Next 5 dan
The original problem is, the R18 being empty, "Can black tenuki to kill?". The answer is yes. But it is too difficult, so I restricted the first white move to R18 and made the goal "black to kill".
Research (Beta) Add / View flags +1
Author tails
Difficulty 5 dan (history)
AVG solve time 83 sec
User attempts 264 / 1887
Genre life and death ⓒ
Similar problems
Created 2004-02-29
Source NHK Igo-no-jikan 2004.02.28
Stars 4.83  (6 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
— 9 dan 2025-04-23 02:31:08 Failed S17 S18 T16 R17 T18 T17 N/A
BIHORO 13 kyu 2025-04-01 12:58:58 Failed P18 Q18 S17 T16 S18 T18 Q19 S19 N/A
— 14 kyu 2025-04-01 11:00:26 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-10-17 21:45:40 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-09-23 12:37:08 Failed S17 S18 T16 R17 T18 T17 N/A
— 9 dan 2024-07-30 02:30:16 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 6 dan 2024-07-10 11:17:47 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 6 dan 2024-07-10 11:17:36 Failed P18 Q18 S17 T16 S18 T18 S19 R17 T17 R19 N/A
— 6 dan 2024-07-10 11:17:19 Failed S17 S18 T16 R17 T18 T17 N/A
— 4 dan 2024-06-10 13:09:49 Failed S18 S17 P18 Q18 T19 N/A
@_sangu_lee 29 kyu 2024-06-04 14:32:45 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 4 dan 2024-05-04 07:17:08 Failed P18 Q18 S18 S17 S19 R19 N/A
— 8 dan 2024-05-02 12:07:02 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 4 dan 2024-05-02 09:38:45 Failed S18 S17 T18 T17 N/A
— 8 dan 2024-04-17 03:01:12 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-04-02 14:43:19 Failed S17 S18 T16 R17 T18 T17 N/A
— 1 dan 2024-03-28 23:20:01 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 7 dan 2024-03-25 16:56:31 Failed S17 S18 T16 R17 T18 T17 N/A
— 9 dan 2024-03-17 01:28:08 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-03-14 23:36:54 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 8 dan 2024-03-13 09:33:45 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 8 dan 2024-03-13 04:00:35 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-03-12 01:37:58 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
SlappyTappy 1 dan 2024-03-11 15:44:35 Failed T19 N/A
SlappyTappy 1 dan 2024-03-11 15:41:16 Failed P18 Q18 S18 S17 R19 T18 T19 N/A
SlappyTappy 1 dan 2024-03-11 15:39:19 Failed T18 S17 P18 Q18 Q19 R19 N/A
— 9 dan 2024-03-11 00:47:56 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 8 dan 2024-03-09 04:09:50 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 8 dan 2024-03-07 07:58:56 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-03-04 06:52:31 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-03-04 06:19:23 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-03-03 23:59:07 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-03-03 20:37:04 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 8 dan 2024-03-01 06:24:36 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-02-29 22:58:55 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-02-29 21:30:36 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-02-29 20:40:29 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 5 dan 2024-02-29 20:12:18 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
talent 22 kyu 2024-02-29 14:57:46 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 8 dan 2024-02-27 04:29:05 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 5 dan 2024-02-25 22:45:24 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 5 dan 2024-02-25 11:11:33 Failed S17 S18 T16 R17 T18 T17 N/A
