal] by Michael Ginat, [[CCC]], January 19, 1999 » [[Novag Universal Electronic Chess Board]]
==2000 ...==
* [https://www.stmintz.com/ccc/index.php?id=118813 Does someone (Amir?) know the software used in Dortmund with DGT board?] by [[Sylvain Renard]], [[CCC]], July 12, 2000
* [https://www.stmintz.com/ccc/index.php?id=162914 A question to other users - DGT board] by [[Peter Berger]], [[CCC]], April 11, 2001
* [https://www.stmintz.com/ccc/index.php?id=201323 Your thoughts on the DGT electronic chessboard] by Gerald Grimsley, [[CCC]], December 10, 2001
* [http://groups.google.com/group/rec.games.chess.misc/msg/8734d1b2fffd6af0 How electronic chessboards works] by [http://digitalgametechnology.com/site/History/about-dgt.html Ben Bulsink DGT Project], [[Computer Chess Forums|rec.games.chess.misc]], February 19, 2004
* [https://www.stmintz.com/ccc/index.php?id=361540 Crafty, Winboard, DGT and Move Annoucement] by [[Michael Byrne|Mike Byrne]], [[CCC]], April 24, 2004
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=464917 CEBoard now supports DGT Board] by [[Alain Zanchetta]], [[CCC]], November 27, 2005 » [[CEBoard]]
* [https://www.stmintz.com/ccc/index.php?id=481317 DGT Board with Robot Arm] by Alfredo Delacruz, [[CCC]], January 21, 2006
* [http://www.talkchess.com/forum/viewtopic.php?t=25310 On the DGT piece recognition chessboard] by [[Steven Edwards]], [[CCC]], December 07, 2008
==2010 ...==
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=52438 DGT Winboard interface] by [[Jan Krabbenbos]], [[Computer Chess Forums|Winboard Forum]], June 19, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=48231 DGT e-Board] by [[Steven Edwards]], [[CCC]], June 09, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=49660 DGT and Android (or iPhone)] by [[Albert Silver]], [[CCC]], October 10, 2013
* [http://www.hiarcs.net/forums/viewtopic.php?t=6280 Thoughts on the DGT chessboard] by [[Steven Edwards]], [[Computer Chess Forums|Hiarcs Forum]], October 10, 2013
* [http://hiarcs.net/forums/viewtopic.php?t=6433&sid=748bb4336e8c6e0aecb1458ccf6de67e DGT board arrives -- serious disappointment] by [[Steven Edwards]], [[Computer Chess Forums|Hiarcs Forum]], November 16, 2013
* [http://hiarcs.net/forums/viewtopic.php?t=6456&sid=748bb4336e8c6e0aecb1458ccf6de67e DGT board and piece set arrive -- all issues resolved] by [[Steven Edwards]], [[Computer Chess Forums|Hiarcs Forum]], November 29, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=50344 How to make a DGT Board ?] by Sean Evans, [[CCC]], December 05, 2013
* [http://hiarcs.net/forums/viewtopic.php?t=6472&sid=748bb4336e8c6e0aecb1458ccf6de67e That other DGT e-board] by [[Steven Edwards]], [[Computer Chess Forums|Hiarcs Forum]], December 07, 2013
* [http://hiarcs.net/forums/viewtopic.php?t=6455 DGT board C++ interface project] by [[Steven Edwards]], [[Computer Chess Forums|Hiarcs Forum]], December 07, 2013
: [http://hiarcs.net/forums/viewtopic.php?t=6455&start=19 Re: Where is the USB port entry usder OS/X?] by [[Shivkumar Shivaji]], [[Computer Chess Forums|Hiarcs Forum]], December 15, 2013
==2015 ...==
* [http://www.hiarcs.net/forums/viewtopic.php?t=7587 DGT will do dedicated units this year] by [[Fernando Villegas|Fernando]], [[Computer Chess Forums|Hiarcs Forum]], January 01, 2016
* [http://www.hiarcs.net/forums/viewtopic.php?t=7904 DGT e-board / Mac,PC,Pico / full coverage / worthy & use] by SFK3, [[Computer Chess Forums|Hiarcs Forum]], May 30, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=64164 DGT sensory boards, any experience?] by Gerald Grimsley, [[CCC]], June 03, 2017
* [http://www.hiarcs.net/forums/viewtopic.php?t=8639 DGT Smart Board] by Schachspieler, [[Computer Chess Forums|Hiarcs Forum]], October 26, 2017
* [http://www.talkchess.com/forum/viewtopic.php?t=66001 Questions about the DGT Chessboard] by Tracy S Miller, [[CCC]], December 13, 2017
=External Links=
* [http://www.dgtshop.nl/index.php/44/e-boards DGT - Chess e-Boards]
* [http://www.chessbase.com/newsdetail.asp?newsid=4372 DGT presents: new clocks, technology – and Vladimir Kramnik], [[ChessBase|ChessBase News]], January 10, 2008
* [http://www.google.com/patents/US6168158 Patent US6168158 - Device for detecting playing pieces on a board - Google Patents]
* [http://playwitharena.com/?Features:The_DGT_Chessboard The DGT Chessboard] from [[Arena|Arena Chess GUI]]
* [http://www.pocketgrandmaster.com/english/help.html#DGT DGT-board] from [[PocketGrandmaster]]
* [http://dgtdrv.sourceforge.net/ dgtdrv: An input engine for the DGT Digital Chess Board]
* [http://tradechess.blogspot.de/p/dgt-projets.html Mychess - Fidelity Electronics: DGT Projets] (Spanish)
=References=
<references />
'''[[Sensory Board|Up one level]]'''
