Colombo Matrix Open 2023
- Date
- Apr 7 - 9, 2023
- City
- Colombo, Sri Lanka
- Venue
Ananda College
- Address
- Ananda College, Maradana Road, Colombo 01, Sri Lanka
- Details
Siyawasa Hall
- Contact
- Organizers
- Kalindu Sachintha Wijesundara and Nadeesh Peiris
- WCA Delegates
- Arun Kannan and Kalindu Sachintha Wijesundara
- Download all the competition's details as PDF .
- Information
- Make sure you will be available at the venue at least 15 minutes before your event starts. You won't be allowed to participate in an event if you reach late. You can refer "Schedule" tab to see the starting time of each event.
- If you're participating in a WCA competition for the first time or not aware of competition rules, make sure that you attend the tutorial session at 09:00 AM on day 2 (8th April 2023)
- If you're participating in a WCA competition for the first time, please bring a valid proof of identity (NIC/Passport/Postal ID/Driving License) If you still don't have any of the above mentioned identifications, bring a colour photograph of yourself certified by your school principal or a justice of peace.
- All participants are expected to volunteer for the event when they are not participating. The roles could be of a judge, runner, or a scrambler, depending upon the situation.
COVID-19 Specific Information:
* Following all local goverment health guidelines is mandatory while attending the competition.
- Events
- Main event
- Competitors
- 116
- 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.
There is a competitor limit of 120 competitors.
The base registration fee for this competition is 3,500 ₨ (Sri Lankan Rupee).
Registration fees won't be refunded under any circumstance.
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.
Any spectator can attend for free.
Steps to complete Registration
Step 1 - Register here by selecting the events you want to participate in.
Step 2 - Make the payment through one of the below mentioned methods.
Step 3 - Wait upto 48 hours for your registration to be confirmed. Once your registration is confirmed, you will get a confirmation mail and your name will appear in the list of registered competitors.Registration Fees Breakdown:
1 to 4 events: LKR 3,500 or USD 11.50
5 to 8 events: LKR 4,500 or USD 14.50
9 to 15 events: LKR 5,000 or USD 15.50Payment details :
For local payments (Srilankan), deposit or Online transfer the relevant Registration Fee (LKR 3,500.00 / LKR 4,500.00 or LKR 5,000.00 depending on the total number of events you are participating) using one of following options:Bank transfer to:
116856045161
W.M.K.S. Wijesundara,
Sampath Bank,
Anuradhapura New TownMake sure to add a comment with the participant name while transferring the money. If possible, kindly send a screenshot of the payment to the organizer through email (kalindu.sachintha@gmail.com).
Send via FriMi Mobile wallet transfer application to: FriMi ID 2222147359
Make sure to add a comment with the participant name while transferring the money. If possible, kindly send a screenshot of the payment to the organizer through email (kalindu.sachintha@gmail.com).
Key Points to note :
1. Registration fee varies depending on the total number of events you are participating.
2. Please note that your registration will be processed manually only after the payment of required fees. - Highlights
-
Click here to display the highlights of the competition.
Ziyu Ye (叶梓渝) won with an average of 6.45 seconds in the 3x3x3 Cube event. Shuda Huang (黄黍达) finished second (7.51) and Sujan Irosha Kumarapperuma finished third (9.47).
3x3x3 Cube
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Ziyu Ye (叶梓渝) | 5.19 | 6.45 | China | 7.67 | 6.54 | 6.79 | 6.03 | 5.19 | |||
2 | Shuda Huang (黄黍达) | 7.16 | 7.51 | China | 8.15 | 7.23 | 7.57 | 7.73 | 7.16 | |||
3 | Sujan Irosha Kumarapperuma | 7.22 | 9.47 | Sri Lanka | 11.88 | 9.54 | 9.82 | 7.22 | 9.06 |
2x2x2 Cube
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Ziyu Ye (叶梓渝) | 1.21 | 1.58 | China | 1.27 | 2.18 | 1.40 | 1.21 | 2.08 | |||
2 | Benul Uthsala Subasinghe | 1.78 | NR | 2.69 | Sri Lanka | 1.78 | 3.83 | 2.39 | 2.46 | 3.22 | ||
3 | Sujan Irosha Kumarapperuma | 3.50 | 4.35 | Sri Lanka | 4.23 | 4.67 | 10.01 | 3.50 | 4.14 |
4x4x4 Cube
