Sum Leung
Name:
Sum Leung
Region:
Hong Kong, China
Competitions:
4
WCA ID:
2025LEUN04
2025LEUN04
Gender:
Male
Career:
2025.04.19 - 2025.09.07
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | Gold | Silver | Bronze | Solves/Attempts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 556 | 28688 | 77721 | 16.04 | 18.57 | 71587 | 26896 | 529 | 24/25 | |||
| 2x2x2 Cube | 484 | 23970 | 81347 | 5.41 | 7.88 | 84312 | 25437 | 521 | 19/20 | |||
| 4x4x4 Cube | 354 | 17171 | 57471 | 1:38.49 | 2/8 | |||||||
| 3x3x3 One-Handed | 293 | 16325 | 47435 | 40.24 | 4/4 | |||||||
| Pyraminx | 342 | 23809 | 90600 | 12.67 | 16.44 | 81586 | 21750 | 331 | 10/10 | |||
| Skewb | 263 | 14725 | 63811 | 19.27 | 23.07 | 57817 | 13515 | 250 | 10/10 | |||
| Square-1 | 124 | 4751 | 22770 | 1:17.05 | 1:36.14 | 18268 | 4072 | 102 | 9/9 |
Sum of Ranks
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Stevenage September 2025 | Second round | 82 | 17.79 | 20.36 | 19.89 20.32 28.46 20.87 17.79 |
| First round | 78 | 16.04 | 18.57 | 16.04 19.11 21.29 19.08 17.51 | |
| Wiltshire Summer 2025 | Second round | 66 | 17.73 | 20.10 | 18.76 17.73 23.44 23.61 18.09 |
| First round | 84 | 17.64 | 25.24 | DNF 17.64 18.56 19.71 37.46 | |
| Stevenage April 2025 | First round | 143 | 26.49 | 34.11 | 36.66 36.94 49.15 26.49 28.72 |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Stevenage September 2025 | First round | 91 | 7.74 | 10.50 | 7.74 9.00 10.26 12.25 DNF |
| Wiltshire Summer 2025 | Second round | 79 | 6.96 | 8.75 | 7.67 6.96 9.49 12.68 9.09 |
| First round | 83 | 6.84 | 8.59 | 9.02 8.65 8.09 13.07 6.84 | |
| Stevenage June 2025 | First round | 79 | 5.41 | 7.88 | 6.21 7.12 12.91 5.41 10.31 |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Stevenage September 2025 | First round | 84 | DNF | DNF DNF | |
| Wiltshire Summer 2025 | First round | 67 | DNF | DNF DNF | |
| Stevenage June 2025 | Final | 68 | 1:38.49 | 1:38.49 1:44.57 | |
| Stevenage April 2025 | First round | 91 | DNF | DNF DNF |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Stevenage September 2025 | First round | 32 | DNF | DNF |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Wiltshire Summer 2025 | Final | 15 | DNF | DNF | DNF DNF DNF |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Stevenage June 2025 | Final | 33 | DNF | DNF |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Wiltshire Summer 2025 | First round | 49 | 40.24 | 49.09 40.24 | |
| Stevenage June 2025 | First round | 73 | 1:04.66 | 1:10.34 1:04.66 |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Wiltshire Summer 2025 | First round | 60 | DNF | DNF DNF |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Stevenage September 2025 | First round | 90 | 16.23 | 21.39 | 16.23 18.51 21.49 24.51 24.16 |
| Wiltshire Summer 2025 | First round | 64 | 12.67 | 16.44 | 15.27 13.77 22.17 12.67 20.27 |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Wiltshire Summer 2025 | Final | 62 | 19.27 | 23.07 | 24.09 19.27 20.10 25.01 25.15 |
