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Stockfish

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Stockfish 3 JA 64bit Gauntlet
800 out of 1500 games played
https://www.chess2u.com/t7149-stockfish-3-ja-64bit-gauntlet#42867


War Engines rating list: Stockfish 3 JA 64bit Gauntlet

Time Control: 3 Minutes/Game

Code:

Program                          Elo    +  -  Games  Score  Av.Op.  Draws

Stockfish 26-04-2013 64bit    : 3206  18  18  725    45.3 %  3239  52.0 %
Stockfish 3 JA 64bit          : 3192  17  17  800    43.3 %  3239  51.1 %
Stockfish 21-02-2013 64bit    : 3173  13  13  1500    41.9 %  3230  44.1 %
Stockfish 2.3.1 JA 64bit      : 3165  13  13  1305    45.4 %  3197  51.4 %

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Stockfish 3 JA 64bit Gauntlet
1000 out of 1500 games played
https://www.chess2u.com/t7149-stockfish-3-ja-64bit-gauntlet#42882


War Engines rating list: Stockfish 3 JA 64bit Gauntlet

Time Control: 3 Minutes/Game

Code:

Program                          Elo    +  -  Games  Score  Av.Op.  Draws

Stockfish 26-04-2013 64bit    : 3206  18  18  725    45.3 %  3239  52.0 %
Stockfish 3 JA 64bit          : 3194  15  15  1000    43.6 %  3239  51.2 %
Stockfish 21-02-2013 64bit    : 3173  13  13  1500    41.9 %  3230  44.1 %
Stockfish 2.3.1 JA 64bit      : 3164  13  13  1345    45.2 %  3197  52.3 %

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Stockfish 3 JA 64bit Gauntlet
1500 out of 1500 games played
https://www.chess2u.com/t7149-stockfish-3-ja-64bit-gauntlet#42895


War Engines rating list updated (3 May 2013)

Code:

Program                          Elo    +  -  Games  Score  Av.Op.  Draws

Stockfish 3 JA 64bit          : 3193  12  12  1500    43.6 %  3238  50.9 %
Stockfish 2.3.1 JA 64bit      : 3165  12  12  1445    45.5 %  3196  53.3 %


28 Elo better than the previous Stockfish.

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Congratulations to Stockfish Team thumb up cool


[pgn][Event "Blitz 5 minutes"]
[Site "Engine Match"]
[Date "2013.05.03"]
[Round "?"]
[White "Stockfish 3 JA 64bit 4CPU"]
[Black "Bouquet _1.6 x64 4CPU"]
[Result "1-0"]
[ECO "D48"]
[Annotator "0.56;0.21"]
[PlyCount "109"]
[TimeControl "300"]

1. Nf3 {B 0} e6 {
B 0} 2. d4 {B 0} d5 {B 0} 3. c4 {B 0} Nf6 {B 0} 4. Nc3 {B 0} c6 {B 0} 5. e3 {
B 0} Nbd7 {B 0} 6. Bd3 {B 0} dxc4 {B 0} 7. Bxc4 {B 0} b5 {B 0} 8. Bd3 {B 0} a6
{B 0} 9. e4 {B 0} c5 {B 0} 10. d5 {B 0} c4 {B 0} 11. dxe6 {B 0} fxe6 {B 0} 12.
Bc2 {B 0} Qc7 {B 0 Both last book move} 13. Ng5 {0.56/19 6} Nc5 {0.21/19 14
(Ne5)} 14. O-O {0.40/19 6} Be7 {0.21/20 12} 15. Qf3 {0.40/21 7} O-O {0.00/20 13
} 16. e5 {0.12/23 9} Nfe4 {0.00/19 0} 17. Qh3 {0.00/24 5} Nxg5 {0.06/22 13} 18.
Bxg5 {0.00/25 4} g6 {0.00/22 17} 19. Bxe7 {0.00/25 9} Qxe7 {0.00/20 0} 20. Ne4
{0.00/25 7 (Qe3)} Nxe4 {0.00/20 2} 21. Bxe4 {0.00/26 5} Ra7 {0.00/21 4} 22.
Rad1 {-0.08/26 46 (Qe3)} Rd7 {0.00/22 13 (Qc5)} 23. Qg4 {0.00/26 5 (Rxd7)} Rfd8
{0.00/22 10 (Rxd1)} 24. Rxd7 {0.08/22 5} Rxd7 {0.00/21 2} 25. h4 {0.00/24 11
(Rd1)} Rd2 {0.00/23 8 (Bb7)} 26. h5 {0.40/22 7 (Bxg6)} g5 {0.00/21 7 (Rxb2)}
27. f4 {1.93/21 4 (Rb1)} Rxb2 {1.13/20 46} 28. Kh1 {2.30/23 6 (fxg5)} c3 {1.14/
16 6} 29. fxg5 {2.42/24 2} c2 {1.20/20 5} 30. g6 {2.58/25 2} h6 {1.20/19 0} 31.
Qf4 {2.86/26 5} Rb1 {1.64/21 5} 32. Rxb1 {2.82/27 4} cxb1=Q+ {1.63/21 1 (cxb1B)
} 33. Bxb1 {2.82/29 1} Kg7 {1.64/22 11} 34. Be4 {3.11/29 7} Qf8 {1.64/22 1
(Bd7)} 35. Qe3 {3.11/30 5} Qe7 {1.64/21 1} 36. Qf2 {3.11/31 5 (g3)} Bd7 {2.00/
21 5} 37. g4 {3.11/30 5} Be8 {2.00/19 0} 38. Kh2 {3.11/28 3 (Kg2)} a5 {2.00/20
5} 39. Kh3 {3.43/27 7 (Kg3)} a4 {2.07/20 5 (b4)} 40. Kg3 {3.43/27 3} Qa3+ {2.
07/21 4} 41. Bf3 {3.79/28 15 (Kg2)} Qe7 {2.08/21 3} 42. Qb6 {3.79/26 4 (Qg1)}
Qd7 {2.27/19 4 (b4)} 43. Qc5 {4.84/24 4} Kg8 {2.53/21 7} 44. Qe3 {5.13/24 3
(Qd6)} b4 {2.53/17 1} 45. Qc5 {5.13/25 4 (Qb6)} b3 {3.14/19 2 (Kg7)} 46. axb3 {
5.97/21 1} axb3 {3.14/18 0} 47. Qb6 {6.06/23 1} Kg7 {3.58/19 3 (Qe7)} 48. Qxb3
{6.86/24 1} Qe7 {4.20/21 13} 49. Qc4 {7.91/24 1 (Qb8)} Qd7 {4.73/21 14} 50. Qa6
{8.12/24 3} Kh8 {5.31/20 10 (Kg8)} 51. Qd6 {14.42/26 2 (Qb6)} Kg7 {5.72/21 4}
52. Kg2 {32.32/26 10 (Kh3)} Qxd6 {6.88/20 7} 53. exd6 {89.04/25 12} Bb5 {7.01/
20 2 (Bd7)} 54. Kg3 {89.04/23 1 (Be4)} Be8 {7.01/20 1 (Kf6)} 55. Be4 {89.09/26
2} 1-0[/pgn]

