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Sugar: new UCI engine based on Stockfish

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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SugaR v5.3 RC2 32-64
Split PSQT init from Position init

https://github.com/Zerbinati/SugaR/commit/da561e4fef63aa5436e60faf7688d19bfbf22990
Easier for tuning psq tables:

TUNE(myParameters, PSQT::init);

Also move PSQT code in a new *.cpp file, and retire the
old and hacky psqtab.h that required to be included only
once to work correctly, this is not idiomatic for a header
file.

Give wide visibility to psq tables (previously visible only
in position.cpp), this will easy the use of psq tables outside
Position, for instance in move ordering.

Finally trivial code style fixes of the latest patches.

Original patch of Lucas Braesch.

No functional change.
master (#343)
commit 578b21bbeedc41b6e0d1b2df46887b1636a78e2b 1 parent 59f64fd

Halve PSQT row data
https://github.com/Zerbinati/SugaR/commit/0b7f4e06381146e33ee915f6df846b71e120eec5
Use symmetry along vertical middle axis of the board
to reduce the number of parameters.

For instance psqt value of SQ_A5 == SQ_A4 and value of
SQ_F8 == SQ_F1.

This is always true, at least until now nobody came in
with an asymmetric psqt table that worked.

Original patch by Lucas.

No functional change.
master (#343)
commit 7231b18af1ee62aeb523da1d1fbd5523b2cfa30b 1 parent 578b21b
mcostalba authored

Parameters Adjustaments Pieces Mg\Eg (no Rook)
Sugar: new UCI engine based on Stockfish - Page 4 Immagi10
Parameters Adjustaments Rook
https://github.com/Zerbinati/SugaR/commit/361d2060e0141607e4d2a3f3fae1d5362bd78fac
UCI Option
master
commit 361d2060e0141607e4d2a3f3fae1d5362bd78fac 1 parent 5a14cdd
Zerbinati authored

SRC
https://github.com/Zerbinati/SugaR
Direct Link HERE
Engines
Download here

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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Not to discredit any of Zerbinati's very hard work, or anyone else who cloned stockfish, but I really don't understand it.

Stockfish is an opensource chess engine.  If you have something to contribute, why not contribute to the original project?  I detest forking in general, as it means the original project doesn't benefit from a new voice, and the forked project doesn't always keep up with the latest changes in the original.  Not to mention, clone is a derogatory term in any software, and ultimately costs users who otherwise could have benefited from anything you added.

Not that there isn't a place for forking, e.g. to test out ideas before going back to the main branch.  But to fork irrevocably is just not in the spirit of opensource.  I mean wouldn't it be better to say you contributed to a project as prestigious as stockfish, the world's strongest chess engine, then be just another fish in the sea?

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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SugaR 110515 32-64

Tuning en passant bonus
Prepare for SPSA
master
https://github.com/Zerbinati/SugaR/commit/343e00b74b737f734f36ec27facbe89d2bc96f2c
commit 343e00b74b737f734f36ec27facbe89d2bc96f2c 1 parent e55ea23
Zerbinati authored

SRC
https://github.com/Zerbinati/SugaR
Direct link --> https://github.com/Zerbinati/SugaR/archive/master.zip
Engines Download
http://mzerbinati.wix.com/sugarchess#!development-versions/c997

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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SugaR 050615 32-64
Additions  
Rename stages
https://github.com/Zerbinati/SugaR/commit/2357154e2e0870c07c58e00821ee4d983442aad4
sync patch take 2 (7029165)
https://github.com/Zerbinati/SugaR/commit/34b0321df0c4606921bfa0c0a1990ba2d00ca920
Deletions
---
SRC
https://github.com/Zerbinati/SugaR
Direct Link HERE
Engines Download here
http://mzerbinati.wix.com/sugarchess#!development-versions/c997

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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SugaR 080615 32-64
Additions  
Add Tune TacticalLever
https://github.com/Zerbinati/SugaR/commit/d4a273048d3752dd6b3c975e32dbb34b5f6ad710
Deletions
---
SRC
https://github.com/Zerbinati/SugaR
Direct Link HERE
Engines Download here
http://mzerbinati.wix.com/sugarchess#!development-versions/c997

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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What is the purpose of tactical lever? Thank you.

AmOs 4EvEr wrote:

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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[quote="bigtallblackman"]What is the purpose of tactical lever? Thank you.

Add a small bonus for tactical levers

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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SugaR v5.3b 32-64+Add Polyglot Book
Additions
Revert "Retire Polyglot Book management"
This reverts commit f4dcec0.
https://github.com/Zerbinati/SugaR/commit/e1d1537229865a8ccba00b8bafc34f58454a1982
book
commit 27d2a3c5730ea492ebd2358b9a36bf2c13369a1f 1 parent ad87d70
mcostalba authored
Once again many thanks to Marco Costalba!

Reintroduces TUNE En Passant bonus
https://github.com/Zerbinati/SugaR/commit/44344720c69b89ec9f41e93e3034450eddf375a4
Update search.cpp
https://github.com/Zerbinati/SugaR/commit/4bff9ebca8bf3ce20d59c0567235890dce01216b
Add a third dedicated killer for LMR reduction logic.
Killer
Add a third dedicated killer for LMR reduction logic.
https://github.com/Zerbinati/SugaR/commit/2d15785a6784d8c869e1e2b19b9c98b44c89ed98
commit 50f6d1308977545d9dda8f1c3e4cb590c8653fbf 1 parent 7412271
VoyagerOne authored
Deletions
---
SRC
https://github.com/Zerbinati/SugaR
Direct Link HERE
Engines
Download here

