Next 2 dan best move
Add / View flags +2 -2
Author munisai79 Created 2005-12-30
Difficulty 2 dan (history) Source KGS: allpotti vs. xinyue
AVG solve time 42 sec Stars 2.82  (11 votes)
User attempts 787 / 2886 Collections Tripod
Genre best move Your attempts N/A
Similar problems
Created 2005-12-30
Source KGS: allpotti vs. xinyue
Stars 2.82  (11 votes)
Collections Tripod
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 When Result Path
— 2023-11-23 09:47:57 Got It T17 R15 T15
— 2023-10-01 14:14:56 Failed R15 S17 T15 S18
— 2023-08-02 21:57:37 Failed R15 S17 T15 S18
— 2023-07-22 20:28:12 Got It T17 R15 T15
— 2023-05-23 18:59:04 Failed T16 S17 T17 T15 S18 R15
— 2023-05-20 13:57:17 Failed S17 R15 T15 S12 T18 T16 T17 S19
— 2023-03-14 23:01:57 Failed R15 S17 T15 S18
— 2023-03-13 12:39:07 Got It T17 R15 T15
— 2023-02-24 12:33:14 Failed T16 S17 S18 T15 T17 R15
— 2023-02-13 11:25:59 Got It T17 R15 T15
— 2023-02-11 22:42:55 Failed T16 S17 S18 T15 T17 R15
— 2023-02-03 20:30:52 Got It T17 R15 T15
— 2022-11-30 07:18:21 Failed R15 S17 T15 S18
— 2022-11-29 08:19:19 Failed R15 S17 T15 S18
— 2022-05-25 17:55:37 Failed T17 R15 T15
BartTM 2021-11-16 10:02:14 Failed T18 T16 S17 R15
— 2021-09-17 16:34:13 Failed R15 S17 T15 S18
— 2021-08-16 09:45:09 Failed R15 S17 T15 S18
— 2021-08-11 19:46:58 Got It T17 R15 T15
— 2021-07-17 12:44:03 Got It T17 R15 T15
— 2021-06-28 13:47:28 Failed R15 S17 T15 S18
— 2021-06-27 09:54:48 Got It T17 R15 T15
shamerrus 2021-06-20 10:14:45 Failed T18 T16 S17 R15
— 2021-05-18 17:24:38 Failed T17 R15 S18
— 2021-04-30 10:20:20 Failed T16 S17 S18 T15 T17 R15
— 2021-04-23 08:50:57 Got It T17 R15 T15
— 2021-04-23 08:50:22 Got It T17 R15 T15
— 2021-04-10 22:06:41 Got It T17 R15 T15
— 2021-03-28 09:52:51 Got It T17 R15 T15
— 2021-01-23 12:57:06 Got It T17 R15 T15
— 2021-01-16 23:30:57 Got It T17 R15 T15
— 2020-10-19 09:34:53 Got It T17 R15 T15
— 2020-08-20 10:44:44 Failed T16 S17 S18 T15 T17 R15
— 2020-07-23 13:30:48 Got It T17 R15 T15
— 2020-07-19 19:46:32 Got It T17 R15 T15
— 2020-05-16 16:20:29 Got It T17 R15 T15
— 2020-05-07 23:10:34 Failed T16 S17 S18 T15 T17 R15
— 2020-04-30 08:25:00 Failed T14
— 2020-04-21 14:39:09 Got It T17 R15 T15
— 2020-02-24 22:12:55 Failed S17 R15 T15 S12 T18 T16 S19 T14
— 2020-01-15 16:51:19 Failed T15 S17 R15 S18
— 2020-01-01 05:35:05 Failed R15 S17 T15 S18
— 2019-12-18 04:33:35 Failed T14
— 2019-11-17 23:09:01 Failed T17 R15 S18
— 2019-11-14 08:39:23 Failed S17 R15 T15 S12 T18 T16 T17 S19
— 2019-10-25 07:04:47 Got It T17 R15 T15
— 2019-10-02 10:11:15 Got It T17 R15 T15
