Ota BLD Autumn 2025

Date
Nov 8, 2025
City
Ota, Tokyo, Japan
Venue

大田区民プラザ (Ota ward plaza)

Address
〒146-0092 東京都大田区下丸子3-1-3 (3-1-3 Shimomaruko, Ota-ku, Tokyo)
Details

小ホール (Small Hall)

Contact

くるくる会

Organizers
Asami Ohkusa, Han Wu (吳翰), Ryutaro Miyazaki (宮崎隆太郎), and Yuichi Hamada (濵田祐一)
WCA Delegates
Asami Ohkusa, Han Wu (吳翰), Ryutaro Miyazaki (宮崎隆太郎), and Yuichi Hamada (濵田祐一)
Download all the competition's details as PDF here.
Information

主催：くるくる会
https://kurukurukai.com

Organized by Kurukurukai.
https://kurukurukai.com

Events
Main event
Competitors
42
Registration period

Online registration opened and closed .

Registration requirements
This competition is over, click here to display the registration requirements it used.
Create a WCA account here if you don't have one.
If this is not your first competition, associate your WCA ID to your WCA account here.
Register for this competition here.
This competition is part of the Ota Autumn 2025 Competition Series. Other competitions in this Series are: Note: You can submit a registration for all competitions in a Series, but only one of those registrations can be confirmed and accepted. You will only be allowed to compete in one of the Series competitions!
There is a competitor limit of 50 competitors.
The base registration fee for this competition is ¥2,000 (Japanese Yen).
If your registration is cancelled before you will be refunded 100% of your registration fee.
Registrants on the waiting list may be accepted onto the competitor list until .
If you are a registered competitor you may change your registered events until by contacting the organization team.
No on the spot registrations will be accepted.
Spectators can attend paying an entry fee of ¥1,000 (Japanese Yen).

参加申込み

  • 参加費は会場で現金でお支払いいただきます
  • 参加申し込みが完了しても、参加定員数の都合などの関係で参加が認められない場合があります
  • 参加申し込みは先着順で承認されます。申込み承認された方にはメールを送信いたします。
  • 個別に配慮を要する特別な事情があれば、事前にお問い合わせください。（kurukurukai-otaautumn2025@googlegroups.com）

参加費

  • 1種目参加：2,000円
  • 2種目参加：3,000円
  • 3種目参加：4,000円
  • 4種目参加：5,000円

※競技参加者以外（同伴・見学）の会場入場費については、「競技参加者以外の来場について」のタブをご覧ください。

Registration

  • The fee will be paid in cash at the venue.
  • Even if you have completed the registration, you may not be allowed to participate in the event due to the number limitation of participants.
  • Applications will be approved on a first-come, first-served basis. An email will be sent to those whose applications have been approved.
  • If you have special circumstances that require individual consideration, please contact us in advance. (kurukurukai-otaautumn2025@googlegroups.com)

Fee

  • 1 event: 2,000 yen
  • 2 events: 3,000 yen
  • 3 events: 4,000 yen
  • 4 events: 5,000 yen

Please see the “Non-Competitor Attendance” tab for information on the admission fee for those not participating in the competition (accompanying competitors and observers).

Highlights
Click here to display the highlights of the competition.

Naoyuki Koike (小池直幸) won with a single solve of 22.30 seconds in the 3x3x3 Blindfolded event. Yiwei Liu (刘伊玮) finished second (23.20) and Yuki Tsuneyoshi (恒吉優紀) finished third (23.61).

Akatsuki Kitamura (北村曉) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 23 2:18.48 DNF Japan 2:55.07DNF2:18.48
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNS
5x5x5 Blindfolded Final 10 37:21.00 DNF Japan 37:21.00DNSDNS
3x3x3 Multi-Blind Final 10 6/7 1:00:00 Japan 6/7 1:00:00

Akito Takei (武井章人) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 5 25.78 DNF Japan 25.78DNF27.13
First round 6 30.64 DNF Japan 30.6439.13DNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNSDNS

Daisuke Kochi (幸地大輔) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 11 5/6 30:48 Japan 5/6 30:48

Haruka Kitamura (北村晴香) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 9 34.51 DNF Japan DNF44.7534.51
First round 12 42.72 DNF Japan DNF58.8742.72
4x4x4 Blindfolded Final 4 3:24.05 DNF Japan 3:24.054:14.45DNF
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 8 14/21 54:30 Japan 14/21 54:30

Hirotaka Ito (伊藤大平) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 4 25.43 DNF Japan DNF25.43DNF
First round 1 19.19 DNF Japan 19.1929.36DNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF

