Chattogram Cube Open 2023


Date
Sep 22 - 23, 2023
City
Chattogram, Bangladesh
Venue

Presidency International School

Address
51, Panchlaish R/A, Chattogram, Bangladesh
Details

8th and 9th Floor

Contact

cubingchittagong@gmail.com

Organizers
Hasan Md Niaz, Hosen Mohammed Imran Nikson, Imtiaz Ahsan Jami, Nazib Nawar, and Tofael Ahmed Akib
WCA Delegates
Arnab Banik and Mohammad Siwom Chowdhury
Download all the competition's details as PDF here.
Information


It's the first WCA competition in Chattogram city. We hope it will be enjoyable for everybody. Necessary details are provided in the tabs. Still you can contact us for any queries.

First Time Participants have to bring an ID card with their Date of Birth for identity verification.

Events
Main event
Competitors
91
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 100 competitors.
The base registration fee for this competition is ৳450 (Bangladeshi Taka).
If your registration is cancelled before you will be refunded 50% of your registration fee.
Registrants on the waiting list may be accepted onto the competitor list until .
We encourage everyone to register for the events they want to compete in via your online registration, however you may add events to your registration up until the event has started.
On the spot registrations will be accepted with a base registration fee of ৳650 (Bangladeshi Taka).


Registration and Payment of Fees

Early bird:

23 August - 5 September 2023
Participating upto 4 events: BDT 450
5 to 8 events: BDT 550
9 to 12 events: BDT 650

Late bird:

6 September - 15 September 2023
Participating upto 4 events: BDT 550
5 to 8 events: BDT 650
9 to 12 events: BDT 750

Spot Registration (Only if the participant limit is not reached):

22 September (8AM-9AM)
Participating upto 4 events: BDT 650
5 to 8 events: BDT 750
9 to 12 events: BDT 850


Duration 1-4 Events 5-8 Events 9-12 Events
Early Bird 23 August - 5 September BDT 450 BDT 550 BDT 650
Late Bird 6 Sepember - 15 September BDT 550 BDT 650 BDT 750
On Spot 22 September (8AM - 9AM) BDT 650 BDT 750 BDT 850

  • The payments must be made in the specified duration to be part of a specific category (Early Bird or Late Bird).
  • Registering on a certain duration on the website without payment would not make one a part of that category, the duration in which payment is made, is the designated category for the competitor.
  • Any payment of fees on the competition day would be considered as "On Spot' registration, even if one has registered online before.

If the limit is reached, a waiting list will be started. During this period, if someone cancels their registration, the first person (101st person) to pay from the waiting list while the registrations are open will be approved. If the registration time period is over, then the competitor has to pay on the spot according to the spot payment fee structure.

If someone pays but can't be approved due to the limit being reached, then the competitor might have a chance of getting approved if someone who is in the approved list cancels their registration. Otherwise, the unapproved person would be refunded 100% of the registration fee after the comp.

For detailed payment procedure, click here

Highlights
Click here to display the highlights of the competition.

Md Tafsirul Islam won with an average of 8.95 seconds in the 3x3x3 Cube event. Siyam Sadman finished second (9.08) and Avirup Das finished third (9.34).

Event Name Best Average Representing Solves
3x3x3 Cube Md Tafsirul Islam 8.21 8.95 Bangladesh 11.238.339.238.219.30
2x2x2 Cube Md Tafsirul Islam 2.82 3.23 Bangladesh 3.263.524.662.822.90
4x4x4 Cube Avirup Das 30.84 34.45 Bangladesh 30.8438.6736.0334.5332.79
5x5x5 Cube Arnab Banik 1:02.54 1:08.90 Bangladesh 1:07.601:14.171:12.211:06.901:02.54
3x3x3 Blindfolded SM Abeer Ullah 57.23 NR 1:04.16 NR Bangladesh 58.8857.231:16.37
3x3x3 Fewest Moves Mosfikul Islam 23 NR Bangladesh 23
3x3x3 One-Handed Md Tafsirul Islam 12.36 15.19 Bangladesh 14.8020.0312.3615.3615.41
Clock Hosen Mohammed Imran Nikson 10.25 12.47 Bangladesh 12.0512.5912.77DNF10.25
Megaminx Mosfikul Islam 48.74 NR 49.84 NR Bangladesh 50.4450.2448.9248.7450.36
Pyraminx Afif Zahin Biswas 3.65 4.46 Bangladesh 3.653.685.585.074.64
Skewb Avirup Das 5.32 5.55 Bangladesh 5.325.575.755.327.72
Square-1 Zuhair Raiyan Khan 14.18 15.72 Bangladesh 15.9814.3216.8714.1820.56
Event Round Format Time limit Cutoff Proceed
3x3x3 Cube First round Bo2 / Ao5 3:00.00 2 attempts to get < 1:30.00 Top 32 advance to next round
Second round Ao5 10:00.00 Top 12 advance to next round
Final Ao5 10:00.00
2x2x2 Cube First round Bo2 / Ao5 3:00.00 2 attempts to get < 1:30.00 Top 16 advance to next round
Final Ao5 10:00.00
4x4x4 Cube First round Bo2 / Ao5 3:00.00 2 attempts to get < 1:30.00 Top 12 advance to next round
Final Ao5 10:00.00
5x5x5 Cube Final Bo2 / Ao5 5:00.00 2 attempts to get < 2:30.00
3x3x3 Blindfolded Final Bo3 15:00.00 cumulative *
3x3x3 Fewest Moves Final Bo1 1 hour
3x3x3 One-Handed First round Bo2 / Ao5 3:00.00 2 attempts to get < 1:00.00 Top 12 advance to next round
Final Ao5 10:00.00
Clock Final Bo2 / Ao5 10:00.00 2 attempts to get < 1:30.00
Megaminx Final Bo2 / Ao5 5:00.00 2 attempts to get < 2:30.00
Pyraminx First round Bo2 / Ao5 2:30.00 2 attempts to get < 1:00.00 Top 12 advance to next round
Final Ao5 10:00.00
Skewb First round Bo2 / Ao5 3:00.00 2 attempts to get < 1:00.00 Top 12 advance to next round
Final Ao5 10:00.00
Square-1 Final Bo2 / Ao5 3:00.00 2 attempts to get < 1:30.00

