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Created page with "'''Home * Evaluation * Game Phases * Opening * Development''' '''Development''', <br/> the aim of the opening phase to move pieces from their initia..."
'''[[Main Page|Home]] * [[Evaluation]] * [[Game Phases]] * [[Opening]] * Development'''
'''Development''', <br/>
the aim of the opening phase to move pieces from their initial to more advantageous [[Squares|squares]] to occupy or [[Center Control|control the center]] to gain more [[Space|space]] and more attack and defense possibilities, or activity, as well in hindering the opponent from doing so. In the first place this applies to the minor [[Pieces|pieces]], [[Knight|knights]] and [[Bishop|bishops]], in conjunction with the required pawn moves to open lines aka diagonals to mobilize bishops.
=Tempo Balance=
Each development of a minor piece, and finally connecting the rooks on the base rank due to [[Castling|castling]], is considered a [[Tempo|tempo]], but no pawn move. In tempo sensitive, often dynamic and tactical opening lines with early pawn [[Pawn Levers (Bitboards)|levers]] and options to open attacking lines, [https://en.wikipedia.org/wiki/Siegbert_Tarrasch Tarrasch] rates three tempi worth about the value of one pawn <ref>[https://en.wikipedia.org/wiki/Siegbert_Tarrasch Siegbert Tarrasch] ('''1931'''). [http://www.amazon.de/Das-Schachspiel-Originalfassung-Siegbert-Tarrasch/dp/3938484845 Das Schachspiel] Die Eröffnung I. Allgemeiner Teil Die Kräfte, Der Raum, Die Zeit, Tempobilanz (German)</ref>, which is the motivation of many [[Gambit|gambit]] openings.
A rule of thumb is not only to avoid premature pawn moves, but also moving the same piece multiple times without a good reason, and to develop most or at best all minor pieces before starting attacks with the queen - since too early queen development without appropriate support makes her vulnerable to opponent piece attacks, often worsening the tempo balance if not worse.
=Eval Considerations=
While some programs rely on the [[Opening Book|opening book]] and appropriate [[Piece-Square Tables|piece-square tables]] as well as [[Mobility|mobility]] and [[Center Control|center control]] terms to encourage piece development, others have explicit terms for this early game phase and consider a tempo balance and extra penalties for knights and bishops on their initial home squares. Quite common is also to punish blocked center pawns on their base rank, and too early development of the queen.
=See also=
* [[Center Control]]
* [[Fianchetto]]
* [[Gambit]]
* [[Mobility]]
* [[Opening Book]]
* [[Piece-Square Tables]]
* [[Returning Bishop]]
* [[Space]]
* [[Tempo]]
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=48632 2 Dh5?] by [[Henk van den Belt]], [[CCC]], July 13, 2013
=External Links=
==Chess==
* [http://en.wikibooks.org/wiki/Chess_Strategy/Development Chess Strategy/Development - Wikibooks]
* [https://en.wikipedia.org/wiki/Glossary_of_chess#Develop Glossary of chess - Develop - Wikipedia]
* [http://www.mark-weeks.com/aboutcom/aa05g16.htm Chess Opening Tutorial : Count the Developing Moves] from [http://www.mark-weeks.com/aboutcom/index.htm Chess for All Ages] by [http://www.blogger.com/profile/10101044127493771263 Mark Weeds]
==Misc==
* [https://en.wikipedia.org/wiki/Development Development from Wikipedia]
* [https://en.wikipedia.org/wiki/Software_development Software development from Wikipedia] » [[Software]]
=References=
<references />
'''[[Opening|Up one level]]'''
'''Development''', <br/>
the aim of the opening phase to move pieces from their initial to more advantageous [[Squares|squares]] to occupy or [[Center Control|control the center]] to gain more [[Space|space]] and more attack and defense possibilities, or activity, as well in hindering the opponent from doing so. In the first place this applies to the minor [[Pieces|pieces]], [[Knight|knights]] and [[Bishop|bishops]], in conjunction with the required pawn moves to open lines aka diagonals to mobilize bishops.
=Tempo Balance=
Each development of a minor piece, and finally connecting the rooks on the base rank due to [[Castling|castling]], is considered a [[Tempo|tempo]], but no pawn move. In tempo sensitive, often dynamic and tactical opening lines with early pawn [[Pawn Levers (Bitboards)|levers]] and options to open attacking lines, [https://en.wikipedia.org/wiki/Siegbert_Tarrasch Tarrasch] rates three tempi worth about the value of one pawn <ref>[https://en.wikipedia.org/wiki/Siegbert_Tarrasch Siegbert Tarrasch] ('''1931'''). [http://www.amazon.de/Das-Schachspiel-Originalfassung-Siegbert-Tarrasch/dp/3938484845 Das Schachspiel] Die Eröffnung I. Allgemeiner Teil Die Kräfte, Der Raum, Die Zeit, Tempobilanz (German)</ref>, which is the motivation of many [[Gambit|gambit]] openings.
A rule of thumb is not only to avoid premature pawn moves, but also moving the same piece multiple times without a good reason, and to develop most or at best all minor pieces before starting attacks with the queen - since too early queen development without appropriate support makes her vulnerable to opponent piece attacks, often worsening the tempo balance if not worse.
=Eval Considerations=
While some programs rely on the [[Opening Book|opening book]] and appropriate [[Piece-Square Tables|piece-square tables]] as well as [[Mobility|mobility]] and [[Center Control|center control]] terms to encourage piece development, others have explicit terms for this early game phase and consider a tempo balance and extra penalties for knights and bishops on their initial home squares. Quite common is also to punish blocked center pawns on their base rank, and too early development of the queen.
=See also=
* [[Center Control]]
* [[Fianchetto]]
* [[Gambit]]
* [[Mobility]]
* [[Opening Book]]
* [[Piece-Square Tables]]
* [[Returning Bishop]]
* [[Space]]
* [[Tempo]]
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=48632 2 Dh5?] by [[Henk van den Belt]], [[CCC]], July 13, 2013
=External Links=
==Chess==
* [http://en.wikibooks.org/wiki/Chess_Strategy/Development Chess Strategy/Development - Wikibooks]
* [https://en.wikipedia.org/wiki/Glossary_of_chess#Develop Glossary of chess - Develop - Wikipedia]
* [http://www.mark-weeks.com/aboutcom/aa05g16.htm Chess Opening Tutorial : Count the Developing Moves] from [http://www.mark-weeks.com/aboutcom/index.htm Chess for All Ages] by [http://www.blogger.com/profile/10101044127493771263 Mark Weeds]
==Misc==
* [https://en.wikipedia.org/wiki/Development Development from Wikipedia]
* [https://en.wikipedia.org/wiki/Software_development Software development from Wikipedia] » [[Software]]
=References=
<references />
'''[[Opening|Up one level]]'''
