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 Post subject: Cosumi
Post #1 Posted: Sat Aug 23, 2014 1:58 pm 
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Hi there. Have been playing Cosumi Go (http://www.cosumi.net/en/) and it's not bad, but can't find much critical info on it. I'd like to know how people evaluate it against other online computer go sets. Also about what rank would you assess Cosumi?

Thanks

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 Post subject: Re: Cosumi
Post #2 Posted: Sat Aug 23, 2014 2:05 pm 
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Never seen it before. I played it a 9x9 on the highest level and won by 16.5 points and on the next highest level I won by 36.5 point. So I guess it is not too strong.

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Last edited by DrStraw on Sat Aug 23, 2014 2:12 pm, edited 1 time in total.
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 Post subject: Re: Cosumi
Post #3 Posted: Sat Aug 23, 2014 2:09 pm 
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DrStraw wrote:
Never seen it before. I played it a 9x9 on the highest level and won by 16.5 points so I guess it is not too strong.


Can you try 13x13 ?

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 Post subject: Re: Cosumi
Post #4 Posted: Sat Aug 23, 2014 2:32 pm 
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The thing is so slow I don't know if I have the time or patience to try 13x13. And certainly not 19x19.

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Still officially AGA 5d but I play so irregularly these days that I am probably only 3d or 4d over the board (but hopefully still 5d in terms of knowledge, theory and the ability to contribute).

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 Post subject: Re: Cosumi
Post #5 Posted: Sat Aug 23, 2014 2:39 pm 
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DrStraw wrote:
The thing is so slow I don't know if I have the time or patience to try 13x13. And certainly not 19x19.


Okay. It's very quick when I play, less than 1 sec per move. I think I'm not as good as I thought I was at go because it beats me more than half the time 13x13 how sad...

:sad:

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 Post subject: Re: Cosumi
Post #6 Posted: Sat Aug 23, 2014 2:59 pm 
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I beat it even on 19x19 by 95 points. Somewhat hard to gauge level from that as I stopped trying much after a big kill, but maybe 5k?

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 Post subject: Re: Cosumi
Post #7 Posted: Sat Aug 23, 2014 3:07 pm 
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Definitely not as good as I thought I was then... Had rarely played online or computer go.

Can I ask a recommended place to play online with people and get a sense of my rank, as I'm very curious now.

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 Post subject: Re: Cosumi
Post #8 Posted: Sat Aug 23, 2014 3:47 pm 
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MDP wrote:
Definitely not as good as I thought I was then... Had rarely played online or computer go.

Can I ask a recommended place to play online with people and get a sense of my rank, as I'm very curious now.



KGS for real time and DGS for turn-based.

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Still officially AGA 5d but I play so irregularly these days that I am probably only 3d or 4d over the board (but hopefully still 5d in terms of knowledge, theory and the ability to contribute).

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 Post subject: Re: Cosumi
Post #9 Posted: Sat Aug 23, 2014 3:56 pm 
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DrStraw wrote:
Never seen it before. I played it a 9x9 on the highest level and won by 16.5 points and on the next highest level I won by 36.5 point. So I guess it is not too strong.


Assuming the highest level of cosumi is always stronger than the previous level, by induction you'd beat God by 354.5 points

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 Post subject: Re: Cosumi
Post #10 Posted: Sat Aug 23, 2014 5:33 pm 
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DrStraw wrote:
MDP wrote:
Definitely not as good as I thought I was then... Had rarely played online or computer go.

Can I ask a recommended place to play online with people and get a sense of my rank, as I'm very curious now.



KGS for real time and DGS for turn-based.


☯GS for both :-) OGS — Online Go Server

Regards, Tom

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 Post subject: Re: Cosumi
Post #11 Posted: Sun Aug 24, 2014 8:15 am 
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If you can afford to use your internet connection for the purpose, there are servers offering games between humans (or bots) of which KGS is an example.

If you can't afford to do that (I can't for example, just one phone line here) there are perhaps stronger free programs you might try depending on your hardware and operating system. And there are certainly stronger programs available for a price (again perhaps subject to operating system limitations as might not be available for yours).

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 Post subject: Re: Cosumi
Post #12 Posted: Sun Aug 24, 2014 8:38 am 
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RBerenguel wrote:
DrStraw wrote:
Never seen it before. I played it a 9x9 on the highest level and won by 16.5 points and on the next highest level I won by 36.5 point. So I guess it is not too strong.


Assuming the highest level of cosumi is always stronger than the previous level, by induction you'd beat God by 354.5 points


I had to read this three times before I understood your confusion. In common English usage the expression "next highest" does not mean one step higher, it means one step lower. Sort of like "penultimate" does not mean later or greater but one before the last.

English is full of strange expressions that most native speakers never notice are ambiguous or silly. For your amusement: http://www.gray-area.org/Research/Ambig/


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 Post subject: Re: Cosumi
Post #13 Posted: Sun Aug 24, 2014 8:42 am 
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Aidoneus wrote:
RBerenguel wrote:
DrStraw wrote:
Never seen it before. I played it a 9x9 on the highest level and won by 16.5 points and on the next highest level I won by 36.5 point. So I guess it is not too strong.


Assuming the highest level of cosumi is always stronger than the previous level, by induction you'd beat God by 354.5 points


I had to read this three times before I understood your confusion. In common English usage the expression "next highest" does not mean one step higher, it means one step lower. Sort of like "penultimate" does not mean later or greater but one before the last.

