15-minute Numbers

Japan

Rank	Competitor	Country	Score	IAM level	Competition
1	NAOKI MIWA	Japan	880	21	Japan Open 2025
2	MOTORO OHNO	Japan	520	14	Australian Open Memory Championship 2018
3	YOSHIHIRO IKEDA	Japan	482	13	Japan Open Memory Championship 2015
4	YUZUKI TAKAOKA	Japan	450	12	Japan Open 2025
5	TOMOYUKI SASAYA	Japan	440	12	Japan Open 2025
6	TAKERU AOKI	Japan	392	10	Australian Open Memory Championship 2018
7	SAYAKA HOKAZONO	Japan	388	10	Japan Open 2025
8	NAOYA HIRATA	Japan	382	10	Japan Open Memory Championship 2019
9	KAREN ISHII	Japan	360	10	Japan Open 2025
10	KEN KOHAGIZAWA	Japan	332	9	Japan Open 2025
11	KENJI TAKAGI	Japan	320	9	Japan Open Memory Championship 2018
11	AKIRA OKUNU	Japan	320	9	Japan Open Memory Championship 2019
13	MASASHI FUJITA	Japan	290	8	Japan Open 2025
14	YU SUGAYA	Japan	288	8	Japan Open 2025
15	RIZU TAKAOKA	Japan	284	8	Japan Open 2025
16	REIKO TAKAHASHI	Japan	280	8	Japan Open 2025
17	MIE SAKATA	Japan	264	7	Japan Open 2025
18	MEGUMI MORIKAWA	Japan	260	7	Japan Open 2025
18	KAMICHO HIROKAZU	Japan	260	7	Japan Open Memory Championship 2018
20	KIYOHIRO MURAI	Japan	242	7	Japan Open Memory Championship 2017
21	FUMIKO RENAUDY NEMOTO	Japan	240	7	French Open Memory Championship 2021
21	JUN TAKEDA	Japan	240	7	Japan Open 2025
23	AYUMI OSAGAWA	Japan	220	6	Japan Open 2025
24	KAORI ARAI	Japan	208	6	Japan Open 2025
24	RYO KOBAYASHI	Japan	208	6	Japan Open Memory Championship 2019
26	KONOMI NAKAHARA	Japan	200	6	Australian Open Memory Championship 2018
26	ETSUKO NOGAMI	Japan	200	6	Japan Open 2025
28	EMI MABUCHI	Japan	184	5	Japan Open 2025
29	YUKI SAKAKI	Japan	180	5	Japan Open 2025
29	YUSUKE SUZUKI	Japan	180	5	Japan Open Memory Championship 2018
31	NAKAGAWA TAKASHI	Japan	174	5	Japan Open Memory Championship 2017
32	SHOHEI HARA	Japan	168	5	Japan Open Memory Championship 2019
33	HIROSHI ABE	Japan	160	5	Singapore Open Memory Championship 2017
33	YUSUKE NAITO	Japan	160	5	Japan Open Memory Championship 2019
33	TAKAFUMI SAKAKIBARA	Japan	160	5	Japan Open Memory Championship 2019
36	KAZUHIRO TOKUDA	Japan	148	4	Japan Open 2025
37	KEIKO KAWASHIMA	Japan	140	4	Japan Open 2025
38	ASUKA OHASHI	Japan	132	4	Hong Kong Open Memory Championship 2013
39	TAKAHIKO MATSUO	Japan	120	3	Japan Open Memory Championship 2016
40	RYOHTO SAWADA	Japan	114	3	Japan Open Memory Championship 2014
41	KEIZO NAKAGAWA	Japan	110	3	Japan Open Memory Championship 2016
42	NAOKO YAZAWA	Japan	104	3	Japan Open 2025
43	HIROMITSU HISHIDA	Japan	90	2	Japan Open Memory Championship 2019
44	MASAYUKI WADA	Japan	88	2	Japan Open Memory Championship 2018
45	KAORI TSUJIKUBO	Japan	84	2	Japan Open Memory Championship 2018
45	EIKO OHARA	Japan	84	2	Japan Open Memory Championship 2018
47	MIONO NAMATAME	Japan	80	2	Japan Open 2025
47	SHUNSUKE HOSOI	Japan	80	2	Japan Open Memory Championship 2018
47	TOMOYA KUBO	Japan	80	2	Japan Open Memory Championship 2018
47	YUTA TSUTSUMI	Japan	80	2	Japan Open Memory Championship 2016
47	TOMOYUKI NAKATA	Japan	80	2	Hong Kong Open Memory Championship 2013
47	MARIKA NISHIGUCHI	Japan	80	2	Japan Open Memory Championship 2016
53	REINE TSUJIKUBO	Japan	60	1	Japan Open Memory Championship 2018
53	MOTOYUKI KUMAKI	Japan	60	1	Japan Open Memory Championship 2018
55	RINNE TSUJIKUBO	Japan	52	1	Japan Open Memory Championship 2018
56	NORIKAZU TANAKA	Japan	40	1	Japan Open Memory Championship 2019
56	SAYURI TAKAHASHI	Japan	40	1	Japan Open 2025
58	MANA OHARA	Japan	20		Japan Open Memory Championship 2018
59	YASUSHI TAKEMASA	Japan	12		Japan Open 2025
60	HINA OHARA	Japan	0		Japan Open Memory Championship 2018
60	KAZUMA TAKAYANAGI	Japan	0		Japan Open Memory Championship 2018
60	HARUMI YAMADA	Japan	0		Japan Open 2025
60	AYUTA TONOMURA	Japan	0		Japan Open Memory Championship 2017