15-minute Numbers

Japan

Rank	Competitor	Country	Score	IAM level	Competition
1	NAOKI MIWA	Japan	968	23	East Asia Open 2025
2	MOTORO OHNO	Japan	520	14	Australian Open Memory Championship 2018
3	NAOYA HIRATA	Japan	512	13	Japan Open 2026
4	YOSHIHIRO IKEDA	Japan	482	13	Japan Open Memory Championship 2015
5	YUZUKI TAKAOKA	Japan	450	12	Japan Open 2025
6	TOMOYUKI SASAYA	Japan	440	12	Japan Open 2025
7	YASUHIRA YAMAGUCHI	Japan	428	11	East Asia Open 2025
7	KAREN ISHII	Japan	428	11	East Asia Open 2025
9	TAKERU AOKI	Japan	392	10	Australian Open Memory Championship 2018
10	SAYAKA HOKAZONO	Japan	388	10	Japan Open 2025
11	KEN KOHAGIZAWA	Japan	332	9	Japan Open 2025
12	KENJI TAKAGI	Japan	320	9	Japan Open Memory Championship 2018
12	AKIRA OKUNU	Japan	320	9	Japan Open Memory Championship 2019
14	YU SUGAYA	Japan	312	8	Japan Open 2026
15	MEGUMI MORIKAWA	Japan	310	8	East Asia Open 2025
16	MIE SAKATA	Japan	300	8	Japan Open 2026
17	MASASHI FUJITA	Japan	290	8	Japan Open 2025
18	RIZU TAKAOKA	Japan	284	8	Japan Open 2025
19	REIKO TAKAHASHI	Japan	280	8	Japan Open 2025
20	KAMICHO HIROKAZU	Japan	260	7	Japan Open Memory Championship 2018
20	ETSUKO NOGAMI	Japan	260	7	East Asia Open 2025
22	KIYOHIRO MURAI	Japan	242	7	Japan Open Memory Championship 2017
23	FUMIKO RENAUDY NEMOTO	Japan	240	7	French Open Memory Championship 2021
23	SUBARU KOMATSU	Japan	240	7	Japan Open 2026
23	JUN TAKEDA	Japan	240	7	Japan Open 2025
23	HAYATO ISEKI	Japan	240	7	East Asia Open 2025
27	YUKI SAKAKI	Japan	236	6	Japan Open 2026
28	EMI MABUCHI	Japan	222	6	Japan Open 2026
29	AYUMI OSAGAWA	Japan	220	6	Japan Open 2025
30	TORU KOBAYASHI	Japan	218	6	Japan Open 2026
31	KAORI ARAI	Japan	208	6	Japan Open 2025
31	RYO KOBAYASHI	Japan	208	6	Japan Open Memory Championship 2019
33	KONOMI NAKAHARA	Japan	200	6	Australian Open Memory Championship 2018
34	YUSUKE SUZUKI	Japan	180	5	Japan Open Memory Championship 2018
35	NAKAGAWA TAKASHI	Japan	174	5	Japan Open Memory Championship 2017
36	SHOHEI HARA	Japan	168	5	Japan Open Memory Championship 2019
37	YUSUKE NAITO	Japan	160	5	Japan Open Memory Championship 2019
37	HIROSHI ABE	Japan	160	5	Singapore Open Memory Championship 2017
37	TAKAFUMI SAKAKIBARA	Japan	160	5	Japan Open Memory Championship 2019
40	SACHIKO HIRAMATSU	Japan	156	4	Japan Open 2026
41	KAZUHIRO TOKUDA	Japan	148	4	Japan Open 2025
42	KEIKO KAWASHIMA	Japan	140	4	Japan Open 2025
43	ASUKA OHASHI	Japan	132	4	Hong Kong Open Memory Championship 2013
43	YOSHIHISA FUKAI	Japan	132	4	Japan Open 2026
45	HIROKI TANAKA	Japan	120	3	Japan Open 2026
45	TAKAHIKO MATSUO	Japan	120	3	Japan Open Memory Championship 2016
47	RYOHTO SAWADA	Japan	114	3	Japan Open Memory Championship 2014
48	KEIZO NAKAGAWA	Japan	110	3	Japan Open Memory Championship 2016
49	NAOKO YAZAWA	Japan	104	3	Japan Open 2025
50	MIONO NAMATAME	Japan	100	3	Japan Open 2026
51	HIROMITSU HISHIDA	Japan	90	2	Japan Open Memory Championship 2019
52	MASAYUKI WADA	Japan	88	2	Japan Open Memory Championship 2018
53	EIKO OHARA	Japan	84	2	Japan Open Memory Championship 2018
53	KAORI TSUJIKUBO	Japan	84	2	Japan Open Memory Championship 2018
55	YUTA TSUTSUMI	Japan	80	2	Japan Open Memory Championship 2016
55	TOMOYUKI NAKATA	Japan	80	2	Hong Kong Open Memory Championship 2013
55	TOMOYA KUBO	Japan	80	2	Japan Open Memory Championship 2018
55	TOSHIHARU TSUBOI	Japan	80	2	Japan Open 2026
55	MARIKA NISHIGUCHI	Japan	80	2	Japan Open Memory Championship 2016
55	SHUNSUKE HOSOI	Japan	80	2	Japan Open Memory Championship 2018
61	RENA TSUNEMI	Japan	60	1	Japan Open 2026
61	MOTOYUKI KUMAKI	Japan	60	1	Japan Open Memory Championship 2018
61	REINE TSUJIKUBO	Japan	60	1	Japan Open Memory Championship 2018
64	RINNE TSUJIKUBO	Japan	52	1	Japan Open Memory Championship 2018
65	TOSHIHISA YAHAGI	Japan	48	1	Japan Open 2026
66	NORIKAZU TANAKA	Japan	40	1	Japan Open Memory Championship 2019
66	SAYURI TAKAHASHI	Japan	40	1	Japan Open 2025
68	MANA OHARA	Japan	20		Japan Open Memory Championship 2018
69	YASUSHI TAKEMASA	Japan	12		Japan Open 2025
70	HARUMI YAMADA	Japan	0		Japan Open 2025
70	AYUTA TONOMURA	Japan	0		Japan Open Memory Championship 2017
70	KAZUMA TAKAYANAGI	Japan	0		Japan Open Memory Championship 2018
70	HINA OHARA	Japan	0		Japan Open Memory Championship 2018