English is full of strange expressions that most native speakers never notice are ambiguous or silly. For your amusement: http://www.gray-area.org/Research/Ambig/


I wasn't confused, I know this weird gradation in English (in Spanish it is actually similarly formed, so it's probably common among many languages?), just wanted to add a minor joke to the conversation using the fact that indeed, English is quite a weird language and DrS a mathematician

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 Post subject: Re: Cosumi
Post #14 Posted: Sun Aug 24, 2014 9:15 am 
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RBerenguel wrote:
Aidoneus wrote:
Assuming the highest level of cosumi is always stronger than the previous level, by induction you'd beat God by 354.5 points


I had to read this three times before I understood your confusion. In common English usage the expression "next highest" does not mean one step higher, it means one step lower. Sort of like "penultimate" does not mean later or greater but one before the last.

English is full of strange expressions that most native speakers never notice are ambiguous or silly. For your amusement: http://www.gray-area.org/Research/Ambig/


I wasn't confused, I know this weird gradation in English (in Spanish it is actually similarly formed, so it's probably common among many languages?), just wanted to add a minor joke to the conversation using the fact that indeed, English is quite a weird language and DrS a mathematician[/quote]

Ahh, I didn't realize that it was deliberate malapropism for the sake of a math joke. :lol:

Q: How many mathematicians does it take to change a light bulb?
A: One: she gives it to three physicists, thus reducing it to a problem that has already been solved.
#########################

A physicist, a biologist, and a mathematician are sitting on a bench across from a house. They watch as two people go into the house, and then a little later, three people walk out.

The physicist says, "The initial measurement was incorrect."

The biologist says, "They must have reproduced."

And the mathematician says, "If exactly one person enters that house, it will be empty."

##################

Infinitely many mathematicians walk into a bar. The first says, "I'll have a beer." The second says, "I'll have half a beer." The third says, "I'll have a quarter of a beer." The barman pulls out just two beers. The mathematicians are all like, "That's all you're giving us? How drunk do you expect us to get on that?" The bartender says, "Come on guys. Know your limits."

#####################

An infinite number of mathematicians walk into a bar. The first one orders a beer. The second orders half a beer. The third orders a third of a beer. The bartender bellows, "Get the hell out of here, are you trying to ruin me?"
##################

For my math students:
"Quapropter bono christiano, sive mathematici, sive quilibet impie divinantium, maxime dicentes vera, cavendi sunt, ne consortio daemoniorum animam deceptam, pacto quodam societatis irretiant."
("Thus the good christian should beware of mathematicians and all those who make false prophecies, however much they may in fact speak the truth; lest, being in league with the devil, they may deceive errant souls into making common cause.")
Augustinus (De genesis ad literam, Liber 2, Caput XVII, Nr. 37)


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 Post subject: Re: Cosumi
Post #15 Posted: Sun Aug 24, 2014 9:38 am 
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RBerenguel wrote:
I wasn't confused, I know this weird gradation in English (in Spanish it is actually similarly formed, so it's probably common among many languages?), just wanted to add a minor joke to the conversation using the fact that indeed, English is quite a weird language and DrS a mathematician


Sorry. It went over my head. It made no sense to me so I ignored it.

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Still officially AGA 5d but I play so irregularly these days that I am probably only 3d or 4d over the board (but hopefully still 5d in terms of knowledge, theory and the ability to contribute).

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 Post subject: Re: Cosumi
Post #16 Posted: Sun Aug 24, 2014 9:42 am 
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DrStraw wrote:
RBerenguel wrote:
I wasn't confused, I know this weird gradation in English (in Spanish it is actually similarly formed, so it's probably common among many languages?), just wanted to add a minor joke to the conversation using the fact that indeed, English is quite a weird language and DrS a mathematician


Sorry. It went over my head. It made no sense to me so I ignored it.


No problem, it was silly, I know.

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 Post subject: Re: Cosumi
Post #17 Posted: Mon Aug 25, 2014 2:24 am 
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You guys are fun. I gave my head a shake and now can beat Cosumi, I was out of practice I suppose. Agree it might be about 5 Kyu. Will visit the online human vs human sites you recommended thanks!

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 Post subject: Re: Cosumi
Post #18 Posted: Mon Aug 25, 2014 3:01 am 
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Aidoneus wrote:
Q: How many mathematicians does it take to change a light bulb?
A: One: she gives it to three physicists, thus reducing it to a problem that has already been solved.

Q: How many psychologists does it take to change a light bulb?
A: One: but the light bulb should accept to change...


[EDIT]just to come back to the subject, Cosumi level 5 blow me away on an 9x9 :blackeye: ...[/EDIT]

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 Post subject: Re: Cosumi
Post #19 Posted: Sun May 17, 2015 9:07 pm 
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COSUMI is a strong Go-playing program for those below shodan level, especially at the highest levels of difficulty. Those 1d and higher may find it not too difficult to win against it even on the highest level of difficulty on 9x9 and 13x13 boards. I played a 19x19 game with 2-stone handicap against COSUMI and won by 38 points, while I have hardly been able to win against the same program on 9x9 board, at least at the higher levels of difficulty. (Though I lose all the time, I find this to be a good way to practice my tactical skills.)

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 Post subject: Re: Cosumi
Post #20 Posted: Sun May 17, 2015 11:09 pm 
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Aidoneus wrote:
In common English usage the expression "next highest" does not mean one step higher, it means one step lower.


Which means that next higher is higher than next highest. ;)

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