Kazuhiko Kusano (草野一彦)
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | Gold | Silver | Bronze | Solves/Attempts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 769 | 19642 | 52822 | 13.73 | 17.49 | 60070 | 22597 | 896 | 45/45 | |||
| 2x2x2 Cube | 579 | 25203 | 85381 | 5.78 | 6.42 | 55611 | 16861 | 409 | 15/15 | |||
| 4x4x4 Cube | 422 | 12666 | 39243 | 1:12.94 | 1:20.06 | 35407 | 11235 | 401 | 10/10 | |||
| 5x5x5 Cube | 242 | 5603 | 18041 | 1:57.03 | 2:22.81 | 19515 | 5871 | 267 | 7/7 | |||
| 6x6x6 Cube | 180 | 3679 | 14372 | 5:42.49 | 1/1 | |||||||
| 7x7x7 Cube | 140 | 2668 | 9372 | 6:17.89 | 6:50.49 | 8188 | 2380 | 136 | 3/3 | |||
| 3x3x3 Blindfolded | 195 | 2085 | 6363 | 3:12.34 | 3/5 | |||||||
| 3x3x3 Fewest Moves | 12 | 56 | 223 | 22 | 26.00 | 226 | 71 | 16 | 17/18 | |||
| 3x3x3 One-Handed | 416 | 16901 | 49786 | 45.01 | 48.66 | 43175 | 14886 | 391 | 9/9 | |||
| Clock | 65 | 1336 | 5617 | 8.87 | 11.41 | 6405 | 1487 | 68 | 15/15 | |||
| Megaminx | 162 | 3038 | 11191 | 1:40.17 | 1:44.89 | 9699 | 2666 | 149 | 6/7 | |||
| Pyraminx | 323 | 11611 | 43638 | 7.95 | 9.52 | 26392 | 7413 | 232 | 10/10 | |||
| Skewb | 192 | 7680 | 30988 | 8.50 | 13.15 | 32065 | 8105 | 205 | 5/5 | |||
| Square-1 | 185 | 3329 | 15110 | 38.64 | 53.37 | 14758 | 3264 | 183 | 10/10 | |||
| 4x4x4 Blindfolded | 72 | 521 | 2005 | 31:24.00 | 1/3 | |||||||
| 3x3x3 Multi-Blind | 68 | 456 | 1815 | 4/4 38:52 | 1/1 |
Sum of Ranks
| 3x3x3 Cube | |||||
| Competition | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| Ota Winter 2026 | First round | 76 | 13.73 | 17.49 | 16.14 26.54 19.89 16.44 13.73 |
| Tokyo Winter 2025 | First round | 82 | 17.65 | 20.18 | 17.65 31.76 18.20 19.95 22.39 |
| Kanto Autumn PM 2025 | First round | 50 | 18.43 | 21.18 | 28.95 18.43 22.34 19.21 21.99 |
| Kanto Summer PM 2025 | First round | 66 | 17.67 | 21.82 | 24.31 23.31 17.67 21.44 20.72 |
| Tokyo Summer 2025 | First round | 85 | 20.73 | 24.32 | 28.67 20.73 22.24 23.95 26.77 |
| Kanto Spring 2025 | First round | 95 | 15.60 | 19.51 | 19.64 20.07 15.60 19.30 19.60 |
| Tokyo Spring PM 2025 | First round | 69 | 20.25 | 22.68 | 22.82 24.57 20.25 23.29 21.94 |
| Shonan AM 2024 | Final | 52 | 19.45 | 22.10 | 19.45 19.73 35.27 21.57 24.99 |
| Tokyo Challenge VIII 2023 | Final | 32 | 22.77 | 26.17 | 25.25 26.85 26.42 22.77 27.99 |
| 2x2x2 Cube | |||||
| Competition | Round | Place | Best | Average | Detail |
| Tokyo Winter 2025 | First round | 54 | 5.78 | 6.42 | 8.72 5.78 6.18 6.97 6.12 |
| Tokyo Spring PM 2025 | First round | 57 | 6.60 | 7.90 | 7.19 8.61 6.60 10.89 7.91 |
| Shonan AM 2024 | Final | 51 | 7.69 | 8.56 | 7.81 9.88 7.99 12.38 7.69 |
| 4x4x4 Cube | |||||
| Competition | Round | Place | Best | Average | Detail |
| Tokyo Winter 2025 | First round | 61 | 1:16.39 | 1:20.06 | 1:18.98 1:16.39 1:33.24 1:20.53 1:20.68 |
