Search+Explosion

toc =See also=  =Leonid's Positions= Chess positions posted by Leonid Liberman in CCC let many engines "explode"
 * Home * Search * Search Explosion**
 * [[image:The_Scream.jpg link="http://en.wikipedia.org/wiki/1883_eruption_of_Krakatoa"]] ||~  || A **Search Explosion** or node count explosion refers to a huge effective branching factor in iterative deepening, most often caused by move ordering suddenly becomes worse due to new refutations found at higher depth, by re-searching the root after aspiration window fail-high or fail-low, and/or enabling too many extensions and checks in quiescence search. ||
 * Edvard Munch, [|The Scream] ||~  ||^   ||
 * Check Extensions
 * Extensions
 * Mate Threat Extensions
 * Odd-Even Effect
 * Quiescence Search
 * Search Instability
 * Time Management
 * [[image:http://webchess.freehostia.com/diag/chessdiag.php?fen=q2k2q1/2nqn2b/1n1P1n1b/2rnr2Q/1NQ1QN1Q/3Q3B/2RQR2B/Q2K2Q1%20w%20-%20-&size=large&coord=yes&cap=no&stm=yes&fb=no&theme=classic&color1=E3CEAA&color2=635147&color3=000000]] ||
 * q2k2q1/2nqn2b/1n1P1n1b/2rnr2Q/1NQ1QN1Q/3Q3B/2RQR2B/Q2K2Q1 w - - ||

=Forum Posts=

2000 ...

 * [|Explosion in WAC 102] by David Rasmussen, CCC, January 11, 2002
 * [|No explosions] by Matthias Gemuh, CCC, January 11, 2002
 * [|Threat Extension and Tree Explosion] by Steve Maughan, CCC, May 23, 2002
 * [|Quiescence Explosion] by David Rasmussen, CCC, November 26, 2002
 * [|More Explosion] by David Rasmussen, CCC, November 26, 2002
 * [|Quiescent Explosion] by macaroni, CCC, June 26, 2003
 * [| quiesce node explosion] by Mike Siler, CCC, January 24, 2004
 * [|check extention explosion] by Aivaras Juzvikas, CCC, April 03, 2004

2005 ...

 * [|node explosion] by David Dahlem, CCC, August 22, 2005
 * [|Node count explosion] by Mridul Muralidharan, CCC, September 03, 2005
 * [|Quiescence Search Explosions] by Mike Leany, CCC, April 18, 2008

2010 ...

 * [|Problem with exploding tree because of extensions] by Oliver Brausch, CCC, January 05, 2010 » Extensions
 * [|Avoiding qsearch explosion] by Marco Costalba, CCC, January 29, 2010 » Quiescence Search

2015 ...

 * [|Quiescence node explosion] by sandermvdb, OpenChess Forum, June 01, 2016 » Quiescence Search
 * [|Q search explosion] by Colin Jenkins, CCC, March 30, 2017 » Quiescence Search

=External Links= > Stanley Clarke, Allan Holdsworth, Randy Brecker, [|Bernard Wright], [|Steve Smith] - dedicated to [|Charles Mingus] and Jaco Pastorius > media type="youtube" key="q21KNH9hXwQ" width="560"
 * [|Exponential growth from Wikipedia]
 * [|The Great Explosion from Wikipedia]
 * The Jazz Explosion - [|Goodbye Pork Pie Hat], live at [|The Chance], [|Poughkeepsie, NY], February 05, 1989, various clips, [|YouTube] Video

=References= =What links here?= include page="Search Explosion" component="backlinks" limit="60"
 * Up one Level**