Next 6 dan
This position is from a game between two strong professionals -- black was Rin Kaiho. I'm not sure of all the details of this story, but what I do know is very interesting. In the middle of the game, white played 1 below, thinking it sente. Black analyzed the position and decided the stones were alive in gote, and played elsewhere. Upon further analysis, white decided black was right, and left the position alone. The game ended with the stones still alive. Post-game analysis confirmed that they couldn't be killed. Later on, some random person called up the professional who had played white, and told him that the stones were dead. The pro hung up the phone. A while later the guy called back, "no, I'm serious, they really are dead." "Yeah, whatever," responed the pro, and hung up on him again. Eventually the guy called back a third time, "no, I'm serious, they really are dead!" So the professional took a look, and found out that he was right...
Research (Beta) Add / View flags +1
Author adum
Difficulty 6 dan (history)
AVG solve time 74 sec
User attempts 226 / 2226
Genre life and death
Similar problems
Created 2001-03-23
Source
Stars 4.56  (9 votes)
Collections
Your attempts N/A
This feature allows you to explore how other users have tried to solve this problem. The number appearing in an intersection shows how many people went down that particular path. As well as being nice for curiosity's sake, this feature also shows problem creators where they might need to add more explanations of why certain moves don't work.
User Attempts
Name User Rating When Result Path Time
Chapter 5 kyu 2024-12-17 19:48:29 Failed C10 B10 B12 B11 B13 A14 A12 N/A
Chapter 5 kyu 2024-12-16 20:53:28 Failed C10 B10 B12 B11 B13 A14 A12 N/A
— 10 kyu 2023-09-07 05:09:54 Failed C10 B10 A13 B13 A14 A12 A15 N/A
— 5 kyu 2023-08-25 03:11:48 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 5 kyu 2023-08-25 01:13:01 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 5 kyu 2023-08-25 01:11:17 Failed C10 B10 B12 B11 B13 A14 C13 N/A
davidgoto 2 dan 2023-07-03 08:50:35 Got It C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 13 kyu 2023-06-20 04:45:04 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 13 kyu 2023-06-19 05:30:40 Failed C10 B10 B13 A14 A13 N/A
— 13 kyu 2023-06-18 07:08:10 Failed C10 B10 B13 A14 B12 B11 A12 A9 A13 N/A
— 13 kyu 2023-06-17 15:32:24 Failed C10 B10 A14 B13 A12 N/A
Athanatos 5 dan 2022-08-05 09:04:30 Failed C10 B10 B12 B11 B13 A14 A12 N/A
— 9 dan 2021-02-20 04:01:17 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
:go 1 dan 2020-09-03 22:24:58 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 1 kyu 2016-03-26 01:11:53 Got It C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 6 dan 2015-12-25 04:52:53 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
pento 10 kyu 2015-09-24 05:20:12 Failed C10 B10 B12 B11 B13 A14 B8 N/A
— 8 dan 2015-08-12 19:06:39 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 7 dan 2015-08-04 03:39:05 Failed C10 B10 B12 B11 B13 A14 A9 N/A
pento 10 kyu 2015-03-15 22:59:19 Failed C10 B10 B12 B11 B13 A14 B8 N/A
— 8 dan 2014-04-09 04:58:11 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
pento 10 kyu 2013-12-29 00:32:13 Failed C10 B10 B12 B11 A13 N/A
BartTM 2 kyu 2013-09-25 11:05:42 Failed C10 B10 B12 B11 A13 N/A
— 6 dan 2013-02-20 07:31:51 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 6 kyu 2013-01-19 19:41:50 Failed C10 B10 B12 B11 B13 A14 A9 N/A
Field Mouse 5 dan 2012-08-27 12:06:00 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A9 N/A
