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Created page with "'''Home * People * Dan Heisman''' border|right|thumb| Dan Heisman <ref>[https://www.danheisman.com/ Dan Heisman - Home]</ref> '''..."
'''[[Main Page|Home]] * [[People]] * Dan Heisman'''
[[FILE:DanHeisman.jpg|border|right|thumb| Dan Heisman <ref>[https://www.danheisman.com/ Dan Heisman - Home]</ref> ]]
'''Dan Heisman''',<br/>
an American [https://en.wikipedia.org/wiki/United_States_Chess_Federation USCF] chess master, chess journalist,
columnist and instructor. As member of the [[ICCA]], Dan Heisman volunteered at the [[Deep Blue]] versus [[Garry Kasparov]] matches in [[Kasparov versus Deep Blue 1996|1996]] and [[Kasparov versus Deep Blue 1997|1997]] <ref>[http://web.archive.org/web/20070204023455/http://www.chessville.com/editorials/Interviews/Heisman_Part_1.htm Chessville - Interviews - Dan Heisman - Part 1], February 2003 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])</ref>.
=Elements=
In his book ''Elements of Positional Evaluation'' <ref>[[Dan Heisman]] ('''1990, 1999, 2010'''). ''[https://www.danheisman.com/elements-of-positional-evaluation.html Elements of Positional Evaluation]''. Russell Enterprises</ref>, Dan Heisman represents an attempt at mathematical abstraction applied to chess, introducing seven concepts as fundamental in analyzing a chess position: [[Mobility|mobility]], flexibility, vulnerability, [[Center Control|center control]], piece coordination, time and speed.
Heisman applies two [https://en.wikipedia.org/wiki/Dichotomy dichotomies]: ''actual'' versus ''potential'' and ''local'' versus ''global'' <ref>[[Robert Levinson]], [[Richard Snyder]] ('''1993'''). ''DISTANCE: Toward the Unification of Chess Knowledge''. [[ICGA Journal#16_3|ICCA Journal, Vol. 16, No. 3]]</ref> .
{| class="wikitable"
|-
! style="text-align:center;" |
! style="text-align:center;" | local
! style="text-align:center;" | global
|-
! style="text-align:center;" | actual
| style="text-align:center;" | Single moves<br/>from this position
| style="text-align:center;" | All reachable squares<br/>from this position
|-
! style="text-align:center;" | potential
| style="text-align:center;" | Single moves<br/>on an empty board
| style="text-align:center;" | All reachable squares<br/>on an empty board
|}
=See also=
* [[Influence Quantity of Pieces]]
* [[Mobility]]
=Selected Publications=
<ref>[[ICGA Journal#RefDB|ICGA Reference Database]]</ref>
* [[Dan Heisman]] ('''1990, 1999, 2010'''). ''[https://www.danheisman.com/elements-of-positional-evaluation.html Elements of Positional Evaluation]''. Russell Enterprises, [https://www.amazon.com/Elements-Positional-Evaluation-Pieces-Their/dp/1888690585 amazon] <ref>[https://www.johnljerz.com/superduper/tlxdownloadsiteMAIN/id903.html Elements of Positional Evaluation, 4th Edition (Heisman, 2010)] by [[John L. Jerz]]</ref>
* [[Dan Heisman]] ('''2003'''). ''Evaluation Criteria''. [http://web.archive.org/web/20101205141047/http://www.chesscafe.com/text/heisman27.pdf pdf]
* [[Dan Heisman]] ('''2009'''). ''Steinitz, Zermelo, and Elkies''. [http://web.archive.org/web/20110514132222/http://www.chesscafe.com/text/skittles358.pdf pdf] <ref>[https://en.wikipedia.org/wiki/Wilhelm_Steinitz Wilhelm Steinitz], [[Ernst Zermelo]] and [[Noam Elkies]]</ref>
* [[Dan Heisman]] ('''2009'''). ''[https://www.danheisman.com/the-improving-chess-thinker.html The Improving Chess Thinker]''. [https://mongoosepress.com/ Mongoose Press]
=External Links=
* [https://en.wikipedia.org/wiki/Dan_Heisman Dan Heisman from Wikipedia]
* [https://www.danheisman.com/ Dan Heisman - Home]
* [http://web.archive.org/web/20070204023455/http://www.chessville.com/editorials/Interviews/Heisman_Part_1.htm Chessville - Interviews - Dan Heisman - Part 1], February 2003 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [http://web.archive.org/web/20070203205428/http://www.chessville.com/Editorials/Interviews/Heisman_Part_2.htm Chessville - Interviews - Dan Heisman - Part 2], February 2003 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [http://web.archive.org/web/20100316210428/http://home.comcast.net/~danheisman/Articles/Novice_Nook_Links.htm Dan Heisman's Chess Cafe Links] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Player|Heisman]]
[[Category:Journalist|Heisman]]
[[FILE:DanHeisman.jpg|border|right|thumb| Dan Heisman <ref>[https://www.danheisman.com/ Dan Heisman - Home]</ref> ]]
'''Dan Heisman''',<br/>
an American [https://en.wikipedia.org/wiki/United_States_Chess_Federation USCF] chess master, chess journalist,
columnist and instructor. As member of the [[ICCA]], Dan Heisman volunteered at the [[Deep Blue]] versus [[Garry Kasparov]] matches in [[Kasparov versus Deep Blue 1996|1996]] and [[Kasparov versus Deep Blue 1997|1997]] <ref>[http://web.archive.org/web/20070204023455/http://www.chessville.com/editorials/Interviews/Heisman_Part_1.htm Chessville - Interviews - Dan Heisman - Part 1], February 2003 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])</ref>.