shamerrus 2019-09-12 04:08:04 Failed T16 S17 S18 T15 T17 R15
— 2019-08-04 17:28:26 Got It T17 R15 T15
— 2019-07-19 13:40:51 Failed T17 R15 S18
— 2019-06-28 00:24:13 Failed T16 S17 S18 T15 T17 R15
— 2019-06-20 09:59:40 Got It T17 R15 T15
— 2019-06-11 19:47:34 Got It T17 R15 T15
— 2019-06-11 18:17:12 Got It T17 R15 T15
— 2019-06-03 10:43:07 Got It T17 R15 T15
— 2019-06-03 06:53:36 Got It T17 R15 T15
— 2019-03-13 18:44:37 Got It T17 R15 T15
— 2018-05-23 15:09:42 Failed R15 S17 T15 S18
— 2018-03-27 03:00:47 Got It T17 R15 T15
— 2018-01-13 20:34:29 Failed S17 R15 T15 S12 T18 T16 S19 T14
— 2018-01-12 13:21:15 Got It T17 R15 T15
— 2018-01-12 13:21:09 Got It T17 R15 T15
— 2018-01-12 13:20:57 Failed S17 R15 T15 S12 Q18 S19 T18 T16
— 2018-01-02 05:19:58 Failed T14
— 2017-12-09 01:30:54 Got It T17 R15 T15
— 2017-11-30 08:46:39 Got It T17 R15 T15
— 2017-11-28 20:31:31 Failed S17 R15 T15 S12 S19 T18 Q18 Q19
— 2017-08-29 13:22:57 Got It T17 R15 T15
ranka 2017-08-25 11:33:04 Failed R15 S17 T15 S18
— 2017-08-22 18:30:47 Got It T17 R15 T15
— 2017-08-10 15:51:33 Failed T16 S17 S18 T15 T17 R15
— 2017-08-08 21:15:29 Got It T17 R15 T15
Dreamracer 2017-07-03 18:22:55 Failed T17 R15 S18
shamerrus 2017-06-29 19:38:35 Failed T16 S17 S18 T15 T17 R15
— 2017-06-26 12:49:25 Failed T17 R15 T15
— 2017-06-02 20:57:00 Got It T17 R15
pento 2017-04-24 20:37:13 Failed T15 S17 R15 S18
pento 2017-04-24 02:39:59 Failed R15 S17 T15 S18
pento 2017-04-23 03:42:26 Failed R15 S17 T15 S18
BartTM 2017-03-29 11:01:01 Failed T15 S17 R15 S18
— 2017-03-27 21:36:50 Got It T17 R15 T15
— 2017-03-25 19:55:55 Got It T17 R15 T15
— 2017-02-24 21:19:12 Got It T17 R15
— 2017-01-10 09:59:14 Failed T16 S17 R15 S18
— 2016-12-03 20:14:29 Got It T17 R15 T15
— 2016-11-16 16:11:49 Got It T17 R15
— 2016-11-08 20:26:30 Failed T17 R15
— 2016-11-06 21:43:15 Got It T17 R15 T15
Sampi 2016-09-23 17:24:25 Got It T17 R15
— 2016-09-20 14:57:15 Got It T17 R15 T15
— 2016-08-21 15:06:00 Failed R15 S17 T15 S18
— 2016-08-12 02:58:05 Got It T17 R15 T15
— 2016-08-10 14:58:19 Got It T17 R15 T15
— 2016-08-09 23:58:16 Got It T17 R15
— 2016-08-07 23:50:08 Got It T17 R15 T15
— 2016-07-09 08:05:17 Failed R15 S17 T15 S18
BartTM 2016-06-15 07:50:40 Failed S17 R15 T15 S12 T18 T16 T14 S19
— 2016-06-13 10:05:29 Failed R15 S17 T15 S18
— 2016-06-02 11:45:33 Got It T17 R15 T15
— 2016-05-21 12:18:26 Failed T17 R15 T14
— 2016-04-19 04:43:50 Failed T14
— 2016-04-18 12:09:45 Failed T16 S17 S18 T15 T17 R15
— 2016-04-09 23:47:47 Got It T17 R15 T15
— 2016-04-07 13:12:23 Failed S17 R15 T15 S12 T18 T16 S19 T14
— 2016-04-04 20:42:11 Got It T17 R15 T15