Hiroto Fujita (藤田浩斗) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 5 11:09.00 DNF Japan 11:13.0011:09.00DNF
3x3x3 Multi-Blind Final 3 18/20 1:00:00 Japan 18/20 1:00:00

Kanako Eguchi (江口佳奈子) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 11 38.36 DNF Japan DNF38.36DNF
First round 7 31.49 39.31 Japan 31.4936.4250.03
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 9 10/14 44:14 Japan 10/14 44:14

Kazuhiko Kusano (草野一彦) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 27 3:12.34 DNF Japan 4:16.933:12.34DNF
4x4x4 Blindfolded Final 11 31:24.00 DNF Japan 31:24.00DNFDNF
3x3x3 Multi-Blind Final 12 4/4 38:52 Japan 4/4 38:52

Kohei Abe (阿部航平) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 26 2:27.21 DNF Japan 2:33.76DNF2:27.21
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNFDNF

Kohei Tsuji (辻航平) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 25 2:25.06 DNF Japan 2:25.06DNFDNF

Konosuke Nishiyama (西山幸之介) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 21 2:17.34 DNF Japan DNF2:48.022:17.34
4x4x4 Blindfolded Final 8 11:36.00 13:15.00 Japan 11:54.0011:36.0016:16.00
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNFDNS
3x3x3 Multi-Blind Final 16 7/10 58:38 Japan 7/10 58:38

Mahiro Tanaka (田中万尋) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 15 1:15.36 DNF Japan DNF1:59.041:15.36
First round 19 1:52.64 DNF Japan DNFDNF1:52.64
3x3x3 Multi-Blind Final 24 DNF Japan DNF

Masato Kubota (久保田雅斗) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 22 2:18.39 DNF Japan DNFDNF2:18.39
3x3x3 Multi-Blind Final 21 3/4 27:41 Japan 3/4 27:41

Masayuki Hirai (平井雅之) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 24 2:18.84 DNF Japan DNF2:18.84DNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNSDNS
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNSDNS
3x3x3 Multi-Blind Final 23 2/3 21:08 Japan 2/3 21:08

Naoto Kobayashi (小林直登) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 7 30.30 DNF Japan 30.3033.59DNF
First round 5 25.88 31.36 Japan 25.8831.9036.30
4x4x4 Blindfolded Final 1 2:21.22 DNF Japan 2:21.22DNFDNF
5x5x5 Blindfolded Final 1 5:33.54 DNF Japan 5:33.549:05.52DNF
3x3x3 Multi-Blind Final 2 33/40 1:00:02 Japan 33/40 1:00:02

Naoyuki Koike (小池直幸) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 1 22.30 DNF Japan 30.50DNF22.30
First round 13 50.67 DNF Japan DNFDNF50.67
3x3x3 Multi-Blind Final 22 6/10 44:49 Japan 6/10 44:49

Naoyuki Takahashi (高橋直之) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 28 3:56.77 DNF Japan 3:56.77DNFDNF
3x3x3 Multi-Blind Final 24 DNF Japan DNF

Qiuchi Sang (桑秋驰) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF China DNFDNFDNF
3x3x3 Multi-Blind Final 17 3/3 16:17 China 3/3 16:17

Ryuichi Hayase (早瀬龍一) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNSDNS
3x3x3 Multi-Blind Final 18 6/9 46:27 Japan 6/9 46:27

Ryutaro Miyazaki (宮崎隆太郎) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 13 5/6 47:08 Japan 5/6 47:08

Shiori Yanai (矢内詩織) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 8 33.46 DNF Japan 33.46DNF43.96
First round 9 33.73 38.92 Japan 33.7348.4134.63
4x4x4 Blindfolded Final 5 3:38.10 DNF Japan DNF3:38.10DNF
5x5x5 Blindfolded Final 3 7:22.40 DNF Japan 7:22.408:39.85DNF
3x3x3 Multi-Blind Final 1 32/36 58:36 Japan 32/36 58:36

Shota Wakabayashi (若林翔太) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 17 1:22.05 DNF Japan 1:28.93DNF1:22.05
First round 17 1:19.36 1:26.44 Japan 1:19.361:32.011:27.95
4x4x4 Blindfolded Final 7 9:29.58 DNF Japan 9:29.58DNFDNF
5x5x5 Blindfolded Final 7 15:38.00 16:53.00 Japan 15:38.0016:48.0018:13.00
3x3x3 Multi-Blind Final 5 13/15 49:41 Japan 13/15 49:41

