5-minute Binary - All-Time Best Scores

Japan

Rank	Competitor	Country	Score	IAM level	Competition
1	NAOKI MIWA	Japan	1104	24	IAM Egypt Open 2022
2	NAOKI MIWA	Japan	1068	24	Japan Open 2025
3	NAOKI MIWA	Japan	1038	24	East Asia Open 2025
4	NAOYA HIRATA	Japan	528	14	Japan Open Memory Championship 2019
5	YOSHIHIRO IKEDA	Japan	522	14	Japan Open Memory Championship 2015
6	YASUHIRA YAMAGUCHI	Japan	516	14	East Asia Open 2025
7	NAOYA HIRATA	Japan	504	14	2nd Korea OPEN Champs 2018
8	MEGUMI MORIKAWA	Japan	474	13	East Asia Open 2025
9	YOSHIHIRO IKEDA	Japan	438	14	Japan Open Memory Championship 2014
10	NAOYA HIRATA	Japan	432	14	Japan Open Memory Championship 2018
10	KAREN ISHII	Japan	432	12	Japan Open 2025
12	TAKERU AOKI	Japan	428	12	2nd Korea OPEN Champs 2018
13	MASASHI FUJITA	Japan	426	12	Japan Open 2025
13	KAREN ISHII	Japan	426	12	East Asia Open 2025
15	YOSHIHIRO IKEDA	Japan	420	14	OZ Open Memory Champs 2013 - Powered by life's DHA
16	NAOYA HIRATA	Japan	411	14	East Asia Open 2025
17	MOTORO OHNO	Japan	405	11	Japan Open Memory Championship 2014
17	YOSHIHIRO IKEDA	Japan	405	14	Hong Kong Open Memory Championship 2013
19	TAKERU AOKI	Japan	402	12	Hong Kong Open Memory Championship 2016
20	TAKERU AOKI	Japan	393	12	4th Philippine OPEN Champs 2017
21	SAYAKA HOKAZONO	Japan	375	11	Japan Open 2025
22	TAKERU AOKI	Japan	366	12	1st Taiwan Open Memory Championship 2015
23	TAKERU AOKI	Japan	357	12	Taiwan Open Memory Championship 2017
24	MEGUMI MORIKAWA	Japan	345	13	Japan Open 2025
25	NAOYA HIRATA	Japan	342	14	Japan Open Memory Championship 2017
26	TAKERU AOKI	Japan	336	12	Korea Open Memory Championship 2017
27	TAKERU AOKI	Japan	330	12	Australian Open Memory Championship 2017
27	MOTORO OHNO	Japan	330	11	Australian Open Memory Championship 2018
27	REIKO TAKAHASHI	Japan	330	10	Japan Open 2025
27	YU SUGAYA	Japan	330	10	Japan Open 2025
31	MIE SAKATA	Japan	312	9	Japan Open 2025
32	NAOKI MIWA	Japan	300	24	Japan Open Memory Championship 2018
32	TOMOYUKI SASAYA	Japan	300	9	Japan Open 2025
34	TAKERU AOKI	Japan	288	12	Australian Open Memory Championship 2018
35	KEIKO KAWASHIMA	Japan	282	8	Japan Open 2025
36	KAZUHIRO TOKUDA	Japan	279	8	Japan Open 2025
37	KEN KOHAGIZAWA	Japan	274	8	Japan Open 2025
38	NAOYA HIRATA	Japan	273	14	Korea Open Memory Championship 2017
39	NAOYA HIRATA	Japan	271	14	Japan Open 2025
40	RYO KOBAYASHI	Japan	270	8	Japan Open Memory Championship 2019
40	MIE SAKATA	Japan	270	9	East Asia Open 2025
42	YUKI SAKAKI	Japan	264	8	East Asia Open 2025
43	YUZUKI TAKAOKA	Japan	263	8	Japan Open 2025
44	TAKERU AOKI	Japan	258	12	Friendly (Cambridge) Memory Championship 2013
45	YUZUKI TAKAOKA	Japan	255	8	Japan Open Memory Championship 2019
