25,161
edits
Changes
Created page with "'''Home * Evaluation * Pawn Structure * Passed Pawn * Unstoppable Passer''' {| |- style="vertical-align:top;" | rowspan="2" | '''Unstoppable Passer'..."
'''[[Main Page|Home]] * [[Evaluation]] * [[Pawn Structure]] * [[Passed Pawn]] * Unstoppable Passer'''
{|
|- style="vertical-align:top;"
| rowspan="2" | '''Unstoppable Passer''',<br/>
a passed pawn with an empty [[Pawn Spans|frontspan]] guaranteed to safely [[Promotions|promote]] according to the length of the span. If the opponent has no pieces left, this is true if the opponent king is outside the [[Rule of the Square#TheSquareofthePawn|square of the pawn]], or the own king controls the complete frontspan <ref>In [[Fruit]] referred as king_passer, [https://webspace.utexas.edu/zzw57/rtc/eval/passed_pawns.html Passed Pawn Evaluation] from [https://webspace.utexas.edu/zzw57/rtc/eval/eval.html Rybka 1.0 beta vs. Fruit Evaluation] by [[Zach Wegner]] » [[Rybka Controversy]]</ref>. Unstoppable passers may be regarded with a huge, possibly [[Tempo|tempo]] depending evaluation bonus, specially if advanced, but one should consider "unstoppable" advanced [[Candidate Passed Pawn|candidates]] or [[Hidden Passed Pawn|hidden passers]] and multiple threats as broached in the [[Réti Endgame Study]] accordantly <ref>[http://www.talkchess.com/forum/viewtopic.php?t=37748 Improving evaluation of passed pawns] by [[Ben-Hur Carlos Vieira Langoni Junior]], [[CCC]], January 22, 2011</ref>.
With opponent pieces left, programs usually perform the default passer evaluation concerning advancement and [[Square Control|square controls]] and possibly [[Static Exchange Evaluation|SEE]] of [[Stop Square|stop]] and [[Pawn Spans#StopandDistantStop|telestop]] squares, and rely on [[Search|search]] to solve all kind of possible [[Tactics|tactics]]. Some programs care about '''one''' opponent piece left, specially knight or bishop, to perform [[Fill Algorithms|fill algorithms]] for a [[Trajectory|trajectory]] analysis to determine (advanced) passers are unstoppable or can be blocked or captured in time.
| <fentt border="double" style="font-size:24pt">8/1K2k3/8/2P5/8/8/7n/8</fentt>
|-
| 8/1K2k3/8/2P5/8/8/7n/8 w - - 0 1
|}
=See also=
* [[Candidate Passed Pawn]]
* [[KPK]]
* [[Hidden Passed Pawn]]
* [[Outside Passed Pawn]]
* [[Passed Pawn Extensions]]
* [[Pawn Race]]
* [[Réti Endgame Study]]
* [[Rule of the Square]]
* [[King Pattern#SetwiseRuleoftheSquare|Set-wise Rule of the Square]]
* [[Chunker#SzenPosition|Szén Position]]
* [[Tarrasch Rule]]
* [[Tempo]]
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=21149 Rule of Square test position] by [[Charles Roberson]], [[CCC]], May 15, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=34879 An unstoppable passed pawn] by [[Marek Kwiatkowski]], [[CCC]], June 11, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=37748 Improving evaluation of passed pawns] by [[Ben-Hur Carlos Vieira Langoni Junior]], [[CCC]], January 22, 2011 » [[Candidate Passed Pawn]]
=External Links=
* [[Videos#JoeSatriani|Joe Satriani]] - [http://www.frontandcenter.com/season-4-episodes/4-joe-satriani/ Front And Center] - [https://en.wikipedia.org/wiki/Unstoppable_Momentum Unstoppable Momentum], live from the [https://en.wikipedia.org/wiki/Iridium_Jazz_Club Iridium] 2014, [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: [https://en.wikipedia.org/wiki/Joe_Satriani Joe Satriani], [https://en.wikipedia.org/wiki/Mike_Keneally Mike Keneally], [[Videos#BryanBeller|Bryan Beller]], [[Videos#MarcoMinnemann|Marco Minnemann]]
