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 Reversi

Reversi (Othello) and variants.


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10. March 2005, 07:27:03
Wil 
Subject: Re:
<>Czuch Chuckers: I thought there was a 6x6 >program that gaurantees a win 100% of games, no >matter what color?
Kitti is right: such a program could not guarantee to win itself ;-)

10. March 2005, 07:16:33
kitti 
Nope, player to move second (== black at BK) is guarenteed a win on perfect play. However, i haven't heard of program with such capability being publicly available. It took weeks on SGI workstation originally solve the game.

9. March 2005, 22:43:54
Czuch 
I thought there was a 6x6 program that gaurantees a win 100% of games, no matter what color?

9. March 2005, 22:37:21
kitti 
Subject: Re: Using "Othello" programs
Yes, there are some very strong othello programs. The Moor beat world champion in 1980 and since then programmes have been able to match human world championship level players. In 1997 program called Logistello did beat the current world champion Murakami 6-0 in six matches. Of course using such programs is considered cheating and it is prohibited in BK user agreement.

Surely it is quite hard to know if someone is using such program or if he/she is just a very good player. Personally, i don't even bother thinking about that. If someone chooces to use such tools, they're only fooling themselves. It doesn't take anything away from me as i'm not obsessed with ratings and stats. I still enjoy my games no matter whom i play against.

If you suspect someone is using such programs, try talking to them about the game. There might be something fishy if someone plays like a pro but cannot explain the moves. Also try playing them in 6x6 or 10x10 as programs for those are not quite as strong as the regular 8x8 ones. At least i'm not aware of such programs.

In my opinion, even if you think you have a strong case about someone being a cheat, it is not worth to go public with your accusations. It just causes bad feelings, flamewars and such. And the accusations could be false, it's not a easy task to prove someone cheats. If you think someone does cheat and you're bothered about it, just don't play against him/her anymore.

9. March 2005, 17:30:26
furbster 
They probably are around, but i would most definatly not use one. I play to get better not to be the best by cheating

9. March 2005, 16:40:45
Enid 
Subject: Othello programmes?
I didn't even KNOW there was such a thing. Do some players on here use them? Is that why it is so difficult to win a game? Or is it that I am too 'thick' :-)

8. March 2005, 14:46:34
515484 
Subject: Using "Othello" programs
I’ve got a question about „Othello“ programs... Are they really so strong as they are called? Do they don’t have a weakness?
I would say I was a experienced player few years ago (but perhaps not so good as most payers here at brainking :) ), but I mostly played against programs in private.
In chess the programs have big problems with positional play and game strategies like in the opening called King’s Gambit. They always say that black has an advantage, but it is not so easy to say.
Can’t it be so in “Othello“ too?

I can’t say that cheating (using programs) is okay or not. But it should be a fair not using these programs. But you can’t control it that everyone isn’t cheating. So a prohibition doesn’t make sense.

I would be happy about every answer.

PS: I’m sorry for my bad English…

7. March 2005, 19:36:53
Hrqls 
thanks

26. February 2005, 15:06:42
kitti 
6x6 has been solved. With optimal play player 2 is guaranteed a 19-17 win with parallel opening position and 20-16 with diagonal opening. More info at: http://www.feinst.demon.co.uk/Othello/6x6sol.html

I guess the bigger ones will not be solved ever.

24. February 2005, 21:51:48
Hrqls 
Subject: reversi solved ?
are any of the reversi variants on here solved ?

i can understand 6x6 being solved .. but not sure

16. January 2005, 05:04:17
Orlandu 
Subject: Re:
Hrqls: Most sites give the option to go both ways... Gives it more options to work with than play 100 games the same way...

12. January 2005, 13:18:40
Hrqls 
*nod* it was also explained to me in the reversi-ep fellowship :)

thanks :)

sorry for moving a bit slower now .. i have a lot to think about in reversi ;)

11. January 2005, 23:25:37
Cientos 
Subject: Re:
Hrqls:

Before the game got the name "Othello" it was allowed; also, I think another rule was added with the change of name (about sharing the discs). So, this we play must be another variant.

11. January 2005, 15:03:18
Hrqls 
in my reversi rules it says you have to start diagonally
XO OX
OX XO

but on here you can also start horizontally or vertically

XX OO XO OX
OO XX XO OX

is that allowed ?

8. November 2004, 21:17:15
Logistello 
Subject: Fantasy Othello
The World Othello Championships are nearly upon us. So why not play Fantasy Othello - full details can be found here

22. September 2004, 05:18:17
Stevie 
Subject: 8x8 team tourny
I still need 2 players for this tourny in SCRL fellowship, we have 6 players in the team, but 2 of them cant play :o(

20. September 2004, 13:53:32
Rose 
Subject: 2 players needed
Polygonal Alien killers are looking for 2 strong 8x8 reversi players to join the team for the upcoming 8x8 team tourney.. Any one interested please contact Ripley at PAK

1. September 2004, 20:19:56
Czuch 
Subject: Re:
I think , in 8x8, there is more advantage for white in a non diagnal start.... the common courtesy , to make it a more fair game, is to use diagnal start

31. August 2004, 19:44:26
kitti 
Usually fixed diagonal starting position is used so the parellel starting might be confusing to seasoned reversi veterans :) Other than that its really not an issue. At least not in 8x8 nor in 10x10.

