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REBEL (Computer)
Number of games in database: 102
Years covered: 1986 to 2001
Overall record: +47 -27 =28 (59.8%)*
   * Overall winning percentage = (wins+draws/2) / total games.

Repertoire Explorer
Most played openings
A00 Uncommon Opening (4 games)
D45 Queen's Gambit Declined Semi-Slav (3 games)
C10 French (3 games)
D00 Queen's Pawn Game (3 games)
B93 Sicilian, Najdorf, 6.f4 (3 games)
B06 Robatsch (3 games)
A07 King's Indian Attack (3 games)
C42 Petrov Defense (3 games)
D02 Queen's Pawn Game (3 games)
C45 Scotch Game (3 games)

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(born 1980) Netherlands

[what is this?]

First developed on a TRS-80, it is programmed by Ed Schröder, & Jeroen Noomen also assisted with its development. Later on, it changed its name to Gideon and ported to Mephisto (Computer) hardware devices, Microsoft DOS & Windows, & the Apple II. After having experienced commercial success, it is currently free, going by another name which it has currently adopted, the Pro Deo version. For a short time, TASC produced Ch M Gideon WK (Computer) as a small hardware unit for playing against REBEL (Computer) (aka Gideon) or The King (Computer) personalities, depending on which card was purchased. Chess Tiger (Computer) is a successor to some of its 11th major release version components.


Last updated: 2016-11-26 04:26:58

 page 1 of 5; games 1-25 of 102  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. Hitech vs REBEL  1-0271986ch-World COMPC33 King's Gambit Accepted
2. Plymate Roma vs REBEL  0-143198717+12C56 Two Knights
3. Deep Thought vs REBEL  1-0381989Reno NACCCB17 Caro-Kann, Steinitz Variation
4. Deep Thought vs REBEL  1-0521989Edmonton WCCCB17 Caro-Kann, Steinitz Variation
5. Bronstein vs REBEL 1-0461990AEGON Den HaagB14 Caro-Kann, Panov-Botvinnik Attack
6. Gulko vs REBEL  1-0501994Fifth Harvard CupD00 Queen's Pawn Game
7. REBEL vs Yermolinsky  0-1401994Boston Harvard CupE11 Bogo-Indian Defense
8. REBEL vs Joel Benjamin  ½-½86199410, Fifth Harvard CupB44 Sicilian
9. Shabalov vs REBEL 1-0501994Harvard CupB12 Caro-Kann Defense
10. Van der Wiel vs REBEL  1-0411996The Hague AEGONC42 Petrov Defense
11. Yusupov vs REBEL  1-0261997Ischia rapid mB50 Sicilian
12. REBEL vs Yusupov  1-0461997Ischia blitz mD30 Queen's Gambit Declined
13. N Pinal vs REBEL  0-1601997SANTO DOMINGO,SAMANEL IIIC42 Petrov Defense
14. REBEL vs Yusupov  ½-½241997Ischia rapid mC42 Petrov Defense
15. G S Hernandez vs REBEL  0-1461997SANTO DOMINGO,SAMANEL IIIA15 English
16. Yusupov vs REBEL  0-1401997Ischia blitz mD00 Queen's Pawn Game
17. REBEL vs Yusupov  1-0241997Ischia blitz mC15 French, Winawer
18. L Arzeno vs REBEL  1-0381997SANTO DOMINGO,SAMANEL IIIC92 Ruy Lopez, Closed
19. REBEL vs Yusupov  1-0511997Ischia rapid mA13 English
20. REBEL vs J Arciniegas  1-0161997SANTO DOMINGO,SAMANEL IIIC79 Ruy Lopez, Steinitz Defense Deferred
21. Yusupov vs REBEL 1-0351997Ischia blitz mD00 Queen's Pawn Game
22. Yusupov vs REBEL  1-0401997Ischia rapid mA45 Queen's Pawn Game
23. REBEL vs Yusupov  ½-½401997Ischia rapid mA09 Reti Opening
24. F Cabrera vs REBEL  0-1401997SANTO DOMINGO,SAMANEL IIIA88 Dutch, Leningrad, Main Variation with c6
25. Yusupov vs REBEL  0-1541997Ischia blitz mA99 Dutch, Ilyin-Genevsky Variation with b3
 page 1 of 5; games 1-25 of 102  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | REBEL wins | REBEL loses  

Kibitzer's Corner
Premium Chessgames Member
  BishopBerkeley: The strong Chess program known as "Rebel" has been renamed: it is now "Pro Deo 1." According to this recent rating list, it is the strongest of the free UCI Chess engines:

It may be run under WinBoard, Arena, or most of the Chessbase interfaces. You may download it free of charge here:

(: ♗B :)

Jun-28-05  waddayaplay: I have submitted the game between Smyslov and Rebel played in April 2000. Should appear withing the next week :)
Jun-28-05  PawnOfTheDead: So this is who David Bowie was singing about.
Jun-28-05  csmath: Pro Deo is quite strong, it is very aggressive as well so it is a fun to play. At this point it is probably comparable to Fritz. Meaning it is as strong as Fritz and yet it is free. However there is no multicore/multiprocessor version which makes it significantly weaker on that kind of hardware.
Jul-01-05  waddayaplay: If anyone wants info on its match with Anand in 1998, go here
Dec-21-05  karlth: Is "Pro Deo 1" still the most "human" chess engine - as Rebel advertised itself?
Dec-23-05  EmperorAtahualpa: I have submitted the REBEL - Anand games to the database. I hope <> will put them up soon.
Dec-23-05  EmperorAtahualpa: I'm afraid that's just an advertisement slogan, <karlth>. You don't seriously expect a computer to imitate the human mind, do you?
Dec-23-05  karlth: No human as in human playing style.

Dec-23-05  EmperorAtahualpa: <karlth> That's what I meant.
Sep-11-08  sallom89: Can Rebel hold it against Rybka 3?
Feb-20-09  WhiteRook48: well, maybe he can REBEL against the match before it happens
Jun-19-09  Octal: It's just a rebel with no cause.
May-04-10  Raisin Death Ray: Has a bitter rivalry with Yank!
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