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Shredder (Computer)
  
Number of games in database: 238
Years covered: 1996 to 2014
Overall record: +107 -45 =86 (63.0%)*
   * Overall winning percentage = (wins+draws/2) / total games.

Repertoire Explorer
Most played openings
B90 Sicilian, Najdorf (10 games)
C45 Scotch Game (10 games)
B97 Sicilian, Najdorf (8 games)
E49 Nimzo-Indian, 4.e3, Botvinnik System (5 games)
C67 Ruy Lopez (5 games)
B80 Sicilian, Scheveningen (4 games)
B92 Sicilian, Najdorf, Opocensky Variation (4 games)
D43 Queen's Gambit Declined Semi-Slav (4 games)
E12 Queen's Indian (4 games)
D45 Queen's Gambit Declined Semi-Slav (4 games)

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SHREDDER (COMPUTER)

[what is this?]

The program is authored by Stefan Meyer-Kahlen, Eiko Bleicher and Ingo Bauer and one of its operators is Ernst Walet. Between 2002-5, it was the World Computer Speed Chess Champion, and regained the title in 2007.

References: (1) https://itunes.apple.com/ca/app/shr... (iTunes/AppStore), (2) http://www.shredderchess.com/

https://www.chessprogramming.org/Sh...

Last updated: 2018-11-28 07:35:07

 page 1 of 10; games 1-25 of 238  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. Ferret vs Shredder  1-055199614th World Microcomputer Chess ChampionshipB17 Caro-Kann, Steinitz Variation
2. D Steinwender vs Shredder 1-0171996The Hague AEGOND00 Queen's Pawn Game
3. Ferret vs Shredder  ½-½701999WCCC99C52 Evans Gambit
4. Shredder vs Junior  1-0581999WCCC99C86 Ruy Lopez, Worrall Attack
5. Shredder vs Ferret  ½-½10119999th World Computer Chess ChampionshipA29 English, Four Knights, Kingside Fianchetto
6. C Lutz vs Shredder  ½-½411999WCCC99C80 Ruy Lopez, Open
7. Shredder vs G Mittelman  1-0362000Israeli LeagueE62 King's Indian, Fianchetto
8. Shredder vs G Kaganskiy  ½-½492000Israeli LeagueB17 Caro-Kann, Steinitz Variation
9. Neurologic vs Shredder  0-1412000IPCCCA15 English
10. Shredder vs Diep  1-0612000IPCCCC92 Ruy Lopez, Closed
11. Shredder vs Nimzo-8 1-0312000IPCCCA18 English, Mikenas-Carls
12. Shredder vs Fritz  ½-½1042000IPCCCE12 Queen's Indian
13. Junior vs Shredder  ½-½1002000IPCCCC97 Ruy Lopez, Closed, Chigorin
14. Gandalf vs Shredder 0-1772000IPCCCB21 Sicilian, 2.f4 and 2.d4
15. Shredder vs SOS 1-0302000IPCCC 000E39 Nimzo-Indian, Classical, Pirc Variation
16. V M Golod vs Shredder  ½-½862000Israeli LeagueE38 Nimzo-Indian, Classical, 4...c5
17. Shredder vs I Ben-Menachem  ½-½462000Israeli LeagueD20 Queen's Gambit Accepted
18. E Shein vs Shredder  0-1262000Israeli LeagueB21 Sicilian, 2.f4 and 2.d4
19. Shredder vs B Malisov  1-0362000Israeli LeagueE42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)
20. I Liflend vs Shredder 1-0362000Israeli LeagueA31 English, Symmetrical, Benoni Formation
21. Shredder vs Fritz  ½-½502000WMCCCD14 Queen's Gambit Declined Slav, Exchange Variation
22. E Nemeth vs Shredder 1-0162000Blitz30'E00 Queen's Pawn Game
23. Shredder vs Gambit Tiger 0-1632001Computer Chess Match TournamentE48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5
24. Shredder vs Gambit Tiger  1-0752001Computer Chess Match TournamentE49 Nimzo-Indian, 4.e3, Botvinnik System
25. Shredder vs Gambit Tiger  1-0842001Computer Chess Match TournamentE49 Nimzo-Indian, 4.e3, Botvinnik System
 page 1 of 10; games 1-25 of 238  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Shredder wins | Shredder loses  

