Next 6 dan best move
This is the first problem of another set of 4x4 problems. Please find the best result for black! A one point loss will be better (and therefore "RIGHT") than a two point loss, a two point win better than a one point win. (japanese rules)
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Author ferdi Created 2003-05-13
Difficulty 6 dan (history) Source ferdi
AVG solve time 32 sec Stars 2  (7 votes)
User attempts 2975 / 7464 Collections 4x4 problems, Fun
Genre best move Your attempts N/A
Similar problems
Created 2003-05-13
Source ferdi
Stars 2  (7 votes)
Collections 4x4 problems, Fun
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
— 2023-01-06 10:12:24 Failed C16 B17 A17 B16 B19 C19
:go 2020-10-21 23:50:38 Failed C19
— 2019-07-27 15:45:13 Failed C16 B17 A17 B16 C19 D19 B19 A16
ranka 2018-11-29 10:36:55 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2018-04-21 03:49:39 Got It B19 C16 C19
— 2018-03-16 01:24:01 Got It B19 C16 C19
— 2018-03-01 04:48:23 Failed C16 B17 B19 A17
— 2016-01-12 06:07:50 Got It B19 C16 C19
— 2016-01-06 09:11:39 Got It B19 C16 C19
— 2015-12-01 09:22:33 Failed C16 B17 C19 B16 D19
— 2015-11-27 06:15:24 Failed B19 C16 C19
— 2015-09-01 11:30:24 Got It B19 C16 C19
briv 2015-03-29 22:24:33 Got It B19 C16
briv 2015-03-23 16:34:07 Got It B19 C16
briv 2015-03-22 13:28:41 Got It B19 C16
— 2014-11-19 00:40:17 Failed B19 C16 C19
— 2014-07-27 20:14:05 Got It B19 C16
pento 2014-03-31 10:08:26 Got It B19 C16 C19
— 2013-11-28 19:10:18 Got It B19 C16 C19
— 2013-01-09 14:57:39 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2012-12-05 12:37:10 Failed B19 C16 C19
— 2012-10-07 15:29:25 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2012-09-07 17:16:23 Failed C16 B17 A17 B16 C17
— 2012-09-07 00:43:23 Failed C19
— 2012-08-21 19:38:58 Failed C16 B17 C19 B16 B19 A17
— 2012-08-11 14:39:45 Got It B19 C16 C19
— 2012-08-06 03:48:52 Got It B19 C16
jusi 2012-08-05 00:08:48 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2012-07-23 15:21:53 Got It B19 C16
— 2012-07-22 10:36:17 Failed C16 B17 C19 B16 A17 D19 B19 A16
rhubarb 2012-07-20 01:14:18 Got It B19 C16
Monsieur Boum 2012-07-17 18:37:02 Got It B19 C16 C19
alexandrk 2012-07-17 00:16:53 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2012-07-09 05:10:34 Got It B19 C16
— 2012-07-08 06:38:42 Got It B19 C16
— 2012-06-30 01:45:15 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2012-05-27 08:38:06 Got It B19 C16
— 2012-05-21 14:22:26 Failed C16 B17 C19 B16 A17 D19 C17 B19 C19 B19
cheukyin 2012-05-21 11:28:15 Got It B19 C16
— 2012-05-06 01:10:12 Got It B19 C16
Lythimus 2012-04-20 11:02:03 Failed C16 B17 C19 B16 C17 A17
— 2012-04-19 06:14:47 Got It B19 C16
— 2012-04-19 05:46:27 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2012-02-13 10:54:12 Got It B19 C16
— 2012-02-04 05:16:31 Got It B19 C16
WTD 2012-01-25 05:41:08 Got It B19 C16
WTD 2012-01-22 13:12:14 Failed C16 B17 A17 B16 B19 C19
— 2012-01-22 06:51:02 Got It B19 C16
— 2012-01-13 20:53:27 Got It B19 C16
krt 2012-01-12 16:12:48 Got It B19 C16
‚܂߃Sƒ}™ 2012-01-08 15:55:18 Got It B19 C16
‚܂߃Sƒ}™ 2012-01-08 15:55:07 Failed C16 B17 C19 B16 A17 D19 C17 B19 C19 B19
