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Hydra 
Photograph courtesy of hydrachess.com  
Hydra (Computer)
Number of games in database: 31
Years covered: 2004 to 2005
Overall record: +14 -3 =11 (69.6%)*
   * Overall winning percentage = (wins+draws/2) / total games
      Based on games in the database; may be incomplete.
      3 exhibition games, odds games, etc. are excluded from this statistic.

MOST PLAYED OPENINGS
With the White pieces:
 Ruy Lopez (5) 
    C65 C87 C86 C91 C73
 Sicilian (5) 
    B90 B92 B84 B85
With the Black pieces:
 Sicilian (8) 
    B42 B47 B97 B76 B48
Repertoire Explorer

NOTABLE GAMES: [what is this?]
   Hydra vs Adams, 2005 1-0
   Ponomariov vs Hydra, 2004 0-1
   Adams vs Hydra, 2005 0-1
   Hydra vs Ponomariov, 2005 1-0
   Hydra vs Adams, 2005 1-0
   Adams vs Hydra, 2005 1/2-1/2
   Hydra vs Adams, 2005 1-0
   Topalov vs Hydra, 2004 1/2-1/2
   Adams vs Hydra, 2005 0-1
   Hydra vs Fritz, 2004 1-0

GAME COLLECTIONS: [what is this?]
   Computer - GM games 2003-2007 by biglo
   GM vs Computer by larrewl
   Adams vs. Hydra "Man vs. Machine" by Chessbrain
   Keyes by NimbleKnight
   Computer evolution by sibilare
   Carbon Vs Silicon, Man Vs Machine by Tactic101

Search Sacrifice Explorer for Hydra (Computer)
Search Google® for Hydra (Computer)


HYDRA (COMPUTER)

[what is this?]
Brutus (Computer) is its successor.

 page 1 of 2; games 1-25 of 31  PGN Download
Game  ResultMoves Year Event/LocaleOpening
1. Hydra vs E Vladimirov 1-047 2004 Exhibition GameC86 Ruy Lopez, Worrall Attack
2. Topalov vs Hydra ½-½88 2004 Man vs Machine 120'/40+60'D00 Queen's Pawn Game
3. E Vladimirov vs Hydra 0-123 2004 Exhibition GameA07 King's Indian Attack
4. Shredder vs Hydra ½-½72 2004 Abu Dhabi Computer ChallengeB47 Sicilian, Taimanov (Bastrikov) Variation
5. A Nickel vs Hydra 1-043 2004 Corr. Chess MatchB48 Sicilian, Taimanov Variation
6. Shredder vs Hydra ½-½69 2004 14th Abu Dhabi Chess FestivalB42 Sicilian, Kan
7. Ponomariov vs Hydra 0-133 2004 Man vs Machine 120'/40+60'E15 Queen's Indian
8. Shredder vs Hydra 0-151 2004 14th Abu Dhabi Chess FestivalB97 Sicilian, Najdorf
9. Hydra vs Shredder 1-047 2004 Abu Dhabi Computer ChallengeB92 Sicilian, Najdorf, Opocensky Variation
10. Hydra vs A Nickel 0-154 2004 Corr. Chess MatchC07 French, Tarrasch
11. Hydra vs Shredder ½-½96 2004 14th Abu Dhabi Chess FestivalB85 Sicilian, Scheveningen, Classical
12. E Vladimirov vs Hydra ½-½41 2004 Abu Dhabi ChallengeE12 Queen's Indian
13. Hydra vs Shredder 1-038 2004 Abu Dhabi Computer ChallengeB90 Sicilian, Najdorf
14. Hydra vs Ponomariov 1-038 2004 Man vs Machine 120'/40+60'B84 Sicilian, Scheveningen
15. Shredder vs Hydra ½-½38 2004 14th Abu Dhabi Chess FestivalE59 Nimzo-Indian, 4.e3, Main line
16. Shredder vs Hydra 1-031 2004 4th Intl.CSVNB76 Sicilian, Dragon, Yugoslav Attack
17. Hydra vs E Vladimirov 1-037 2004 Exhibition GameC73 Ruy Lopez, Modern Steinitz Defense
18. Hydra vs Karjakin 1-059 2004 Man vs Machine 120'/40+60'C65 Ruy Lopez, Berlin Defense
19. Hydra vs Shredder ½-½43 2004 14th Abu Dhabi Chess FestivalB90 Sicilian, Najdorf
20. Hydra vs Fritz 1-047 2004 IPCCCA00 Uncommon Opening
21. Hydra vs Adams 1-041 2005 Adams vs Hydra MatchC87 Ruy Lopez
22. Hydra vs Ponomariov 1-029 2005 2nd Festival Internacional de Ajedrez Man-MachineC05 French, Tarrasch
23. Adams vs Hydra 0-150 2005 Adams vs Hydra MatchB23 Sicilian, Closed
24. Khalifman vs Hydra ½-½41 2005 2nd Festival Internacional de Ajedrez Man-MachineD02 Queen's Pawn Game
25. Hydra vs Adams 1-028 2005 Adams vs Hydra MatchC91 Ruy Lopez, Closed
 page 1 of 2; games 1-25 of 31  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Hydra wins | Hydra loses  
 