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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SugaR PrO Release Candidate 1
Bench: 9457045
Additions
Add old eval weights UCI options
Introduces Symmetric king safety
Better and more effective than "Aggressiveness and Cowardice"
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/088cb29660cf2d3689da441e937fe55ea92c0e31
SPSA Hanging
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/39714bd8427aed3ed6acf855199531f649ba25c8
Add parameters adjustment Mg\Eg
master
commit 39714bd8427aed3ed6acf855199531f649ba25c8 1 parent 16cf848
Zerbinati authored

EG-Reduction (Update search.cpp)
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/16cf8480d840de70eafd5cfcc7ee96076b206550
VoyagerOne authored

Less futility + more SE (10442788)
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/22f5eca60f378b43cf7765e3652f6952fed98b56
- stop futility pruning one depth lower
- start singular extension one depth lower
- compensate by retuning futility_margin()

Hopefully this can be both an elo gain and an improvement in tactics.
test
commit bb72fd68c5e1e5a76936dd417e7b3dc67bf21582 1 parent 9dbb3ae
lucasart authored

TT entry value based on depth and relative age
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/986197934f19ada709e2088e2690cb613a6f4c3e
Calculate TT replace value as depth minus eight times relative age.

STC 2MB
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 45258 W: 8595 L: 8279 D: 28384

LTC 8MB
LLR: 2.95 (-2.94,2.94) [0.00,4.00]
Total: 56401 W: 8809 L: 8489 D: 39103

STC 16MB
LLR: 2.96 (-2.94,2.94) [-4.00,0.00]
Total: 34764 W: 6565 L: 6529 D: 21670

Bench: 9069474

Resolves #395
master
commit 9dbb3ae8b2c5ef4ad2b399a42707ad1fd851c68b 1 parent f4ace94
mstembera authored

Deletions
Retire Search log

SRC
https://github.com/Zerbinati/SugaR-Chess-PrO
Direct Link HERE
Engines
Download here

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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Sugar PRO RC2 -
https://www.dropbox.com/s/97o7656q562zbf7/SugaR%20PrO%20RC2%2032-64.7z?dl=0

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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Question wrote:
Is SugaR 250615 64-bit POPCNT the recommended version to use on my system over Sugar PRO RC2 POPCNT?

[Hide]Komodo contempt [15] (default)
Komodo Table Memory [256]
4096 MBytes Hash available
[/Hide]
[fen]r1bqk2r/4bppp/p2p1n2/n1p1p3/Pp2P3/3P1N2/BPPN1PPP/R1BQ1RK1 w kq - 0 11[/fen]
[pgn][Event "EXPERT-PC, Slow 60m+30s"]
[Site "EXPERT-PC"]
[Date "2015.08.27"]
[Round "1"]
[White "Komodo 9.2 64-bit"]
[Black "SugaR 250615 64-bit POPCNT"]
[Result "1/2-1/2"]
[ECO "C84"]
[Annotator "0.27;0.17"]
[PlyCount "126"]
[TimeControl "3600+30"]

1. e4 {B 0} e5 {B 0} 2. Nf3 {B 0} Nc6 {B 0} 3. Bb5 {B 0} a6 {B 0} 4. Ba4 {B 0}
Nf6 {B 0 Both last book move} 5. O-O {0.27/31 163} Be7 {0.17/32 93} 6. d3 {0.
28/32 121 (Bxc6)} b5 {0.09/33 133} 7. Bb3 {0.30/32 79} d6 {0.09/33 14} 8. a4 {
0.26/31 75} b4 {0.13/34 103 (Bd7)} 9. Nbd2 {0.30/31 125 (a5)} Na5 {0.00/34 188
(0-0)} 10. Ba2 {0.28/31 135} c5 {0.12/35 335} 11. Nc4 {0.24/31 113 (c3)} Nxc4 {
0.03/36 89 (Nc6)} 12. Bxc4 {0.38/26 32} a5 {0.01/34 18 (0-0)} 13. Bb5+ {0.42/
28 55} Nd7 {0.02/33 58} 14. c3 {0.43/30 169 (Nd2)} O-O {0.00/32 58} 15. Re1 {
0.37/28 200} Ba6 {0.00/31 59 (Nb6)} 16. Be3 {0.35/31 245 (Qe2)} Qc7 {0.00/33 60
} 17. Nd2 {0.35/29 47} Rfb8 {0.00/34 61 (Qb7)} 18. Bxa6 {0.36/27 62} Rxa6 {0.
00/37 62} 19. Qe2 {0.36/28 34 (Nc4)} Ra7 {0.00/35 62 (Raa8)} 20. h3 {0.28/32
351 (Qd1)} Bf6 {0.00/37 185} 21. Qf3 {0.29/34 214 (Nc4)} Nf8 {0.00/38 87 (Qd8)}
22. g3 {0.31/29 100} Ne6 {0.00/39 63 (Nd7)} 23. h4 {0.46/29 62} Qd7 {0.00/39 64
} 24. Nc4 {0.46/32 104} Qd8 {0.00/36 203 (Bd8)} 25. Rf1 {0.47/29 47 (Bd2)} Rd7
{0.06/33 121 (Qd7)} 26. Kg2 {0.37/33 322 (Rfc1)} Rbb7 {0.00/38 63} 27. Rfd1 {
0.36/34 105} Ra7 {0.00/42 64} 28. Rac1 {0.29/35 348 (Rab1)} Ra6 {0.00/41 64}
29. Kf1 {0.27/35 110 (Ra1)} Raa7 {0.00/42 115 (g6)} 30. Kg1 {0.27/32 81 (Kg2)}
Ra6 {0.00/42 63} 31. Rd2 {0.27/33 90 (Kg2)} g6 {0.00/39 650} 32. Bh6 {0.26/34
250 (h5)} Bg7 {-0.03/38 52} 33. Bxg7 {0.36/32 48} Kxg7 {0.00/38 52} 34. Ne3 {
0.36/35 57} h5 {0.00/39 52} 35. Qe2 {0.36/31 223 (Nd5)} Ra8 {0.00/37 52 (Rc6)}
36. Rf1 {0.37/30 21 (Rdd1)} Nc7 {0.15/32 187 (Rb7)} 37. Nc4 {0.36/31 170 (f3)}
Ra6 {0.00/36 68} 38. Rfd1 {0.36/28 24 (d4)} Re7 {0.00/32 118 (Ne6)} 39. Ne3 {
0.21/31 46 (d4)} Qd7 {0.00/39 84} 40. Ra1 {0.20/31 31} Rc6 {0.00/33 69 (Re8)}
41. Qf3 {0.22/26 37} Re8 {0.00/35 73} 42. Nc4 {0.23/29 33} Ra8 {0.00/32 44} 43.
Qe2 {0.32/28 94 (Rdd1)} Ne8 {0.00/31 44} 44. Kg2 {0.31/27 56 (f3)} Qe6 {0.00/
34 115} 45. f3 {0.36/26 15} Nf6 {0.00/33 8 (Nc7)} 46. Ne3 {0.35/27 22 (Qe3)} d5
{0.12/34 63 (Rf8)} 47. c4 {0.54/37 150} d4 {0.12/35 9} 48. Nd5 {0.55/30 12} Kh7
{0.12/34 42 (Qd6)} 49. Qd1 {0.59/32 19 (b3)} Ng8 {0.21/33 91 (Kg7)} 50. b3 {0.
58/30 91 (g4)} Nh6 {0.15/32 40 (Kg7)} 51. Kh2 {0.58/28 12 (Qe2)} Rf8 {0.00/34
40 (Qd7)} 52. Qe2 {0.30/31 44} Rd6 {0.00/38 40} 53. Re1 {0.30/33 32 (Rdd1)} f6
{0.00/39 39 (Rd7)} 54. Rf1 {0.28/36 117 (Kg1)} Rd7 {0.00/39 39} 55. Rdd1 {0.21/
31 12 (Kg2)} Rdf7 {0.00/40 46 (Kg7)} 56. Rde1 {0.20/34 10} f5 {0.00/41 39 (Kg7)
} 57. Kg2 {0.20/34 16 (exf5)} f4 {-0.03/42 56 (Kg7)} 58. Qf2 {0.13/32 17 (gxf4)
} fxg3 {0.00/40 38} 59. Qxg3 {0.00/36 11} Kg8 {0.00/44 38 (Ng8)} 60. Kg1 {0.00/
39 47 (Qg5)} Kh7 {0.00/51 37} 61. Rd1 {0.00/41 52 (Kg2)} Qd6 {0.00/42 37 (Kg7)}
62. Rc1 {0.00/42 16 (Kg2)} Kg7 {0.00/44 50} 63. Rb1 {0.00/45 48 (Rce1)} Qe6 {
0.00/47 36 (Kh7) Draw accepted} 1/2-1/2[/pgn]In-depth analysis - http://en.lichess.org/cxqYHMgs