— 2016-04-01 20:57:07 Failed S17 R15 T15 S12 T16
— 2016-03-30 12:31:35 Got It T17 R15 T15
— 2016-03-14 12:00:34 Got It T17 R15 T15
— 2016-03-09 13:40:02 Failed T17 R15 S18
— 2016-03-05 23:09:35 Failed S17 R15 T15 S12 T18 T16 T17 S19
cheukyin 2016-02-16 07:54:49 Failed T16 S17 R15 S18
— 2016-01-29 00:52:15 Failed T16 S17 R15 S18
— 2016-01-24 20:09:42 Failed T17 R15 S18
— 2015-12-05 13:56:35 Failed R15 S17 T15 S18
rhysm 2015-11-30 07:36:28 Failed T14
— 2015-11-02 20:13:07 Got It T17 R15 T15
— 2015-10-27 06:44:13 Failed T15 S17 T17 T16
— 2015-10-15 09:35:18 Got It T17 R15 T15
— 2015-09-13 11:49:03 Failed S17 R15 T15 S12 T18 T16 T14 S19
— 2015-07-31 11:54:23 Failed T16 S17 T15
— 2015-07-19 16:43:21 Got It T17 R15 T15
— 2015-07-11 20:58:31 Got It T17 R15 T15
— 2015-07-01 09:11:37 Got It T17 R15 T15
— 2015-06-19 20:43:23 Failed T16 S17 S18 T15 T17 R15
— 2015-06-17 16:47:24 Failed T16 S17 T17 T15 S18 R15
— 2015-06-09 21:42:04 Failed R15 S17 T15 S18
— 2015-06-07 13:57:30 Failed T16 S17 S18 T15 T17 R15
— 2015-06-06 03:12:22 Failed T17 R15 Q18
Zander 2015-05-24 13:19:03 Failed R15 S17 T15 S18
— 2015-05-10 16:13:11 Failed T17 R15 T15
— 2015-05-08 09:37:33 Failed T16 S17 S18 T15 T17 R15
— 2015-04-30 22:26:45 Failed S17 R15 T15 S12 S19 T18 Q18 Q19
— 2015-04-23 21:09:42 Got It T17 R15 T15
briv 2015-04-22 16:50:39 Failed T16 S17 S18 T15 T17 R15
— 2015-04-16 13:12:39 Got It T17 R15 T15
— 2015-04-15 23:15:24 Got It T17 R15 T15
— 2015-04-07 17:56:01 Got It T17 R15 T15
— 2015-03-27 10:30:10 Got It T17 R15 T15
— 2015-03-14 22:01:48 Failed S17 R15 T15 S12 S19 T18 Q18 Q19
— 2015-03-06 11:57:10 Failed T18 T16 S17 R15
— 2015-03-05 19:07:45 Got It T17 R15 T15
BartTM 2015-02-16 10:42:11 Got It T17 R15 T15
— 2015-02-05 12:26:32 Got It T17 R15 T15
— 2015-02-04 14:46:50 Failed T16 S17 T18
pento 2015-01-26 20:11:22 Failed T16 S17 T18
— 2015-01-01 01:34:20 Got It T17 R15 T15
— 2014-12-23 03:17:08 Failed S17 R15 T15 S12 S19 T18 Q18 Q19
— 2014-12-16 16:51:43 Failed T17 R15 T15
— 2014-12-12 15:10:29 Failed T16 S17 S18 T15 T17 R15
— 2014-11-29 15:38:54 Got It T17 R15 T15
— 2014-11-12 17:00:01 Failed R15 S17 T15 S18
— 2014-10-25 13:18:06 Failed T16 S17 S18 T15 T17 R15
— 2014-10-09 03:44:15 Failed S12
— 2014-09-03 23:40:00 Failed R15 S17 T15 S18
— 2014-07-29 21:06:52 Failed T17 R15 S18
— 2014-07-16 06:14:14 Got It T17 R15
— 2014-07-13 20:12:45 Failed R15 S17 T15 S18
— 2014-06-30 22:51:20 Got It T17 R15 T15
— 2014-06-12 00:56:36 Failed T16 S17 S18 T15 T17 R15
jusi 2014-06-08 11:19:19 Failed T15 S17 R15 S18
— 2014-06-07 01:23:21 Got It T17 R15
— 2014-06-01 13:40:33 Failed S17 R15 T15 S12 Q18 S19 T18 T16