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 9 OF 9 ·  Later Kibitzing>
Nov-10-06  Plato: <twinlark> I'm no expert, but my understanding is that the second type of analyses (two consecutive 50 hour sessions) would be more productive. This is because of something known as the "horizon effect."

http://en.wikipedia.org/wiki/Horizo...

Nov-10-06  twinlark:

Thanks <Plato>. BTW Happy 1000th kibitz! Traditionally, this is celebrated around here at Beer.

Feb-01-07  twinlark: SOS

I'm having a problem with my single processor Shredder 10.

I've had to reinstal it (including once or twice after uninstalling it) and when the window pops up asking that the serial number be typed into the five-digit fields, it won't accept them as the "OK" button is greyed out no matter how many times I uninstal or reinstal. (I have registered it online.)

What happens then is that after about ten minutes, a sign pops up saying the serial number is invalid and a couple of minutes later the engine shuts down.

Does anyone know what's going on?

Feb-01-07  twinlark: It's OK, I've sought online support.
Feb-08-07
Premium Chessgames Member
  BishopBerkeley: The ShredderChess website now offers a daily Chess puzzle with three levels of difficulty:

http://www.shredderchess.com/daily-...

Google has included the daily ShredderChess puzzle into the items you can add to your personalized Google homepage:

http://www.google.com/ig/directory?...

http://www.google.com/ig?hl=en

Some very fine websites have offered "plug-ins" that can be added to ones personalized Google homepage. Perhaps <Chessgames.com> should confer with Google on offering the Game of the Day as a Google plug-in!

Just a thought....

(: ♗ Bishop Berkeley ♗ :)

Jun-07-07  get Reti: Has shredder only played 127 games? Is there any way I can see more?
Sep-09-07  minasina: Wikipediassa Chess_engine_rating_lists: http://en.wikipedia.org/wiki/Chess_...
Nov-26-07
Premium Chessgames Member
  WannaBe: Slight annoyance, whenever I start up my Shredder, and do some analysis with it, (usually with infinite analysis) it's slow...

I looked at my task manager, my System Idle is using 80% of the CPU, my Shredder is using 10% with the others going to misc. stuff.

I completely exit my Shredder program, restart it, now it's blazing fast, using 79% of the CPU with the rest going to misc. stuff...

Don't know why exactly, just annoying.

Nov-27-07  hitman84: <WannaBe>I haven't used Shredder but I have faced the problem with other UCI engines.

The problem might be with the hash table size. Does the documentation contain anything about the Hash table ? Its optimal size ? The hash table size and the position is related to each other for a fixed depth. Try experimenting with different hash sizes on your system.

Nov-27-07  Tomlinsky: <WannaBe> I've noticed that it takes a lttle time to settle down when loading its bitbases for the first time.
Nov-27-07  hitman84: I found this very helpful for setting an optimal hash table size.

http://www.chessbase.com/support/su...

Nov-27-07
Premium Chessgames Member
  WannaBe: Well, here is the 'cute' thing, I have .75 gigs of ram on my system, (it came with 256, and I added another 1/2 gig...)

The 'recommended' hash table size is 588 MB, and I did try to use 550 MB for a while, and it is slow! My hard drive goes nuts swapping files...

I lowered it to 400 MB and it doesn't swap as much, but first time running, it's slow (as I described earlier...). So I just exit the program, and restart it.