| Tokyo Summer 2025 | First round | 65 | 1:12.94 | 1:29.35 | 1:23.92 1:12.94 2:00.00 1:36.37 1:27.75 |
| 5x5x5 Cube | |||||
| Competition | Round | Place | Best | Average | Detail |
| Ota Winter 2026 | First round | 49 | 1:57.03 | 2:22.81 | 2:31.80 2:30.59 2:06.03 2:43.66 1:57.03 |
| Kanto Summer PM 2025 | First round | 51 | 2:43.01 | 2:57.31 2:43.01 | |
| 6x6x6 Cube | |||||
| Competition | Round | Place | Best | Average | Detail |
| Ota Spring 2025 | First round | 39 | 5:42.49 | 5:42.49 | |
| 7x7x7 Cube | |||||
| Competition | Round | Place | Best | Average | Detail |
| Tokyo Autumn 2025 | First round | 55 | 6:17.89 | 6:50.49 | 7:54.01 6:19.58 6:17.89 |
| 3x3x3 Blindfolded | |||||
| Competition | Round | Place | Best | Average | Detail |
| Ota BLD Autumn 2025 | First round | 27 | 3:12.34 | DNF | 4:16.93 3:12.34 DNF |
| Ota Blind New Year 2024 | Final | 34 | 5:47.19 | DNF | DNF 5:47.19 DNS |
| 3x3x3 Fewest Moves | |||||
| Competition | Round | Place | Best | Average | Detail |
| Tokyo FMC Winter 2026 | Final | 11 | 22 | 26.00 | 26 30 22 |
| First round | 11 | 25 | 27.33 | 28 25 29 | |
| Tokyo FMC Spring 2025 | Final | 12 | 25 | 26.67 | 25 29 26 |
| First round | 14 | 31 | 36.00 | 31 36 41 | |
| Tokyo Open FMC Winter 2025 | Final | 9 | 29 | 34.00 | 31 42 29 |
| Ayase FMC 2023 | Final | 30 | 33 | DNF | DNF 39 33 |
| 3x3x3 One-Handed | |||||
| Competition | Round | Place | Best | Average | Detail |
| Ota Winter 2026 | First round | 58 | 45.01 | 48.66 | 52.75 45.27 47.97 1:00.06 45.01 |
| Tokyo Summer 2025 | First round | 66 | 1:05.50 | 1:05.50 1:09.09 | |
| Kanto Spring 2025 | First round | 65 | 53.22 | 55.29 53.22 | |
| Clock | |||||
| Competition | Round | Place | Best | Average | Detail |
| Ota Winter 2026 | First round | 21 | 8.87 | 11.41 | 9.99 18.69 13.44 10.80 8.87 |
| Tokyo Autumn 2025 | First round | 26 | 10.36 | 11.99 | 11.80 19.81 10.36 11.99 12.17 |
| Ota Blind New Year 2024 | Final | 23 | 17.33 | 21.16 | 26.17 19.73 17.33 30.14 17.57 |
| Megaminx | |||||
| Competition | Round | Place | Best | Average | Detail |
| Kanto Autumn PM 2025 | First round | 38 | 1:40.17 | 1:44.89 | 1:40.17 1:55.65 1:41.08 1:51.24 1:42.35 |
| Ota Spring 2025 | First round | 36 | 1:56.94 | DNF 1:56.94 | |
| Pyraminx | |||||
| Competition | Round | Place | Best | Average | Detail |
| Tokyo Summer 2025 | First round | 44 | 7.95 | 9.52 | 9.65 10.76 10.07 8.83 7.95 |
| Kanto Spring 2025 | First round | 47 | 8.20 | 12.13 | 8.20 14.35 13.16 10.14 13.10 |
| Skewb | |||||
| Competition | Round | Place | Best | Average | Detail |
| Ota Spring 2025 | First round | 37 | 8.50 | 13.15 | 14.10 8.50 10.83 14.72 14.52 |
| Square-1 | |||||
| Competition | Round | Place | Best | Average | Detail |
| Tokyo Winter 2025 | First round | 38 | 38.87 | 53.37 | 1:00.44 48.44 51.23 1:20.16 38.87 |
| Ota Spring 2025 | First round | 36 | 38.64 | 59.83 | 1:22.41 58.41 38.64 50.42 1:10.66 |
