Yuji Ishii (石井佑嗣)
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | Gold | Silver | Bronze | Solves/Attempts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 37 | 812 | 2402 | 6.63 | 8.27 | 2151 | 760 | 36 | 1 | 84/85 | ||
| 2x2x2 Cube | 217 | 8717 | 31545 | 3.33 | 3.87 | 11503 | 3234 | 95 | 5/5 | |||
| 3x3x3 One-Handed | 111 | 3727 | 10100 | 17.91 | 18.93 | 5681 | 2143 | 78 | 10/10 | |||
| Megaminx | 75 | 967 | 3585 | 1:02.90 | 1:12.47 | 3817 | 1053 | 81 | 10/10 | |||
| Pyraminx | 133 | 3942 | 14583 | 4.84 | 6.05 | 7538 | 2207 | 92 | 20/20 | |||
| Skewb | 135 | 5039 | 19578 | 6.37 | 8.28 | 13343 | 3704 | 116 | 15/15 |
Sum of Ranks
| Sum of NR | NR | Sum of CR | CR | Sum of WR | WR | |
|---|---|---|---|---|---|---|
| Single | 3267 | 161 | 81364 | 4294 | 311257 | 17776 |
| Average | 2387 | 118 | 53388 | 2656 | 191014 | 10536 |
Overall Medal Collection
| Gold | Silver | Bronze |
|---|---|---|
| 1 |
| 3x3x3 Cube | |||||
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Kanto Autumn PM 2025 | Final | 10 | 6.63 | 9.16 | 10.67 10.22 8.34 6.63 8.92 |
| First round | 7 | 8.81 | 9.29 | 8.81 9.84 9.24 9.31 9.32 | |
| Shonan AM 2024 | Final | 4 | 7.49 | 9.02 | 11.67 8.73 7.65 10.68 7.49 |
| Hiroshima Winter 2024 | Second round | 13 | 8.15 | 10.55 | 11.98 12.35 8.15 9.74 9.93 |
| First round | 19 | 8.89 | 10.92 | 10.77 11.63 10.37 8.89 11.69 | |
| Tokyo Challenge VIII 2023 | Final | 8 | 8.22 | 10.50 | 10.51 10.46 11.52 10.54 8.22 |
| WCA World Championship 2023 | First round | 457 | 9.58 | 11.18 | 9.58 10.50 12.59 10.45 12.79 |
| Challenge V 2023 | Final | 5 | 8.41 | 9.82 | 15.09 9.28 8.79 11.38 8.41 |
| Tokyo Challenge Winter C 2023 | Final | 1 | 7.44 | 8.27 | 10.33 8.75 7.44 8.40 7.66 |
| Ayase Autumn A 2022 | Final | 5 | 9.37 | 10.15 | 10.26 10.39 9.81 14.86 9.37 |
| Second round | 6 | 8.81 | 10.13 | 8.81 11.01 9.93 DNF 9.45 | |
| First round | 14 | 11.43 | 12.68 | 12.26 12.87 17.05 11.43 12.92 | |
| Yoga Summer A 2022 | Final | 5 | 9.43 | 10.35 | 10.66 9.76 10.64 10.77 9.43 |
| First round | 6 | 10.54 | 11.05 | 11.46 10.73 10.54 11.60 10.95 | |
| Minatomirai 2022 | Final | 25 | 9.57 | 10.87 | 9.83 13.08 9.70 9.57 13.18 |
| First round | 17 | 8.62 | 10.70 | 11.03 8.62 11.56 10.20 10.87 | |
| Welcome Back Ayase Winter 2020 | Final | 50 | 23.12 | 24.45 | 23.68 27.77 24.83 23.12 24.84 |
| 2x2x2 Cube | |||||
| Competition | Round | Place | Best | Average | Detail |
| Shonan AM 2024 | Final | 10 | 3.33 | 3.87 | 3.52 4.53 3.33 5.36 3.55 |
| 3x3x3 One-Handed | |||||
| Competition | Round | Place | Best | Average | Detail |
| WCA World Championship 2023 | First round | 222 | 17.91 | 18.93 | 22.49 18.68 17.97 17.91 20.14 |
| Minatomirai 2022 | Final | 18 | 18.85 | 21.83 | 23.29 21.92 29.38 18.85 20.28 |
| Megaminx | |||||
| Competition | Round | Place | Best | Average | Detail |
| Kanto Autumn PM 2025 | First round | 26 | 1:08.46 | 1:14.93 | 1:15.21 1:08.46 1:18.85 1:16.99 1:12.59 |
| Hiroshima Winter 2024 | First round | 22 | 1:02.90 | 1:12.47 | 1:11.53 1:02.90 1:09.75 1:16.83 1:16.13 |
| Pyraminx | |||||
| Competition | Round | Place | Best | Average | Detail |
| Hiroshima Winter 2024 | First round | 22 | 5.98 | 9.05 | 7.11 11.08 5.98 8.95 15.87 |
| WCA World Championship 2023 | First round | 330 | 6.84 | 8.39 | 10.15 6.84 9.57 6.98 8.61 |
| Yoga Summer A 2022 | Final | 4 | 4.96 | 6.05 | 9.65 6.06 4.96 5.95 6.13 |
| Minatomirai 2022 | Final | 14 | 4.84 | 7.57 | 4.84 8.95 7.35 9.79 6.42 |
| Skewb | |||||
| Competition | Round | Place | Best | Average | Detail |
| Hiroshima Winter 2024 | Final | 12 | 6.70 | 9.17 | 6.70 11.76 7.91 11.81 7.85 |
| First round | 12 | 6.37 | 8.28 | 6.37 8.00 8.66 10.70 8.17 | |
| Ayase Autumn A 2022 | Final | 13 | 6.52 | 10.45 | 12.65 10.12 10.51 10.71 6.52 |