31. August 2004, 17:35:05
coan.net 
So what is better to start with - your pieces right next to each other, or diagnal starting position? Is there an advantage/disadvantage to either of these?

I'm normally not a big Reversi player, but with the 10x10 team tournament starting, and the 6x6 comming soon.....

6. August 2004, 21:50:12
KevJon 
Subject: Re:
Rounding sounds the most logical.

Thanks all.

6. August 2004, 21:31:36
KevJon 
Subject: Re:
lol @ stevie

5. August 2004, 21:01:26
CaoZ 
Subject: Tournament
WE need 3 more players to complete the 6x6 reversi team anuy interesed??? the fellowship its reversi-esp....

3. August 2004, 12:51:11
Stevie 
If it was rounded, I would say same as Rod, more games = more established, should be number 1 :o)

I need 1 more player to join my 10x10 team for the tourny, any takers?

I feel privaledged that I beat you Kevjon, its a shame it was on GT and not here though :o(

3. August 2004, 05:51:37
Kevin 
Yes, I don't believe rounded ratings are stored - so the one that's listed as higher would likely be the higher one, even though they round to the same whole number.

3. August 2004, 05:03:19
Vikings 
Modified by Vikings (3. August 2004, 05:04:08)
I'm pretty sure the rating is carried out to the highest fraction, ie. 2167.4

3. August 2004, 04:50:04
rod03801 
I would guess it would be the one with MORE games.. That would make it even more established than someone with less games...
just a guess, though..
:-)

3. August 2004, 01:15:21
keops 
Subject: Re: Ratings
i would put in first place to the player with less games played, but i don't know what think Fencer, he is the programmer

2. August 2004, 23:14:41
KevJon 
Subject: Ratings
If 2 people have the same #1 rating, what is the deciding factor that determines who's #1 and who's #2?

2. August 2004, 23:06:52
KevJon 
Subject: Re:
you're getting closer and closer though! and i consider you a strong player.

2. August 2004, 23:02:11
Rose 
who me? I dont think I am. (if you mean me Kev) I cant beat you yet!!!

2. August 2004, 23:01:05
KevJon 
Subject: Re:
and i thought u said u weren't a strong player!

29. July 2004, 15:05:33
Rose 
well right now its just two of us so we may not even get in to the tourney. Looks like all reversi 10x10 players are on teams!

29. July 2004, 15:00:56
Stevie 
Thats because that fellowship only wants the best and to win ;o)

29. July 2004, 14:59:14
Rose 
I got snapped up pretty quick Stevie. I dont think I had the message up more then a few minutes and Ripley snagged me as team captain. Look forward to playing ya tho!

29. July 2004, 14:57:24
Stevie 
You can join the SCRL one if you like

29. July 2004, 14:33:40
Rose 
Any team lookin for a strong 10x10 player for the reversi team tourney let me know. Currently I am not on any 10x10 team

28. June 2004, 02:05:17
Stevie 
LOLI wont win any of themm either

28. June 2004, 01:44:33
rod03801 
LOL.. You've got 3 going against me right now.. I'll go move on them.. I've been in the process of trying to catch up on some of my older tournaments that I'm holding up.. :-(

28. June 2004, 01:37:43
Stevie 
all the more reason for more of us to play you then LOL

28. June 2004, 01:33:28
rod03801 
i have enough right now! Besides, I'm on a losing streak.. :-(

28. June 2004, 01:20:20
Stevie 
Any one want a tourny?

1. June 2004, 23:56:52
Stevie 
It doesnt make a diference to me, but for now, to get it up and running and iron out the bugs, easier this way, fewer players

1. June 2004, 22:25:37
Czuch 
Subject: Re: I got my better luck didnt I Kitti :o)
Steve...why cant pawns get into the ladder web site and play too? hy must the be required to be in the fellowship? It doesn't seem to me like that should really make a difference.

1. June 2004, 01:32:50
Rose 
whoa a downward spiral on 10x10 but you will pick it back up.. im managing a slim second on 10x10 but flailing big time on 8x8 in ladders

1. June 2004, 01:21:49
Stevie 
Thanks, but take a look at the 10x10 ladder 3 losses and big red arrow LMAO

1. June 2004, 01:18:25
Rose 
wtg again!

31. May 2004, 20:01:45
Stevie 
Its says I am on a winning streak, half the other ladders have me with a red down one LOL you can guess that easily

31. May 2004, 19:58:04
Rose 
Subject: Re: I got my better luck didnt I Kitti :o)
wtg Steve, whats the green arrowy lookin thing mean? not seen one o them yet

31. May 2004, 19:46:15
Stevie 
Subject: I got my better luck didnt I Kitti :o)
Here you are guys, thi8s is what the Reversi ladder looks like, unfortunately its only open to thosae who join the ladder fellowship. So knights and rooks. BK Reversi ladder

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