| 4x4x4 Blindfolded | |||||
| Competition | Round | Place | Best | Average | Detail |
| Ota BLD Autumn 2025 | Final | 11 | 31:24.00 | DNF | 31:24.00 DNF DNF |
| 3x3x3 Multi-Blind | |||||
| Competition | Round | Place | Best | Average | Detail |
| Ota BLD Autumn 2025 | Final | 12 | 4/4 38:52 | 4/4 38:52 | |
| Ota Winter 2026 | |||||
| Event | Round | Place | Best | Average | Detail |
|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 76 | 13.73 | 17.49 | 16.14 26.54 19.89 16.44 13.73 |
| 5x5x5 Cube | First round | 49 | 1:57.03 | 2:22.81 | 2:31.80 2:30.59 2:06.03 2:43.66 1:57.03 |
| 3x3x3 One-Handed | First round | 58 | 45.01 | 48.66 | 52.75 45.27 47.97 1:00.06 45.01 |
| Clock | First round | 21 | 8.87 | 11.41 | 9.99 18.69 13.44 10.80 8.87 |
| Tokyo FMC Winter 2026 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Fewest Moves | Final | 11 | 22 | 26.00 | 26 30 22 |
| First round | 11 | 25 | 27.33 | 28 25 29 | |
| Tokyo Winter 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | First round | 82 | 17.65 | 20.18 | 17.65 31.76 18.20 19.95 22.39 |
| 2x2x2 Cube | First round | 54 | 5.78 | 6.42 | 8.72 5.78 6.18 6.97 6.12 |
| 4x4x4 Cube | First round | 61 | 1:16.39 | 1:20.06 | 1:18.98 1:16.39 1:33.24 1:20.53 1:20.68 |
| Square-1 | First round | 38 | 38.87 | 53.37 | 1:00.44 48.44 51.23 1:20.16 38.87 |
| Ota BLD Autumn 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Blindfolded | First round | 27 | 3:12.34 | DNF | 4:16.93 3:12.34 DNF |
| 4x4x4 Blindfolded | Final | 11 | 31:24.00 | DNF | 31:24.00 DNF DNF |
| 3x3x3 Multi-Blind | Final | 12 | 4/4 38:52 | 4/4 38:52 | |
| Kanto Autumn PM 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | First round | 50 | 18.43 | 21.18 | 28.95 18.43 22.34 19.21 21.99 |
| Megaminx | First round | 38 | 1:40.17 | 1:44.89 | 1:40.17 1:55.65 1:41.08 1:51.24 1:42.35 |
| Tokyo Autumn 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 7x7x7 Cube | First round | 55 | 6:17.89 | 6:50.49 | 7:54.01 6:19.58 6:17.89 |
| Clock | First round | 26 | 10.36 | 11.99 | 11.80 19.81 10.36 11.99 12.17 |
| Kanto Summer PM 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | First round | 66 | 17.67 | 21.82 | 24.31 23.31 17.67 21.44 20.72 |
| 5x5x5 Cube | First round | 51 | 2:43.01 | 2:57.31 2:43.01 | |
| Tokyo Summer 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | First round | 85 | 20.73 | 24.32 | 28.67 20.73 22.24 23.95 26.77 |
| 4x4x4 Cube | First round | 65 | 1:12.94 | 1:29.35 | 1:23.92 1:12.94 2:00.00 1:36.37 1:27.75 |
| 3x3x3 One-Handed | First round | 66 | 1:05.50 | 1:05.50 1:09.09 | |
| Pyraminx | First round | 44 | 7.95 | 9.52 | 9.65 10.76 10.07 8.83 7.95 |
| Kanto Spring 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | First round | 95 | 15.60 | 19.51 | 19.64 20.07 15.60 19.30 19.60 |
| 3x3x3 One-Handed | First round | 65 | 53.22 | 55.29 53.22 | |