— 2014-05-30 00:14:48 Got It T17 R15 T15
— 2014-05-22 00:31:33 Failed T16 S17 R15 S18
— 2014-05-11 03:19:15 Failed R15 S17 T15 S18
— 2014-05-09 16:19:50 Failed S17 R15 T15 S12 T14
— 2014-05-06 01:46:47 Got It T17 R15
— 2014-05-05 23:21:25 Failed S17 R15 T15 S12 S19 T18 Q18 Q19
— 2014-04-20 12:40:37 Got It T17 R15 T15
Zwom 2014-04-19 03:35:39 Got It T17 R15 T15
— 2014-04-05 15:44:54 Got It T17 R15 T15
pento 2014-04-02 11:55:03 Failed R15 S17 T15 S18
ranka 2014-03-11 03:35:59 Got It T17 R15 T15
ranka 2014-03-11 01:48:36 Got It T17 R15 T15
— 2014-03-02 23:22:38 Got It T17 R15 T15
— 2014-01-29 01:03:45 Failed R15 S17 T15 S18
— 2014-01-24 03:54:48 Got It T17 R15 T15
— 2014-01-22 22:02:32 Got It T17 R15 T15
— 2014-01-03 01:19:11 Got It T17 R15
— 2013-12-16 20:48:50 Failed T16 S17 R15 S18
— 2013-11-11 22:21:46 Failed T16 S17 S18 T15 T17 R15
— 2013-11-11 22:14:51 Got It T17 R15 T15
— 2013-10-22 02:53:19 Got It T17 R15
— 2013-07-22 19:38:24 Failed R15 S17 T15 S18
Field Mouse 2013-04-19 09:14:55 Failed T16 S17 R15 S18
— 2013-04-18 14:06:39 Failed T18 T16 S17 R15
— 2012-11-01 16:36:17 Failed T17 R15 T15
ranka 2012-10-27 16:43:36 Got It T17 R15
— 2012-10-15 15:16:54 Got It T17 R15
— 2012-09-23 17:37:30 Got It T17 R15
— 2012-09-18 06:48:41 Failed T15 S17 R15 S18
sputnikc 2012-09-01 12:36:02 Failed T14
— 2012-08-27 16:16:53 Failed T14
— 2012-08-24 10:39:29 Got It T17 R15
— 2012-08-14 11:37:30 Failed T14
alexandrk 2012-08-13 07:27:50 Got It T17 R15
— 2012-08-04 15:05:52 Got It T17 R15
Field Mouse 2012-07-18 13:06:27 Failed T16 S17 R15 S18
— 2012-07-09 20:45:59 Got It T17 R15
‚܂߃Sƒ}™ 2012-05-18 20:58:40 Got It T17 R15
— 2012-05-12 15:51:03 Failed R15 S17 T16
Zander 2012-01-24 16:32:39 Failed T16 S17 T17 T15 S18 R15
krt 2012-01-07 04:14:26 Got It T17 R15
krt 2012-01-07 04:14:15 Failed R15 S17 T15 S18
—´000 2011-12-28 23:34:45 Got It T17 R15
— 2011-10-01 13:35:23 Got It T17 R15 T15
— 2011-10-01 12:36:48 Got It T17 R15 T15
— 2011-09-10 16:44:55 Failed T16 S17 R15 S18
Spica 2011-08-28 10:24:53 Got It T17 R15
— 2011-07-27 07:55:15 Got It T17 R15
— 2011-07-27 02:58:11 Got It T17 R15
— 2011-07-21 06:22:35 Got It T17 R15
— 2011-07-20 07:01:07 Got It T17 R15
— 2011-07-19 12:22:33 Failed T15 S17 R15 S18
— 2011-07-09 08:58:52 Failed S12
— 2011-06-26 18:24:58 Got It T17 R15
— 2011-06-26 09:26:39 Failed S17 R15 T15 S12 T18 T16 T17 S19
— 2011-05-25 05:04:59 Failed R15 S17 T15 S18
— 2011-05-22 15:38:10 Got It T17 R15
— 2011-05-08 23:48:54 Got It T17 R15
— 2011-05-08 07:52:11 Got It T17 R15
— 2011-05-07 20:20:47 Got It T17 R15
