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Zarkov (Computer)

Number of games in database: 16
Years covered: 1990 to 1997
Overall record: +2 -14 =0 (12.5%)*
   * Overall winning percentage = (wins+draws/2) / total games.

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Most played openings
A07 King's Indian Attack (2 games)
C34 King's Gambit Accepted (2 games)


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ZARKOV (COMPUTER)
(born 1988)

[what is this?]

John Stanback began developing Zarkov in 1988 after testing it against versions similar to a Excellence 4 mhz (Computer) computer. By 1989, its second version emerged in mail order from a company called Chess Laboratories. Grandmaster Chess licensed Zarkov 2.5 for a release as 1991 came to a close. Forte C for the Novag (Computer) and Saitek's Leonardo computers were sparring opponents that helped him and Max Harrell test its 3rd version in 1994. It placed 2nd in the ACM 1994 computer chess tournament.

Marc Leski joined the team for version 4 which was being developed for, but not - because of a cancellation with - Electronic Arts. Versions prior to 4.5 (unreleased - but could run as a Winboard engine) and back to 4.0.x could be run through Bookup and Chess Assistant programs and could be purchased through a company called Chess for Less. Zarkov 5 was released as a DLL file to run with the Millenium Chess Genius (Computer) 6 interface.

References: http://john.stanback.net/zarkov/zar... , https://www.chessprogramming.org/Za...

Last updated: 2018-11-28 07:33:04

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 page 1 of 1; 16 games  PGN Download 
Game  ResultMoves YearEvent/LocaleOpening
1. Deep Thought vs Zarkov  1-037199021st NACCCA36 English
2. S Kelley vs Zarkov  1-0261991NarcosseeC34 King's Gambit Accepted
3. Deep Thought vs Zarkov  1-0571991ACM AlbuquerqueC99 Ruy Lopez, Closed, Chigorin, 12...cd
4. Bronstein vs Zarkov 1-0481992AegonE90 King's Indian
5. Zarkov vs Fischer 0-1261992Blitz gameA45 Queen's Pawn Game
6. Zarkov vs M Pam 0-1521993Aegon TournamentC34 King's Gambit Accepted
7. Deep Thought vs Zarkov  1-041199424th NACCCC39 King's Gambit Accepted
8. Benjamin vs Zarkov  1-05619945th Harvard CupD37 Queen's Gambit Declined
9. Zarkov vs Gulko  0-15619945th Harvard CupB74 Sicilian, Dragon, Classical
10. Zarkov vs Shabalov  0-15119945th Harvard CupD44 Queen's Gambit Declined Semi-Slav
11. Zarkov vs Yermolinsky 1-06919945th Harvard CupB57 Sicilian
12. Zarkov vs K Burger  0-1331995-A07 King's Indian Attack
13. Nunn vs Zarkov  1-0641995The Hague AEGONC77 Ruy Lopez
14. Zarkov vs K Burger  0-1531996SR 10 15 8/8A07 King's Indian Attack
15. S Polgar vs Zarkov 0-1401996The Hague AEGONB17 Caro-Kann, Steinitz Variation
16. Seirawan vs Zarkov  1-0401997The Hague AEGONA65 Benoni, 6.e4
 page 1 of 1; 16 games  PGN Download 
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Zarkov wins | Zarkov loses  

Kibitzer's Corner
Oct-15-05  Benzol: Named after the "Flash Gordon" character Dr Zarkov?
Jul-30-12  wordfunph: IM Timothy Taylor from his book How to Defeat the Smith-Morra Gambit 6...a6

<Zarkov, a courteous gentleman of the old school (he always says "Congratulations!" when he loses), came on a floppy disk and fit nicely into my personal computer. He announces himself as version 2.61 - he plays a decent master level game.>

Jul-30-12  whiteshark: "<Zarkov>, a commercial chess program by John Stanback.

The first version in 1989 was similar to John's GNU Chess 2.0, but used other data structures based on 0x88 and run under the MS-DOS operating system on PCs with its own GUI.

In 1990, John Stanback discovered a new pruning technique, a combination of evaluation heuristics and reduced depth search, which was implemented in Zarkov 2.5, also market as Grandmaster Chess. Zarkov (Computer) stores positions in which the score changes significantly between a shallow search (about 2 plies) and a deeper search into a Persistent Hash Table, retrieved at the start of each game to make Zarkov (Computer) remember positions from previous games in its search to avoid worse positions in advance."

...

Source: http://chessprogramming.wikispaces....

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