15-minute Numbers - All-Time Best Scores

Japan

Rank	Competitor	Country	Score	IAM level	Competition
1	NAOKI MIWA	Japan	968	23	East Asia Open 2025
2	NAOKI MIWA	Japan	900	23	Japan Open 2026
3	NAOKI MIWA	Japan	880	23	Japan Open 2025
4	NAOKI MIWA	Japan	808	23	IAM Egypt Open 2022
5	MOTORO OHNO	Japan	520	14	Australian Open Memory Championship 2018
6	NAOYA HIRATA	Japan	512	13	Japan Open 2026
7	NAOYA HIRATA	Japan	492	13	East Asia Open 2025
8	YOSHIHIRO IKEDA	Japan	482	13	Japan Open Memory Championship 2015
9	YUZUKI TAKAOKA	Japan	450	12	Japan Open 2025
10	TOMOYUKI SASAYA	Japan	440	12	Japan Open 2025
11	KAREN ISHII	Japan	428	11	East Asia Open 2025
11	YASUHIRA YAMAGUCHI	Japan	428	11	East Asia Open 2025
13	YUZUKI TAKAOKA	Japan	400	12	East Asia Open 2025
14	TAKERU AOKI	Japan	392	10	Australian Open Memory Championship 2018
15	SAYAKA HOKAZONO	Japan	388	10	Japan Open 2025
16	NAOYA HIRATA	Japan	382	13	Japan Open Memory Championship 2019
17	TAKERU AOKI	Japan	374	10	Korea Open Memory Championship 2017
18	NAOYA HIRATA	Japan	370	13	Japan Open Memory Championship 2018
19	NAOYA HIRATA	Japan	366	13	Japan Open 2025
20	NAOYA HIRATA	Japan	362	13	Japan Open Memory Championship 2017
21	KAREN ISHII	Japan	360	11	Japan Open 2025
22	YOSHIHIRO IKEDA	Japan	358	13	Hong Kong Open Memory Championship 2013
23	YOSHIHIRO IKEDA	Japan	356	13	Japan Open Memory Championship 2014
24	YASUHIRA YAMAGUCHI	Japan	352	11	Japan Open 2026
25	MOTORO OHNO	Japan	350	14	Japan Open Memory Championship 2014
26	YOSHIHIRO IKEDA	Japan	333	13	OZ Open Memory Champs 2013 - Powered by life's DHA
27	KEN KOHAGIZAWA	Japan	332	9	Japan Open 2025
28	TAKERU AOKI	Japan	324	10	Australian Open Memory Championship 2017
28	TAKERU AOKI	Japan	324	10	Singapore Open Memory Championship 2017
28	MOTORO OHNO	Japan	324	14	Japan Open Memory Championship 2015
28	MOTORO OHNO	Japan	324	14	Taiwan Open Memory Championship 2017
32	KENJI TAKAGI	Japan	320	9	Japan Open Memory Championship 2018
32	AKIRA OKUNU	Japan	320	9	Japan Open Memory Championship 2019
34	YU SUGAYA	Japan	312	8	Japan Open 2026
35	MEGUMI MORIKAWA	Japan	310	8	East Asia Open 2025
36	TAKERU AOKI	Japan	304	10	Hong Kong Open Memory Championship 2016
37	MIE SAKATA	Japan	300	8	East Asia Open 2025
37	MEGUMI MORIKAWA	Japan	300	8	Japan Open 2026
37	MIE SAKATA	Japan	300	8	Japan Open 2026
40	NAOYA HIRATA	Japan	294	13	Korea Open Memory Championship 2017
41	TAKERU AOKI	Japan	292	10	Hong Kong Open Memory Championship 2013
42	MASASHI FUJITA	Japan	290	8	Japan Open 2025
43	YU SUGAYA	Japan	288	8	Japan Open 2025
44	TAKERU AOKI	Japan	284	10	3rd Philippine OPEN Champs 2016
44	RIZU TAKAOKA	Japan	284	8	Japan Open 2025
46	REIKO TAKAHASHI	Japan	280	8	Japan Open 2025
47	TAKERU AOKI	Japan	276	10	Singapore Open Memory Championship 2015
48	KEN KOHAGIZAWA	Japan	272	9	Japan Open 2026
49	TAKERU AOKI	Japan	268	10	1st Taiwan Open Memory Championship 2015