— 2012-01-08 08:42:10 Got It B19 C16
—´000 2011-12-26 18:36:21 Got It B19 C16
Zander 2011-12-20 18:15:22 Got It B19 C16
— 2011-11-16 17:32:19 Got It B19 C16
— 2011-11-15 21:16:30 Failed B19 C16
— 2011-11-02 13:38:17 Got It B19 C16
— 2011-10-13 14:13:59 Got It B19 C16
zariuq 2011-10-10 07:44:20 Got It B19 C16
zariuq 2011-10-10 07:43:53 Failed C16 B17 A17 B16 B19 C19
Spica 2011-09-08 16:04:24 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2011-07-30 22:06:47 Got It B19 C16
PeterSmol 2011-07-24 09:38:43 Failed C16 B17 A17 B16 B19 C19
— 2011-07-21 08:20:00 Failed C16 B17 B19 A17
— 2011-07-13 08:56:03 Got It B19 C16
— 2011-07-08 07:29:12 Got It B19 C16
— 2011-06-24 00:13:52 Failed C16 B17 B19 A17
— 2011-06-23 20:48:38 Got It B19 C16
— 2011-06-13 14:35:02 Failed C16 B17 B19 A17
— 2011-06-03 18:13:00 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
Zander 2011-05-26 04:45:07 Failed C16 B17 B19 A17
Satouros 2011-05-02 10:55:19 Got It B19 C16
Satouros 2011-05-01 19:29:17 Failed C16 B17 A17 B16 B19 C19
— 2011-04-25 15:30:21 Got It B19 C16
— 2011-04-22 22:08:26 Got It B19 C16
— 2011-04-22 07:40:31 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2011-04-04 12:33:53 Got It B19 C16
— 2011-03-11 19:43:55 Got It B19 C16
— 2011-01-27 01:28:50 Failed C16 B17 B16
— 2011-01-06 10:59:56 Got It B19 C16
— 2010-12-27 08:46:34 Got It B19 C16
— 2010-11-23 09:50:44 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2010-11-23 05:19:27 Got It B19 C16
— 2010-11-19 11:41:06 Failed C16 B17 C19 B16 A17 D19 B19 A16
Ventile 2010-11-08 11:57:55 Failed C16 B17 A17 B16 C17
— 2010-11-03 17:26:38 Got It B19 C16
— 2010-11-03 05:18:05 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2010-10-13 05:18:53 Got It B19 C16
— 2010-09-20 22:30:10 Got It B19 C16
— 2010-09-13 10:21:01 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2010-09-11 12:53:39 Failed C16 B17 C19 B16 C17 A17
— 2010-09-09 09:18:11 Got It B19 C16
Solipsist 2010-08-25 05:26:12 Got It B19 C16
— 2010-08-16 22:22:34 Got It B19 C16
dam4227 2010-08-11 12:44:55 Got It B19 C16
interferoman 2010-08-07 21:38:37 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2010-08-02 02:29:07 Got It B19 C16
— 2010-07-25 11:07:28 Failed C16 B17 A17 B16 B19 C19
— 2010-06-24 16:47:59 Got It B19 C16
— 2010-06-17 23:57:03 Got It B19 C16
— 2010-06-16 21:15:39 Failed C16 B17 C19 B16 A17 D19 B19 A16
— 2010-06-14 14:18:25 Failed C16 B17 B19 A17
— 2010-06-10 21:09:32 Failed C16 B17 B19 A17
lilsette 2010-06-02 16:11:18 Failed C16 B17 C19 B16 A17 D19 C17 B19 C19 B19
— 2010-05-29 02:28:13 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2010-05-22 12:29:01 Got It B19 C16
— 2010-05-18 06:59:44 Got It B19 C16
alexandrk 2010-05-17 02:33:22 Got It B19 C16
— 2010-05-11 19:25:50 Failed C16 B17 C19 B16 B19 A17
— 2010-05-10 09:32:23 Got It B19 C16
— 2010-05-06 10:36:56 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2010-04-16 06:15:46 Failed C16 B17 C19 B16 B19 A17
frostburn 2010-04-14 10:18:10 Got It B19 C16
— 2010-04-10 15:28:51 Got It B19 C16
— 2010-03-20 18:40:42 Got It B19 C16
— 2010-03-13 04:13:30 Got It B19 C16
— 2010-02-27 14:22:07 Failed C16 B17 A17 B16 B19 C19
— 2010-02-18 10:29:06 Got It B19 C16