| Stevenage April 2025 | First round | 103 | 32.54 | 37.20 | 33.08 52.13 35.40 43.11 32.54 |
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Stevenage September 2025 | First round | 39 | 1:19.51 | 1:36.14 | 1:54.67 1:25.93 1:57.10 1:27.83 1:19.51 |
| Wiltshire Summer 2025 | Final | 42 | 1:27.01 | 1:27.01 1:38.21 | |
| Stevenage June 2025 | Final | 35 | 1:17.05 | 1:17.05 1:20.53 |
| Stevenage September 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| 3x3x3 Cube | Second round | 82 | 17.79 | 20.36 | 19.89 20.32 28.46 20.87 17.79 |
| First round | 78 | 16.04 | 18.57 | 16.04 19.11 21.29 19.08 17.51 | |
| 2x2x2 Cube | First round | 91 | 7.74 | 10.50 | 7.74 9.00 10.26 12.25 DNF |
| 4x4x4 Cube | First round | 84 | DNF | DNF DNF | |
| 6x6x6 Cube | First round | 32 | DNF | DNF | |
| Pyraminx | First round | 90 | 16.23 | 21.39 | 16.23 18.51 21.49 24.51 24.16 |
| Square-1 | First round | 39 | 1:19.51 | 1:36.14 | 1:54.67 1:25.93 1:57.10 1:27.83 1:19.51 |
| Wiltshire Summer 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Second round | 66 | 17.73 | 20.10 | 18.76 17.73 23.44 23.61 18.09 |
| First round | 84 | 17.64 | 25.24 | DNF 17.64 18.56 19.71 37.46 | |
| 2x2x2 Cube | Second round | 79 | 6.96 | 8.75 | 7.67 6.96 9.49 12.68 9.09 |
| First round | 83 | 6.84 | 8.59 | 9.02 8.65 8.09 13.07 6.84 | |
| 4x4x4 Cube | First round | 67 | DNF | DNF DNF | |
| 3x3x3 Blindfolded | Final | 15 | DNF | DNF | DNF DNF DNF |
| 3x3x3 One-Handed | First round | 49 | 40.24 | 49.09 40.24 | |
| Megaminx | First round | 60 | DNF | DNF DNF | |
| Pyraminx | First round | 64 | 12.67 | 16.44 | 15.27 13.77 22.17 12.67 20.27 |
| Skewb | Final | 62 | 19.27 | 23.07 | 24.09 19.27 20.10 25.01 25.15 |
| Square-1 | Final | 42 | 1:27.01 | 1:27.01 1:38.21 | |
| Stevenage June 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 2x2x2 Cube | First round | 79 | 5.41 | 7.88 | 6.21 7.12 12.91 5.41 10.31 |
| 4x4x4 Cube | Final | 68 | 1:38.49 | 1:38.49 1:44.57 | |
| 3x3x3 Fewest Moves | Final | 33 | DNF | DNF | |
| 3x3x3 One-Handed | First round | 73 | 1:04.66 | 1:10.34 1:04.66 | |
| Square-1 | Final | 35 | 1:17.05 | 1:17.05 1:20.53 | |
| Stevenage April 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | First round | 143 | 26.49 | 34.11 | 36.66 36.94 49.15 26.49 28.72 |
| 4x4x4 Cube | First round | 91 | DNF | DNF DNF | |
| Skewb | First round | 103 | 32.54 | 37.20 | 33.08 52.13 35.40 43.11 32.54 |
| No. | Date | Name | Region | City |
|---|---|---|---|---|
| 4 | 2025-09-06~07 | Stevenage September 2025 | United Kingdom | Stevenage, Hertfordshire |
| 3 | 2025-07-26~27 | Wiltshire Summer 2025 | United Kingdom | Chippenham, Wiltshire |
| 2 | 2025-06-07~08 | Stevenage June 2025 | United Kingdom | Stevenage, Hertfordshire |
| 1 | 2025-04-19~20 | Stevenage April 2025 | United Kingdom | Stevenage, Hertfordshire |
Closest Cubers
Seen Cubers
| Times | Competitors |
|---|---|
| 1 | 372 |
| 2 | 79 |
| 3 | 33 |
| 4 | 1 |
| All | 485 |