Deep Shredder For Mac

First, the preamble, in case you missed it from my last McChess article. At the moment, I run OS X and only OS X, so although Shredder Chess comes in Linux and Windows flavours, I won’t say much, if anything, about the alternative platforms. You also may have noticed from my last article that I don’t say anything about the strength of the chess engines. I’m not anywhere near being a good enough chess player to evaluate such things. In fact, since all the major chess programs rate in the mid to upper 2000s on the Elo scale, chess engine strength will probably never be a concern to me. Or for most other chess players, for that matter. Unless, of course, you are the type that likes to use software to cheat during your online matches, but let’s not delve into that mess, shall we?
So, on to the review!
Shredder Chess comes in three versions for the Mac: Shredder Classic 3, Shredder 11, and Deep Shredder 11. The user interfaces are pretty much the same for all three, with the real distinctions among them being under the hood. Classic is sort of the starter version of Shredder with a slower and less powerful engine. The midrange version is Shredder 11 which has the latest and strongest engine, while Deep Shredder has the same guts behind it, but will load balance calculations in parallel if you have multiple cores or multiple CPUs, giving you a benefit of faster calculations.
More important for the chess bottom feeders such as myself is the user Interface. This is far and away the best chess UI I have used on the Mac. It has a minimalist look to it, which I appreciate. The menu system is (mostly) right at home on OS X. Options and actions are (mostly) where you would expect them, and (mostly) work the way you would expect. The graphical elements a simple but beautiful.
There’s a reason for all the parenthetical “mostlies” in the preceding paragraph, because there are a few bits of weirdness lurking in the UI that will perplex at least a few virgin Shredder players.
The first of the oddities is the Mode -> Levels dialog box. This is strangely modal [sic]. At the top of the box are the buttons for “Time Per Move,” “Blitz,” and “Time Controls.” That is all well and good, except that those three options are mutually exclusive, so whichever of the three is being displayed in the dialog box is the time control being used. You’ll note that the “Limit Strength” slider is at the bottom of the box for each time control option. This probably isn’t the greatest of explanations, but as soon has you give Shredder Chess a try, you’ll see what I mean. If you compare this dialog box to similar boxes in other OS X applications you’ll understand just how counterintuitive this all is.
The next somewhat dubious bit of the interface involves saving and loading PGN files. Shredder keeps games in what it calls “databases.” Basically this just means that the PGN data for each game are stored in a multi-game PGN file, which is what Shredder calls a “database” (Not to be confused opening book databases). So, you can load a game from a single game PGN file, but to save a game, it must be added to one of these database files, or you can create a new database file into which you save the current game. Again, this is a bit of an awkward description, but that just goes to show how bizarre this saving/loading thing works. At any rate, it’s highly unintuitive to the uninitiated.
One more complaint: If you want to pause a game, you choose Edit -> Stop Clock. That’s all well and good (although I don’t consider stopping the clock to be a form of editing, but let’s ignore that point for the moment). However, there is no “Start Clock” to be found. Instead, to get the clock moving again, you simply make your next move.
Considering how well Shredder Chess is put together, I don’t think any of the previous problems are accidents of inattention. In fact, once you realize what is going on, they are actually much more efficient methods of controlling the software. It’s a bit like how some folks feel about the command line. Many find it cryptic to learn, but once you get the hang of it, the command line method is actually the most logical and elegant solution.
Unlike most chess software, at least as far as I can tell, there is no window that displays the captured pieces. This oversight is a bit surprising. I mean, let’s face it, even in OTB play you don’t have to count pieces; you just look at the side of the board to see what’s been captured.
Having got all that out of the way, I’ll give a rundown of the major features of Shredder.
Shredder has most of the options you would expect in a top-notch chess program. Customizing your opponent’s style and strength of play is straight-forward, if a bit hard to find. Preferences -> Engine Options -> Extended will land you in the spot you’re looking for. Here you’ll find lots of goodies, like your opponents preference for certain pieces, preferences for making combinations, preferences for aggressiveness, and so on.
There are options for installing your own chess engine and for adding your own opening book. Apparently there is a large online database of games that you can subscribe to, although I haven’t done that just yet.
You may recall from my review of Chessmaster that my main interest in that bit of software comes from all the learning tools it contains. For better or worse, Shredder Chess has little of that stuff. None of the chess lessons or drills or exercises. It will show you hints and threats, and if you turn on the “Chess Coach,” Shredder will happily tell you when you are about to make a boneheaded move. On the other hand, I find the analysis in Shredder to be more useful than that in Chessmaster. Admittedly, the analysis in Shredder is rather cryptic to a chess n00b like myself, but once you get used to it, I much prefer the Shredder style. Related to analysis is the histogram window, which is great when you are looking for where you went wrong in the game you are analyzing. Just run the game through the analyzer and look for the big spike in the histogram to find where your big mistake occurred.
Shredder Chess has no auto-annotation. At first, this seemed like a big plus for Chessmaster, but, as it turns out, this feature in Chessmaster is almost useless, so I don’t mind it’s omission in Shredder.
And, as they say, that’s that. I’m Stick, reporting from down on the gridiron. Back to you, Bob.