50	KENJI TAKAGI	Japan	264	9	Japan Open Memory Championship 2017
50	MIE SAKATA	Japan	264	8	Japan Open 2025
52	KAMICHO HIROKAZU	Japan	260	7	Japan Open Memory Championship 2018
52	MEGUMI MORIKAWA	Japan	260	8	Japan Open 2025
52	ETSUKO NOGAMI	Japan	260	7	East Asia Open 2025
55	NAOKI MIWA	Japan	248	23	Japan Open Memory Championship 2018
56	TAKERU AOKI	Japan	244	10	4th Philippine OPEN Champs 2017
57	KIYOHIRO MURAI	Japan	242	7	Japan Open Memory Championship 2017
58	FUMIKO RENAUDY NEMOTO	Japan	240	7	French Open Memory Championship 2021
58	JUN TAKEDA	Japan	240	7	Japan Open 2025
58	HAYATO ISEKI	Japan	240	7	East Asia Open 2025
58	SUBARU KOMATSU	Japan	240	7	Japan Open 2026
62	YUKI SAKAKI	Japan	236	6	Japan Open 2026
63	TAKERU AOKI	Japan	232	10	Australian Open Memory Championship 2012
64	EMI MABUCHI	Japan	222	6	Japan Open 2026
65	AYUMI OSAGAWA	Japan	220	6	Japan Open 2025
66	TORU KOBAYASHI	Japan	218	6	Japan Open 2026
67	YUKI SAKAKI	Japan	216	6	East Asia Open 2025
68	RYO KOBAYASHI	Japan	208	6	Japan Open Memory Championship 2019
68	YUZUKI TAKAOKA	Japan	208	12	Japan Open Memory Championship 2019
68	KAORI ARAI	Japan	208	6	Japan Open 2025
71	EMI MABUCHI	Japan	202	6	East Asia Open 2025
72	KONOMI NAKAHARA	Japan	200	6	Australian Open Memory Championship 2018
72	ETSUKO NOGAMI	Japan	200	7	Japan Open 2025
74	EMI MABUCHI	Japan	184	6	Japan Open 2025
75	TAKERU AOKI	Japan	180	10	OZ Open Memory Champs 2013 - Powered by life's DHA
75	YUSUKE SUZUKI	Japan	180	5	Japan Open Memory Championship 2018
75	YUKI SAKAKI	Japan	180	6	Japan Open 2025
78	NAOYA HIRATA	Japan	176	13	2nd Korea OPEN Champs 2018
79	NAKAGAWA TAKASHI	Japan	174	5	Japan Open Memory Championship 2017
80	TAKERU AOKI	Japan	170	10	Friendly (Cambridge) Memory Championship 2013
81	NAOYA HIRATA	Japan	168	13	Hong Kong Open Memory Championship 2016
81	SHOHEI HARA	Japan	168	5	Japan Open Memory Championship 2019
83	HIROSHI ABE	Japan	160	5	Singapore Open Memory Championship 2017
83	NAKAGAWA TAKASHI	Japan	160	5	Japan Open Memory Championship 2015
83	KAMICHO HIROKAZU	Japan	160	7	Taiwan Open Memory Championship 2017
83	YUSUKE NAITO	Japan	160	5	Japan Open Memory Championship 2019
83	TAKAFUMI SAKAKIBARA	Japan	160	5	Japan Open Memory Championship 2019
88	SACHIKO HIRAMATSU	Japan	156	4	Japan Open 2026
89	HIROSHI ABE	Japan	152	5	Japan Open Memory Championship 2016
90	KAZUHIRO TOKUDA	Japan	148	4	Japan Open 2025
90	TAKAFUMI SAKAKIBARA	Japan	148	5	East Asia Open 2025
92	KEIKO KAWASHIMA	Japan	140	4	Japan Open 2025
93	ASUKA OHASHI	Japan	132	4	Hong Kong Open Memory Championship 2013
93	YOSHIHISA FUKAI	Japan	132	4	Japan Open 2026
95	HIROSHI ABE	Japan	124	5	2nd Korea OPEN Champs 2018
96	HIROSHI ABE	Japan	120	5	Korea Open Memory Championship 2017
96	YUZUKI TAKAOKA	Japan	120	12	2nd Korea OPEN Champs 2018
96	HIROSHI ABE	Japan	120	5	Japan Open Memory Championship 2015
96	TAKAHIKO MATSUO	Japan	120	3	Japan Open Memory Championship 2016