Mar-25-08  timhortons: [Event "ICC 3 2"]
[Site "Internet Chess Club"]
[Date "2008.03.25"]
[Round "-"]
[White "Matemastr"]
[Black "Habano"]
[Result "1/2-1/2"]
[ICCResult "Game drawn by repetition"]
[WhiteElo "3101"]
[BlackElo "2935"]
[Opening "Ruy Lopez: closed, Keres (...Nd7) defense"] [ECO "C96"]
[NIC "RL.23"]
[Time "07:16:10"]
[TimeControl "180+2"]

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 Nd7 12. d5 Nf6 13. b3 Bd7 14. Nbd2 g6 15. Nf1 Nh5 16. Bh6 Re8 17. N1h2 Bf8 18. Bg5 Be7 19. Bh6 Bf8 20. Bg5 Be7 21. Bh6 Game drawn by repetition
1/2-1/2 shredder 11 versus rybka 2.1 x 64

Jul-25-08  offtherook: Hey, a strong commercial chess program that works with Linux. Has anyone tried this program? What are your impressions of it?
Apr-19-10  topi: Does anyone knows the ELO of Fritz, deep Fritz and Shredder?
Jul-30-10  Xaurus: TCEC Tournament 1 has started.

http://home.halden.net/mordor/tcec/...
http://chessbomb.com/o/2010-tcec/

Apr-02-14  mrandersson: Does anybody know if shredder has stopped now? Last new engine was 2009 would be a shame if that was the case.

I never did buy number 12 but shredder 10 has been a great engine over the years

Nov-04-15
Premium Chessgames Member
  offramp: Did they ever reveal who was playing inside Shredder?
Nov-04-15
Premium Chessgames Member
  TheFocus: ,Did they ever reveal who was playing inside Shredder?>

The grandson of Harry Nelson Pillsbury.

Nov-04-15
Premium Chessgames Member
  tamar: Follow the paper trail.
Feb-08-16  scholes: Please somebody submit this amazing game to database

http://tcec.chessdom.com/archive.ph...

Two engines fighting not to draw each other with plethora of sacrifices and counter sacrifices.

Feb-08-16
Premium Chessgames Member
  AylerKupp: <scholes> Why don't you submit it?
Jan-08-18
Premium Chessgames Member
  WorstPlayerEver: 2017 Shredder again world champion computer chess. Does someone own this program?

Access is denied when I go to the store on shredderchess.com

Sep-04-18  Dr Winston OBoogie:


click for larger view

Wtp mate in 7. I still won in 7 moves because of blacks play but Rc1 here looks to me like you're giving black a free move!

[Event ""]
[Site "Shredder Android"]
[Date "2018.09.04"]
[Round ""]
[White "Player"]
[Black "Shredder"]
[WhiteElo "1741"]
[BlackElo "1875"]
[Comment "16:22"]
[Result "0-1"]

1.e4 c6 2.d4 d5 3.exd5 Qxd5 4.Nc3 Qe6+ 5.Be3 Nh6 6.d5 Qd6 7.Qe2 e6 8.O-O-O cxd5 9.Nb5 Qd8 10.Bxh6 gxh6 11.Qe5 f6 12.Nc7+ Kd7 13.Qc3 Qxc7 14.Qxf6 Nc6 15.Qxh8 Qf4+ 16.Kb1 Qf7 17.Qc3 Qxf2 18.Nf3 Kc7 19.Bb5 Bd7 20.Bxc6 bxc6 21.Ne5 Qxg2 22.Rhf1 Be7 23.Rf7 Re8 24.Qa5+ Kb7 25.Nxd7 Qg4 26.Nc5+ Ka8 27.Rdf1 Qc4 28.Na6 Bd8 29.Rxa7+ Kxa7 30.Rf7+ Be7 31.Nc5+ Kb8 32.Qb6+ Kc8 33.Qb7+ Kd8 34.Qd7# 0-1

Lost on time but I don't count those as losses, I started giving shredder 5 mins instead of 2 or 3 mins.

I think that's the best I've played in months, quite accurate.