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• Deep Shredder 13 Mac is a professional computer chess program by Stefan Meyer-Kahlen, the eighteen times world computer chess champion. It combines extremely powerful play with easy handling. The play of the program can be variably adjusted to any strength, so.
• My biggest disappointment with Deep Shredder 11 for Mac is that it does not enable user creation of opening books as does Shredder for PC. Having bought Shredder 9 and Shredder 10 for PC, I am not about to buy v.12 for Mac. Sigma Chess HIARCS is way more full-featured program for Mac, IMHO.
• Is the best Shredder for with multiple processors or one multi core processor. The best Shredder for Apple.processor. Deep Shredder 12 Mac.comparable to Shredder 12 Mac.

Book Review: Back To Basics: Tactics

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Shredder,
a chess engine by Stefan Meyer-Kahlen (SMK). Shredder won an astonished number of tournaments and titles, beside various World Computer Chess Championships, World Microcomputer Chess Championships and World Chess Software Championships, the IPCCC, the International CSVN Tournament, the CSVN Programmers Tournament, and more. Shredder had its debut at the WMCCC 1995 in Paderborn, and soon after winning the first title at the WMCCC 1996 in Jakarta, Shredder went commercial, distributed by Millennium 2000 GmbH - since Shredder 3 along with the Millennium Chess System (MCS), since Shredder 5 also developed by SMK supporting the UCI protocol, which was co-designed and implemented by the same author. Therefore Shredder may use any UCI-compatible graphical user interface, in particular its own Shredder Classic GUI. The long-awaited Shredder 13 and its multiprocessor counterpart Deep Shredder 13 were released on October 30, 2016.

• 1Photos & Games
• 14Forum Posts
• 15External Links

WCCC 1999

WCCC 1999, round 6: Ferret - Shredder, Stefan Meyer-Kahlen and Bruce Moreland^[2][3]

WCSC 2015

WCSC 2015, Shredder is winning the first blitz play-off game with Black vs. Ginkgo operated by Ingo Bauer

Quote from Shredder Chess^[4] :The Shredder chess programs by Stefan Meyer-Kahlen provide a game playing and analysis tool for everybody and are accepted as one of the best chess programs of the world. Since 1996 Shredder has won twenty titles.

1. 1996 World Micro Computer Chess Champion in Jakarta
2. 1999 World Micro Computer Chess Champion in Paderborn
3. 1999 World Computer Chess Champion in Paderborn
4. 2000 World Micro Computer Chess Champion in London
5. 2001 World Micro Computer Chess Champion Single CPU in Maastricht
6. 2002 World Computer Chess Blitz Champion in Maastricht
7. 2003 World Computer Chess Champion in Graz
8. 2003 World Computer Chess Blitz Champion in Graz
9. 2004 World Computer Chess Blitz Champion in Ramat Gan
10. 2005 World Computer Chess Blitz Champion in Reykjavik
11. 2006 World Computer Chess960 Champion in Mainz
12. 2007 World Computer Chess Blitz Champion in Amsterdam
13. 2009 World Computer Chess Champion in Pamplona
14. 2009 Computer Olympiad (no hardware limit) in Pamplona
15. 2009 World Computer Chess Blitz Champion in Pamplona
16. 2010 World Computer Chess Blitz Champion in Kanazawa
17. 2010 World Computer Chess Software Champion in Kanazawa
18. 2013 World Computer Chess Blitz Champion in Yokohama
19. 2015 World Computer Chess Software Champion in Leiden
20. 2017 World Computer Chess Software Champion in Leiden

Description given in 1999 from the ICCA tournament site ^[5] :

Since Shredder is written in C, it is available for various hardware platforms, such as PC, Macintosh, and PDAs, and various operating systems like Windows, Linux^[6] and Mac OS^[7] .

Clever & Smart was an experimental triple-brain version of Shredder which played the IPCCC 1998.