Princelina 4 dan 2024-02-25 08:06:13 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 8 kyu 2024-02-23 14:53:20 Failed S18 S17 S19 T18 N/A
— 8 kyu 2024-02-23 14:52:13 Failed P18 Q18 S18 S17 T18 T17 N/A
— 28 kyu 2024-02-22 23:25:40 Failed S17 S18 T16 R17 T18 T17 N/A
— 9 dan 2024-02-22 16:47:10 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
Princelina 4 dan 2024-02-22 14:12:02 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-02-22 10:53:26 Failed S17 S18 T16 R17 T18 T17 N/A
Princelina 4 dan 2024-02-22 09:06:21 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 9 dan 2024-02-22 06:26:18 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
Princelina 4 dan 2024-02-22 00:58:42 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
Princelina 4 dan 2024-02-21 12:03:26 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
Werfeuss 28 kyu 2024-02-20 04:17:05 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
Werfeuss 28 kyu 2024-02-20 02:02:16 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
Princelina 4 dan 2024-02-20 00:20:21 Failed T18 S17 S18 T17 N/A
— 4 dan 2024-02-02 16:20:37 Failed S18 S17 T18 T17 N/A
— 2 kyu 2024-01-20 00:09:57 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 7 dan 2023-12-23 04:50:22 Failed S17 S18 T16 R17 T18 T17 N/A
— 2 kyu 2023-12-21 22:38:01 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
— 8 kyu 2023-09-18 19:42:20 Failed T17 T16 S18 S17 S19 T18 N/A
— 5 dan 2023-09-08 00:44:51 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 6 kyu 2023-08-08 02:32:36 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
davidgoto 3 dan 2023-07-26 18:06:16 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 6 kyu 2023-07-19 00:56:41 Failed S17 S18 T16 R17 T18 T17 N/A
— 3 kyu 2023-07-14 13:43:05 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 7 kyu 2023-06-30 07:59:37 Failed S17 S18 T16 R17 T18 T17 N/A
— 2 kyu 2023-06-20 00:37:47 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 3 dan 2023-06-09 18:21:11 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
— 13 kyu 2023-06-07 09:56:18 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 13 kyu 2023-06-07 01:14:24 Failed S18 S17 T18 T17 N/A
— 13 kyu 2023-06-06 11:57:38 Failed S18 S17 T18 T17 N/A
Spirit 7 dan 2023-05-30 19:23:47 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 6 kyu 2023-05-26 02:22:51 Failed P18 Q18 S18 S17 T18 T17 N/A
— 5 dan 2022-12-12 14:58:05 Failed P18 Q18 T18 S17 S18 T17 N/A
jmdingess 5 dan 2022-12-11 05:54:04 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 1 dan 2022-04-07 09:56:39 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 1 dan 2021-12-30 17:04:43 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2021-12-23 13:22:07 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
— 2 kyu 2021-11-22 01:41:16 Failed S17 S18 T16 R17 T18 T17 N/A
— 4 kyu 2021-09-16 11:37:19 Failed P18 Q18 S18 S17 S19 R19 N/A
— 1 dan 2021-08-05 22:05:22 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
:go 1 dan 2021-07-02 03:24:42 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 1 dan 2021-06-10 12:50:27 Failed P18 Q18 T18 S17 S18 T17 N/A
:go 1 dan 2021-04-12 20:31:23 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 6 kyu 2020-12-04 23:59:01 Failed S18 S17 T18 T17 N/A
— 2 kyu 2020-11-28 08:33:21 Failed S17 S18 T16 R17 T18 T17 N/A
— 9 dan 2020-11-04 13:29:28 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2020-05-02 13:24:15 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2020-05-02 13:20:39 Failed S17 S18 T16 R17 T18 T17 N/A
— 2 kyu 2020-03-13 15:53:41 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2020-03-13 15:49:18 Failed T18 S17 S18 T17 N/A
