Tianjin Summer Open 2018

Jun 24, 2018
Tianjin, China

WandaVista Hotel

No.486, Bahao Road, Da Zhi Gu, Tianjin

Ballroom 3, 3rd Floor

Tianjin Summer Open 2018 website
Organization team
Chen Kang (亢晨), Hongshuo Wei (魏宏硕), and Jinjun Yan (闫晋君)
WCA Delegate
Chenxi Shan (单晨曦)
Download all the competition's details as PDF here.

Please check the competition website for more information.

Main event
Registration requirements
This competition is over, click here to display the registration requirements it used.
There is a competitor limit of 240 competitors.
The base registration fee for this competition is ¥80 (Chinese Renminbi Yuan).

The registration period is from 20pm May 23th to 18pm June 15th. The registration fee comprise basic entry fee and additional fee per event.

The limitation is 240 participants, based on a first-come-first-serve rule. For Chinese domestic participants, a completed registration is online registration plus prepaid registration fee. For oversea participants, if you can't pay the fee online via Alipay, pls contact the delegate. Then we will make a reservation for you by manually accepting your registration and you can pay the fee by cash at the venue. Please check the competition website for registration and the other information.

If you would like to cancel your registration, please go through the registration page to do it by yourself and you will get 50% refund of the registration fee. Please keep in mind that, once you cancel the registraton, you are not able to attend the competition any more. The ending of the registration cancellation is at 12pm on June 12th.

Click here to display the highlights of the competition.

Ray Bai won with an average of 8.83 seconds in the 3x3x3 Cube event. Xuming Wang (王旭明) finished second (9.95) and Yubo Ji (纪宇博) finished third (10.23).

Event Name Best Average Representing Solves
3x3x3 Cube Ray Bai 7.69 8.83 United States 7.698.799.3412.458.36
4x4x4 Cube Xuming Wang (王旭明) 29.05 30.39 China 31.8733.7929.0530.1429.15
6x6x6 Cube Xuming Wang (王旭明) 1:47.28 1:55.06 China 1:47.281:58.311:59.60
Megaminx Ray Bai 42.65 46.58 United States 48.4551.8647.5743.7142.65
Pyraminx Jiachen Xu (徐嘉辰) 2.01 2.81 China 2.822.762.844.242.01
Skewb Zongyang Li (李宗阳) 2.32 3.58 China 4.982.775.312.992.32
Square-1 Yunke Zhang (张云柯) 15.22 16.86 China 15.8717.3215.2217.9217.40

Time limit

If you reach the time limit during your solve, the judge will stop you and your result will be DNF (see Regulation A1a4).


The result to beat to proceed to the second phase of a cutoff round (see Regulation 9g).


The format describes how to determine the ranking of competitors based on their results. The list of allowed formats per event is described in Regulation 9b. See Regulation 9f for a description of each format.

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