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**[[Home]] * [[Engines]] * Wasp** || [[image:180px-Vespula_germanica_Richard_Bartz.jpg link="https://commons.wikimedia.org/wiki/File:Vespula_germanica_Richard_Bartz.jpg"]] ||~ || **Wasp**, [[John Stanback|John Stanback's]] new [[UCI]] compliant chess engine and complete rewrite of [[Zarkov]], first released short after [[https://en.wikipedia.org/wiki/June_solstice|June solstice]] 2016, announced <ref>[[http://www.talkchess.com/forum/viewtopic.php?t=60550|Wasp 1.01 x64 by John Stanback released ...]] by [[Frank Quisinsky]], [[CCC]], June 22, 2016</ref> and hosted by [[Frank Quisinsky]] <ref>[[http://www.amateurschach.de/main/_wasp.htm|Frank's Chess Page, Wasp by John Stanback]], June 22, 2016</ref>. As a [[Bitboards|bitboard]] engine, Wasp is compiled for modern [[x86-64|64 bit CPU's]] with [[Population Count|popcnt]] and [[BitScan|bitscan]] instructions. Wasp **2.00**, released in April 2017, is able to use multiple [[Thread|threads]] performing a [[Lazy SMP]] search <ref>[[http://www.talkchess.com/forum/viewtopic.php?t=63783|Wasp 2.00 by John Stanback ... with Lazy SMP!]] by [[Frank Quisinsky]], [[CCC]], April 21, 2017</ref>. || || Wasp <ref>[[https://en.wikipedia.org/wiki/Vespula|Vespula]] is a small genus of social wasps, widely distributed in the [[https://en.wikipedia.org/wiki/Northern_Hemisphere|Northern Hemisphere]]. Along with members of their sister genus [[https://en.wikipedia.org/wiki/Dolichovespula|Dolichovespula]], they are collectively known by the common name [[https://en.wikipedia.org/wiki/Yellow_jacket|yellow jackets]] (or yellow-jackets) in [[https://en.wikipedia.org/wiki/North_America|North America]]. Vespula species have a shorter malar space and a more pronounced tendency to nest underground, but are otherwise nearly indistinguishable from Dolichovespula. As shown a [[https://en.wikipedia.org/wiki/Vespula_germanica|Vespula germanica]], [[https://commons.wikimedia.org/wiki/File:Vespula_germanica_Richard_Bartz.jpg|Image]] by [[https://commons.wikimedia.org/wiki/User:Richard_Bartz|Richard Bartz]], August 10, 2007, [[https://creativecommons.org/licenses/by-sa/2.5/deed.en|CC BY-SA 2.5]], [[https://en.wikipedia.org/wiki/Wikimedia_Commons|Wikimedia Commons]], [[https://en.wikipedia.org/wiki/Wasp|Wasp from Wikipedia]]</ref> ||~ ||^ || [[toc]] =Features= <ref>based on [[http://www.amateurschach.de/main/wasp/release_notes_101.txt|Wasp Release Notes]] by [[John Stanback]]</ref> ==[[Search]]== * [[Iterative Deepening]] * [[Aspiration Windows]] * [[Principal Variation Search]] * [[Transposition Table]] * [[Extensions]] ** [[Check Extensions]] ** [[Passed Pawn Extensions]] (to 7th rank if [[Depth|depth]] is low) ** [[Extensions#FractionalExtensions|Fractional]] *** [[Capture Extensions]] *** [[PV Extensions]] * [[Pruning]]/[[Reductions]] ** [[Quiescence Search]] ** [[Null Move Pruning]] ** [[Futility Pruning]] ** [[Reverse Futility Pruning]] ** [[Futility Pruning#MoveCountBasedPruning|Late