descriptionStockfish - Page 12 EmptyRe: Stockfish

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Ahh no more win 32 compile for Stockfish development version ? Only 64 :( :( :(

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Um.. No more SF Win 32 :( Damn it

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Stockfish 3 64-bit 4CPU Gauntlet (CCRL 40/40)
https://www.chess2u.com/t7171-stockfish-3-64-bit-4cpu-gauntlet-ccrl-40-40

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Stockfish (11-5-2013)

Windows x64 for modern computers sse4.2
Windows x64 for modern computers
Windows x64
Windows 32
Linux x64 for modern computers sse4.2
Linux x64 for modern computers
Linux x64

changelog:
https://github.com/mcostalba/Stockfish/commits/master

descriptionStockfish - Page 12 EmptyStockfish 3 PA GTB

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Jeremy Bernstein wrote:
I finally found some time to dust off this project and did an update to the Stockfish 3 code base.

I decided to start afresh and fork the source repository from the official Stockfish Github repository so that it's easier to keep this in sync over time. The old sources which worked with Stockfish 2.1.1 are abandoned, but will remain on Github.

The current source code that I'm working from can be found here: https://github.com/jeremybernstein/Stockfish, as well as in the attached archive. Note that the makefiles have not been completely updated yet (I'm using Xcode for building on OSX at the moment). MinGW on Windows creates the fastest builds by far, but I haven't tweaked the makefiles to my satisfaction on that side.

The posted versions are competitive in performance with release versions of Stockfish. At least the 64-bit versions are, I haven't tested the 32-bit versions much. If you want the very best performance while retaining at least some of the benefits of the tablebase access, turn on ProbeOnlyAtRoot. It's disabled by default -- this is an analysis build, after all. I'll play around with PGO builds at some point, but this is a "give it a try" release.

In any case, very few of the ideas in here actually belong to me. I mostly did some cleanup and worried about a bunch of smaller implementation details. So thanks to gaard, BB+, fruity, Peter C and of course the entire Stockfish team for such a wonderfully self-documenting chess engine. And to Uly, wherever he is, for inspiring the ideas.

The versions in the archive are POPCNT builds. If your hardware doesn't support POPCNT, you'll just have to wait a bit, until I or someone else builds non-POPCNT stuff. It's too early in the process to do the extra work for old-hardware builds. The OSX build is a fat 32/64 binary.

I'm sure this is the first of a bunch of releases, as problems are revealed and repaired. But in the spirit of exploration: have at it!

Stockfish 3 PA GTB: http://www.open-chess.org/download/file.php?id=530


http://www.open-chess.org/viewtopic.php?f=7&t=2322

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Thanks jnhes.

