man vs machine

Discussion of anything and everything relating to chess playing software and machines.

Moderator: Ras

james uselton

man vs machine

Post by james uselton »

Ok---you have the strongest chess program, and a state of the art computer. How much handicap would the leading Grandmasters need---to have a chance of winning?
User avatar
michiguel
Posts: 6401
Joined: Thu Mar 09, 2006 8:30 pm
Location: Chicago, Illinois, USA

Re: man vs machine

Post by michiguel »

james uselton wrote:Ok---you have the strongest chess program, and a state of the art computer. How much handicap would the leading Grandmasters need---to have a chance of winning?
110 Volts.

Miguel
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: man vs machine

Post by zullil »

james uselton wrote:Ok---you have the strongest chess program, and a state of the art computer. How much handicap would the leading Grandmasters need---to have a chance of winning?
How good a chance? :roll:

I really have no feeling for this. That said, I wonder if pawn+move would make the GM's probability of winning greater than the program's.
Milos
Posts: 4190
Joined: Wed Nov 25, 2009 1:47 am

Re: man vs machine

Post by Milos »

zullil wrote:I really have no feeling for this. That said, I wonder if pawn+move would make the GM's probability of winning greater than the program's.
Against top program on i7 even minor piece might not be enough.
User avatar
Mike S.
Posts: 1480
Joined: Thu Mar 09, 2006 5:33 am

Re: man vs machine

Post by Mike S. »

Milos wrote:Against top program on i7 even minor piece might not be enough.
I would have made the same assumption, but then Rybka, on 8 cpu cores, played a match at knight odds against a FM (2284 Elo) and lost all four games:

http://rybkaforum.net/cgi-bin/rybkaforu ... l?tid=4249

Thinking time was 30m+30s only. which IMO made it more difficult for the human opponent (compared to 40/2h or similar).

By that I learned that if we talk about rather big odds, strong human players must not be underestimated vs. comps.

One pawn only is a much different question. There were some Rybka vs. IM/GM matches with this and other odds:

http://www.rybkachess.com/index.php?auswahl=Events
Regards, Mike
gerold
Posts: 10121
Joined: Thu Mar 09, 2006 12:57 am
Location: van buren,missouri

Re: man vs machine

Post by gerold »

Milos wrote:
zullil wrote:I really have no feeling for this. That said, I wonder if pawn+move would make the GM's probability of winning greater than the program's.
Against top program on i7 even minor piece might not be enough.
I piece may be enough. There would be a lot of draw gamesIMO.
kurt

Re: man vs machine

Post by kurt »

james uselton wrote:Ok---you have the strongest chess program, and a state of the art computer. How much handicap would the leading Grandmasters need---to have a chance of winning?
Well; I venture to speculate that a high rated human if given a chance to consult with his prepared opening book lines with adequate time allocation should hold the presently best engine running on a fast computer to a draw.
Humans need to stay within familiar positions previously analyzed in great depth to overcome the engine search depth with pattern recognition where a normal 6 ply depth calculation is adequate to match 20ply or more of brute force position evaluations.
It seems only fair to make available the same opening library to humans when facing silicon monsters which use opening book lines to guide them into a sound position from which they can outplay humans.
But in speed chess humans only chance to hold is if the engine happens to select an opening line which allows guidance by perception where the degree of difficulties makes shallow depth search sufficient to match deep search because of the absent of imitate threats where the engine has multiple choices leading to no significant evaluation gains.
Yes I know this is a hotly debated topic. But my opinion stems from playing a lot of correspondence and OTB master level chess myself. IMO opening theory has already reached a level to an equivalent 3000 ELO rating and if allowed to consult should hold any engine to a draw.
User avatar
Mike S.
Posts: 1480
Joined: Thu Mar 09, 2006 5:33 am

Re: man vs machine

Post by Mike S. »

FM John Meyer with 2284 Elo won all four knight odds games against Rybka on an octo, in a 30+30 match.

No draws :mrgreen:
Regards, Mike
kurt

Re: man vs machine

Post by kurt »

Mike S. wrote:FM John Meyer with 2284 Elo won all four knight odds games against Rybka on an octo, in a 30+30 match.

No draws :mrgreen:
This shows that engines can get outbooked by humans.
It also highlights the importance of book guidance for any engines.
User avatar
Mike S.
Posts: 1480
Joined: Thu Mar 09, 2006 5:33 am

Re: man vs machine

Post by Mike S. »

I don't think this had anything to do with "outbooked". Rybka used a small book for these knight odds games (which obviously is required to avoid doubles). So, Meyer couldn't have predicted Rybka's early opening moves because these weren't engine moves.

He won at the board.
Regards, Mike