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

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[fen]r1bq1rk1/2p2ppp/p2p1n2/1p2p3/3bP3/1BNP1Q2/PPP2PPP/R1B2RK1 w - - 0 11[/fen]
Sugar: new UCI engine based on Stockfish - Page 4 Profil10
[pgn][Event "EXPERT-PC, Slow 45m+45s"]
[Site "EXPERT-PC"]
[Date "2015.08.27"]
[Round "1"]
[White "Komodo 9.2 64-bit"]
[Black "SugaR PrO RC2 64 POPCNT"]
[Result "1/2-1/2"]
[ECO "C78"]
[Annotator "0.33;0.09"]
[PlyCount "81"]
[TimeControl "2700+45"]

1. e4 {B 0} e5 {B 0} 2. Nf3 {B 0} Nc6 {B 0} 3. Bb5 {B 0} a6 {B 0} 4. Ba4 {B 0}
Nf6 {B 0} 5. d3 {B 0} b5 {B 0} 6. Bb3 {B 0} Bc5 {B 0 Both last book move} 7.
Nc3 {0.33/32 141} O-O {0.09/33 103 (h6)} 8. O-O {0.21/31 137 (Nd5)} Nd4 {0.10/
33 110} 9. Nxd4 {0.26/28 79} Bxd4 {0.09/36 96} 10. Qf3 {0.31/31 143 (Bg5)} d6 {
0.13/37 107 (c6)} 11. h3 {0.30/30 59 (Bg5)} h6 {0.16/33 242} 12. Ne2 {0.28/29
61} Ba7 {0.07/34 507} 13. c3 {0.25/27 57 (Qg3)} a5 {0.07/31 388} 14. Rd1 {0.31/
30 114} Qe7 {0.20/33 95 (a4)} 15. d4 {0.27/30 119} Bd7 {0.07/33 118} 16. Ng3 {
0.24/31 111} a4 {0.06/30 8} 17. Bc2 {0.32/30 90} Rfe8 {0.12/34 87} 18. d5 {0.
34/34 75 (a3)} Nh7 {0.00/35 77 (Rec8)} 19. Nf5 {0.10/31 203} Qf6 {0.00/35 11}
20. Re1 {0.05/33 79} Kh8 {0.00/36 57} 21. Qg3 {0.05/35 114} Ng5 {0.00/36 57}
22. Ne3 {0.09/35 77} Qf4 {-0.06/34 57} 23. Nf1 {0.05/37 99 (Nf5)} Qxg3 {0.00/
37 142} 24. Nxg3 {0.03/34 38} Nh7 {0.00/35 49} 25. Bd2 {0.04/35 95} Red8 {0.00/
35 59 (Nf6)} 26. Bd3 {0.08/31 205 (Rad1)} Nf6 {-0.06/34 158} 27. a3 {0.00/36
129 (Rac1)} Bb6 {-0.09/36 58 (Kh7)} 28. Rad1 {0.00/34 96} Rab8 {-0.09/37 59}
29. Bc1 {0.00/37 89 (Bc2)} Kh7 {-0.10/33 60} 30. Nf5 {0.00/34 35} Rf8 {-0.02/
34 257} 31. Ne3 {0.00/37 139 (g4)} Ng8 {-0.15/33 135 (Nh5)} 32. Kh2 {0.00/35
200 (g4)} g6 {-0.17/32 86} 33. Rf1 {0.00/38 103 (g4)} f5 {-0.04/36 104 (Kg7)}
34. exf5 {0.00/36 56} gxf5 {-0.03/36 12} 35. g4 {0.00/39 88} Bxe3 {-0.03/37 55}
36. Bxe3 {0.00/37 45} Ne7 {0.00/38 55} 37. f4 {0.00/40 124} Nxd5 {0.00/41 55}
38. Bxf5+ {0.00/46 156} Bxf5 {0.00/44 55} 39. Rxd5 {0.00/45 53} Be6 {0.00/46 56
} 40. Rd2 {0.00/45 39} exf4 {0.00/45 68 (Bc4)} 41. Rxf4 {0.00/45 80 Draw
accepted} 1/2-1/2[/pgn]
In-depth analysis - http://en.lichess.org/TNrbgqn3#0 | Chess Database