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 43 OF 43 ·  Later Kibitzing >
Oct-22-06   Dionyseus: Hydra loses again against Rybka 2.1omp:

[Event "4th PAL-CSS Freestyle Tournament – Fina"]
[Site "playchess.com #078858"]
[Date "2006.10.22"]
[Round "1.1"]
[White "Nebula, Rybka 2.1o mp"]
[Black "Zor_champ"]
[Result "1-0"]
[ECO "C99"]
[WhiteElo "2484"]
[BlackElo "2560"]
[PlyCount "116"]
[EventDate "2006.10.22"]
[EventType "match (rapid)"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 a5 15. Be3 a4 16. Nbd2 Nb4 17. Bb1 Bd7 18. a3 Nc6 19. Bd3 Na5 20. Qe2 Qb8 21. Rac1 Re8 22. Rc2 h6 23. Rec1 Bd8 24. dxe5 dxe5 25. Nh4 Bb6 26. Nf5 b4 27. Rd1 Bxf5 28. exf5 Bxe3 29. Qxe3 Nb3 30. Ne4 Nd5 31. Qg3 Rd8 32. Bc4 Nf4 33. Rxd8+ Qxd8 34. f6 g6 35. Bxb3 axb3 36. Qxb3 bxa3 37. bxa3 Rb8 38. Rd2 Qc7 39. Qd1 Ne6 40. Rc2 Qa7 41. Qc1 Kh7 42. Kh2 Ra8 43. Rc3 Rd8 44. f3 Qa4 45. Qb1 Qa7 46. h4 Kg8 47. Rc6 Qd4 48. Qc2 g5 49. hxg5 hxg5 50. a4 Qd1 51. Qf2 Qd5 52. Qb6 Ra8 53. a5 g4 54. Qb7 Rf8 55. a6 Qa2 56. Rb6 gxf3 57. Rb2 Qa1 58. a7 Qc1 1-0

Oct-22-06
Premium Chessgames Member
  notyetagm: <Dionyseus> So Hydra has lost to 3(!) Rybkas!

Wow, that is some advertisment for Rybka. Adams couldn't beat Hydra once but Rybka has done it three striaght times!

Oct-22-06   Dionyseus: Looks like Hydra is losing yet another game to Rybka 2.1o, I'll post pgn once the game is done.
Oct-22-06   Dionyseus: Hydra lost yet again to Rybka 2.1o, ending up last place with only 3 out of 9 points.

[Event "4th PAL-CSS Freestyle Tournament – Fina"]
[Site "playchess.com #078877"]
[Date "2006.10.22"]
[Round "1.1"]
[White "Zor_champ"]
[Black "Icy45, Rybka 2.1o mp"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "2538"]
[BlackElo "2466"]
[PlyCount "124"]
[EventDate "2006.10.22"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. O-O-O Nxd4 10. Bxd4 Be6 11. Kb1 Qa5 12. a3 Rab8 13. f4 Rfc8 14. Rhe1 b5 15. Nd5 Qxd2 16. Rxd2 Bxd5 17. exd5 Ne4 18. Rdd1 Nc5 19. Bg4 f5 20. Bf3 Bxd4 21. Rxd4 Kf7 22. c3 a5 23. Kc2 Rc7 24. Ra1 Nd7 25. g3 Rc4 26. Rxc4 bxc4 27. Rd1 Rb5 28. Be2 Rc5 29. Bf3 Nb6 30. Kc1 Kf6 31. Rd4 h6 32. h3 Kg7 33. Kc2 Rb5 34. Kc1 Kf6 35. Rd2 g5 36. Rd4 Kg6 37. Rd2 Kf7 38. Bh5+ Kf6 39. Bf3 Kg6 40. Rd4 Rc5 41. Kc2 Kh7 42. Bg2 g4 43. Kc1 h5 44. h4 Kg6 45. Rd2 Kg7 46. Rd1 Kf7 47. Rd4 Kf6 48. Rd1 Rc8 49. Bf1 Nd7 50. Rd4 Nc5 51. Bxc4 Ne4 52. Bd3 Nxg3 53. Kd2 Nh1 54. Ke3 Rg8 55. Be2 Ng3 56. Bd3 Ne4 57. Bxe4 fxe4 58. Kxe4 g3 59. Rd1 g2 60. Rg1 a4 61. Ke3 Kf5 62. Kf3 Rg4 0-1

Oct-22-06
Premium Chessgames Member
  notyetagm: <Dionyseus> Good Lord, Hydra lost four(!) games to Rybka!

Seems like Rybka 2.1o is just much stronger than Hydra. Astounding.

