It doesn't look that easy to me. Have you tried playing it against Erica? Erik
On Sun, Dec 2, 2012 at 3:02 PM, Aja Huang <ajahu...@gmail.com> wrote: > In game 3 (Zen as W vs. So 8p), I don't understand why Zen didn't simply > extend at G8 (move 24). That would be an easy win if Zen lived a group at > that corner. > > Aja > > > 2012/12/2 Hiroshi Yamashita <y...@bd.mbn.or.jp> >> >> Hi, >> >> Zen lost six games against pros in 9x9 on November 25. >> Each three pros played two games, black and white. >> I tried these six resignation positions by Aya 100k playouts. >> >> Game, Winrate for Aya >> 1 0.45 34th move, W to play, vs ICHIRIKI Ryo 2p >> 2 0.33 53rd move, B to play, vs OHASHI Hirofumi 5p >> 3 0.14 34th move, W to play, vs SO Yokoku 8p >> 4 0.37 27th move, B to play, vs ICHIRIKI Ryo 2p >> 5 0.56 34th move, W to play, vs OHASHI Hirofumi 5p >> 6 0.27 51st move, B to play, vs SO Yokoku 8p >> >> For Aya, game 1 and 5 are difficult. >> Maybe we need to understand these losses with smaller playouts? >> >> >> Official page(in Japanese) >> Computer Go challenges pros in 9x9 part 2, fighting without gloves. >> http://entcog.c.ooco.jp/entcog/event/event20121125.html >> sgf (player's info updated) >> http://entcog.c.ooco.jp/entcog/event/kifu_20121125.zip >> >> Newspaper report. (in Japanese) >> Pros won all games against computer in 9x9. >> http://www.asahi.com/igo/topics/TKY201211270576.html >> Following is abstract. >> Computers strength is close to pros in 9x9. But pros made position >> difficult intentionally, computer made mistakes and lost. >> Zen almost won its first game, but W 18th, 20th were deep reading >> moves, and saved the game. From this game result, pros guessed >> "If we make one difficult space, computer might be rough on the >> other side.". So Ohashi 5 pro made a few ko-ish shapes in his >> first game, and he didn't start ko soon. Ohashi played two 9x9 >> games against Zen this March. It was 1 win 1 loss. He said >> "I have studied well and played thinking of Zen's behavior." >> (He has written artilces about 9x9 Go in Japanese Go Journal.) >> >> Another report in Chinese, I can't read though. >> http://news.sina.com.tw/article/20121125/8393009.html >> >> Regards, >> Hiroshi Yamashita >> >> >> ----- Original Message ----- From: "Hideki Kato" <hideki_ka...@ybb.ne.jp> >> To: <computer-go@dvandva.org> >> Sent: Monday, November 26, 2012 7:31 AM >> Subject: Re: [Computer-go] Zen beat Ha,Yongil 5p with 4 stones (Re: TAAI >> details?) >> >> >>> Thank you Hiroshi. >>> >>> The names of the players are swapped, sorry all. >>> >>> The games were: >>> 1) Ichiriki 2p (B) vs Zen, >>> 2) Ohashi 5p (W) vs Zen, >>> 3) So 8p (B) vs Zen, >>> 4) Ichiriki 2p (W) vs Zen, >>> 5) Ohashi 5p (B) vs Zen, >>> 6) So 8p (W) vs Zen. >>> >>> The time setting was: 20 min main time and 30 second for every move (no >>> extra byo-yomi). Chinese rules and 7.0 komi were used. Zen's hardware was >>> 4 pc cluster (12, 6, 6 and 6 cores) at 4 GHz, same as TAAI and Zen19D/S on >>> KGS. >>> >>> Professinals used much longer time than Zen; more than 20 min in four >>> games of six while Zen used 10 or 15 min for all games. Sometime they >>> thought more than 5 min (upto 10) for a move, move 11 of the first game for >>> example. On the first game, Zen would play J4 (hane) next at move 16 (cut) >>> but actually played G3 and went into "Sekito-shibori (two stone edge >>> squeeze)" course. Either showed about 80% winrate but Ichiriki 2p said J4 >>> could lead a safer win for W. Actually Zen had sure chances to win; hard >>> luck. >>> >>> Zen had chances to draw in some games in Black but selected much risky >>> (actually losing) moves. I guess this caused by implementing draws by >>> adding a third value, 0.5, to UCB. To play a draw move, all better looking >>> moves (by prior) have to be refused, or proved worse than 0.5. This could >>> take pretty long time in some positions. #Faking komi to 6.5 might help but >>> a better solution possible? >>> >>> Hideki >>> >>> Hiroshi Yamashita: <313F02D8CF2F41D6AD89D1A42486DD59@x60>: >>>> >>>> Hi, >>>> >>>>>> The game records can be downloaded from >>>>>> http://entcog.c.ooco.jp/entcog/event/kifu_20121125.lzh . >>>>> >>>>> >>>>> I can not read that format. Can someone please translate it into >>>> >>>> >>>> I changed it to zip. >>>> http://www.yss-aya.com/kifu20121125.zip >>>> >>>> I was impressed So Yokoku 8p comment, >>>> "Zen is apt to make a mistake when we make two places that may >>>> become ko. It makes game complex. Actual playing ko makes game simple." >>>> >>>>> Didn't it win the first game? >>>> >>>> >>>> Sgf's player color is wrong. Black is Ichiriki 2p in first game. >>>> Zen lost all 6 games. >>>> >>>> Regards, >>>> Hiroshi Yamashita >>>> >>>> _______________________________________________ >>>> Computer-go mailing list >>>> Computer-go@dvandva.org >>>> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >>> >>> -- >>> Hideki Kato <mailto:hideki_ka...@ybb.ne.jp> >>> _______________________________________________ >>> Computer-go mailing list >>> Computer-go@dvandva.org >>> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >> >> _______________________________________________ >> Computer-go mailing list >> Computer-go@dvandva.org >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > > > > _______________________________________________ > Computer-go mailing list > Computer-go@dvandva.org > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go _______________________________________________ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