Feb-25-20  The Rocket: [Event "Blitz:5'+3""]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Deep Shredder 11 2CPU"]
[Black Adam"]
[Result "1/2-1/2"]
[PlyCount "183"]
[TimeControl "300+3"]

32M♗, Fritz11.ctg, DES♔TO♙-♘DU6FUC 1. e4 16 c6 1 2. d4 17 d5 1 3. e5 20 Bf5 4 4. h4 39 h5 3 5. Nf3 22 e6 9 6. Nbd2 34 Ne7 9 7. Nb3 0 Nd7 15 8. Bd3 29 Bxd3 18 9. Qxd3 0 Nf5 3 10. Bg5 27 Be7 3 11. g3 32 Qb6 16 12. Bxe7 0 Kxe7 10 13. Rd1 4 a5 4 14. O-O 19 Qa6 11 15. Qd2 9 Qb6 9 16. Rb1 7 a4 2 17. Nc1 2 Qa5 2 18. c3 7 b5 9 19. Nd3 13 g6 5 20. Qg5+ 10 Ke8 15 21. Rfe1 14 Qd8 6 22. Qd2 0 Nb8 17 23. b3 12 Qb6 30 24. b4 6 Nd7 8 25. Nc5 9 Nxc5 26 26. dxc5 3 Qc7 4 27. Rbc1 4 Rd8 1 28. a3 7 Qe7 30 29. Kg2 6 Kf8 2 30. Rcd1 0 Kg7 5 31. Qf4 0 Rd7 5 32. Nd4 3 Nxd4 25 33. cxd4 2 Rdd8 5 34. Re2 5 Rdf8 4 35. Rde1 3 Rfg8 1 36. Rc2 4 Kf8 0 37. Rh1 4 Rh7 1 38. Re2 3 Ke8 1 39. Qg5 1 Rgh8 12 40. Qf6 4 Kd7 18 41. f4 2 Qxf6 15 42. exf6 1 Rh6 1 43. Kf3 7 R6h7 0 44. Rhe1 3 Rh6 0 45. Ke3 2 R6h7 0 46. Kf2 1 Rh6 0 47. Re5 2 R6h7 1 48. R1e2 4 Rh6 0 49. Kf3 2 R6h7 1 50. Re1 3 Rh6 0 51. Ke3 7 R6h7 0 52. Re2 4 Rh6 0 53. Kd3 3 R6h7 1 54. Kc2 4 Rh6 1 55. Rf2 5 R6h7 0 56. Rf1 5 Rh6 0 57. Kd2 3 R6h7 0 58. Rfe1 3 Rh6 0 59. R5e2 2 R6h7 0 60. Ke3 2 Rh6 1 61. Kf3 3 R6h7 1 62. Re3 3 Rh6 0 63. R1e2 3 R6h7 1 64. Re5 3 Rh6 1 65. Ke3 4 R6h7 0 66. Kd3 2 Rh6 0 67. Kc2 2 R6h7 0 68. Kd3 3 Rh6 1 69. Re1 3 R6h7 1 70. Ke3 3 Rh6 0 71. Kf2 5 R6h7 0 72. Ke2 2 Rg8 0 73. Kd2 2 Rh6 0 74. R1e2 2 Rh7 0 75. Kc3 2 Rh6 6 76. Re1 2 Rh7 0 77. Kd3 2 Rh6 0 78. Kc2 2 Rh7 0 79. R5e2 2 Rh6 1 80. Re3 3 Rh7 0 81. Kd3 5 Rh6 0 82. R1e2 7 Rh7 0 83. Kd2 6 Rh6 1 84. Re5 6 Rh7 1 85. Ke3 5 Rh6 2 86. Rf2 1 Rh7 1 87. Kd3 4 Rh6 1 88. Kd2 4 Rh7 0 89. Kc3 3 Rh6 1 90. Kd3 3 Rh7 1 91. Rd2 3 Rh6 1 92. Rde2 1 1/2-1/2

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