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

more_horiz
AmOs 4EvEr wrote:
SugaR PrO Release Candidate 1
Bench: 9457045
Additions
Add old eval weights UCI options
Introduces Symmetric king safety
Better and more effective than "Aggressiveness and Cowardice"
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/088cb29660cf2d3689da441e937fe55ea92c0e31
SPSA Hanging
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/39714bd8427aed3ed6acf855199531f649ba25c8
Add parameters adjustment Mg\Eg
master
commit 39714bd8427aed3ed6acf855199531f649ba25c8 1 parent 16cf848
Zerbinati authored

EG-Reduction (Update search.cpp)
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/16cf8480d840de70eafd5cfcc7ee96076b206550
VoyagerOne authored

Less futility + more SE (10442788)
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/22f5eca60f378b43cf7765e3652f6952fed98b56
- stop futility pruning one depth lower
- start singular extension one depth lower
- compensate by retuning futility_margin()

Hopefully this can be both an elo gain and an improvement in tactics.
test
commit bb72fd68c5e1e5a76936dd417e7b3dc67bf21582 1 parent 9dbb3ae
lucasart authored

TT entry value based on depth and relative age
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/986197934f19ada709e2088e2690cb613a6f4c3e
Calculate TT replace value as depth minus eight times relative age.

STC 2MB
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 45258 W: 8595 L: 8279 D: 28384

LTC 8MB
LLR: 2.95 (-2.94,2.94) [0.00,4.00]
Total: 56401 W: 8809 L: 8489 D: 39103

STC 16MB
LLR: 2.96 (-2.94,2.94) [-4.00,0.00]
Total: 34764 W: 6565 L: 6529 D: 21670

Bench: 9069474

Resolves #395
master
commit 9dbb3ae8b2c5ef4ad2b399a42707ad1fd851c68b 1 parent f4ace94
mstembera authored

Deletions
Retire Search log

SRC
https://github.com/Zerbinati/SugaR-Chess-PrO
Direct Link HERE
Engines
Download here

thank you M.Zerbinati,
is possible to add Large Pages?

descriptionSugar: new UCI engine based on Stockfish - Page 4 EmptyRe: Sugar: new UCI engine based on Stockfish

more_horiz
[fen]r2q1rk1/2p1bppp/p1npbn2/P3p3/1p2P3/1B1P1N2/1PPN1PPP/R1BQ1RK1 w - - 0 11[/fen]
Sugar: new UCI engine based on Stockfish - Page 4 Graph_10
[pgn][Event "EXPERT-PC, Rapid 20m+20s"]
[Site "EXPERT-PC"]
[Date "2015.08.27"]
[Round "1"]
[White "SugaR PrO RC2 64 POPCNT"]
[Black "Komodo 9.2 64-bit"]
[Result "0-1"]
[ECO "C84"]
[Annotator "0.12;0.00"]
[PlyCount "136"]
[TimeControl "1200+20"]