=Elements=
In his book ''Elements of Positional Evaluation'' <ref>[[Dan Heisman]] ('''1990, 1999, 2010'''). ''[https://www.danheisman.com/elements-of-positional-evaluation.html Elements of Positional Evaluation]''. Russell Enterprises</ref>, Dan Heisman represents an attempt at mathematical abstraction applied to chess, introducing seven concepts as fundamental in analyzing a chess position: [[Mobility|mobility]], flexibility, vulnerability, [[Center Control|center control]], piece coordination, time and speed.
Heisman applies two [https://en.wikipedia.org/wiki/Dichotomy dichotomies]: ''actual'' versus ''potential'' and ''local'' versus ''global'' <ref>[[Robert Levinson]], [[Richard Snyder]] ('''1993'''). ''DISTANCE: Toward the Unification of Chess Knowledge''. [[ICGA Journal#16_3|ICCA Journal, Vol. 16, No. 3]]</ref> .
{| class="wikitable"
|-
! style="text-align:center;" |
! style="text-align:center;" | local
! style="text-align:center;" | global
|-
! style="text-align:center;" | actual
| style="text-align:center;" | Single moves<br/>from this position
| style="text-align:center;" | All reachable squares<br/>from this position
|-
! style="text-align:center;" | potential
| style="text-align:center;" | Single moves<br/>on an empty board
| style="text-align:center;" | All reachable squares<br/>on an empty board
|}
=See also=
* [[Influence Quantity of Pieces]]
* [[Mobility]]
=Selected Publications=
<ref>[[ICGA Journal#RefDB|ICGA Reference Database]]</ref>
* [[Dan Heisman]] ('''1990, 1999, 2010'''). ''[https://www.danheisman.com/elements-of-positional-evaluation.html Elements of Positional Evaluation]''. Russell Enterprises, [https://www.amazon.com/Elements-Positional-Evaluation-Pieces-Their/dp/1888690585 amazon] <ref>[https://www.johnljerz.com/superduper/tlxdownloadsiteMAIN/id903.html Elements of Positional Evaluation, 4th Edition (Heisman, 2010)] by [[John L. Jerz]]</ref>
* [[Dan Heisman]] ('''2003'''). ''Evaluation Criteria''. [http://web.archive.org/web/20101205141047/http://www.chesscafe.com/text/heisman27.pdf pdf]
* [[Dan Heisman]] ('''2009'''). ''Steinitz, Zermelo, and Elkies''. [http://web.archive.org/web/20110514132222/http://www.chesscafe.com/text/skittles358.pdf pdf] <ref>[https://en.wikipedia.org/wiki/Wilhelm_Steinitz Wilhelm Steinitz], [[Ernst Zermelo]] and [[Noam Elkies]]</ref>
* [[Dan Heisman]] ('''2009'''). ''[https://www.danheisman.com/the-improving-chess-thinker.html The Improving Chess Thinker]''. [https://mongoosepress.com/ Mongoose Press]
=External Links=
* [https://en.wikipedia.org/wiki/Dan_Heisman Dan Heisman from Wikipedia]
* [https://www.danheisman.com/ Dan Heisman - Home]
* [http://web.archive.org/web/20070204023455/http://www.chessville.com/editorials/Interviews/Heisman_Part_1.htm Chessville - Interviews - Dan Heisman - Part 1], February 2003 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [http://web.archive.org/web/20070203205428/http://www.chessville.com/Editorials/Interviews/Heisman_Part_2.htm Chessville - Interviews - Dan Heisman - Part 2], February 2003 ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [http://web.archive.org/web/20100316210428/http://home.comcast.net/~danheisman/Articles/Novice_Nook_Links.htm Dan Heisman's Chess Cafe Links] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Player|Heisman]]
[[Category:Journalist|Heisman]]
![border|right|thumb| Dan Heisman <ref>[https://www.danheisman.com/ Dan Heisman - Home]</ref>](/File:DanHeisman.jpg){kind=link}