46	AKIRA OKUNU	Japan	254	8	Japan Open Memory Championship 2019
47	KAMICHO HIROKAZU	Japan	252	8	Japan Open Memory Championship 2018
48	TAKAFUMI SAKAKIBARA	Japan	249	7	East Asia Open 2025
49	TAKERU AOKI	Japan	246	12	Singapore Open Memory Championship 2015
50	TOMOYUKI NAKATA	Japan	240	7	Japan Open Memory Championship 2014
50	KENJI TAKAGI	Japan	240	7	Japan Open Memory Championship 2017
50	RIZU TAKAOKA	Japan	240	7	Japan Open 2025
50	HAYATO ISEKI	Japan	240	7	East Asia Open 2025
50	YUZUKI TAKAOKA	Japan	240	8	East Asia Open 2025
55	KONOMI NAKAHARA	Japan	237	7	Australian Open Memory Championship 2018
56	FUMIKO RENAUDY NEMOTO	Japan	234	7	French Open Memory Championship 2021
57	TAKERU AOKI	Japan	228	12	Australian Open Memory Championship 2012
57	YUKI SAKAKI	Japan	228	8	Japan Open 2025
59	EMI MABUCHI	Japan	225	7	Japan Open 2025
60	KAMICHO HIROKAZU	Japan	222	8	Japan Open Memory Championship 2019
61	TOMOYUKI NAKATA	Japan	216	7	Hong Kong Open Memory Championship 2013
62	YUZUKI TAKAOKA	Japan	213	8	2nd Korea OPEN Champs 2018
63	ETSUKO NOGAMI	Japan	207	6	East Asia Open 2025
64	NAOYA HIRATA	Japan	198	14	Hong Kong Open Memory Championship 2016
65	TAKERU AOKI	Japan	189	12	3rd Philippine OPEN Champs 2016
66	HIROSHI ABE	Japan	181	6	Singapore Open Memory Championship 2017
67	HIROSHI ABE	Japan	180	6	Japan Open Memory Championship 2016
68	EMI MABUCHI	Japan	174	7	East Asia Open 2025
69	AYUMI OSAGAWA	Japan	168	5	Japan Open 2025
70	TAKAHIKO MATSUO	Japan	156	5	Japan Open Memory Championship 2016
71	RYOHTO SAWADA	Japan	150	5	Japan Open Memory Championship 2014
71	MOTORO OHNO	Japan	150	11	Japan Open Memory Championship 2015
71	KIYOHIRO MURAI	Japan	150	5	Japan Open Memory Championship 2017
74	KENJI TAKAGI	Japan	132	7	Japan Open Memory Championship 2018
74	HARUMI YAMADA	Japan	132	4	Japan Open 2025
76	TAKERU AOKI	Japan	126	12	Singapore Open Memory Championship 2017
76	ETSUKO NOGAMI	Japan	126	6	Japan Open 2025
78	YUZUKI TAKAOKA	Japan	121	8	Japan Open Memory Championship 2018
79	RYOHTO SAWADA	Japan	120	5	Japan Open Memory Championship 2015
79	KEIZO NAKAGAWA	Japan	120	4	Japan Open Memory Championship 2015
79	KEIZO NAKAGAWA	Japan	120	4	Japan Open Memory Championship 2017
79	MOTORO OHNO	Japan	120	11	Taiwan Open Memory Championship 2017
79	JUN TAKEDA	Japan	120	4	Japan Open 2025
84	HIROSHI ABE	Japan	117	6	2nd Korea OPEN Champs 2018
85	HINA OHARA	Japan	114	3	Japan Open Memory Championship 2018
86	TAKERU AOKI	Japan	105	12	OZ Open Memory Champs 2013 - Powered by life's DHA
86	MARIKA NISHIGUCHI	Japan	105	3	Japan Open Memory Championship 2016
86	KEIZO NAKAGAWA	Japan	105	4	Japan Open Memory Championship 2018
