Re: open source battle IvanHoe v Stockfish at long time-cont
Posted: Tue Mar 27, 2012 9:56 pm
Great job Pal Thanks !!
Computer Chess Club
https://talkchess.com/
PawnStormZ wrote:
The 200 games are available here...
http://www.datafilehost.com/download-9efabfcb.html
I expected Stockfish to win this match because it was longer time control. A faster match Ivanhoe would have won and a really fast match Ivanhoe would have won big.Jouni wrote:I have feeling 200 games was overkill. In first 100 games SF won 52-48 and last 100 it won 50,5-49,5. Did it give any new information to us, I doubt..
Don wrote:I expected Stockfish to win this match because it was longer time control. A faster match Ivanhoe would have won and a really fast match Ivanhoe would have won big.Jouni wrote:I have feeling 200 games was overkill. In first 100 games SF won 52-48 and last 100 it won 50,5-49,5. Did it give any new information to us, I doubt..
CCRL 40/4 are with 6 cpu and not with 4 cpu so they are not relevant for this discussion because I believe that stockfish earns more from more cpu'sberam wrote:Don wrote:I expected Stockfish to win this match because it was longer time control. A faster match Ivanhoe would have won and a really fast match Ivanhoe would have won big.Jouni wrote:I have feeling 200 games was overkill. In first 100 games SF won 52-48 and last 100 it won 50,5-49,5. Did it give any new information to us, I doubt..
Dear Don, predicting match results is not your strong point
When you look at results of Ivanhoe 9.46h CCRL 4/40 it scores 46,7 % against Stockfish 2.2.2
Ivanhoe 9.46h CCRL 40/40, it scores 45,1%
So conclusively, at shorter time control, Ivanhoe looses much clearer against Stockfish !
grts Bram
Well perhaps this data is more of your liking: Stockfisch - Ivanhoe at ultrafast TC: + 81 = 120 - 67Uri Blass wrote:CCRL 40/4 are with 6 cpu and not with 4 cpu so they are not relevant for this discussion because I believe that stockfish earns more from more cpu'sberam wrote:Don wrote:I expected Stockfish to win this match because it was longer time control. A faster match Ivanhoe would have won and a really fast match Ivanhoe would have won big.Jouni wrote:I have feeling 200 games was overkill. In first 100 games SF won 52-48 and last 100 it won 50,5-49,5. Did it give any new information to us, I doubt..
Dear Don, predicting match results is not your strong point
When you look at results of Ivanhoe 9.46h CCRL 4/40 it scores 46,7 % against Stockfish 2.2.2
Ivanhoe 9.46h CCRL 40/40, it scores 45,1%
So conclusively, at shorter time control, Ivanhoe looses much clearer against Stockfish !
grts Bram
I believe 40/4 with 6 cpu's is also not what Don meant by a faster match.
He probably thought about something like 40 moves/1 minute with 4 cpu when really fast match with 4 cpu's is probably something like 40 moves/10 seconds)
Uri
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pal larkin Joined: 15 Feb 2010
Posts: 831
Posted: Sun Jan 22, 2012 5:53 am Post subject: 800 10-sec games: RobboLito - IvanHoe - Stockfish
This match was basically to test if the new JA 2.2.2 sse4.2 "Intel" compile would no longer lose on time. Well, in its 536 games there were 8 losses on time by Stockfish. I do not know if that (1.5%) would be considered good or bad. I guess there is still at least a small problem since neither of the others had any time losses.
The time-control was game in 10 seconds plus 1 second per move on Intel core I7 920 at 2.66GHz using 4 cores HT off; Win 7 64 Home Premium; 6G RAM; pc doing nothing but the match while a game is being played.
Each engine used its default settings; no large pages; no end-game tablebases; 512 hash each; 4 cores each; ponder off. The openings are played using random choices from the "top200.pgn" created by Sedat Canbaz as part of his "perfect_2011" opening book; each opening is played as Black and White by each engine.
The below results are adjusted to change 5 of the 8 losses (3 v Robbo; 2 v Ivan) from losses to draws based on the evals of the final positions. The original result remains in the pgn which can be downloaded below.
The surprise for me was that Stockfish defeated both Ivanhoe and RobboLito in their head-to-head matches, and came a close 2nd overall in these super-fast games; RobboLito beating IvanHoe was not expected either.
Engine Pts RobboLito 0.10 Stockfish 2.2.2 IvanHoe999946h
1 RobboLito 0.10 SMP x64 279.0 + 71 = 123 - 74 + 51 = 191 - 26
2 Stockfish 2.2.2 JA SSE42 276.5 + 74 = 123 - 71 + 81 = 120 - 67
3 IvanHoe999946h x64 248.5 + 26 = 191 - 51 +67 = 120 - 81
Games here... http://www.datafilehost.com/download-dccf8772.html
Don wrote:I expected Stockfish to win this match because it was longer time control. A faster match Ivanhoe would have won and a really fast match Ivanhoe would have won big.Jouni wrote:I have feeling 200 games was overkill. In first 100 games SF won 52-48 and last 100 it won 50,5-49,5. Did it give any new information to us, I doubt..