— 1 dan 2020-03-09 11:10:34 Failed P18 Q18 T18 S17 S18 T17 N/A
— 2 kyu 2020-02-18 12:41:31 Failed S18 S17 T18 T17 N/A
— 6 kyu 2020-01-22 02:01:47 Failed S18 S17 T18 T17 N/A
ranka 5 kyu 2020-01-07 15:15:46 Failed Q19 T18 S19 R19 T16 S17 Q18 P18 N/A
— 1 dan 2019-12-01 16:56:49 Failed P18 Q18 S18 S17 S19 R19 N/A
— 6 kyu 2019-11-21 21:09:00 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
— 5 dan 2019-10-28 16:19:34 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
ranka 5 kyu 2019-01-31 11:29:11 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
— 6 dan 2017-08-23 09:54:33 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 7 kyu 2016-11-10 20:48:04 Failed S18 S17 T18 T17 N/A
Athanatos 5 dan 2016-05-22 12:28:00 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 1 kyu 2016-01-30 01:57:32 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 8 dan 2015-08-16 20:49:49 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
briv 3 dan 2015-05-15 23:37:13 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
— 8 dan 2014-11-10 03:58:03 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
— 5 dan 2012-12-05 11:49:08 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
—´000 7 dan 2012-05-03 01:24:54 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
krt 9 dan 2012-01-03 19:46:22 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
— 6 dan 2011-06-20 17:37:03 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
— 2 kyu 2010-10-18 02:31:04 Failed S18 S17 T17 T16 T18 S19 N/A
gobluesky 19 kyu 2010-08-07 23:43:28 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
— 4 dan 2010-06-28 10:17:11 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
alexandrk 1 dan 2009-12-13 13:09:50 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
alexandrk 1 dan 2009-12-13 13:08:59 Failed S18 S17 T18 T17 N/A
— 2 kyu 2009-10-30 19:14:21 Failed S18 S17 T17 T16 T18 S19 N/A
— 24 kyu 2009-05-29 10:41:35 Failed T18 S17 Q19 R19 S18 N/A
— 15 kyu 2009-05-01 10:29:04 Failed S18 S17 P18 Q18 T19 N/A
— 29 kyu 2009-03-31 07:11:58 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
— 28 kyu 2009-01-14 18:55:31 Got It P18 Q18 S17 T16 S18 T18 S19 R17 N/A
— 28 kyu 2009-01-14 18:54:53 Failed Q19 T18 S17 S18 R19 N/A
Piccolo 4 kyu 2008-06-29 11:59:30 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
Dudzik 4 kyu 2007-03-12 11:22:10 Failed S18 S17 T16 T18 S19 P18 N/A
— 28 kyu 2007-02-07 11:23:19 Failed T16 S17 S18 T18 N/A
— 2 kyu 2006-11-25 04:30:31 Failed S18 S17 T17 T16 T18 S19 A19 N/A
— 4 dan 2006-11-21 02:06:45 Failed S18 S17 T18 T17 A19 N/A
— 4 dan 2006-05-24 14:50:58 Failed T18 S17 S18 T17 A19 N/A
— 2 kyu 2006-02-01 15:42:46 Failed P18 Q18 S18 S17 T18 T17 N/A
MrMoto 5 kyu 2005-12-13 23:36:09 Failed P18 Q18 T18 S17 S19 R19 T17 T16 N/A
MrMoto 5 kyu 2005-12-13 23:34:42 Failed S18 S17 T17 T16 S19 T18 N/A
Field Mouse 5 dan 2005-11-01 12:48:12 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
Field Mouse 5 dan 2005-11-01 12:47:38 Failed S17 S18 T18 T16 T17 P18 N/A
julien_wiesel 7 kyu 2004-11-15 09:28:26 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
— 29 kyu 2004-10-20 20:09:20 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 29 kyu 2004-10-20 20:06:06 Failed T18 S17 T16 T17 S18 T15 N/A
— 2 kyu 2004-09-04 17:20:21 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
hello 28 kyu 2004-08-22 14:30:26 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-06-15 09:06:26 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-06-11 09:35:14 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 12 kyu 2004-06-05 13:23:01 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