{Intel(R) Core(TM) i7-5960X CPU @ 3.00GHz 2300 MHz  W=32.1 plies; 16 459kN/s;
1 035 560 TBAs; Attacker 5 Ultimate.ctg  B=28.6 plies; 18 098kN/s; 7 100 785
TBAs; Attacker 5 Ultimate.ctg} 1. e4 {B 0} e5 {B 0} 2. Nf3 {B 0} Nc6 {B 0} 3.
Bb5 {B 0} a6 {B 0} 4. Ba4 {B 0} Nf6 {B 0} 5. d3 {B 0} b5 {B 0} 6. Bb3 {B 0} Be7
{B 0 Both last book move} 7. a4 {0.12/30 56} b4 {0.00/28 49} 8. O-O {0.11/33
77 (d4)} d6 {0.00/30 23 (0-0)} 9. a5 {0.10/32 26} O-O {0.00/29 17} 10. Nbd2 {
0.12/32 34 (h3)} Be6 {0.00/30 40} 11. Qe2 {0.05/30 87 (h3)} Bxb3 {-0.03/26 20}
12. Nxb3 {0.08/31 36} Re8 {-0.06/29 54} 13. Be3 {0.10/29 4} Qd7 {-0.05/29 85}
14. h3 {0.04/31 30 (Rfe1)} g6 {-0.11/30 68 (Nd8)} 15. Nfd2 {0.07/29 91 (c3)}
Nd8 {-0.16/25 16 (Nh5)} 16. Nc4 {0.00/31 49 (Rfe1)} Ne6 {-0.19/28 74} 17. Nbd2
{0.00/31 28 (g3)} Nh5 {-0.31/26 18} 18. Rae1 {-0.11/33 278 (Rfe1)} Rab8 {-0.38/
24 26} 19. Nf3 {-0.06/31 145 (b3)} b3 {-0.40/25 27} 20. c3 {-0.13/30 36} Nef4 {
-0.40/29 67} 21. Bxf4 {-0.14/31 39 (Qd2)} Nxf4 {-0.43/26 17} 22. Qd1 {-0.04/33
46 (Qd2)} Ne6 {-0.36/26 74 (Bf6)} 23. Qd2 {0.00/31 34 (g3)} Qb5 {-0.38/32 76}
24. Ra1 {0.00/33 24} Nc5 {-0.39/30 33} 25. Qe2 {0.00/36 24} f5 {-0.54/30 124
(Bf6)} 26. exf5 {-0.17/33 120} gxf5 {-0.58/26 23} 27. Rfd1 {-0.13/31 70} Ne6 {
-0.61/25 17} 28. Nfd2 {-0.29/31 129 (Ne3)} Kh8 {-0.76/27 89} 29. g3 {-0.48/28
84} Rg8 {-0.95/27 52} 30. Kh2 {-0.62/30 44} Rg6 {-1.00/27 80 (Rbe8)} 31. Rh1 {
-0.72/29 59 (Re1)} Rh6 {-1.36/23 23 (Rbg8)} 32. Kg1 {-0.81/29 51 (Rag1)} Rg8 {
-1.13/27 167} 33. Re1 {-0.79/30 73} Bg5 {-1.37/26 32 (f4)} 34. Nf3 {-0.78/29 38
} Bf6 {-1.43/28 43} 35. Kf1 {-0.88/30 23} Rhg6 {-1.38/27 31} 36. h4 {-0.98/31
28 (Ncd2)} Nc5 {-1.39/26 36 (R6g7)} 37. h5 {-0.94/29 21} R6g7 {-1.55/26 16} 38.
h6 {-1.00/27 5} Re7 {-1.56/29 47} 39. Rh5 {-1.01/31 29} f4 {-1.52/30 27} 40.
Rf5 {-1.18/31 29 (g4)} Rg6 {-1.51/26 24} 41. Nfd2 {-1.05/31 28} Rxh6 {-1.34/27
64} 42. Qf3 {-1.22/32 23} Re8 {-1.31/27 21} 43. g4 {-1.22/32 20} Ne6 {-1.55/29
38} 44. Ne4 {-1.20/29 2} Be7 {-1.48/29 34} 45. Rh5 {-1.37/33 21} Rxh5 {-1.50/
27 27} 46. gxh5 {-1.31/31 4} Ng7 {-1.53/28 69 (Rf8)} 47. Ned2 {-1.19/30 22
(Qg4)} Nf5 {-1.72/26 22} 48. Qe4 {-1.29/30 23 (h6)} Qd7 {-1.86/26 12} 49. Qd5 {
-1.73/31 48 (Nxb3)} Ne3+ {-2.03/28 22} 50. Nxe3 {-1.73/32 18} fxe3 {-2.06/29 15
} 51. Rxe3 {-1.85/30 3} Bg5 {-2.16/31 33} 52. Re2 {-1.86/34 23} Bh6 {-2.31/30
21} 53. Qe4 {-1.88/30 2} Qh3+ {-2.18/31 32} 54. Qg2 {-2.02/35 31} Qxd3 {-2.15/
30 21} 55. Qf3 {-2.02/31 3} Qc2 {-2.22/31 20 (Qxf3)} 56. Qf6+ {-1.87/32 23} Bg7
{-2.01/31 35} 57. Qf7 {-2.08/35 40 (Qg5)} Rg8 {-3.64/28 19} 58. Ne4 {-2.10/28
2 (Qd5)} Qd1+ {-4.79/30 18 (Rf8)} 59. Re1 {-3.71/35 21} Qd3+ {-4.85/29 11} 60.
Kg2 {-4.18/37 49 (Kg1)} Bh6+ {-4.96/33 16} 61. Ng3 {-4.24/34 2} Qd2 {-5.35/33
31} 62. Re2 {-4.55/37 27} Qxe2 {-7.05/36 32} 63. Qxg8+ {-4.64/38 2} Kxg8 {-7.
74/31 10} 64. Nxe2 {-6.06/42 23} d5 {-8.40/33 9} 65. Kg3 {-6.48/43 27 (Kf1)}
Kf7 {-9.88/36 107} 66. Kg4 {-8.31/37 51 (Kg2)} Ke6 {-10.70/31 13 (Kf6)} 67. Kf3
{-9.24/37 50 (Kh3)} Bd2 {-10.09/33 95 (Kf6)} 68. Kg2 {-9.87/36 26} Kf6 {-13.34/
27 16} 0-1[/pgn]In-depth analysis - http://en.lichess.org/fynsCFFJ#0 | Chess Database

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Alexa1978 support large pages are already included

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Sugar PRO v 1.0 32-bit 64-bit
sendspace.com p53fq3
https://www.dropbox.com/s/t9uogg1v05newdc/SugaR%20PrO%20v1.0%2032-64.7z?dl=0

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Nathanael Russell wrote:

Sugar: new UCI engine based on Stockfish - Page 4 Mz1U6pG
[pgn][Event "EXPERT-PC, Rapid 15m+15s"]
[Site "EXPERT-PC"]
[Date "2015.09.03"]
[Round "1"]
[White "Komodo 9.2 64-bit"]
[Black "SugaR PrO v1.0 64 POPCNT"]
[Result "1/2-1/2"]
[ECO "D10"]
[Annotator "0.55;0.51"]
[PlyCount "141"]
[TimeControl "900+15"]

