HIARCS Chess Software for PC Windows, Apple Mac and iPhone/iPad HIARCS Features
World Championship winning computer chess software program & downloads for chess database, analysis & play on PC, Mac and iPhone


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The features of HIARCS Championship Chess for Palm are listed by category of User below. You will then find a full feature list. At the bottom of the page you will find numerous screen shots.

Features for beginners:


bullet10 realistic beginner opponents: Beginner through to Challenger!
bulletConfigurable Elo of opponents from absolute beginner (750 Elo) to strong Grandmaster (2800 Elo)
bulletFull range of energy saving handicap levels which dramatically save battery life
bulletHIARCS shows how the pieces can move to help teach you the legal moves of the pieces
bulletSpecial "Coach" feature to watch over your play and warn you of mistakes
bulletHIARCS can highlight mistakes and blunders during or after a game and offer advise on improvements
bulletCoach monitors your progress and rates your play so you can see the improvements
bulletSee your rating in terms of a named category (e.g. beginner, intermediate, advanced etc) and an Elo rating
bulletResign, Offer Draw and even Adjudicate game result
bulletBook moves to help learn opening theory
bulletOpenings named so you can learn to identify the common openings
bulletHighly realistic human like play
bulletVCR controls for game navigation
bulletAuto play - watch HIARCS play itself and learn!


Features for advanced players:


bulletLatest HIARCS 12.1p chess engine renowned for its super chess strength
bulletStrongest chess program ever in a handheld device, true GM strength
bulletFirst (and only!) Palm chess program in history to defeat a chess Grandmaster in a match for a 2809 Elo rating!
bulletAll the knowledge of the premier HIARCS 12.1 PC program and even more!
bulletSpecial engine room giving configurable access to the HIARCS Chess Brain
bulletCustomizable playing styles and search - even see HIARCS thinking!
bulletGame variations recorded as Game Branches so you can analyse variations in detail.
bulletNavigation through Game Branches and Game keypoints
bulletSmart move entry
bulletEngine can think up to 26 moves ahead!
bulletInfinite levels of play to offer a challenge for any player
bulletSophisticated fully customisable time controls not found in any other chess program
bulletSpecial analysis options such as Find Next Best Move and Two player constant analysis
bulletOptional permanent brain for maximum strength
bulletConfigurable hash table sizes
bulletHIARCS learns from the games it plays to constantly improve its game!
bulletNumerous books available including tournament book by Eric Hallsworth
bulletFree huge opening books available with more than 1,000,000 positions and moves
bulletShows book moves available in any position and their merit
bulletChess openings named with their ECO reference
bullet68K and ARM based engines available - ARM engine is over 20 times faster!


Superb user features:


bulletExtensive intuitive menu system
bulletClear chess graphics with three different board styles
bulletHigh Density graphics in three board sizes to take advantage of the latest PDAs
bulletChoose from three different piece sets, Classic, Challenger and Elite
bulletLoad databases of great games from the greatest players of all time
bulletStep through grandmaster games already played to watch and analyse them
bulletLoad, Save and even delete games in a Hiarcs Game Database
bulletImport and Export PGN games as memos for hotsync onto the desktop
bulletSupports extended PGN format for game exchange with Chessbase programs such as HIARCS 12 - Build your own databases of the games you play!
bulletSupports EPD/FEN positions in PGN games
bulletSet up positions including position rights such as castling, en-passant and move number
bulletBrowse game freely forwards or backwards
bulletHIARCS can show mistakes by either player during and after a game
bulletThree board sizes, small with full information, large with information and full screen
bulletPresentation styles such as colours and greyscales can be configured
bulletSupports Fischer Random Chess in the form of Shuffle Chess
bulletSingle tap for key operations like analysis, moves, game navigation