You are viewing the schedule for the venue Presidency International School.
The schedule is displayed in the timezone Asia/Dhaka.
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Schedule for Friday (September 22, 2023)

From 08:00 AM
To 09:00 AM
Check-in
Hall Room (8th Floor)
From 09:00 AM
To 09:30 AM
Tutorial for new competitors
Hall Room (8th Floor)
From 09:30 AM
To 10:45 AM
Pyraminx First round
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
2:30.00
Cutoff
2 attempts to get < 1:00.00
Proceed
Top 12 advance to next round
From 10:45 AM
To 12:00 PM
Clock Final
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
10:00.00
Cutoff
2 attempts to get < 1:30.00
From 12:00 PM
To 01:00 PM
Megaminx Final
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
5:00.00
Cutoff
2 attempts to get < 2:30.00
From 01:00 PM
To 02:30 PM
Lunch
Hall Room (8th Floor)
From 02:30 PM
To 03:05 PM
3x3x3 Blindfolded Final
Hall Room (8th Floor)
Format
Bo3
Time limit
15:00.00 cumulative *
From 03:05 PM
To 04:15 PM
2x2x2 Cube First round
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
3:00.00
Cutoff
2 attempts to get < 1:30.00
Proceed
Top 16 advance to next round
From 04:15 PM
To 05:30 PM
4x4x4 Cube First round
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
3:00.00
Cutoff
2 attempts to get < 1:30.00
Proceed
Top 12 advance to next round
From 05:30 PM
To 06:15 PM
Square-1 Final
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
3:00.00
Cutoff
2 attempts to get < 1:30.00
From 06:15 PM
To 07:15 PM
3x3x3 Fewest Moves Final (Attempt 1)
Hall Room (8th Floor)
Format
Bo1
Time limit
1 hour

Schedule for Saturday (September 23, 2023)

From 08:30 AM
To 09:30 AM
Check-in
Hall Room (8th Floor)
From 09:30 AM
To 10:30 AM
3x3x3 Cube First round
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
3:00.00
Cutoff
2 attempts to get < 1:30.00
Proceed
Top 32 advance to next round
From 10:30 AM
To 11:15 AM
Skewb First round
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
3:00.00
Cutoff
2 attempts to get < 1:00.00
Proceed
Top 12 advance to next round
From 11:15 AM
To 12:00 PM
3x3x3 One-Handed First round
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
3:00.00
Cutoff
2 attempts to get < 1:00.00
Proceed
Top 12 advance to next round
From 12:00 PM
To 12:30 PM
Room layout change
Hall Room (8th Floor)
From 12:30 PM
To 01:00 PM
4x4x4 Cube Final
Hall Room (8th Floor)
Format
Ao5
Time limit
10:00.00
From 01:00 PM
To 02:00 PM
Lunch
Hall Room (8th Floor)
From 02:00 PM
To 03:15 PM
5x5x5 Cube Final
Hall Room (8th Floor)
Format
Bo2 / Ao5
Time limit
5:00.00
Cutoff
2 attempts to get < 2:30.00
From 03:15 PM
To 03:55 PM
3x3x3 Cube Second round
Hall Room (8th Floor)
Format
Ao5
Time limit
10:00.00
Proceed
Top 12 advance to next round
From 03:55 PM
To 04:25 PM
Pyraminx Final
Hall Room (8th Floor)
Format
Ao5
Time limit
10:00.00
From 04:25 PM
To 04:45 PM
Skewb Final
Hall Room (8th Floor)
Format
Ao5
Time limit
10:00.00
From 04:45 PM
To 05:00 PM
3x3x3 One-Handed Final
Hall Room (8th Floor)
Format
Ao5
Time limit
10:00.00
From 05:00 PM
To 05:15 PM
2x2x2 Cube Final
Hall Room (8th Floor)
Format
Ao5
Time limit
10:00.00
From 05:15 PM
To 05:50 PM
Room setup for 3x3 finals
Hall Room (8th Floor)
From 05:50 PM
To 06:55 PM
3x3x3 Cube Final
Hall Room (8th Floor)
Format
Ao5
Time limit
10:00.00
From 06:55 PM
To 07:35 PM
Awards
Hall Room (8th Floor)