Oct-24-06   llauro: Yes, since the Rybka has become MultiProcessor and can run in 4 or 8 highspeed (Intel) cores, it seems it's enough to crush the 32 or 64 1-or-2-year old CPUs with a (it seems) simple brute forze program.

I think Zor_Champ should have used Rybka 2.1o if wanted to win the FreeStyle :)

It's a pitty we will never see a Kramnik-Rybka or Topalov-Rybka or anyhuman-Rybka match.

After this result, Hydra should became opensource to try to catch the Rybka!

Oct-25-06
Premium Chessgames Member
  ahmadov: But why there is not game of Hydra vs Rybka in this database? I cannot believe that Rybka is stronger than Hydra.
Oct-25-06   THE pawn: I believe during centaur games the man makes the difference, not the computer. So rybka is probably backed up by better players, but during a real game, Hydra would beat Rybka, or it would at least be a much more equal match, these centaur games do not mean anything.
Oct-31-06   spirit: <It's a pitty we will never see a Kramnik-Rybka or Topalov-Rybka or anyhuman-Rybka match.> <llauru> why?

Nov-09-06   MarvinTsai: So no human being has beat down this thing yet? Terrible...

I really want to see Kramnik(Topalov) makes a sacrifice before the win about 30 moves ahead, and Rybka(Hydra) doesn't have a clue what's going on until position suddenly being so bad. But this is just what I think.

Nov-09-06   jamesmaskell: Our own Arno Nickel beat down this thing...twice. Look on the game list. White and Black. It was in correspondence play though.
Nov-09-06   jhoro: Good news is that Rybka (Computer) is beating it on a regular bases these days. in the last Freestyle Championship Zor_champ (Hydra) finished dead last with 3/9

http://www.chessbase.com/newsdetail...

Nov-09-06   jhoro: I read what was said above and I'd agree there are times when centaur mode is better, but there are many cases when it is just the opposite. According to GMAN's article (the link above) Icy45 was 2/6 in centaur mode and 1.5/3 in pure comp mode.

To Hydra's defence, GMAN thinks that it did not play to its potential. It started 2/3, but then it went down big time. People speculated that they were using something else. We don't know but Hydra has for sure had hard time at the Freestyle tournaments since Rybka started playing this year.

Jan-25-07   schlechtj: First of all, there is no point in Hydra becoming open source because it's advantage is in it's hardware, special chess field programmable chips that calculate nothing but chess positions. Hydra it's self is pretty dumb as far as modern chess programs go, just a lot faster. Its great to see rybka giving this thing a thrashing. The arabs are pouring millions into this huge chess computer trying to get recognition by whipping out their oil money. But, its a case of brains over brawn. Rybka is not that fast but it is using real chess knowlodge. Even though humans probably can no longer keep up with computers of the highest level it is still a matter of man vs. machine. Rybka is showing us that a mans chess knowlodge when applied properly to a chess program can still whip something that is purley built for speed (by a factor of probably a thousand!). Vas is the first IM to program a chess program an look at the results. Hopefully we will soon have a GM who can program apply his knowlodge to a chess program. Now THAT would be something.
Feb-08-07   afioonov: It is beautifull too see how hydra is being crushed.Arabs+British worms thought,they have the final solution for chess,but freestyle championships proved them wrong.Chess still needs the creativity of humans to be alive.I would like to thank Arno nickel for his beautifull wins over hydra in 2004 and the Czech Xakru for crushing this stupid machine.I can see arabs crying over their final solution.
Feb-08-07   LoFarkas: The Hydra team should hire Vasik Rajlich to write a better program for them... and do it double quick before they get really badly embarrassed.
Feb-08-07   truefriends: Nickel defeated an earlier version called Scylla... The final and full version of Hydra has NEVER been beaten! please show me the game against Xakru as i cant find it here on chessgames.com
Feb-08-07   truefriends: <Assassinater>: according to the Xakru game my Fritz finds it very hard to understand the white play. BUT after a long think it only finds a DRAW in the final position!
Feb-28-07   TheHurricane3: If Hydra was ever a person he would be non other than Shaquille O'Neal.
Feb-28-07
Premium Chessgames Member
  WannaBe: Yes, I bet Hydra can't make a free-throw either. :-))
Feb-26-08   The Rocket: why is not hydra on this list?:http://www.computerchess.org.uk/ccr... does it go by another name?, and why was not hydra in in the 2007 world computer championships(or was it?)
Jun-25-08   Balthasar: Is Hyrra active in the computer chess scene?

The last game it played in this database is in 2005...

Nov-24-08
Premium Chessgames Member
  Open Defence: I wonder if Rybka scales to that hardware
Apr-23-09   myschkin: . . .

http://www.google.de/interstitial?u... ... conficker.hy32 ?

maybe a false positive

Apr-23-09   MaxxLange: maybe wherever their site is hosted is pwned, too
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