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Sujan Irosha Kumarapperuma | 30.43 | NR | 34.96 | Sri Lanka | 30.76 | 41.39 | 36.20 | 30.43 | 37.92 | ||
2 | Nabhan Niyaz | 40.68 | 42.99 | Sri Lanka | 53.97 | 44.81 | 40.68 | 41.05 | 43.12 | |||
3 | Samath Keppitiyagama | 42.86 | 44.09 | Sri Lanka | 44.54 | 44.11 | 42.86 | 43.61 | 49.73 |
5x5x5 Cube
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Sujan Irosha Kumarapperuma | 56.33 | NR | 1:00.37 | NR | Sri Lanka | 58.59 | 1:04.38 | 56.33 | 1:01.44 | 1:01.08 | |
2 | Nabhan Niyaz | 1:16.78 | 1:19.70 | Sri Lanka | 1:19.84 | 1:19.17 | 1:23.87 | 1:20.09 | 1:16.78 | |||
3 | Yifan Wang (王逸帆) | 1:15.67 | 1:34.77 | China | 1:38.37 | 1:28.57 | 1:37.37 | 1:51.42 | 1:15.67 |
6x6x6 Cube
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Sujan Irosha Kumarapperuma | 1:57.34 | NR | 2:07.29 | NR | Sri Lanka | 2:17.18 | 2:07.36 | 1:57.34 | |||
2 | Nabhan Niyaz | 2:43.45 | 2:54.24 | Sri Lanka | 2:44.32 | 3:14.95 | 2:43.45 | |||||
3 | Yifan Wang (王逸帆) | 3:02.55 | 3:14.45 | China | 3:16.16 | 3:02.55 | 3:24.63 |
7x7x7 Cube
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Sujan Irosha Kumarapperuma | 3:13.23 | NR | 3:39.70 | NR | Sri Lanka | 3:59.62 | 3:13.23 | 3:46.26 | |||
2 | Yifan Wang (王逸帆) | 4:12.37 | 4:40.94 | China | 4:20.41 | 5:30.03 | 4:12.37 | |||||
3 | Nabhan Niyaz | 4:52.11 | 5:10.71 | Sri Lanka | 5:18.86 | 4:52.11 | 5:21.16 |
3x3x3 Blindfolded
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Yifan Wang (王逸帆) | 18.03 | DNF | China | 18.03 | 18.04 | DNF | |||||
2 | Sora Wenjie Xu (徐文杰) | 35.84 | DNF | China | DNF | 35.84 | DNF | |||||
3 | Nabhan Niyaz | 1:43.85 | NR | DNF | Sri Lanka | 1:43.85 | DNF | 2:04.62 |
3x3x3 Fewest Moves
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Yifan Wang (王逸帆) | 22 | China | 22 | ||||||||
2 | Benul Uthsala Subasinghe | 44 | Sri Lanka | 44 | ||||||||
3 | Sujan Irosha Kumarapperuma | 47 | Sri Lanka | 47 | ||||||||
3 | Banura Perera | 47 | Sri Lanka | 47 |
3x3x3 One-Handed
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Samath Keppitiyagama | 14.82 | NR | 17.61 | NR | Sri Lanka | 16.75 | 20.02 | 14.82 | 18.49 | 17.59 | |
2 | Theviru Vihansith Samaraweera | 16.59 | 20.88 | Sri Lanka | 31.20 | 18.71 | 27.08 | 16.86 | 16.59 | |||
3 | Ziyu Ye (叶梓渝) | 20.57 | 21.92 | China | DNF | 22.02 | 20.57 | 20.75 | 23.00 |
Clock
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Duneth Nisala Praveen Ranaweera | 7.92 | 8.67 | NR | Sri Lanka | 8.72 | 9.16 | 7.92 | 8.14 | 9.63 | ||
2 | Banura Perera | 6.63 | NR | 9.39 | Sri Lanka | 6.63 | 9.96 | 14.54 | 9.14 | 9.08 | ||
3 | Sora Wenjie Xu (徐文杰) | 8.14 | 9.42 | China | DNF | 10.70 | 9.36 | 8.20 | 8.14 |
Megaminx
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Sujan Irosha Kumarapperuma | 1:02.22 | NR | 1:10.01 | NR | Sri Lanka | 1:18.86 | 1:10.68 | 1:02.22 | 1:13.92 | 1:05.44 | |
2 | Nabhan Niyaz | 1:27.09 | 1:28.89 | Sri Lanka | 1:32.79 | 1:27.09 | 1:27.14 | 1:27.97 | 1:31.57 | |||
3 | Yifan Wang (王逸帆) | 1:28.00 | 1:37.00 | China | 1:32.49 | 1:44.40 | 1:34.10 | 1:44.78 | 1:28.00 |
Pyraminx
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Shuda Huang (黄黍达) | 1.98 | 2.89 | China | 2.93 | 2.98 | 3.05 | 2.76 | 1.98 | |||
2 | Ziyu Ye (叶梓渝) | 2.43 | 3.55 | China | 5.17 | 3.11 | 4.15 | 3.38 | 2.43 | |||
3 | Sujan Irosha Kumarapperuma | 3.16 | 4.30 | Sri Lanka | 5.00 | 4.05 | 4.55 | 3.16 | 4.30 |
Skewb
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Sirima Witharanage Sathmika Navoda | 5.08 | 5.50 | NR | Sri Lanka | 6.18 | 5.15 | 5.16 | 6.18 | 5.08 | ||
2 | Dapana Durage Risith Hansindu | 3.72 | 6.03 | Sri Lanka | 3.72 | 5.23 | 6.44 | 6.41 | 6.65 | |||
3 | Ziyu Ye (叶梓渝) | 5.97 | 6.96 | China | 9.57 | 6.89 | 6.02 | 5.97 | 7.96 |
Square-1
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Banura Perera | 20.26 | 24.57 | NR | Sri Lanka | 20.26 | 25.90 | DNF | 23.03 | 24.77 | ||
2 | Samath Keppitiyagama | 13.02 | NR | 25.11 | Sri Lanka | 50.86 | 29.26 | 13.02 | 22.98 | 23.10 | ||
3 | Nabhan Niyaz | 19.61 | 29.81 | Sri Lanka | 31.01 | 51.94 | 23.96 | 34.46 | 19.61 |
3x3x3 Multi-Blind
# | Name | Best | Average | Representing | Solves | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Nabhan Niyaz | 8/8 50:15 | NR | Sri Lanka | 8/8 50:15 | |||||||
2 | Yifan Wang (王逸帆) | 12/19 59:37 | China | 12/19 59:37 | ||||||||
3 | Hirosh Nividu | 5/6 47:30 | Sri Lanka | 5/6 47:30 |