1. d4 {B 0} d5 {B 0} 2. c4 {B 0} c6 {B 0} 3. cxd5 {B 0} cxd5 {B 0} 4. Bf4 {B 0}
Bf5 {B 0} 5. Qb3 {B 0} Qb6 {B 0} 6. Qxb6 {B 0} axb6 {B 0 Both last book move}
7. Nc3 {0.55/29 42} Nf6 {0.51/31 29 (Nc6)} 8. Nb5 {0.71/27 25 (Rc1)} Na6 {0.56/
31 46 (Kd8)} 9. Rc1 {0.64/29 28} e5 {0.57/32 33 (Bd7)} 10. dxe5 {0.70/28 15
(Bxe5)} Bb4+ {0.51/31 36} 11. Bd2 {0.68/31 28} Bxd2+ {0.61/28 3} 12. Kxd2 {0.
73/29 15} Ne4+ {0.62/32 36} 13. Ke1 {0.71/30 23} O-O {0.54/31 6} 14. f3 {0.73/
30 15} Nec5 {0.70/33 37} 15. a3 {0.83/30 40} Rfc8 {0.77/32 54 (Bd7)} 16. Rd1 {
0.82/31 71} Be6 {0.68/33 34} 17. Nd4 {0.80/32 77} b5 {0.72/29 3} 18. e3 {0.69/
32 18} b4 {0.68/35 30} 19. Bxa6 {0.83/33 44} Nxa6 {0.68/34 4} 20. a4 {0.77/30
19} Re8 {0.73/34 40 (Bd7)} 21. b3 {0.82/32 49} Bd7 {0.71/31 5} 22. f4 {0.74/30
55} Nc5 {0.68/32 44} 23. Ngf3 {0.76/28 12} Ne4 {0.86/32 37 (b5)} 24. Rc1 {1.00/
28 24} Rac8 {0.77/34 99 (b5)} 25. Ke2 {0.77/28 45} Nc3+ {0.74/30 5} 26. Kd3 {
0.78/29 28} Rc5 {0.79/32 34} 27. Rc2 {0.87/31 47} b6 {0.84/29 4 (Rec8)} 28. Kd2
{0.92/28 32 (Rhc1)} Ne4+ {0.86/32 53 (Bg4)} 29. Kc1 {0.82/31 43} Rec8 {0.94/36
55} 30. Kb1 {0.75/32 36} Rxc2 {0.92/34 12} 31. Nxc2 {0.74/30 12} Rc3 {0.87/36
38} 32. Nfd4 {0.85/35 46} Nf2 {0.85/31 6} 33. Rf1 {0.88/34 26} Nd3 {0.78/36 56}
34. f5 {0.86/31 20} h5 {0.87/35 44 (Nc5)} 35. e6 {0.72/28 28} Be8 {1.06/34 51}
36. Ka1 {0.76/31 71 (g3)} Rc7 {0.96/33 51} 37. g3 {0.75/32 35} Rc8 {0.95/36 76
(Rc3)} 38. h3 {0.73/27 25 (Ka2)} Rc3 {0.84/32 29} 39. g4 {0.75/28 30} Nc5 {0.
85/30 3} 40. Kb2 {0.67/29 51} Nd3+ {0.84/31 29} 41. Kb1 {0.71/29 13} Nc5 {1.01/
30 4} 42. Nxb4 {0.62/28 38} Rxe3 {0.75/32 34} 43. Ka2 {0.78/29 62} Rxh3 {0.68/
33 35} 44. e7 {0.67/28 20 (gxh5)} hxg4 {0.92/33 38} 45. Rg1 {0.82/29 17} Ne4 {
0.79/30 3} 46. Rxg4 {0.86/29 18} Nf6 {0.86/36 28} 47. Rg2 {0.82/28 9} Re3 {0.
83/36 65} 48. Nbc6 {0.89/29 10} Bxc6 {0.90/37 36} 49. Nxc6 {1.25/27 19} Rc3 {
0.79/32 2} 50. Nd4 {1.02/29 26} Rd3 {1.44/35 26} 51. Nc2 {1.12/29 22} Rf3 {1.
33/29 4} 52. Re2 {1.07/28 15} Ne8 {1.36/34 27} 53. Ne3 {1.16/28 26 (Re5)} d4 {
0.86/35 27} 54. Nc4 {1.15/29 37} f6 {0.89/32 4} 55. Nxb6 {1.28/25 16} Kf7 {0.
84/33 25} 56. b4 {1.11/27 10} d3 {0.99/31 6} 57. Re4 {1.40/25 18} Rxf5 {0.74/
33 59} 58. Rd4 {1.39/25 20} g5 {1.06/33 53 (Kxe7)} 59. b5 {0.87/25 21} Rf4 {1.
35/30 3} 60. Rxd3 {0.70/25 17} g4 {0.74/33 22} 61. Kb2 {0.59/26 14} Rf3 {0.56/
29 4} 62. Rd1 {0.41/28 20} g3 {0.37/33 26} 63. Nc4 {0.27/31 86 (Nc8)} g2 {0.13/
33 21 (Rf2+)} 64. Rg1 {0.03/29 9} Rf2+ {0.09/29 3} 65. Kc3 {0.00/36 23} Kxe7 {
0.02/34 43} 66. Ne3 {0.00/38 21} Rf3 {0.00/30 3 (Kd6)} 67. Kd3 {0.29/23 12} f5
{0.00/35 25} 68. Ke2 {0.00/26 22} Rh3 {0.00/35 9} 69. Rxg2 {0.00/31 22 (Nxf5+)}
Nd6 {0.00/36 31} 70. Rg6 {0.00/34 28} Kd7 {0.00/36 7} 71. Nd5 {0.00/36 28 Draw
accepted} 1/2-1/2[/pgn]In-depth analysis - http://en.lichess.org/Mfg85UNW

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Sugar PRO v 1.0 DEV 060915 32-bit 64-bit
http://mzerbinati.wix.com/sugarchess#!development-versions/c997
https://www.dropbox.com/s/26uq2r4p4q6vc8y/SugaR%20PrO%20060915%2032-64.7z?dl=0