— 2011-05-07 06:37:21 Got It T17 R15
— 2011-04-25 22:41:24 Got It T17 R15
— 2011-04-22 10:12:06 Failed T16 S17 R15 S18
— 2011-04-05 03:07:28 Got It T17 R15
— 2011-03-06 09:38:35 Failed T17 R15 S18
— 2011-02-09 11:22:46 Failed T15 S17 R15 S18
— 2011-02-06 08:24:57 Failed T17 R15 S18
— 2011-01-14 13:27:33 Failed S17 R15 T15 S12 S19 T18 Q18 Q19
— 2010-12-21 20:38:53 Got It T17 R15
— 2010-12-21 17:54:54 Failed T16 S17 S18 T15 T17 R15
— 2010-12-20 18:33:09 Failed R15 S17 T15 S18
— 2010-12-14 16:11:02 Got It T17 R15
frostburn 2010-10-24 07:16:34 Got It T17 R15
frostburn 2010-10-24 07:15:49 Failed T16 S17 S18 T15 T17 R15
— 2010-10-01 19:29:56 Got It T17 R15
Field Mouse 2010-09-28 14:13:52 Got It T17 R15
— 2010-07-02 14:32:48 Got It T17 R15
— 2010-06-30 14:24:18 Got It T17 R15
alexandrk 2010-05-16 03:58:00 Failed T16 S17 S18 T15 T17 R15
— 2010-03-16 06:32:46 Got It T17 R15
— 2009-12-26 23:27:43 Failed S18
— 2009-11-17 09:43:30 Got It T17 R15
dischord 2009-04-01 06:41:49 Failed T16 S17 S18 T15 T17 R15
Lok 2008-12-13 12:39:47 Got It T17 R15
— 2008-11-26 07:22:09 Got It T17 R15
— 2008-11-11 05:00:10 Failed R15 S17 T15 S18
— 2008-10-18 04:39:43 Failed T15 S17 R15 S18
— 2008-09-18 13:22:52 Failed R15 S17 T15 S18
Piccolo 2008-09-14 12:31:31 Failed T17 R15
Piccolo 2008-09-14 12:30:14 Failed T16 S17 S18 T15 T17 R15
— 2008-08-18 03:10:41 Failed T17 R15
wrere 2008-07-18 14:26:28 Got It T17 R15
alexandrk 2008-06-24 11:48:14 Got It T17 R15
Piccolo 2008-06-21 15:36:53 Failed T16 S17 S18 T15 T17 R15
— 2008-05-01 11:09:21 Failed R15 S17 T16
— 2008-04-18 13:18:31 Got It T17 R15
— 2008-03-26 20:27:10 Got It T17 R15
— 2008-03-23 17:22:09 Failed T16 S17 R15 S18
— 2008-02-07 21:22:25 Failed T16 S17 S18 T15 T17 R15
isis 2007-12-10 16:15:21 Failed R15 S17 T15 S18
marwin 2007-09-15 09:20:06 Got It T17 R15
marwin 2007-09-15 09:19:02 Failed R15 S17 T15 S18
WTD 2007-08-26 13:20:49 Got It T17 R15
— 2007-04-18 21:09:17 Got It T17 R15
ketran0 2007-04-02 11:43:46 Failed S17 R15 T15 S12 T18 T16 S19 T14
— 2007-02-27 17:39:47 Failed T17 R15 T15
Bleedo 2007-01-28 18:50:05 Got It T17 R15 T15
Bleedo 2007-01-28 18:49:57 Failed R15 S17 T17
Bleedo 2007-01-28 18:49:50 Failed T16 S17 S18 T15 T17 R15
Bleedo 2007-01-28 18:49:39 Failed R15 S17 T16
Bleedo 2007-01-28 18:49:34 Failed T15 S17 T16
— 2007-01-26 16:48:15 Got It T17 R15 T15
— 2007-01-12 01:58:26 Got It T17 R15 T15
— 2007-01-11 09:09:34 Failed T15 S17 T16
Dudzik 2006-11-20 22:48:09 Got It T17 R15 T15 A19
Bleedo 2006-11-11 13:36:01 Got It T17 R15 T15 A19
Bleedo 2006-11-11 13:35:22 Failed T15 S17 T16 A19
— 2006-11-01 11:22:50 Got It T17 R15 T15 A19