— 5 dan 2012-06-09 02:28:35 Failed C10 B10 B12 B11 B13 A14 A9 N/A
cheukyin 3 kyu 2012-04-26 23:21:10 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
cheukyin 3 kyu 2012-04-26 23:20:36 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
—´000 7 dan 2012-01-04 02:28:39 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
krt 9 dan 2012-01-02 19:37:38 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
Minirock 29 kyu 2011-11-16 05:01:14 Failed C10 B10 B13 A14 B12 B11 A9 A12 A10 B8 A8 A7 N/A
Spica 29 kyu 2011-08-31 11:46:31 Failed C10 B10 B13 A14 B12 B11 A9 A12 A10 B8 A8 A7 N/A
— 6 dan 2011-08-17 17:30:07 Failed C10 B10 B12 B11 B13 A14 A9 N/A
— 6 dan 2011-05-25 16:04:44 Failed C10 B10 B12 B11 B13 A14 A9 N/A
MrMoto 5 kyu 2010-10-25 15:24:39 Failed C10 B10 B12 B11 B13 A14 A9 N/A
alexandrk 1 dan 2010-08-26 06:15:26 Got It C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 N/A
alexandrk 1 dan 2010-08-26 06:13:21 Failed C10 B10 B12 B11 B13 A14 A12 N/A
— 6 dan 2010-05-26 16:14:38 Failed C10 B10 A12 B12 B13 N/A
— 29 kyu 2009-04-07 06:47:01 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 22 kyu 2008-12-22 13:43:09 Failed C10 B10 B11 B12 N/A
— 29 kyu 2008-06-15 19:03:40 Got It C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 N/A
— 29 kyu 2008-06-14 18:23:52 Failed C10 B10 B12 B11 B13 A14 A12 N/A
— 29 kyu 2008-03-06 04:51:59 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-03-03 20:54:52 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-03-02 15:41:29 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-03-02 05:14:35 Failed C10 B10 B13 A14 B12 B11 A13 B8 N/A
— 29 kyu 2008-02-29 06:31:25 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-27 14:35:24 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-25 20:23:55 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-23 21:23:10 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 B8 N/A
— 29 kyu 2008-02-21 14:07:58 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-19 11:28:14 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-17 20:31:18 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-13 21:59:42 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-13 02:17:55 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-12 14:03:45 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-12 03:43:32 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-07 03:18:40 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2008-02-05 18:59:07 Failed C10 B10 F11 N/A
— 29 kyu 2008-02-05 18:54:22 Failed C10 B10 B13 A14 C13 N/A
— 29 kyu 2007-05-10 12:54:05 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
— 29 kyu 2007-05-10 12:53:18 Failed C10 B10 B13 A14 B11 B12 N/A
LCZLAPINSKI 18 kyu 2007-01-30 21:02:34 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 N/A
LCZLAPINSKI 18 kyu 2007-01-30 19:48:22 Failed C10 B10 A13 B13 A14 A12 A15 N/A
ketran0 29 kyu 2006-11-13 19:25:50 Failed C10 B10 B12 B11 A12 A19 N/A
ketran0 29 kyu 2006-10-15 18:05:59 Failed C10 B10 B12 B11 A12 A19 N/A
— 8 kyu 2006-08-31 04:52:16 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 A19 N/A
— 28 kyu 2006-08-30 06:12:41 Failed C10 B10 A11 B13 B12 B11 A12 A13 A19 N/A
— 8 kyu 2006-08-30 04:36:23 Failed C10 B10 A12 B12 A14 A11 A13 B13 A15 A9 A19 N/A
— 4 dan 2006-06-01 14:05:38 Failed C10 B10 B12 B11 B13 A14 A12 A19 N/A
— 1 kyu 2006-03-28 02:40:32 Failed C10 B10 B12 B11 B13 A14 A12 N/A
— 1 kyu 2006-01-21 09:31:26 Failed C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 B7 N/A
Field Mouse 5 dan 2005-12-10 06:00:08 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