— 2010-01-07 14:43:36 Got It B19 C16
— 2009-12-06 21:26:29 Got It B19 C16
— 2009-12-06 19:47:22 Failed C16 B17 C19 B16 A17 D19 B19 A16
— 2009-11-17 10:06:37 Got It B19 C16
— 2009-11-17 10:06:32 Failed C19
— 2009-11-17 10:06:18 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2009-10-15 13:01:37 Got It B19 C16
topazg 2009-08-20 15:52:07 Failed C16 B17 C19 B16 A17 D19 B19 A16
SolarBear 2009-08-09 18:35:06 Got It B19 C16
— 2009-08-09 12:19:08 Got It B19 C16
— 2009-06-30 23:50:14 Got It B19 C16
fwiffo 2009-06-13 21:42:24 Got It B19 C16
— 2009-06-11 04:16:59 Got It B19 C16
— 2009-06-05 12:53:15 Got It B19 C16
fwiffo 2009-06-01 11:56:44 Got It B19 C16
— 2009-05-25 22:39:10 Got It B19 C16
fwiffo 2009-05-09 12:12:48 Failed C16 B17 A17 B16 B19 C19
— 2009-04-21 19:22:40 Failed C16 B17 C19 B16 B19 A17
dischord 2009-04-17 06:50:05 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2009-03-31 13:27:48 Got It B19 C16
— 2009-03-30 09:23:50 Failed C16 B17 B19 A17
— 2009-03-29 20:08:38 Failed C19
— 2009-03-26 04:05:09 Failed B19 C16
fwiffo 2009-03-23 14:03:29 Failed C19
— 2009-03-16 13:35:53 Got It B19 C16
— 2009-03-16 09:05:33 Failed C16 B17 C19 B16 C17 A17
— 2009-03-08 16:07:37 Failed C16 B17 A17 B16 B19 C19
— 2009-03-06 04:53:37 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2009-03-05 12:45:32 Got It B19 C16
— 2009-03-05 08:26:39 Failed C16 B17 C19 B16 C17 A17
ragingduck 2009-02-28 09:43:54 Got It B19 C16
— 2009-02-25 11:00:55 Got It B19 C16
limousinedriver 2009-01-08 13:57:28 Got It B19 C16
limousinedriver 2009-01-08 13:57:14 Failed C16 B17 B19 A17
— 2008-12-09 17:56:00 Got It B19 C16
— 2008-12-07 16:40:32 Failed C16 B17 C19 B16 B19 A17
ZeroShiKii 2008-12-01 05:24:02 Got It B19 C16
— 2008-11-18 08:17:26 Failed C16 B17 A17 B16 B19 C19
— 2008-11-14 22:09:01 Failed C16 B17 B19 A17
— 2008-10-29 11:04:23 Failed C16 B17 A16
— 2008-10-20 09:15:52 Got It B19 C16
— 2008-10-06 19:40:48 Got It B19 C16
— 2008-10-04 11:11:35 Got It B19 C16
Wuzzler 2008-09-30 19:48:04 Got It B19 C16
Wuzzler 2008-09-29 21:10:33 Failed C16 B17 A17 B16 B19 C19
— 2008-09-23 10:29:15 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2008-09-08 14:34:54 Got It B19 C16
Lok 2008-09-07 08:06:37 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2008-08-18 14:02:03 Got It B19 C16
— 2008-08-18 11:11:53 Got It B19 C16
— 2008-08-16 22:18:08 Got It B19 C16
— 2008-08-10 02:33:20 Got It B19 C16
— 2008-08-10 02:25:15 Failed C16 B17 A17 B16 B19 C19
Piccolo 2008-07-30 08:41:54 Got It B19 C16
— 2008-07-19 15:27:13 Got It B19 C16
— 2008-07-14 02:41:35 Failed C16 B17 A17 B16 B19 C19
— 2008-07-08 04:13:04 Failed C16 B17 C19 B16 A17 D19 B19 A16
— 2008-06-28 11:48:51 Failed C16 B17 A17 B16 B19 C19
— 2008-06-26 01:08:29 Failed C19
— 2008-06-22 03:13:25 Failed C16 B17 B19 A17
— 2008-05-23 15:54:39 Got It B19 C16
— 2008-05-20 14:45:27 Got It B19 C16
scorch 2008-05-07 08:03:27 Failed C16 B17 A17 B16 B19 C19
— 2008-04-24 02:45:29 Failed C16 B17 B19 A17
— 2008-04-22 09:57:38 Got It B19 C16
— 2008-04-20 08:55:01 Got It B19 C16
— 2008-04-18 05:33:41 Failed C16 B17 A17 B16 C19 D19 B19 A16
finius_lyn 2008-04-03 13:03:47 Got It B19 C16