96	NAKAGAWA TAKASHI	Japan	120	5	Japan Open Memory Championship 2016
96	HIROSHI ABE	Japan	120	5	Australian Open Memory Championship 2018
96	HIROKI TANAKA	Japan	120	3	Japan Open 2026
103	RYOHTO SAWADA	Japan	114	3	Japan Open Memory Championship 2014
104	KEIZO NAKAGAWA	Japan	110	3	Japan Open Memory Championship 2016
105	NAOKO YAZAWA	Japan	104	3	Japan Open 2025
106	MIONO NAMATAME	Japan	100	3	Japan Open 2026
107	HIROMITSU HISHIDA	Japan	90	2	Japan Open Memory Championship 2019
108	MASAYUKI WADA	Japan	88	2	Japan Open Memory Championship 2018
109	KEIZO NAKAGAWA	Japan	84	3	Japan Open Memory Championship 2015
109	KAORI TSUJIKUBO	Japan	84	2	Japan Open Memory Championship 2018
109	EIKO OHARA	Japan	84	2	Japan Open Memory Championship 2018
112	HIROSHI ABE	Japan	80	5	Hong Kong Open Memory Championship 2016
112	YUTA TSUTSUMI	Japan	80	2	Japan Open Memory Championship 2016
112	MARIKA NISHIGUCHI	Japan	80	2	Japan Open Memory Championship 2016
112	SHUNSUKE HOSOI	Japan	80	2	Japan Open Memory Championship 2018
112	TOMOYA KUBO	Japan	80	2	Japan Open Memory Championship 2018
112	HIROSHI ABE	Japan	80	5	Japan Open Memory Championship 2018
112	TOMOYUKI NAKATA	Japan	80	2	Hong Kong Open Memory Championship 2013
112	MIONO NAMATAME	Japan	80	3	Japan Open 2025
112	TOSHIHARU TSUBOI	Japan	80	2	Japan Open 2026
112	ETSUKO NOGAMI	Japan	80	7	Japan Open 2026
122	KEIZO NAKAGAWA	Japan	60	3	Korea Open Memory Championship 2017
122	REINE TSUJIKUBO	Japan	60	1	Japan Open Memory Championship 2018
122	MOTOYUKI KUMAKI	Japan	60	1	Japan Open Memory Championship 2018
122	HIROSHI ABE	Japan	60	5	1st Taiwan Open Memory Championship 2015
122	MIONO NAMATAME	Japan	60	3	East Asia Open 2025
122	RENA TSUNEMI	Japan	60	1	Japan Open 2026
128	RINNE TSUJIKUBO	Japan	52	1	Japan Open Memory Championship 2018
129	TAKERU AOKI	Japan	50	10	Taiwan Open Memory Championship 2017
130	TOSHIHISA YAHAGI	Japan	48	1	Japan Open 2026
131	MARIKA NISHIGUCHI	Japan	40	2	Japan Open Memory Championship 2015
131	KEIZO NAKAGAWA	Japan	40	3	Japan Open Memory Championship 2017
131	KEIZO NAKAGAWA	Japan	40	3	Japan Open Memory Championship 2018
131	NORIKAZU TANAKA	Japan	40	1	Japan Open Memory Championship 2019
131	SAYURI TAKAHASHI	Japan	40	1	Japan Open 2025
136	TOMOYUKI NAKATA	Japan	20	2	Japan Open Memory Championship 2014
136	MANA OHARA	Japan	20		Japan Open Memory Championship 2018
138	YASUSHI TAKEMASA	Japan	12		Japan Open 2025
139	TAKERU AOKI	Japan	10	10	2nd Korea OPEN Champs 2018
140	YUZUKI TAKAOKA	Japan	6	12	Japan Open Memory Championship 2018
141	HIROSHI ABE	Japan	2	5	Japan Open Memory Championship 2019
142	KENJI TAKAGI	Japan	0	9	Japan Open Memory Championship 2016
142	AYUTA TONOMURA	Japan	0		Japan Open Memory Championship 2017
142	HINA OHARA	Japan	0		Japan Open Memory Championship 2018
142	KAZUMA TAKAYANAGI	Japan	0		Japan Open Memory Championship 2018
142	HARUMI YAMADA	Japan	0		Japan Open 2025
142	RIZU TAKAOKA	Japan	0	8	East Asia Open 2025