: {{#evu:https://www.youtube.com/watch?v=5Op0kWsdHT0|alignment=left|valignment=top}}
=References=
<references />
'''[[Passed Pawn|Up one Level]]'''
{|
|- style="vertical-align:top;"
| rowspan="2" | '''Unstoppable Passer''',<br/>
a passed pawn with an empty [[Pawn Spans|frontspan]] guaranteed to safely [[Promotions|promote]] according to the length of the span. If the opponent has no pieces left, this is true if the opponent king is outside the [[Rule of the Square#TheSquareofthePawn|square of the pawn]], or the own king controls the complete frontspan <ref>In [[Fruit]] referred as king_passer, [https://webspace.utexas.edu/zzw57/rtc/eval/passed_pawns.html Passed Pawn Evaluation] from [https://webspace.utexas.edu/zzw57/rtc/eval/eval.html Rybka 1.0 beta vs. Fruit Evaluation] by [[Zach Wegner]] » [[Rybka Controversy]]</ref>. Unstoppable passers may be regarded with a huge, possibly [[Tempo|tempo]] depending evaluation bonus, specially if advanced, but one should consider "unstoppable" advanced [[Candidate Passed Pawn|candidates]] or [[Hidden Passed Pawn|hidden passers]] and multiple threats as broached in the [[Réti Endgame Study]] accordantly <ref>[http://www.talkchess.com/forum/viewtopic.php?t=37748 Improving evaluation of passed pawns] by [[Ben-Hur Carlos Vieira Langoni Junior]], [[CCC]], January 22, 2011</ref>.
With opponent pieces left, programs usually perform the default passer evaluation concerning advancement and [[Square Control|square controls]] and possibly [[Static Exchange Evaluation|SEE]] of [[Stop Square|stop]] and [[Pawn Spans#StopandDistantStop|telestop]] squares, and rely on [[Search|search]] to solve all kind of possible [[Tactics|tactics]]. Some programs care about '''one''' opponent piece left, specially knight or bishop, to perform [[Fill Algorithms|fill algorithms]] for a [[Trajectory|trajectory]] analysis to determine (advanced) passers are unstoppable or can be blocked or captured in time.
| <fentt border="double" style="font-size:24pt">8/1K2k3/8/2P5/8/8/7n/8</fentt>
|-
| 8/1K2k3/8/2P5/8/8/7n/8 w - - 0 1
|}
=See also=
* [[Candidate Passed Pawn]]
* [[KPK]]
* [[Hidden Passed Pawn]]
* [[Outside Passed Pawn]]
* [[Passed Pawn Extensions]]
* [[Pawn Race]]
* [[Réti Endgame Study]]
* [[Rule of the Square]]
* [[King Pattern#SetwiseRuleoftheSquare|Set-wise Rule of the Square]]
* [[Chunker#SzenPosition|Szén Position]]
* [[Tarrasch Rule]]
* [[Tempo]]
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=21149 Rule of Square test position] by [[Charles Roberson]], [[CCC]], May 15, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=34879 An unstoppable passed pawn] by [[Marek Kwiatkowski]], [[CCC]], June 11, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=37748 Improving evaluation of passed pawns] by [[Ben-Hur Carlos Vieira Langoni Junior]], [[CCC]], January 22, 2011 » [[Candidate Passed Pawn]]
=External Links=
* [[Videos#JoeSatriani|Joe Satriani]] - [http://www.frontandcenter.com/season-4-episodes/4-joe-satriani/ Front And Center] - [https://en.wikipedia.org/wiki/Unstoppable_Momentum Unstoppable Momentum], live from the [https://en.wikipedia.org/wiki/Iridium_Jazz_Club Iridium] 2014, [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: [https://en.wikipedia.org/wiki/Joe_Satriani Joe Satriani], [https://en.wikipedia.org/wiki/Mike_Keneally Mike Keneally], [[Videos#BryanBeller|Bryan Beller]], [[Videos#MarcoMinnemann|Marco Minnemann]]
: {{#evu:https://www.youtube.com/watch?v=5Op0kWsdHT0|alignment=left|valignment=top}}
=References=
<references />
'''[[Passed Pawn|Up one Level]]'''