Fee Structure:

Early bird:

23 August - 5 September 2023
Participating upto 4 events: BDT 450
5 to 8 events: BDT 550
9 to 12 events: BDT 650

Late bird:

6 September - 15 September 2023
Participating upto 4 events: BDT 550
5 to 8 events: BDT 650
9 to 12 events: BDT 750

Spot Registration (Only if the participant limit is not reached):

22 September (8AM-9AM)
Participating upto 4 events: BDT 650
5 to 8 events: BDT 750
9 to 12 events: BDT 850


Duration 1-4 Events 5-8 Events 9-12 Events
Early Bird 23 August - 5 September BDT 450 BDT 550 BDT 650
Late Bird 6 Sepember - 15 September BDT 550 BDT 650 BDT 750
On Spot 22 September (8AM - 9AM) BDT 650 BDT 750 BDT 850

Example

Suppose you are going to participate in 5 Events. You have decided to pay on 25 August (Early Bird Category).
Then your fee would be: ৳550 (From the table).
Suppose you are going to participate in 5 Events. You have decided to pay on 10 September (Late Bird Category).
Then your fee would be: ৳650 (From the table).


  • The payments must be done in the specified duration to be part of a specific category (Early Bird or Late Bird).
  • Registering on a certain duration on the website without payment would not make one a part of that category, the duration in which payment is made, is the designated category for the competitor.
  • Any payment of fees on the competition day would be considered as "On Spot' registration, even if one has registered online before.

Steps to pay with Bkash

Pay With Your Personal Bkash Account

Using Bkash USSD service (*247#)

  1. Go To Bkash Menu by dialing *247#
  2. Choose option 1 from the menu.
  3. Enter Personal Number 01861221381 (Hasan Mohammed Niaz) , or 01861221380 (Hosen Mohammed Imran Nikson).
  4. Enter your Total Registration Fee with Bkash Charge.
  5. Enter your personal contact number on Reference.
  6. Enter your Menu Pin to Confirm the Payment.
  7. Send your TrxID (or Trans ID) in a SMS to the number you have sent money to.The text must include - Participant's Name, Participants Personal Mobile Number and the TrxID (or Trans ID).

Using the Bkash App

  1. Log into your Bkash account.
  2. Select Send Money
  3. Enter Personal Number 01861221381 (Hasan Mohammed Niaz) , 01861221380 (Hosen Mohammed Imran Nikson).
  4. Enter your Total Registration Fee with Bkash Charge.
  5. Enter your personal contact number on Reference.
  6. Enter your Menu Pin to Confirm the Payment.
  7. Send your TrxID (or Trans ID) in a SMS to the number you have sent money to.The text must include - Participant's Name, Participant's Personal Mobile Number and the TrxID (or Trans ID).

PAYMENT PROCEDURE IF YOU DON'T HAVE A BKASH ACCOUNT

  1. Go to your nearest Bkash Agent shop.
  2. Tell him to Cash-In into a personal number.
  3. Use either of the following numbers: 01861221381 (Hasan Mohammed Niaz) , or 01861221380 (Hosen Mohammed Imran Nikson).
  4. Tell him to cash-in your Total Registration Fee with Bkash Charge. দোকানদাররা এইটাকে "খরচ" বলে থাকে।
  5. Get the TrxID from the agent.
  6. Send your TrxID (or Trans ID) in a SMS to the number you have sent money to.The text must include - Participant's Name, Participant's Personal Mobile Number and the TrxID (or Trans ID).

A sample SMS:
Name:ABCD EFGH
Num: 017xxxxxxxx
TrxID: XXXXXXXX

Do Not Forget To Send the SMS!!

Any requested changes to registration before the deadline will be honored. Your registration is not complete until your name shows up on the list. If you believe you paid and your name isn't showing up, please contact us and we will work it out.

  • Bkash Charge is 2% of the whole amount. Simply multiply your total registration fee by 1.02 to get the final payable amount.