89	HIROSHI ABE	Japan	102	6	Japan Open Memory Championship 2018
89	SHOHEI HARA	Japan	102	3	Japan Open Memory Championship 2019
89	YASUSHI TAKEMASA	Japan	102	3	Japan Open 2025
92	HIROSHI ABE	Japan	96	6	Japan Open Memory Championship 2015
93	RINNE TSUJIKUBO	Japan	93	3	Japan Open Memory Championship 2018
94	NAKAGAWA TAKASHI	Japan	90	3	Japan Open Memory Championship 2015
94	KAZUMA TAKAYANAGI	Japan	90	3	Japan Open Memory Championship 2018
94	MASAYUKI WADA	Japan	90	3	Japan Open Memory Championship 2018
94	TAKERU AOKI	Japan	90	12	Hong Kong Open Memory Championship 2013
94	SAYURI TAKAHASHI	Japan	90	3	Japan Open 2025
99	NAKAGAWA TAKASHI	Japan	87	3	Japan Open Memory Championship 2017
100	KEIZO NAKAGAWA	Japan	84	4	Japan Open Memory Championship 2016
101	HIROSHI ABE	Japan	75	6	Hong Kong Open Memory Championship 2016
102	HIROSHI ABE	Japan	72	6	Korea Open Memory Championship 2017
103	TAKAFUMI SAKAKIBARA	Japan	69	7	Japan Open Memory Championship 2019
104	NAKAGAWA TAKASHI	Japan	66	3	Japan Open Memory Championship 2016
105	MOTOYUKI KUMAKI	Japan	61	2	Japan Open Memory Championship 2018
106	MARIKA NISHIGUCHI	Japan	60	3	Japan Open Memory Championship 2015
106	YUTA TSUTSUMI	Japan	60	2	Japan Open Memory Championship 2016
106	KAORI TSUJIKUBO	Japan	60	2	Japan Open Memory Championship 2018
106	TOMOYA KUBO	Japan	60	2	Japan Open Memory Championship 2018
106	HIROSHI ABE	Japan	60	6	1st Taiwan Open Memory Championship 2015
106	HIROSHI ABE	Japan	60	6	Japan Open Memory Championship 2019
106	NAOKO YAZAWA	Japan	60	2	Japan Open 2025
113	MIONO NAMATAME	Japan	54	1	Japan Open 2025
114	YUSUKE NAITO	Japan	45	1	Japan Open Memory Championship 2019
115	ASUKA OHASHI	Japan	43	1	Hong Kong Open Memory Championship 2013
116	KAORI ARAI	Japan	42	1	Japan Open 2025
117	SHUNSUKE HOSOI	Japan	30	1	Japan Open Memory Championship 2018
117	REINE TSUJIKUBO	Japan	30	1	Japan Open Memory Championship 2018
117	EIKO OHARA	Japan	30	1	Japan Open Memory Championship 2018
117	MANA OHARA	Japan	30	1	Japan Open Memory Championship 2018
117	YUSUKE SUZUKI	Japan	30	1	Japan Open Memory Championship 2018
122	HIROSHI ABE	Japan	18	6	Australian Open Memory Championship 2018
123	KEIZO NAKAGAWA	Japan	0	4	Korea Open Memory Championship 2017
123	KENJI TAKAGI	Japan	0	7	Japan Open Memory Championship 2016
123	AYUTA TONOMURA	Japan	0		Japan Open Memory Championship 2017
123	KAMICHO HIROKAZU	Japan	0	8	Taiwan Open Memory Championship 2017
123	NORIKAZU TANAKA	Japan	0		Japan Open Memory Championship 2019
123	HIROMITSU HISHIDA	Japan	0		Japan Open Memory Championship 2019
123	MIONO NAMATAME	Japan	0	1	East Asia Open 2025
123	RIZU TAKAOKA	Japan	0	7	East Asia Open 2025