finius_lyn 2008-04-03 13:02:50 Failed C16 B17 A17 B16 B19 C19
— 2008-03-30 16:13:31 Got It B19 C16
Ugo Amayama 2008-03-19 18:12:27 Got It B19 C16
lucifex 2008-03-04 00:35:24 Got It B19 C16
— 2008-02-17 01:59:24 Failed C16 B17 A17 B16 C19 D19 C16
— 2008-02-11 14:35:39 Failed C16 B17 A17 B16 C19 D19 B19 A16
Mandos 2008-01-30 02:46:36 Got It B19 C16
— 2008-01-23 12:30:39 Failed C16 B17 B19 A17
alexandrk 2008-01-15 04:38:57 Got It B19 C16
alexandrk 2008-01-13 15:32:20 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
konvin 2008-01-08 10:32:48 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2008-01-02 09:18:32 Got It B19 C16
— 2007-11-16 14:13:36 Got It B19 C16
Zwom 2007-11-13 08:59:20 Got It B19 C16
Zwom 2007-11-12 10:41:23 Failed B19 C16
— 2007-11-06 18:04:15 Got It B19 C16
— 2007-11-06 07:14:47 Got It B19 C16
— 2007-11-06 06:57:55 Failed C16 B17 B19 A17
— 2007-10-13 05:56:14 Got It B19 C16
alexandrk 2007-09-29 00:57:54 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2007-08-30 10:49:52 Failed C16 B17 C19 B16 B19 A17
— 2007-05-13 15:15:39 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2007-05-10 09:30:34 Got It B19 C16
— 2007-05-04 12:49:50 Got It B19 C16
MrMoto 2007-04-20 11:07:44 Got It B19 C16
isis 2007-04-17 07:19:12 Failed C16 B17 A17 B16 B19 C19
Bleedo 2007-04-07 00:14:51 Got It B19 C16 C19
Bleedo 2007-04-07 00:14:49 Failed C16 B17 C19 B16 A17 D19 B19 A16
wuwei 2007-03-11 23:03:10 Got It B19 C16 C19
wuwei 2007-03-11 23:01:24 Failed C16 B17 A17 B16 B19 C19
— 2007-01-31 22:45:28 Failed C16 B17 C19 B16 A17 D19 B19 A16
BostonGo 2007-01-22 06:55:43 Got It B19 C16
Dudzik 2006-07-22 18:36:34 Got It B19 C16 C19 A19
Dudzik 2006-07-14 16:19:06 Failed C16 B17 C19 B16 A17 D19 B19 A16 A19
traveller 2006-06-30 13:10:21 Got It B19 C16 C19 A19
Dudzik 2006-06-24 01:13:44 Failed C19 A19
Dudzik 2006-05-30 08:59:37 Got It B19 C16 C19 A19
isis 2006-05-22 20:50:50 Got It B19 C16 C19 A19
whendrik 2006-05-05 03:22:19 Got It B19 C16 C19 A19
tom111 2006-04-16 11:23:59 Got It B19 C16 C19 A19
tom111 2006-04-13 23:18:51 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19 A19
whendrik 2006-04-10 05:51:41 Failed C16 B17 B19 A17
— 2006-04-09 09:32:04 Got It B19 C16 C19
— 2006-04-08 01:19:24 Got It B19 C16 C19
— 2006-04-08 01:11:34 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2006-03-26 17:45:36 Got It B19 C16 C19
LCZLAPINSKI 2005-12-09 23:26:18 Got It B19 C16 C19
LCZLAPINSKI 2005-12-09 22:34:53 Failed C19
Field Mouse 2005-11-19 09:08:15 Got It B19 C16 C19
Field Mouse 2005-11-19 09:08:01 Failed B19 C16 C19
adum 2005-11-03 17:47:09 Got It B19 C16 C19
adum 2005-11-03 17:38:17 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2005-10-18 18:45:44 Got It B19 C16 C19
— 2005-10-18 18:45:28 Failed C16 B17 C19 B16 A17 D19 B19 A16
adum 2005-10-17 11:37:22 Failed C16 B17 B19 A17
— 2005-09-02 20:23:09 Got It B19 C16 C19
— 2005-08-31 06:05:21 Failed C16 B17 A17 B16 C17
— 2005-07-27 23:28:14 Got It B19 C16 C19
— 2005-05-17 14:33:40 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2005-04-06 12:50:10 Got It B19 C16 C19
— 2005-04-06 09:33:47 Failed C16 B17 A17 B16 B19 C19
julien_wiesel 2005-02-09 03:46:21 Got It B19 C16 C19
ciith 2005-02-06 19:33:22 Got It B19 C16 C19