Deep Shredder, first released in 2001 based on Shredder 5^[8], is the multiprocessor version of Shredder. The most recent version, Deep Shredder 13^[9] released on October 30, 2016 ^[10], is the further developed 2015 World Computer Chess Software Champion, which was a complete rewrite based on bitboards. Deep Shredder 13 has improved more than 300 Elo over Shredder 12 ^[11].

Shredder and Deep Shredder come with a clear and reliable graphical user interface which evolved from the Millennium Chess System - supporting the universal chess interface^[12], also compatible with other UCI engines running under Windows, Linux or Mac OS. The Shredder GUI is favoured by many programmers playing over the board tournaments with their engines, for instance Johannes Zwanzger and his WCCC 1995 winner Jonny.

Jonny's final WCCC 2015 screen in the game versus HIARCS using the Shredder GUI

Pocket Shredder is a version for WindowsPDAs, such as iPAQ^[13] .

Shredder Mobile runs on most mobile phones with Java^[14] .

Shredder for Android runs on all phones and tablets with at least Android 4 as well as on all Kindle Fire phones and tables since the 2nd generation^[15].

Shredderbases are compact, proprietary endgame bitbases for up to 5 men with WDL information, suited to use inside the search^[16].

• Shredder 1.0: 1996
• Shredder 2.0: 1998
• Shredder 3.0: 1999
• Shredder 4.0 : 2000
• Shredder 5.0 : 2001
• Shredder 5.32 : June 2001
• Shredder 6.0 : December 2001
• Shredder 7.0 : December 2002
• Shredder 7.04 : 2003
• Shredder 8 : February 2004
• Shredder Classic 1.1 : October 2004
• Shredder 9 : February 2005
• Shredder 9.1 :
• Shredder 9.12 : December 2005
• Shredder Classic 1.3 : ?
• Shredder 10 : June 2006
• Shredder 10.1 : April 2007
• Shredder 11 : October 2007
• Shredder 11 SE
• Shredder WM Edition Bonn : October 2008
• Shredder 12: October 2009
• Shredder 12 SE
• Shredder Classic 4 : November 2011
• Deep Shredder 13: October 30, 2016

• Tom King (2000). Shredder wins the 17th World Microcomputer Chess Championship. ICGA Journal, Vol. 23, No. 3 » WMCCC 2000
• Theo van der Storm (2004). Shredder Shows Strength in International CSVN Tournament. ICGA Journal, Vol. 27, No. 3 » ICT 2004
• Eric van Reem (2006). Shredder Wins Second Chess960 Computer-Chess World Championship. ICGA Journal, Vol. 29, No. 4 » Chess960CWC 2006
• Matej Guid, Ivan Bratko (2007). Factors affecting diminishing returns for searching deeper. CGW 2007 » Crafty, Rybka, Shredder, Diminishing Returns
• Matej Guid, Ivan Bratko (2007). Factors affecting diminishing returns for searching deeper. ICGA Journal, Vol. 30, No. 2, pdf

1996 ...

• Information about Shredder by Stefan Meyer-Kahlen, rgcc, October 22, 1996
• Shredder2 by Mike Cooter, rgcc, July 26, 1998
• What's wrong with Shredder? by Stefan Meyer-Kahlen, CCC, February 19, 1999
• Re: Chess Genius 6.5 by pc...@delthis.co.uk, rgcc, November 24, 1999 » Chess Genius, Millennium Chess System

2000 ...

• Shredder in the SSDF list by Stefan Meyer-Kahlen, CCC, April 10, 2000 » SSDF
• Shredder wins the WMCCC 2000 by Enrique Irazoqui, CCC, August 25, 2000 » WMCCC 2000
• Shredder 5 by Stefan Meyer-Kahlen, CCC, November 17, 2000
• Shredder5 patch by Stefan Meyer-Kahlen, CCC, December 06, 2000
• Wb2Uci from Odd Gunnar Malin is working well on Shredder5 GUI by Carlos E.A. Drake, Winboard Forum, March 06, 2002 » Wb2UCI
• Shredder and Engine Book Learning by Stephen Ham, CCC, April 24, 2003 » Book Learning
• Shredder wins in Graz after controversy by Darse Billings, CCC, December 09, 2003
• Shredder 8 secret: search depth? by Jouni Uski, CCC, March 23, 2004

Re: Shredder 8 secret: search depth? by Vasik Rajlich, CCC, March 23, 2004 » Depth, Junior, Fritz

Deep Shredder For Mac Pro

2005 ...