Move Pruning]] ** [[Late Move Reductions]] * [[Move Ordering]] ** [[Killer Heuristic]] ** [[History Heuristic]] ** [[Internal Iterative Deepening]] ** [[MVV-LVA|MVV/LVA]] ** [[Static Exchange Evaluation]] * [[Lazy SMP]] (Wasp 2.00) ==[[Evaluation]]== * Wasp does not use [[Lazy Evaluation]] (Opposed to [[Zarkov]]) * [[Tapered Eval]] * [[Material]] * [[Piece-Square Tables]] * [[Evaluation Hash Table]] * [[Pawn Hash Table]] * [[Pawn Structure]] ** [[Passed Pawn]] ** [[Candidate Passed Pawn]] ** [[Weak Pawns]] ** [[Backward Pawn]] ** [[Doubled Pawn]] ** [[Isolated Pawn]] * [[Mobility]] * [[Trapped Pieces]] * [[Outposts]] * [[Rook on open file|Rook on open/half-open file]] * [[Rook On Seventh]] * [[King Safety]] * [[King Pawn Tropism]] in [[Endgame]] ==Misc== * [[KPK|KPK base]] * [[UCI]] =See also= * [[Various Classifications#Arthropod|Arthropod]] * [[Buzz]] * [[GNU Chess]] * [[SCP]] * [[Zarkov]] =Forum Posts= ==2016== * [[http://www.talkchess.com/forum/viewtopic.php?t=60550|Wasp 1.01 x64 by John Stanback released ...]] by [[Frank Quisinsky]], [[CCC]], June 22, 2016 * [[http://www.talkchess.com/forum/viewtopic.php?t=60667|Wasp 1.02 by John Stanback available ...]] by [[Frank Quisinsky]], [[CCC]], July 01, 2016 * [[http://www.talkchess.com/forum/viewtopic.php?t=60694|Wasp until move 42...]] by [[Fernando Villegas]], [[CCC]], July 05, 2016 * [[http://www.talkchess.com/forum/viewtopic.php?t=61560|Wasp by John Stanback is clear for take-off on runway 1.25!]] by [[Frank Quisinsky]], [[CCC]], September 30, 2016 ==2017== * [[http://www.talkchess.com/forum/viewtopic.php?t=63783|Wasp 2.00 by John Stanback ... with Lazy SMP!]] by [[Frank Quisinsky]], [[CCC]], April 21, 2017 * [[http://www.talkchess.com/forum/viewtopic.php?t=63894|Wasp 2.01 by John Stanback available ...]] by [[Frank Quisinsky]], [[CCC]], May 04, 2017 * [[http://www.talkchess.com/forum/viewtopic.php?t=65791|Wasp 2.60 by John Stanback released!]] by [[Frank Quisinsky]], [[CCC]], November 22, 2017 * [[http://www.talkchess.com/forum/viewtopic.php?t=65805|Wasp and a question]] by [[Fernando Villegas]], [[CCC]], November 23, 2017 =External Links= ==Chess Engine== * [[http://www.amateurschach.de/main/_wasp.htm|Frank's Chess Page, Wasp by John Stanback]] ==Misc== * [[https://en.wiktionary.org/wiki/WASP|WASP - Wiktionary]] * [[https://en.wiktionary.org/wiki/wasp|wasp - Wiktionary]] * [[https://en.wikipedia.org/wiki/Wasp|Wasp from Wikipedia]] * [[https://en.wikipedia.org/wiki/Wasp_(disambiguation)|Wasp (disambiguation) from Wikipedia]] * [[https://en.wikipedia.org/wiki/W.A.S.P.|W.A.S.P.]] - [[http://www.azlyrics.com/lyrics/wasp/mantronic.html|Mantronic]], [[https://en.wikipedia.org/wiki/Inside_the_Electric_Circus|Inside the Electric Circus]] (1986), [[https://en.wikipedia.org/wiki/YouTube|YouTube]] Video > [[media type="youtube" key="JrF2btiNBCg"]] =References= <references /> =What links here?= [[include page="Wasp" component="backlinks" limit="40"]] **[[Engines|Up one level]]**