Sotaro Hayashi (林聡太朗) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 16 1:19.92 DNF Japan DNFDNF1:19.92
First round 18 1:43.79 DNF Japan DNFDNF1:43.79
4x4x4 Blindfolded Final 9 13:09.00 DNF Japan DNFDNF13:09.00
3x3x3 Multi-Blind Final 19 6/9 55:12 Japan 6/9 55:12

Syunei Miyauchi (宮内俊英) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNSDNS
3x3x3 Multi-Blind Final 24 DNF Japan DNF

Takayuki Ookusa (大艸尊之) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
4x4x4 Blindfolded Final 10 13:28.00 DNF Japan DNF13:28.00DNF
3x3x3 Multi-Blind Final 24 DNF Japan DNF

Taku Yanai (矢内拓) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
First round 3 24.35 26.86 Japan 27.1224.3529.12
3x3x3 Multi-Blind Final 24 DNF Japan DNF

Takuma Shirahase (白波瀬拓磨) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 14 1:06.98 DNF Japan 1:06.98DNFDNF
First round 15 1:08.73 DNF Japan 1:08.73DNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 6 15:03.00 DNF Japan 15:03.00DNFDNF
3x3x3 Multi-Blind Final 6 8/8 50:36 Japan 8/8 50:36

Takumi Tamura (田村匠) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNSDNS

Teruki Tamura (田村旭輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 12 38.79 DNF Japan DNF38.79DNF
First round 8 33.20 DNF Japan 33.20DNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 4 8:48.81 DNF Japan DNFDNF8:48.81
3x3x3 Multi-Blind Final 15 13/22 57:06 Japan 13/22 57:06

Tomoaki Sakuma (佐久間智章) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 6 26.30 DNF Japan 26.3029.86DNF
First round 2 23.55 DNF Japan 23.55DNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 7 11/14 55:51 Japan 11/14 55:51

Tomoki Koizumi (小泉朋輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 13 57.95 DNF Japan DNF57.95DNF
First round 14 51.20 DNF Japan 51.20DNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNFDNS
3x3x3 Multi-Blind Final 24 DNF Japan DNF

Torakazu Onota (小野田虎司) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
First round 11 37.53 1:05.77 Japan 42.0837.531:57.71
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 14 8/12 51:36 Japan 8/12 51:36

Will Cerne - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF United States DNFDNFDNF

Yi-Fan Wu (吳一凡) - Chinese Taipei WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Chinese Taipei DNFDNFDNF

Yiwei Liu (刘伊玮) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 2 23.20 DNF China 23.20DNFDNF
First round 4 24.73 DNF China 30.78DNF24.73

Yuichi Hamada (濵田祐一) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 9 27:10.00 DNF Japan 27:10.00DNFDNS
3x3x3 Multi-Blind Final 24 DNF Japan DNF

Yuki Mochizuki (望月宥希) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNF

Yuki Tsuneyoshi (恒吉優紀) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 3 23.61 DNF Japan 23.61DNFDNF
First round 16 1:18.49 DNF Japan DNFDNF1:18.49
4x4x4 Blindfolded Final 3 2:59.68 DNF Japan 3:37.89DNF2:59.68
5x5x5 Blindfolded Final 11 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 4 19/25 58:12 Japan 19/25 58:12

Yuki Yamamoto (山本祐輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 10 36.47 DNF Japan DNF36.47DNF
First round 10 35.40 DNF Japan 35.40DNF39.59
4x4x4 Blindfolded Final 2 2:29.56 DNF Japan 3:24.442:29.56DNF
5x5x5 Blindfolded Final 2 6:10.22 7:00.07 NR Japan 6:10.227:17.017:32.99

Yusuke Takada (高田祐介) - Japan WCA profile

Event Round # Best Average Representing Solves
4x4x4 Blindfolded Final 12 DNF DNF Japan DNFDNFDNS
3x3x3 Multi-Blind Final 24 DNF Japan DNF

Yuto Date (伊達優人) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 DNF DNF Japan DNFDNFDNF
4x4x4 Blindfolded Final 6 9:14.73 DNF Japan 9:14.73DNFDNF
5x5x5 Blindfolded Final 8 27:06.00 DNF Japan 27:06.00DNFDNS
3x3x3 Multi-Blind Final 20 7/11 57:03 Japan 7/11 57:03

Zijia Feng (冯子甲) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 18 1:53.24 DNF China DNF2:12.061:53.24
First round 20 2:15.72 DNF China 2:31.58DNF2:15.72
4x4x4 Blindfolded Final 12 DNF DNF China DNFDNFDNF
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