| Kanto Autumn PM 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| 3x3x3 Cube | Final | 10 | 6.63 | 9.16 | 10.67 10.22 8.34 6.63 8.92 |
| First round | 7 | 8.81 | 9.29 | 8.81 9.84 9.24 9.31 9.32 | |
| Megaminx | First round | 26 | 1:08.46 | 1:14.93 | 1:15.21 1:08.46 1:18.85 1:16.99 1:12.59 |
| Shonan AM 2024 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 4 | 7.49 | 9.02 | 11.67 8.73 7.65 10.68 7.49 |
| 2x2x2 Cube | Final | 10 | 3.33 | 3.87 | 3.52 4.53 3.33 5.36 3.55 |
| Hiroshima Winter 2024 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Second round | 13 | 8.15 | 10.55 | 11.98 12.35 8.15 9.74 9.93 |
| First round | 19 | 8.89 | 10.92 | 10.77 11.63 10.37 8.89 11.69 | |
| Megaminx | First round | 22 | 1:02.90 | 1:12.47 | 1:11.53 1:02.90 1:09.75 1:16.83 1:16.13 |
| Pyraminx | First round | 22 | 5.98 | 9.05 | 7.11 11.08 5.98 8.95 15.87 |
| Skewb | Final | 12 | 6.70 | 9.17 | 6.70 11.76 7.91 11.81 7.85 |
| First round | 12 | 6.37 | 8.28 | 6.37 8.00 8.66 10.70 8.17 | |
| Tokyo Challenge VIII 2023 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 8 | 8.22 | 10.50 | 10.51 10.46 11.52 10.54 8.22 |
| WCA World Championship 2023 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | First round | 457 | 9.58 | 11.18 | 9.58 10.50 12.59 10.45 12.79 |
| 3x3x3 One-Handed | First round | 222 | 17.91 | 18.93 | 22.49 18.68 17.97 17.91 20.14 |
| Pyraminx | First round | 330 | 6.84 | 8.39 | 10.15 6.84 9.57 6.98 8.61 |
| Challenge V 2023 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 5 | 8.41 | 9.82 | 15.09 9.28 8.79 11.38 8.41 |
| Tokyo Challenge Winter C 2023 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 1 | 7.44 | 8.27 | 10.33 8.75 7.44 8.40 7.66 |
| Ayase Autumn A 2022 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 5 | 9.37 | 10.15 | 10.26 10.39 9.81 14.86 9.37 |
| Second round | 6 | 8.81 | 10.13 | 8.81 11.01 9.93 DNF 9.45 | |
| First round | 14 | 11.43 | 12.68 | 12.26 12.87 17.05 11.43 12.92 | |
| Skewb | Final | 13 | 6.52 | 10.45 | 12.65 10.12 10.51 10.71 6.52 |
| Yoga Summer A 2022 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 5 | 9.43 | 10.35 | 10.66 9.76 10.64 10.77 9.43 |
| First round | 6 | 10.54 | 11.05 | 11.46 10.73 10.54 11.60 10.95 | |
| Pyraminx | Final | 4 | 4.96 | 6.05 | 9.65 6.06 4.96 5.95 6.13 |
| Minatomirai 2022 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 25 | 9.57 | 10.87 | 9.83 13.08 9.70 9.57 13.18 |
| First round | 17 | 8.62 | 10.70 | 11.03 8.62 11.56 10.20 10.87 | |
| 3x3x3 One-Handed | Final | 18 | 18.85 | 21.83 | 23.29 21.92 29.38 18.85 20.28 |
| Pyraminx | Final | 14 | 4.84 | 7.57 | 4.84 8.95 7.35 9.79 6.42 |
| Welcome Back Ayase Winter 2020 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 50 | 23.12 | 24.45 | 23.68 27.77 24.83 23.12 24.84 |
| No. | Date | Name | Region | City |
|---|---|---|---|---|
| 11 | 2025-10-11 | Kanto Autumn PM 2025 | Japan | Ota, Tokyo |
| 10 | 2024-12-07 | Shonan AM 2024 | Japan | Fujisawa, Kanagawa |
| 9 | 2024-02-10 | Hiroshima Winter 2024 | Japan | Fukuyama, Hiroshima |
| 8 | 2023-11-04 | Tokyo Challenge VIII 2023 | Japan | Ota, Tokyo |
| 7 | 2023-08-12~15 | WCA World Championship 2023 | Republic of Korea | 인천광역시 (Incheon) |
| 6 | 2023-04-09 | Challenge V 2023 | Japan | Ota, Tokyo |
| 5 | 2023-02-12 | Tokyo Challenge Winter C 2023 | Japan | Ota, Tokyo |
| 4 | 2022-11-03 | Ayase Autumn A 2022 | Japan | Adachi, Tokyo |
| 3 | 2022-08-21 | Yoga Summer A 2022 | Japan | Yoga, Tokyo |
| 2 | 2022-04-29 | Minatomirai 2022 | Japan | Yokohama, Kanagawa |
| 1 | 2020-12-26 | Welcome Back Ayase Winter 2020 | Japan | Adachi, Tokyo |
Closest Cubers
Seen Cubers
| Times | Competitors |
|---|---|
| 1 | 1393 |
| 2 | 79 |
| 3 | 32 |
| 4 | 14 |
| 5 | 12 |
| 6 | 3 |
| 7 | 4 |
| All | 1537 |