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[pgn][Event "EXPERT-PC, Rapid 20m+20s"]
[Site "EXPERT-PC"]
[Date "2015.09.07"]
[Round "1"]
[White "Komodo 9.2 64-bit"]
[Black "SugaR PrO 060915 64 POPCNT"]
[Result "1/2-1/2"]
[ECO "C84"]
[Annotator "0.17;0.17"]
[PlyCount "49"]
[TimeControl "1200+20"]

1. e4 {B 0} e5 {B 0} 2. Nf3 {B 0} Nc6 {B 0} 3. Bb5 {B 0} a6 {B 0} 4. Ba4 {B 0}
Nf6 {B 0 Both last book move} 5. O-O {0.17/28 56} Be7 {0.17/31 36} 6. Nc3 {0.
10/30 76 (Bxc6)} b5 {0.06/31 45} 7. Bb3 {0.06/30 49} d6 {0.07/29 8} 8. Nd5 {0.
06/30 45} Na5 {0.07/31 27 (0-0)} 9. Nxe7 {0.02/29 33} Qxe7 {0.10/32 42} 10. d3
{0.07/31 72 (Re1)} O-O {0.07/32 134} 11. h3 {0.00/31 121 (Qe1)} c5 {0.03/33 46
(h6)} 12. Bg5 {0.06/29 36} Bb7 {0.00/29 4 (Nxb3)} 13. Nh4 {0.23/28 36 (Bd5)} c4
{0.17/34 77} 14. Qe1 {0.08/27 26} cxb3 {0.13/34 75 (Nxb3)} 15. Qxa5 {0.10/28 19
} bxc2 {0.05/33 31} 16. Rfc1 {0.23/29 39} Bc8 {0.05/34 40 (d5)} 17. Rxc2 {0.11/
26 25} h6 {0.01/31 5} 18. Be3 {0.16/28 39} Nh5 {0.03/33 28} 19. Nf3 {0.06/28 33
} f5 {0.03/32 28} 20. Rc7 {0.13/30 133 (Qc7)} Qf6 {0.00/33 29} 21. Qb4 {0.00/
30 66} fxe4 {0.00/34 29} 22. Qxe4 {0.00/33 53} Bxh3 {0.00/35 30} 23. d4 {0.00/
34 48} Rae8 {0.00/34 30} 24. dxe5 {0.00/34 40} dxe5 {0.00/34 30} 25. Rc5 {0.00/
35 70 (a4) Draw accepted} 1/2-1/2[/pgn]http://en.lichess.org/e9hS8fwz

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[pgn][Event "EXPERT-PC, Slow 60m+60s"]
[Site "EXPERT-PC"]
[Date "2015.09.08"]
[Round "1"]
[White "SugaR PrO 060915 64 POPCNT"]
[Black "Komodo 9.2 64-bit"]
[Result "1-0"]
[ECO "B80"]
[Annotator "0.17;0.06"]
[PlyCount "67"]
[TimeControl "3600+60"]

1. e4 {Both last book move} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6.
Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. a3 {0.17/31 132} Bb7 {0.06/27 64} 10. O-O-O {0.
10/25 11} Rc8 {0.14/29 190} 11. g4 {0.10/30 125 (Kb1)} Nb6 {0.08/27 109} 12. h4
{0.07/31 140 (Nb3)} Be7 {0.07/26 68 (Nfd7)} 13. g5 {0.19/30 139 (Kb1)} Nfd7 {
0.00/27 51 (Nh5)} 14. Qe1 {0.12/30 184 (Rh3)} O-O {0.00/30 190} 15. Kb1 {0.00/
33 215 (Bh3)} Re8 {0.34/28 275 (d5)} 16. Bc1 {0.43/32 229 (Bh3)} Ba8 {0.60/28
484 (Nc4)} 17. Bh3 {0.83/30 120 (f4)} Rc7 {0.60/26 217 (Qc7)} 18. Rg1 {1.00/27
134} Bf8 {0.75/29 309 (g6)} 19. h5 {0.85/29 194} g6 {0.78/29 297} 20. Nce2 {0.
96/27 35 (b3)} Qb8 {0.63/26 248 (Bg7)} 21. hxg6 {2.80/31 161} hxg6 {0.68/25 60}
22. Nf4 {2.96/30 14 (Bg2)} Ne5 {2.40/28 257 (Bg7)} 23. Rh1 {3.29/32 163} Bg7 {
2.85/28 319} 24. Ndxe6 {3.75/34 195} Rxc2 {3.00/27 74 (fxe6)} 25. Qg3 {4.89/30
143 (Kxc2)} b4 {3.40/27 255 (Rxc1+)} 26. Nxg7 {6.43/30 147 (Kxc2)} Nxf3 {5.40/
26 207} 27. Nxe8 {7.20/33 139} Qxe8 {6.30/29 178} 28. Bg2 {7.27/32 40 (Bf5)}
Bxe4 {5.86/28 137} 29. Nd3 {7.87/34 200} Rxc1+ {6.30/30 217} 30. Kxc1 {8.63/35
176} bxa3 {6.46/32 88 (Qe6)} 31. Bxf3 {11.07/34 165} Qc6+ {7.38/34 164} 32. Kb1
{11.75/34 65} Bxf3 {7.54/35 80} 33. Qh4 {14.06/37 253} Bh5 {7.76/34 51} 34. Qd4
{15.25/33 22 (Nb4)} 1-0

[Event "EXPERT-PC, Rapid 30m+30s"]
[Site "EXPERT-PC"]
[Date "2015.09.08"]
[Round "1"]
[White "Komodo 9.2 64-bit"]
[Black "SugaR PrO 060915 64 POPCNT"]
[Result "0-1"]
[ECO "B80"]
[Annotator "0.15;0.12"]
[PlyCount "86"]
[TimeControl "1800+30"]