Field Mouse 5 dan 2005-12-10 05:59:40 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
MrMoto 5 kyu 2005-10-27 21:53:46 Failed C10 B10 B12 B11 B13 A14 B8 N/A
BartTM 2 kyu 2005-03-28 02:15:44 Failed C10 B10 B13 A14 B8 B12 N/A
— 5 kyu 2005-03-27 02:13:38 Failed C10 B10 B12 B11 B13 A14 A12 N/A
— 28 kyu 2005-03-26 21:45:01 Failed C10 B10 A12 B12 A14 A11 B13 N/A
— 29 kyu 2004-11-20 21:17:33 Got It C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 B7 N/A
— 29 kyu 2004-11-20 07:54:12 Failed B13 N/A
— 29 kyu 2004-11-20 07:52:22 Failed C10 B10 B13 A14 B12 B11 A12 A9 A11 A13 N/A
julien_wiesel 7 kyu 2004-11-18 09:53:28 Failed C10 B10 B13 A14 A11 N/A
— 7 kyu 2004-04-19 09:25:06 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 28 kyu 2003-12-08 16:26:43 Failed C10 B10 B13 A14 A12 N/A
BartTM 2 kyu 2003-06-11 03:47:07 Failed C10 B10 A13 B13 A11 N/A
— 18 kyu 2003-05-18 14:09:38 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 N/A
— 5 kyu 2003-05-16 00:36:25 Failed B13 N/A
— 5 kyu 2003-05-15 11:10:56 Failed B13 N/A
— 5 kyu 2003-05-15 02:12:49 Failed B12 N/A
adum 2 kyu 2003-01-25 14:38:06 Failed C10 B10 B12 B11 A12 N/A
Hans 29 kyu 2002-03-21 11:23:39 Failed C10 B10 B13 A14 B12 B11 A12 A9 A11 A13 N/A
— 1 kyu 2001-08-07 13:26:23 Failed C10 B10 B11 B12 N/A
— 1 kyu 2001-05-09 08:37:47 Failed C10 B10 B13 A14 B11 B12 N/A
Hans 29 kyu 2001-04-27 09:19:48 Failed C10 B10 B12 B11 A13 N/A
— 1 kyu 2001-04-26 11:22:16 Failed C10 B10 A12 B12 A14 A11 A13 B13 A9 N/A
Daniel 5 kyu 2001-03-23 20:34:18 Failed C10 B10 B12 B11 A13 N/A
hello 28 kyu 2001-03-24 01:15:04 Failed C10 B10 B12 B11 A12 N/A
Count Result Path
21 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10
7 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8
7 Failed C10 B10 B12 B11 B13 A14 A12
6 Failed C10 B10 B12 B11 B13 A14 A9
3 Failed C10 B10 B12 B11 B13 A14 B8
3 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8
2 Failed C10 B10 B12 B11 A13
2 Failed C10 B10 A13 B13 A14 A12 A15
2 Failed C10 B10 B12 B11 A12 A19
2 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10
2 Got It C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7
2 Failed C10 B10 B13 A14 B12 B11 A9 A12 A10 B8 A8 A7
2 Failed C10 B10 B12 B11 A12
2 Failed C10 B10 B12 B11 A13
2 Failed B13
2 Got It C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8
1 Failed C10 B10 B12 B11 B13 A14 C13
1 Failed C10 B10 B13 A14 A13
1 Failed C10 B10 B13 A14 B11 B12
1 Failed C10 B10 B13 A14 C13
1 Failed C10 B10 F11
1 Failed C10 B10 B13 A14 B12 B11 A12 A9 A13
1 Failed C10 B10 A14 B13 A12
1 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 B8
1 Failed C10 B10 B13 A14 B12 B11 A13 B8
1 Failed C10 B10 B11 B12
1 Failed C10 B10 A12 B12 B13
1 Failed C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A9
1 Failed C10 B10 B13 A14 B12 B11 A12 A9 A11 A13
1 Failed C10 B10 A12 B12 A14 A11 A13 B13 A9
1 Failed C10 B10 B13 A14 B11 B12
1 Failed C10 B10 B11 B12
1 Failed C10 B10 B13 A14 B12 B11 A12 A9 A11 A13
1 Failed B12
1 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8
1 Failed C10 B10 A13 B13 A11
1 Failed C10 B10 B13 A14 A12
1 Failed C10 B10 B13 A14 A11
1 Got It C10 B10 B13 A14 B12 B11 A13 C13 A12 A11 A9 B8 A8 A7 B7 A10 A8 A19
1 Failed B13
1 Got It C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 B7
1 Failed C10 B10 A12 B12 A14 A11 B13
1 Failed C10 B10 B13 A14 B8 B12
1 Failed C10 B10 B12 B11 B13 A14 A13 C13 A12 A11 A9 B8 A8 A7 B7
1 Failed C10 B10 B12 B11 B13 A14 A12 A19
1 Failed C10 B10 A12 B12 A14 A11 A13 B13 A15 A9 A19
1 Failed C10 B10 A11 B13 B12 B11 A12 A13 A19