Sugar 2.0b x 64.0

[Zerbinati]

What is the differences between

2.0e and 2.0Ext

2.0Ext Add SPSA tuning set of threatened pieces
this position setting allows you to find correct move also time 1m Qe6+. (35.Qxg7?!)
4b1k1/3q2r1/6Qp/pp1pP1b1/3P1NP1/P1R1nNK1/1P6/1B6 w - - 0 35

set:

major_d_m 70
major_d_e 100

[consen]

Sugar e-version seems to be little bit stronger than d-version.

GUNNARPC, Blitz 1m+1s 0


1 Stockfish 231014 64 SSE4.2 +8 +26/=167/-21 51,17% 109,5/214
2 Sugar v2.0e x64 SSE4.2 -8 +21/=167/-26 48,83% 104,5/214

[consen]

White: Spassky
1. e4, c5
2. Nf3, d6
3. d4, cxd4
4. Nxd4, Nf6
5. Nc3, a6
6. Bg5, Nbd7
7. Bc4, Qa5
8. Qd2, h6
9. Bxf6, Nxf6
10. 0-0-0, e6
11. Rhe1, Be7
12. f4, 0-0
13. Bb3, Re8
14. Kb1, Bf8
15. g4, Nxg4
16. Qg2, Nf6
17. Rg1, Bd7
18. f5, Kh8
19. Rdf1, Qd8
20. fxe6, fxe6
21. e5!, dxe5
22. Ne4, Nh5
23. Qg6, exd4
24. Ng5
1-0
r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - - 0

How long time take it to find Spassky’s move 21. e5?


______________

Sugar v2.0d
Find e5 after: 00:36:36
Depth when finding: 41/62
Find after: 12564 MN
________________________

Sugar v2.0e
Find e5 after: 00:24:16
Depth when finding: 39/60
Find after: 7955 MN
___________________

Stockfish 23/10
Find e5 after: 00:12:17
Depth when finding: 41/60
Find after: 4149 MN

______________
Komodo 8
Find e5 after: 00:14:10
Depth when finding: 30
Find after: 5032 MN
_______________

[consen]

The last post for a while

GUNNARPC, Blitz 1m+1s 0


1 Stockfish 231014 64 SSE4.2 +11 +41/=254/-31 51,53% 168,0/326
2 Sugar v2.0e x64 SSE4.2 -11 +31/=254/-41 48,47% 158,0/326

With this, I stop analysing for a while and pause posting in this channel. Hope it was interessting for someone.

All test is doing on Intel I7 3770 cpu. It calculate between 7 and 11 million nodes/s. In endigs...more n/s. Often 11 to 18 million nodes/s.

[ernest]

How long time take it to find Spassky’s move 21. e5?


______________

Sugar v2.0d
Find e5 after: 00:36:36
Depth when finding: 41/62
Find after: 12564 MN
________________________

Sugar v2.0e
Find e5 after: 00:24:16
Depth when finding: 39/60
Find after: 7955 MN
___________________

Stockfish 23/10
Find e5 after: 00:12:17
Depth when finding: 41/60
Find after: 4149 MN

______________
Komodo 8
Find e5 after: 00:14:10
Depth when finding: 30
Find after: 5032 MN

Did you get these results with multithread or single thread?

With multithread, the non reproducibility makes those results quasi-meaningless (unless you repeat the same tests many times)

[consen]

I used 4 cpu.
In furure I shall use 1 cpu.
A lot to learn in testing and I was pleased that you learn me this.

Can I test 2 chess engines hundreds of game with 4 cpu (I have 4 prosessor with hypertrading, dvs. I can set up 8 cpu in the engine) ??

Do I get more correct result if I test chess engines hundreds of game with 1 cpu?

I like feedback like this one.

[BBauer]

With multithread, the non reproducibility makes those results quasi-meaningless (unless you repeat the same tests many times)

Yes, quasi-meaningless.
But as everybody uses multithread singlethread results are practically meaningless.
My slightly modified stockfish finds e4-e5 at depth 34+ in 4:26 min with a score of +2.60 on a AMD A6 running up to 2 GHz, 4 threads.

I know my results are meaningless.


Kind regards
Bernhard

[Matthias Gemuh]

... singlethread results are practically meaningless.

wrong ! They are the most practical way to determine what multithreads would achieve in large number of games.

[Kyodai]

With multithread, the non reproducibility makes those results quasi-meaningless (unless you repeat the same tests many times)

Yes, quasi-meaningless.
But as everybody uses multithread singlethread results are practically meaningless.
My slightly modified stockfish finds e4-e5 at depth 34+ in 4:26 min with a score of +2.60 on a AMD A6 running up to 2 GHz, 4 threads.

I know my results are meaningless.


Kind regards
Bernhard

In it's deepest essense, chess itself is totally meaningless...

People who devote their whole life to this game, often find themselves
in rumination and despair, at old age. "What have I done with my life?
Just staring at a stupid board with some pieces..."

[shrapnel]

In it's deepest essence, chess itself is totally meaningless...

People who devote their whole life to this game, often find themselves
in rumination and despair, at old age. "What have I done with my life?
Just staring at a stupid board with some pieces..."

Very true, chess is indeed addictive, but better than being a drug or alcohol addict or womanizing !
I myself took up computer chess as a hobby in 2012, after an unhappy episode in my life involving my wife and my girlfriend !
I suppose the only solution is to find the correct balance between real life with its responsibilities and pleasures with chess.