1. e4 {Both last book move} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6.
Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. a3 {0.15/27 65} Bb7 {0.12/30 94} 10. O-O-O {0.
17/26 37} Rc8 {0.21/29 60} 11. g4 {0.06/27 167} Nb6 {0.10/30 69} 12. h4 {0.00/
28 118} Nfd7 {0.06/29 58 (Be7)} 13. Nb3 {0.00/28 56 (Rh3)} Be7 {0.21/28 104}
14. h5 {0.00/29 178 (Kb1)} h6 {0.00/32 71} 15. Kb1 {0.00/32 99} Ba8 {0.04/31
139} 16. Rh3 {0.00/33 91 (Be2)} O-O {0.00/33 79 (Ne5)} 17. g5 {0.20/24 78 (Be2)
} hxg5 {-0.29/30 78} 18. h6 {0.16/26 86 (Rg3)} g6 {-0.60/29 64} 19. Nc1 {0.00/
23 44 (h7+)} Kh7 {-1.19/29 65 (f6)} 20. Bd4 {0.00/24 100 (N1a2)} Ne5 {-1.45/28
60} 21. Qe1 {-0.31/25 104 (Qf2)} Qc7 {-1.63/28 64} 22. Nb3 {-0.40/26 109} Nec4
{-1.81/32 216 (Na4)} 23. Bd3 {-0.94/27 127 (Bxc4)} d5 {-2.01/32 69 (e5)} 24.
exd5 {-1.07/27 180} Nxd5 {-1.88/32 24} 25. Nxd5 {-1.44/27 110 (Bxc4)} Bxd5 {-2.
00/37 83} 26. Nd2 {-1.57/28 51} Rfd8 {-1.97/33 9} 27. Nxc4 {-1.58/32 119 (Bxc4)
} Bxc4 {-2.26/37 62} 28. Be5 {-1.88/36 224 (Bxc4)} Qc5 {-2.60/35 114} 29. Bxc4
{-2.24/30 88 (Rh2)} Rxd1+ {-2.94/36 81} 30. Qxd1 {-2.32/32 49} Qxe5 {-2.58/34 6
} 31. Bd3 {-2.20/31 26} Bf6 {-3.12/36 64 (Rd8)} 32. c3 {-2.22/28 16} a5 {-3.12/
31 8 (Rd8)} 33. Rh1 {-3.35/29 84 (Qe2)} b4 {-3.77/35 86} 34. axb4 {-3.90/33 64
(Qe2)} axb4 {-4.20/38 68} 35. Qe2 {-4.21/35 41} Qc5 {-4.21/35 8} 36. cxb4 {-4.
45/34 32} Qxb4 {-4.43/39 103} 37. Rc1 {-4.67/36 50} Rb8 {-4.56/34 6} 38. Rc2 {
-4.83/37 59} Rb7 {-4.83/37 67 (Kxh6)} 39. Qd2 {-4.38/29 25 (Ba6)} Qa4 {-6.35/
34 59} 40. Qc1 {-5.20/32 89 (Qe3)} Ra7 {-12.64/35 126 (Kxh6)} 41. Rc4 {-8.04/
30 52} Qa2+ {-12.68/31 6} 42. Kc2 {-8.65/32 36} Rb7 {-26.98/35 129} 43. Kd1 {
-9.31/30 15} Rxb2 {-39.41/33 8} 0-1[/pgn]In-depth analysis - http://en.lichess.org/5iFuqdz1#67 | http://en.lichess.org/tG4wQF9r#0

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Sugar Pro 090915 32 & 64 bits


Sugar: new UCI engine based on Stockfish - Page 4 Sugar11

https://mega.nz/#!bAhgmSYJ!3OAgLqWjGWPlEglxYVhUvkUQxL_QEYyn9HbSJ82ryTA

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Sugar Pro v 1.0 DEV 160915 32-bit 64-bit
https://mega.nz/#!iUoiGQzS!b2KmIl3Fnun1RH_xauKzVhcYxYJd-TKnpAv2rePE-n0

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Sugar Pro 1.0 Pohl-setting:
(seems to be around +10 Elo stronger than default and plays with lower draw-rate)
Contempt=25, Space=125, King Safety=125, Mobility (Midgame)=125, Pawn Structure (Midgame)=75

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http://spcc.beepworld.de/top-bullet-list.htm look

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Marco Zerbinati wrote:
SugaR PrO v1.1 64-Bit

Bench: 8155706
Additions
Reduce writes in TT::probe().
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/c055a3f502a011d4344b0e7fd88ffb8cb39d6871
Remove unnecessary generation check in TT save
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/2acade25ae2f8efb2919e4e911568ed9a9ecd0b3
Refine ranks and increase resulting bonus.
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/e49737925130e4949eab4e2bfc0a27d80903a2c7
Alignment "Rework lock protecting"
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/cd77ccbe228e2a93d29347221e9d1b5a10d5fd93
Bonus for checking moves
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/0e7f8f113bf21cac71a07628f4f74f2040c6491d
File based passed pawn bonus
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/3eba81dbb20ef514b063eacb056f7ecbfc369216
Fix a comment in TTEntry::save
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/75f0f95a0d233917604d95d72eef1b6fcea4e960
Add Trevis CI support
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/b48f91db44cce1a20bdd35ed8525c93954fa3fcc
Alignment "Tuning of assorted values"
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/01c3612d386486f390ed9d9b4dbdbc29a66d5aa8
Combination of two ideas:
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/7a27137b66f12858b5abdc1a07aac3299557e50f

Deletions
Remove queen threat evaluation
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/35886c854b86bd734c1cf2ad14020022aa5a9274
Alignment "Retire rook contact checks"
https://github.com/Zerbinati/SugaR-Chess-PrO/commit/c5a3607a87bff96effaf2591a5fa902d5bb37d7e
SRC
https://github.com/Zerbinati/SugaR-Chess-PrO

Engines
Download here


Marco

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