• Shredder 9 improvements over Shredder 8 by Sandro Necchi, CCC, January 28, 2005
• Shredder 9 by Alex Shalamanov, CCC, December 26, 2005
• Non-deterministic behaviour of Deep Shredder - REALLY interesting by George Sobala, CCC, December 31, 2005
• Shredder Classic 1.3 by phili_ppe, CCC, January 09, 2006
• Shredder 10 by John Jack, CCC, February 17, 2006
• Shredder 10.1 now released by AGove, CCC, April 11, 2007
• Shredder for iPhonet by Stefan Meyer-Kahlen, CCC, July 06, 2007
• Deep Shredder 11 by AGove, CCC, October 11, 2007
• Shredder 11 Linux by Kurt Utzinger, CCC, June 08, 2008
• UEP Shredder WC Edition by Ingo Bauer, CCC, October 18, 2008
• Shredder 12 infos and release date by Ingo Bauer, CCC, October 03, 2009
• Deep Shredder 12 Linux by Kurt Utzinger, CCC, October 11, 2009
• Differences between Shredder12 and Shredder Classic 4? by Volker Pittlik, CCC, October 14, 2009
• Shredder for Android by Stefan Meyer-Kahlen, CCC, November 17, 2009

2010 ...

• Shredder 12 by George Bodkin, CCC, April 14, 2010
• Which engine version is Shredder Classic 3? by Luca Hemmerich, CCC, May 09, 2010
• Shredder for Android ... by Ingo Bauer, CCC, September 08, 2010
• Shredder gets Gold by Peter Martan, CCC, October 02, 2010 » WCSC 2010
• Shredder 4 classic with S12 SE engine for free by Volker Pittlik, CCC, November 06, 2011

2015 ...

Mighty Mac Shredder

• Shredder-Chess-Engine will be updated by JoeBoden, CCC, February 09, 2015
• Shredder is the new World Chess Software Champion by Mehmet Karaman, CCC, July 05, 2015 » WCSC 2015
• New Shredder information? by Robert Flesher, CCC, December 27, 2015
• Deep Shredder 13 Windows out by Stefan Meyer-Kahlen, CCC, October 30, 2016
• Shredder 13 for Mac and Linux out by Stefan Meyer-Kahlen, CCC, November 22, 2016

Chess Engine

Shredder Computer Chess | News

• Shredder 5.0 - das Weltmeister-Programm! by Peter Schreiner, Schachclub Leinzell Informationen zu aktueller Schachsoftware, Dezember 2000 (German)
• Shredder 9 on top of the world - A short introduction to Shredder 9 by Peter Schreiner, ChessBase News, March 01, 2005 ^[17]
• Programs and essentials by Steve Lopez, ChessBase News, March 13, 2005 » Junior 9, Shredder 9
• Shredder 10 now available - Interview with Shredder author Stefan Meyer-Kahlen, ChessBase News, May 26, 2006
• ChessBase DeepShredder 12 by Frank Quisinsky, Schachwelt - Computerschach, January 30, 2010 (German)
• First win against Shredder 12! by Dana Mackenzie, Dana Blogs Chess, July 03, 2011

Shredderbases

• Shredder 10 and the Shredderbases, ChessBase News, July 07, 2006
• Shredderbases by Steve Lopez, ChessBase News, November 11, 2006

Misc

1. ↑Shredder 13 Windows Screenshots from Shredder Chess
2. ↑Image captured from Paderborn 1999 1.mp4 by Thorsten Czub hosted by Ed Schröder
3. ↑Paderborn 1999 - Chess - Round 6 - Game 3 (ICGA Tournaments)
4. ↑Shredder Computer Chess, 19th title added by editor
5. ↑Shredder's ICGA Tournaments
6. ↑Shredder Computer Chess Download - Linux
7. ↑Shredder Computer Chess Download - Macintosh
8. ↑Shredder 5.0 - das Weltmeister-Programm! - Deep Shredder verfügbar! - April 2001 by Peter Schreiner, Schachclub Leinzell Informationen zu aktueller Schachsoftware, Dezember 2000 (German)
9. ↑Shredder Computer Chess Download - Deep Shredder 13
10. ↑Deep Shredder 13 Windows out by Stefan Meyer-Kahlen, CCC, October 30, 2016
11. ↑Re: Deep Shredder 13 Windows out by Ingo Bauer, CCC, October 30, 2016
12. ↑Shredder Classic 3 user interface
13. ↑Pocket Shredder: Chess for Windows Mobile
14. ↑Shredder Mobile
15. ↑hredder Computer Chess Download - Shredder for Android
16. ↑Shredderbases
17. ↑Ten years of Computer Chess revisited by Kai Laskos, CCC, March 13, 2015