Jack Cai
Cubing Classic 2016
WCA ID: 2014CAIJ02
Country: Australia 
Active since: 2014
8
Events Entered48
Official Solves3
Best Position (3x3x3 Blindfolded)3x3x3 Blindfolded
Best Event54.91s
Best Result (3x3x3 Blindfolded)10
PBs AchievedEvents
3x3x3 Cube
2x2x2 Cube
4x4x4 Cube
5x5x5 Cube
6x6x6 Cube
7x7x7 Cube
3x3x3 Blindfolded
3x3x3 Fewest Moves
3x3x3 One-Handed
Clock
Megaminx
Pyraminx
Skewb
Square-1
4x4x4 Blindfolded
5x5x5 Blindfolded
3x3x3 Multi-Blind
Competitions
Australian Nationals 2026
Spark Melbourne Autumn Saturday 2026
North-East Melbourne March Saturday 2026
Melbourne Summer 2026
Balam Cubes Jakarta New Year 2026
Melbourne Cube Days 2025
Megaminx in Mordialloc 2025
Spark Melbourne July 2025
Spark Melbourne February 2025
Spark Melbourne Spring Saturday 2024
Kew Clock Clash 2024
Cubing at The Game Expo 2024
The Big Cube Melbourne 2023
Rubik's WCA World Championship 2023
Monterrey Bogotá III 2023
Capitanejo 2023
Big Tunas 2023
Rubik's WCA Oceanic Championship 2022
Melbourne Trilogy Upstairs 2022
Rubik's WCA North American Championship 2022
Melbourne Summer 2022
Cranbourne Crazy Clock Attempt 2 2021
Altona Algorithms Attempt 2 2021
Barwon Cube for the Kids 2021
Melbourne Summer 2021
Bendigo Cube Blitz 2020
Melbourne Summer 2020
Surf Coast Cubing 2019
Melbourne Cube Days 2019
Odd Day in Sydney 2019
Japan Championship 2019
Puzzling Pakenham 2019
Altona Algorithms 2019
Box Hill Big Blind Bonanza 2019
Horsham 2019
WCA World Championship 2019
Warm Up Sydney 2019
Oceania 10th Anniversary 2019
Koalafication Melbourne 2019
Koalafication Adelaide 2019
Cube for Cambodia 2019
Solving in Sale 2019
Koalafication Brisbane 2019
Koalafication Sydney 2019
Hobart Open 2019
Melbourne Mental Mania 2019
Brilliant Ballarat 2019
Cool Down Sydney 2019
Melbourne Summer 2019
Adelaide Summer 2019
Northside Cube Day 2019
Melbourne Cube Days 2018
Malaysia Cube Championship 2018
Odd Day in Sydney 2018
St Kevin's College Spring 2018
Australian Nationals 2018
Horsham Winter 2018
WCA Asian Championship 2018
Adelaide Winter 2018
Melbourne Winter 2018
Cube for Cambodia 2018
ASFA Speedcubing 2018
Sydney Championship 2017
New Zealand Nationals 2017
Melbourne Cube Days 2017
Canberra Spring 2017
Australian Nationals 2017
World Rubik's Cube Championship 2017
Sydney Winter 2017
Cube for Cambodia 2017
Cubing Classic 2017
Lifestyle Seasons Summer 2017
Adelaide Summer 2017
Sydney Championship 2016
POPS Open 2016
New Zealand Nationals 2016
Melbourne Cube Days 2016
Cube for Cambodia 2016
Connor's Cube Day 2016
Melbourne Autumn 2016
Cubing Classic 2016
Melbourne Cube Days 2015
Australian Nationals 2015
Lifestyle Seasons Winter 2015
Cube for Cambodia 2015
Melbourne Autumn 2015
Melbourne Cube Day 2014
Competition Event Summary
| Event | Round Reached | Single | Average | Position |
|---|---|---|---|---|
| 3x3x3 Cube | Second round | 12.92s | 16.16s | #21 |
| 2x2x2 Cube | Second round | 1.99s | 5.52s | #20 |
| 4x4x4 Cube | First round | 1:05.07 | 1:10.64 | #17 |
| 5x5x5 Cube | First round | 2:51.30 | — | #18 |
| 3x3x3 Blindfolded | Final | 54.91s | — | #3 |
| 3x3x3 One-Handed | Final | 22.40s | 24.71s | #4 |
| Pyraminx | First round | 8.11s | 11.82s | #27 |
| Skewb | Final | 25.53s | 34.20s | #37 |
Event Ranking Chart
Competition Round Breakdown
3x3x3 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Second round | #21 | 12.92s | 16.16s | (12.92s) | 14.08s | 18.37s | 16.04s | (18.48s) |
| First round | #15 | 13.93s | 14.60s | (15.58s) | 15.15s | 14.19s | 14.46s | (13.93s) |
2x2x2 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Second round | #20 | 1.99s | 5.52s | 6.48s | 5.72s | (6.76s) | 4.37s | (1.99s) |
| First round | #33 | 4.97s | 7.07s | (4.97s) | 6.12s | 5.15s | (11.21s) | 9.94s |
4x4x4 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| First round | #17 | 1:05.07 | 1:10.64 | 1:08.99 | 1:07.41 | (1:05.07) | (1:29.05) | 1:15.52 |
5x5x5 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| First round | #18 | 2:51.30 | — | 2:58.70 | 2:51.30 | — | — | — |
3x3x3 Blindfolded
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #3 | 54.91s | — | 54.91s | DNF | DNF | — | — |
3x3x3 One-Handed
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #4 | 22.40s | 24.71s | 22.93s | 24.01s | (27.19s) | 27.18s | (22.40s) |
| First round | #4 | 17.70s | 20.72s | (17.70s) | 21.27s | 20.66s | (22.36s) | 20.24s |
Pyraminx
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| First round | #27 | 8.11s | 11.82s | 13.49s | 11.64s | (15.19s) | 10.34s | (8.11s) |
Skewb
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #37 | 25.53s | 34.20s | (39.04s) | (25.53s) | 38.86s | 28.03s | 35.71s |
PBs Achieved
| Event | Type | Previous PB | New PB | Improvement |
|---|---|---|---|---|
| 2x2x2 Cube | Single | 3.97s | 1.99s | -1.98s |
| 3x3x3 Blindfolded | Single | 1:48.13 | 54.91s | -53.22s |
| 3x3x3 Cube | Average | 14.91s | 14.60s | -0.31s |
| 3x3x3 One-Handed | Average | 22.90s | 20.72s | -2.18s |
| 3x3x3 One-Handed | Single | 20.97s | 17.70s | -3.27s |
| 4x4x4 Cube | Average | 1:22.60 | 1:10.64 | -11.96s |
| 4x4x4 Cube | Single | 1:10.00 | 1:05.07 | -4.93s |
| 5x5x5 Cube | Single | First official result | 2:51.30 | — |
| Pyraminx | Average | 12.08s | 11.82s | -0.26s |
| Pyraminx | Single | 8.38s | 8.11s | -0.27s |
✉️
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