whendrik 2006-10-13 16:40:38 Failed R15 S17 T15 S18 A19
tom111 2006-09-12 11:57:45 Got It T17 R15 T15 A19
— 2006-08-13 22:16:03 Got It T17 R15 T15 A19
— 2006-06-28 10:34:29 Got It T17 R15 T15 A19
— 2006-06-15 07:06:00 Failed T17 R15 T15 A19
— 2006-06-03 11:20:52 Got It T17 R15 T15 A19
Athanatos 2006-05-07 05:17:29 Got It T17 R15 T15 A19
whendrik 2006-05-07 03:36:25 Got It T17 R15 T15 A19
— 2006-04-14 09:48:51 Failed T16 S17 T15 A19
— 2006-04-08 04:11:58 Got It T17 R15 T15
— 2006-04-08 04:05:57 Failed R15 S17 T16
— 2006-03-28 16:39:52 Failed T16 S17 R15 S18 A19
— 2006-03-27 00:41:37 Failed T17 R15 S18
julien_wiesel 2006-03-11 12:55:11 Failed T16 S17 S18 T15 T17 R15
— 2006-03-10 02:56:37 Failed T18 T16 S17 R15
MrMoto 2006-03-04 18:45:44 Got It T17 R15 T15
MrMoto 2006-03-04 18:40:42 Got It T17 R15 T15
— 2006-03-03 02:24:02 Got It T17 R15 T15
— 2006-03-03 01:36:55 Failed R15 S17 T15 S18
— 2006-02-18 11:10:55 Failed S18
julien_wiesel 2006-02-14 12:35:30 Failed T14
Athanatos 2006-01-31 10:52:38 Failed S17 R15 T15 S12 T18 T16 S19 T14
adum 2006-01-25 19:14:03 Failed T17 R15 S18 A19
— 2006-01-10 12:43:00 Failed T16 S17 S18 T15 T17 R15
— 2006-01-04 20:08:47 Got It T17 R15 T15
BartTM 2006-01-02 03:33:24 Failed T16 S17 S18 T15 T17 R15
— 2006-01-01 11:26:51 Failed S17 R15 T15 S12 T14
kochi 2006-01-01 06:56:45 Got It T17 R15 T15
— 2006-01-01 01:57:03 Failed T16 S17 T15
Field Mouse 2005-12-31 11:17:47 Got It T17 R15 T15
BartTM 2005-12-31 05:23:52 Failed T16
— 2005-12-31 03:08:04 Failed Q15
— 2005-12-30 19:35:55 Failed R15 S17 T15 S18
— 2005-12-30 17:04:48 Failed T15
Count Result Path
87 Got It T17 R15 T15
51 Got It T17 R15
35 Failed R15 S17 T15 S18
29 Failed T16 S17 S18 T15 T17 R15
10 Failed T16 S17 R15 S18
10 Failed T17 R15 S18
9 Failed T14
9 Got It T17 R15 T15 A19
8 Failed T15 S17 R15 S18
6 Failed S17 R15 T15 S12 S19 T18 Q18 Q19
6 Failed T17 R15 T15
5 Failed S17 R15 T15 S12 T18 T16 S19 T14
5 Failed T18 T16 S17 R15
4 Failed S17 R15 T15 S12 T18 T16 T17 S19
4 Failed R15 S17 T16
3 Failed T16 S17 T17 T15 S18 R15
3 Failed T17 R15
2 Failed S17 R15 T15 S12 T18 T16 T14 S19
2 Failed S18
2 Failed T16 S17 T18
2 Failed S17 R15 T15 S12 Q18 S19 T18 T16
2 Failed T15 S17 T16
2 Failed S12
2 Failed S17 R15 T15 S12 T14
2 Failed T16 S17 T15
1 Failed T17 R15 Q18
1 Failed T15 S17 T17 T16
1 Failed S17 R15 T15 S12 T16
1 Failed T15
1 Failed T17 R15 T14
1 Failed R15 S17 T17
1 Failed T15 S17 T16 A19
1 Failed R15 S17 T15 S18 A19
1 Failed T17 R15 T15 A19
1 Failed T16 S17 T15 A19
1 Failed T16 S17 R15 S18 A19
1 Failed T17 R15 S18 A19
1 Failed T16
1 Failed Q15