— 2 kyu 2004-06-05 10:56:25 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-05-24 09:40:00 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-05-20 08:49:01 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-05-03 19:02:27 Failed S18 S17 T17 T16 T15 T18 N/A
marwin 26 kyu 2004-04-04 14:03:55 Failed S17 S18 T16 R17 T18 T17 N/A
— 2 kyu 2004-03-23 11:33:50 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
Aret 29 kyu 2004-03-11 23:40:01 Failed S17 S18 T17 T16 N/A
— 2 kyu 2004-03-07 00:05:05 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-03-06 02:45:14 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-03-05 03:38:44 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 1 kyu 2004-03-05 03:08:46 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-03-04 08:38:23 Failed P18 T18 R19 N/A
— 2 kyu 2004-03-04 08:36:51 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
BartTM 2 kyu 2004-03-04 03:52:59 Failed P18 Q18 T16 S17 T18 T17 S19 N/A
— 5 kyu 2004-03-03 17:29:09 Failed S18 S17 P18 Q18 T19 N/A
— 2 kyu 2004-03-03 15:48:56 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-03-03 15:42:00 Failed R17 S17 N/A
— 2 kyu 2004-03-03 11:55:43 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-03-03 11:36:04 Failed P18 Q18 S19 S18 N/A
— 2 kyu 2004-03-03 11:32:06 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-03-03 11:07:00 Failed P18 T18 N/A
BartTM 2 kyu 2004-03-03 04:25:26 Failed T16 S17 Q19 Q18 T18 T17 S18 T15 N/A
— 1 kyu 2004-03-02 15:24:56 Got It P18 Q18 S17 T16 S18 T18 S19 R17 T15 Q19 T17 N/A
— 1 kyu 2004-03-02 00:56:46 Failed S17 S18 T16 R17 T17 T18 T15 P18 N/A
ciith 20 kyu 2004-03-01 09:30:15 Failed Q18 P18 N/A
Hans 29 kyu 2004-03-01 07:36:24 Failed S18 S17 T18 T17 N/A
— 5 kyu 2004-03-01 01:25:13 Failed S17 S18 T16 R17 T18 T17 N/A
— 12 kyu 2004-02-29 12:14:03 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 2 kyu 2004-02-29 10:18:51 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 28 kyu 2004-02-29 08:45:21 Failed Q19 T18 S17 S18 N/A
— 2 kyu 2004-02-29 08:12:06 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19 N/A
— 12 kyu 2004-02-29 08:06:21 Failed Q18 P18 N/A
Count Result Path
72 Got It P18 Q18 S17 T16 S18 T18 S19 R17 Q19
16 Failed S17 S18 T16 R17 T18 T17
11 Failed S17 S18 T16 R17 T17 T18 T15 P18
10 Failed S18 S17 T18 T17
9 Got It P18 Q18 S17 T16 S18 T18 S19 R17
8 Failed P18 Q18 S17 T16 S18 T18 S19 R17 Q19
3 Failed P18 Q18 S18 S17 T18 T17
3 Failed P18 Q18 T18 S17 S18 T17
3 Failed P18 Q18 S18 S17 S19 R19
3 Failed S18 S17 P18 Q18 T19
2 Failed S18 S17 T17 T16 T18 S19
2 Failed Q18 P18
2 Failed T18 S17 S18 T17
1 Failed Q19 T18 S17 S18 R19
1 Failed S18 S17 T16 T18 S19 P18
1 Failed T16 S17 Q19 Q18 T18 T17 S18 T15
1 Failed T18 S17 Q19 R19 S18
1 Got It P18 Q18 S17 T16 S18 T18 S19 R17 T15 Q19 T17
1 Failed Q19 T18 S19 R19 T16 S17 Q18 P18
1 Failed Q19 T18 S17 S18
1 Failed T17 T16 S18 S17 S19 T18
1 Failed S18 S17 S19 T18
1 Failed T18 S17 P18 Q18 Q19 R19
1 Failed P18 Q18 S18 S17 R19 T18 T19
1 Failed T19
1 Failed P18 Q18 S17 T16 S18 T18 S19 R17 T17 R19
1 Failed P18 Q18 S17 T16 S18 T18 Q19 S19
1 Failed P18 Q18 S19 S18
1 Failed T16 S17 S18 T18
1 Failed S18 S17 T17 T16 T18 S19 A19
1 Failed S18 S17 T18 T17 A19
1 Failed T18 S17 S18 T17 A19
1 Failed P18 Q18 T18 S17 S19 R19 T17 T16
1 Failed S18 S17 T17 T16 S19 T18
1 Failed S17 S18 T18 T16 T17 P18
1 Failed T18 S17 T16 T17 S18 T15
1 Failed S18 S17 T17 T16 T15 T18
1 Failed S17 S18 T17 T16
1 Failed P18 T18 R19
1 Failed P18 Q18 T16 S17 T18 T17 S19
1 Failed P18 T18
1 Failed R17 S17