DISCLAIMER: Any Payment on the competition day counts as spot registration and will follow the Spot Registration Fee Structure.See Details. Registration won't be complete if you pay less than the required amount!
CAUTION: Ours is a personal Bkash account.

New Competitors

If you are a new competitor, it is important that you are familiar with the Regulations. We have a video that explains the competing procedure which we recommend to watch before attending:.

New competitors must bring some form of ID to show at the competition to confirm the name, the country they wish to compete for, and the date of birth registered with. The usual items of ID that people bring are Passports, National ID card, Birth Certificates, Driver's Licenses, etc. As long as it has your name, date of birth, and country, then it will be fine.

If you have any questions, we recommend that you check the FAQ in case it has been asked before. But you are more than welcome to contact us at the link on the Contact. We also recommend you check out the Cubing Chittagong Facebook page.

Information for All Competitors

  1. Please help judge! As a competitor, your judging assignments are the absolute minimum you should be doing to help out. As second rounds, third rounds and finals have no assigned judges, we really need people to help out whenever available for these. If you are directly asked to judge, please go and judge for the remainder of the round in progress. If you do not comply then we are within our rights to disqualify you from the competition as per Regulation 1e2. If you're a parent you can also get involved with running and judging, it's really easy!
  2. Please note that Carbon-Fiber puzzles are not permitted, and please make sure your cube complies with logo regulations!
  3. When you are competing and have handed in your puzzle, please make sure to be waiting in the designated area so that judges and runners do not have to come searching for you.
  4. Please DO NOT talk about the scrambles or your solutions whilst the round is in progress as per Regulation 2g3.
  5. During blindfolded events, please stay silent within the venue. These events require a high amount of concentration and any noise can be distracting. We will announce when the silence will begin and when you may talk within the venue again.
  6. No flash photography under any circumstance within the venue. It is extremely distracting for competitors.
  7. If you are a spectator, please stay 1.5m away from competitors at all times as per Regulation 7b. If you are filming someone competing, please stay out of the competitor area.
  8. Please treat the venue with respect, put all of your rubbish in bins or take it home with you and keep your area tidy.
  9. There are thousands of puzzles at these events, make sure to keep yours together so you don't lose them! Keeping them in a bag and looking after it at all times is recommended. If you do lose a puzzle, please contact us at the link on the General Info page, it is likely that someone has handed it in to us.
  10. We will be taking videos and photographs of the competition and the environment for our social media page Cubing Chittagong. By attending the competition as a competitor or a guest, you are accepting that you may be filmed or photographed for these purposes.

Venue:

Presidency International School (Middle Campus),
51, Panchlaish R/A, Chattogram, Bangladesh.

Bus service is available from all the places inside Chattogram city.

The nearest Airport is Shah Amanat International Airport, Patenga - Patenga Rd, Chittagong 4205
The nearest Railway station is Chattogram Railway Station.

Transportation

Bus:

From Airport to venue :
1)Take "Metro Probhati" or any Bus from the bus stand that drops to Muradpur. Fare will be 35-45 BDT
2) Take rickshaw from Muradpur to the venue. It takes 5 min. Fare will be 30 BDT.

From Chattogram Railway/ New Market station to venue :
If possible, take Uber/Pathao. Bus route is tricky.
1) Take no. 2 or 3 Bus from the bus stand that drops to Muradpur. Fare will be 15 BDT
2) Take rickshaw from Muradpur to the venue. It takes 5 min. Fare will be 30 BDT.

From AK Khan gate/ Alongkar/Colonel Hat to Venue :
If possible, take Uber/Pathao/Auto rickshaw. Bus route is tricky.
1) Take No.4 or 7 Bus from the bus stand that drops to GEC. Fare will be 15 BDT
2) Then take No.10 bus that drops to Muradpur. Fare will be 10 BDT.
3) Take rickshaw from Muradpur to the venue. It takes 5 min. Fare will be 30 BDT.

CNG:

Hire the CNG for Presidency International School near Passport Office.
1) From Airport to venue ==> 350-400 BDT.
2) From Railway station to venue ==> 120-150 BDT.
3) From AK Khan/ Alongkar/ Colonel Hat to venue ==> 180-200 BDT.
4) From Dampara to venue ==> 100-110 BDT.

Go to the Contact tab if necessary.

There will be certificates for all the participants.
There will be certificates and crests for all the podiums.
There will be certificates and crests for Promising Cubers and Best New Comers.

Prize Sponsor: QY Toys


Silver Sponsor: Barcode

Cube Shop Partner: Puzzle Bazaar

Venue and Hospitality: Presidency International School, Chattogram

We will be using WCA Live for live results update. You can find the live results here.

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).
A cumulative time limit may be enforced (see Regulation A1a2).

Cutoff

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

Format

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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