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Code:

Games Completed = 1000 of 1000 (Avg game length = 15.033 sec)
Settings = RR/32MB/2000ms+100ms/M 700000cp for 7 moves, D 150 moves/EPD:E:\LittleBlitzer\openings.epd(4000)
Time = 3960 sec elapsed, 0 sec remaining

 1.  Stockfish PA_GTB 15-05-13   527.5/1000   257-202-541     (L: m=201 t=1 i=0 a=0)   (D: r=408 i=91 f=25 s=3 a=14)   (tpm=115.6 d=18.64 nps=858978)
 2.  Stockfish 3                 472.5/1000   202-257-541     (L: m=257 t=0 i=0 a=0)   (D: r=408 i=91 f=25 s=3 a=14)   (tpm=115.3 d=14.84 nps=958209)

Good job, Jeremy. thumb up

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crashes on my computer when accessing tbs in fritz 12 but when it did play the game remained strong and stockfish playing real good. I need non sse4.2 so when it becomes available please bring it here. really nice thanks I guess it could work without crashing in arena.

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Bob wrote:

Code:

Games Completed = 1000 of 1000 (Avg game length = 15.033 sec)
Settings = RR/32MB/2000ms+100ms/M 700000cp for 7 moves, D 150 moves/EPD:E:\LittleBlitzer\openings.epd(4000)
Time = 3960 sec elapsed, 0 sec remaining

 1.  Stockfish PA_GTB 15-05-13   527.5/1000   257-202-541     (L: m=201 t=1 i=0 a=0)   (D: r=408 i=91 f=25 s=3 a=14)   (tpm=115.6 d=18.64 nps=858978)
 2.  Stockfish 3                 472.5/1000   202-257-541     (L: m=257 t=0 i=0 a=0)   (D: r=408 i=91 f=25 s=3 a=14)   (tpm=115.3 d=14.84 nps=958209)

Good job, Jeremy. thumb up


Do you know that this improvement is because of implementation of refutation table ("countermove" heuristic) at day 05/13/2013 and not the compile per si, right?!

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Stockfish (16-5-2013)

changelog:
https://github.com/mcostalba/Stockfish/commits/master

Use two counter moves instead of one

Very good at long 60"+0.05 TC
LLR: 2.95 (-2.94,2.94)
Total: 5954 W: 1151 L: 1016 D: 3787

[edit: slightly changed form original patch to avoid useless loop
across killers when killer is MOVE_NONE]

bench: 4327405

Increased mobility array

Performed more or less well at short TC
LLR: 2.95 (-2.94,2.94)
Total: 50517 W: 9815 L: 9574 D: 31128

And a bit better at long TC
LLR: 2.96 (-2.94,2.94)
Total: 15564 W: 2805 L: 2624 D: 10135

bench: 4375253

Revert trapped rook bug fix

It seems that do not limiting checking the
trapped rook only on rank 1 improves the
score.

At long TC
LLR: 2.97 (-2.94,2.94)
Total: 6581 W: 1346 L: 1204 D: 4031

bench: 4985012

Minor bugfixes to refutation table

Don't update refutation table in case of
previous move is MOVE_NULL or MOVE_NONE
and don't try refutation if is already
a killer move.

Pass both short TC
LLR: 2.96 (-2.94,2.94)
Total: 4310 W: 953 L: 869 D: 2488

And long one
LLR: 2.95 (-2.94,2.94)
Total: 6707 W: 1254 L: 1184 D: 4269

bench: 4785954

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Stockfish 3 PA GTB 002

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I tried this version too and just like the first version it causes an exception when accessing tablebases. I went to open chess and got it yesterday.
I will post it on open chess later today

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Stockfish (23-5-2013)

Windows x64 for modern computers sse4.2
Windows x64 for modern computers
Windows x64
Windows 32
Linux x64 for modern computers sse4.2
Linux x64 for modern computers
Linux x64

changelog:
https://github.com/mcostalba/Stockfish/commits/master

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Stockfish 3 PA GTB 003

- fix for tablebase exceptions with MultiPV > 1
- runtime resolution of POPCNT availability -- only one binary required for 64-bit systems now
- update to tip of Stockfish upstream master

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Some new concerns about Stockfish with 1CPU

It is doing poorly in the Amateur Series Division 1. In fact, it is now in DANGER of possible relegation!!!

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Stockfish 3 PA GTB 004

- Simplification and cleanup of non-root EGTB probing
- Fix for tbhits reporting
- Added confirmation message for changing UCI EGTB settings
- Added 'Soft Probe Depth' and 'Hard Probe Depth' for manual control of non-root EGTB probing. The defaults are probably best for most situations
- 3-fold repetition is reinstated
- Engine output was performing unnecessary locking. Replaced with a cleaner solution
- Makefile update (note that OSX builds made with the Makefile are 10.6+ due to a C++ incompatibility. Xcode builds based on the 10.6sdk run fine on older OSs [tested to 10.5])
- Update to the tip of the upstream Stockfish master branch

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hi friends if possible Stockfish 130519 download link please.Thanks.

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More Stockfish

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Stockfish (23-5-2013) best stock fish engi

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Hi friends agreed Stockfish (23-5-2013) is nice one as my friend suggested yanbu1.Hi any one guide us at engine setting if we put at contampt 2 and contamptScore 10000 ,then how it run and what Elo we get ,please guide us any one knew it.

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stockfish-rtb64u rtb multiupload.nl I3KHX4A9CC

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