Full Feature List


bulletThe following features are offered by HIARCS 9.50 and later for the Palm. The full features are only available in the purchased and registered version.
bulletStrongest Engine ever (up to 2700+ Elo) on PalmOS PDAs with infinite level options.
bulletSuitable for all players from absolute beginners to strong Grandmasters (750-2800+ Elo)
bulletLoad databases of great games from the greatest players of all time
bulletStep through grandmaster games already played to watch and analyse them
bulletLoad, Save and Delete Games in a Hiarcs Database of games.
bulletImport and Export PGN capabilities including extended PGN support.
bulletPosition Set Up including castling rights and En Passant status.
bulletAn ever present Coach to watch your play and provide:
- How the pieces can legally move.
- Warnings of impeding mistakes.
- Hints.
- Post game or move identification of mistakes.
- Book moves to help learn opening theory.
- Play out positions using auto play.
- Analysis of key points of the game.
- Rating system to measure your progress and classify your chess ability
bulletBeginner levels cater for even the absolute beginning child player
bulletFull range of Handicap levels allowing set opponents 750 Elo to 2700 Elo
bulletGame Navigation, Start, End, forward and backwards including mistake navigation.
bulletOptional on screen VCR style buttons to navigate through the game.
bullet3 different board sizes and screen styles, medium, large and full screen including a move list.
bulletConfigurable display colours.
bulletSupport for high density 320x320 colour graphics including support for Sony 320x320 HiRes.
bulletChoice of Piece Styles including Classic and the new 3D effect Challenger Piece Style - thanks to Bryan Whitby for this piece design.
bulletSide to play icon available in all board/screen configurations.
bulletFull Game Details maintained for each game including, Event, Site, Date, Round, White, Black and Result.
bulletConfigurable auto off timeouts with battery protection.
bullet5 way move entry for smart phones and similar devices, e.g. Treo 600.
bulletSupport for the Shuffle Chess variant of Fischer Random Chess with traditional castling rules.
bulletPreferences like board orientation, move sounds etc.
bulletUnderstands all the rules of chess including draws by 3 fold repetition, 50 move rule and insufficient material.
bulletResign, Offer Draw and even Adjudicate game result
bulletAnalysis features for the advanced player including game analysis, mistake analysis, next best moves etc.
bulletInfinite level options including Sparring levels, casual time levels, time controls including Blitz, Fischer, and traditional time controls.
bulletSupport for 3 configurable time control settings including gain times.
bulletSmart move entry, excellent to save time
bulletMove entry bonus time to give you extra time in Blitz games.
bulletEngine Room full of configuration options for the Hiarcs engine:
- Show thinking including full analysis even during ponder thinking.
- Configurable hash table sizes.
- Choice of 3 playing styles, solid, normal and aggressive.
- Choice of Threat Depths and Combination searches.
- Configurable search selectivities and special search options for Smart and Deep searches.
- Special Avoid draw option.
- Selectable opening books including Wild, Wide, Normal and Tournament.
- Learning of positions.
- Permanent Brain option for absolute top strength.
bulletLarge openings book of variations with free Power books available.
bulletHiarcs supports book learning to give more variety and user pleasure.


To go back to the Palm Hiarcs main page click here.


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"generally I use HIARCS." - Five time World Chess Champion Vishy Anand, in a recent interview when asked what chess program he uses to analyse with
"HIARCS is much better positionally than Deep Blue." - Garry Kasparov 1997 (after game 5 of the rematch)

World Chess Champion, Vishy Anand, used "Powerful" HIARCS machine in preparations for his 2010 & 2012 world title matches

"This level of service is one other big reason to buy HIARCS." - John Jackson

Highest performance reached depends on computer used. Computer Chess Software with world class chess engine playing strength.
HIARCS is designed and developed by Mark Uniacke in England.

*VAT and local sales tax may be applicable. Prices given in GBP, USD and EUR are subject to change without notice.
Other currencies are subject to conversion rates from GBP.

HIARCS is a trademark of Applied Computer Concepts Ltd. All other product trademarks acknowledged.
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