— 2005-02-05 04:01:07 Got It B19 C16 C19
Vose 2005-02-04 11:56:07 Failed C16 B17 A17 B16 B19 C19
MrMoto 2005-01-24 23:30:24 Got It B19 C16 C19
MrMoto 2005-01-24 23:08:39 Got It B19 C16 C19
BartTM 2005-01-24 04:25:06 Failed C16 B17 C19 B16 A17 D19 C17 B19 C19 B19
maba 2005-01-05 07:43:08 Got It B19 C16 C19
maba 2005-01-05 06:17:54 Failed C16 B17 B19 A17
julien_wiesel 2004-11-11 05:35:40 Failed C16 B17 A17 B16 B19 C19
— 2004-08-25 03:38:35 Got It B19 C16 C19
hello 2004-08-22 12:45:50 Got It B19 C16 C19
marwin 2004-08-14 11:44:15 Got It B19 C16 C19
marwin 2004-08-14 11:35:22 Failed C16 B17 B19 A17
Athanatos 2004-08-08 14:49:07 Got It B19 C16 C19
Athanatos 2004-07-16 06:54:27 Failed C16 B17 A17 B16 C19 D19 B19 A16
Athanatos 2004-07-14 09:12:24 Failed C16 B17 A17 B16 B19 C19
Athanatos 2004-07-13 09:20:10 Failed C16 B17 B19 A17
— 2004-07-06 17:53:29 Got It B19 C16 C19
assacra 2004-07-03 01:27:37 Failed C16 B17 A17 B16 C19 D19 B19 A16
— 2004-06-16 05:43:08 Failed C16 B17 A17 B16 B19 C19
assacra 2004-06-15 04:58:02 Failed C16 B17 C19 B16 A17 D19 B19 A16
WTD 2004-01-05 07:48:01 Got It B19 C16 C19
kochi 2003-11-27 17:20:25 Got It B19 C16 C19
kochi 2003-11-27 15:49:35 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
— 2003-10-27 21:38:22 Got It B19 C16 C19
switch 2003-10-16 05:49:40 Got It B19 C16 C19
— 2003-09-24 16:06:19 Got It B19 C16 C19
WTD 2003-09-17 05:15:00 Got It B19 C16 C19
WTD 2003-09-17 05:14:21 Failed C19
WTD 2003-08-22 20:25:11 Got It B19 C16 C19
— 2003-08-06 11:29:03 Got It B19 C16 C19
WTD 2003-08-01 08:40:51 Got It B19 C16 C19
chtito 2003-07-28 03:23:12 Failed C16 B17 A17 B16 C19 D19 B19 A16
Geijin 2003-07-03 08:40:52 Got It B19 C16 C19
Geijin 2003-07-03 08:40:32 Failed D19
WTD 2003-08-17 03:44:33 Failed C16 B17 A17 B16 C19 D19 B19 A16
BartTM 2003-08-18 04:09:59 Failed C16 B17 A17 B16 B19 C19
— 2003-06-16 04:38:59 Failed C16 B17 A17 B16 B19 C19
— 2003-06-12 22:33:14 Failed C19
— 2003-06-05 07:27:39 Got It B19 C16 C19
— 2003-05-26 09:11:24 Got It B19 C16 C19
Hans 2003-05-23 06:51:19 Failed C16 B17 A17 B16 B19 C19
— 2003-05-18 09:51:43 Got It B19 C16 C19
— 2003-05-14 12:38:02 Failed C16 B17 A17 B16 C17
adum 2003-05-13 10:56:13 Failed C16 B17 A17 B16 B19 C19
Hans 2003-05-13 10:10:28 Got It B19 C16 C19
Spirit 2003-05-13 07:43:12 Got It B19 C16 C19
Daniel 2003-05-13 06:37:39 Got It B19 C16 C19
Count Result Path
109 Got It B19 C16
39 Got It B19 C16 C19
25 Failed C16 B17 A17 B16 B19 C19
25 Failed C16 B17 A17 B16 C19 D19 B19 A16
19 Failed C16 B17 B19 A17
11 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19
10 Failed C16 B17 C19 B16 A17 D19 B19 A16
9 Got It B19 C16 C19
8 Failed C19
6 Got It B19 C16 C19 A19
6 Failed C16 B17 C19 B16 B19 A17
4 Failed C16 B17 C19 B16 A17 D19 C17 B19 C19 B19
4 Failed B19 C16 C19
4 Failed C16 B17 C19 B16 C17 A17
3 Failed B19 C16
3 Failed C16 B17 A17 B16 C17
2 Failed C16 B17 A17 B16 B19 C19
1 Failed C19 A19
1 Failed C16 B17 C19 B16 A17 D19 B19 A16 A19
1 Failed C16 B17 A17 B16 C19 D19 C17 B19 C19 B19 A19
1 Failed C19
1 Failed D19
1 Failed C16 B17 A17 B16 C19 D19 C16
1 Failed C16 B17 A16
1 Failed C16 B17 A17 B16 C17
1 Failed C16 B17 B16
1 Failed C16 B17 C19 B16 D19