| Pyraminx | First round | 47 | 8.20 | 12.13 | 8.20 14.35 13.16 10.14 13.10 |
| Tokyo FMC Spring 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Fewest Moves | Final | 12 | 25 | 26.67 | 25 29 26 |
| First round | 14 | 31 | 36.00 | 31 36 41 | |
| Tokyo Spring PM 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | First round | 69 | 20.25 | 22.68 | 22.82 24.57 20.25 23.29 21.94 |
| 2x2x2 Cube | First round | 57 | 6.60 | 7.90 | 7.19 8.61 6.60 10.89 7.91 |
| Ota Spring 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 6x6x6 Cube | First round | 39 | 5:42.49 | 5:42.49 | |
| Megaminx | First round | 36 | 1:56.94 | DNF 1:56.94 | |
| Skewb | First round | 37 | 8.50 | 13.15 | 14.10 8.50 10.83 14.72 14.52 |
| Square-1 | First round | 36 | 38.64 | 59.83 | 1:22.41 58.41 38.64 50.42 1:10.66 |
| Tokyo Open FMC Winter 2025 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Fewest Moves | Final | 9 | 29 | 34.00 | 31 42 29 |
| Shonan AM 2024 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 52 | 19.45 | 22.10 | 19.45 19.73 35.27 21.57 24.99 |
| 2x2x2 Cube | Final | 51 | 7.69 | 8.56 | 7.81 9.88 7.99 12.38 7.69 |
| Ota Blind New Year 2024 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Blindfolded | Final | 34 | 5:47.19 | DNF | DNF 5:47.19 DNS |
| Clock | Final | 23 | 17.33 | 21.16 | 26.17 19.73 17.33 30.14 17.57 |
| Ayase FMC 2023 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Fewest Moves | Final | 30 | 33 | DNF | DNF 39 33 |
| Tokyo Challenge VIII 2023 | |||||
| Event | Round | Place | Best | Average | Detail |
| 3x3x3 Cube | Final | 32 | 22.77 | 26.17 | 25.25 26.85 26.42 22.77 27.99 |
| No. | Date | Name | Region | City |
|---|---|---|---|---|
| 17 | 2026-01-25 | Ota Winter 2026 | Japan | Ota, Tokyo |
| 16 | 2026-01-17 | Tokyo FMC Winter 2026 | Japan | Ota, Tokyo |
| 15 | 2025-12-07 | Tokyo Winter 2025 | Japan | Ota, Tokyo |
| 14 | 2025-11-08 | Ota BLD Autumn 2025 | Japan | Ota, Tokyo |
| 13 | 2025-10-11 | Kanto Autumn PM 2025 | Japan | Ota, Tokyo |
| 12 | 2025-09-23 | Tokyo Autumn 2025 | Japan | Ota, Tokyo |
| 11 | 2025-08-30 | Kanto Summer PM 2025 | Japan | Ota, Tokyo |
| 10 | 2025-07-21 | Tokyo Summer 2025 | Japan | Ota, Tokyo |
| 9 | 2025-05-31 | Kanto Spring 2025 | Japan | Ota, Tokyo |
| 8 | 2025-05-17 | Tokyo FMC Spring 2025 | Japan | Ota, Tokyo |
| 7 | 2025-04-20 | Tokyo Spring PM 2025 | Japan | Ota, Tokyo |
| 6 | 2025-03-20 | Ota Spring 2025 | Japan | Ota, Tokyo |
| 5 | 2025-02-16 | Tokyo Open FMC Winter 2025 | Japan | Ota, Tokyo |
| 4 | 2024-12-07 | Shonan AM 2024 | Japan | Fujisawa, Kanagawa |
| 3 | 2024-01-20 | Ota Blind New Year 2024 | Japan | Ota, Tokyo |
| 2 | 2023-11-26 | Ayase FMC 2023 | Japan | Adachi, Tokyo |
| 1 | 2023-11-04 | Tokyo Challenge VIII 2023 | Japan | Ota, Tokyo |
Closest Cubers
Seen Cubers
| Times | Competitors |
|---|---|
| 1 | 280 |
| 2 | 73 |
| 3 | 43 |
| 4 | 28 |
| 5 | 13 |
| 6 | 20 |
| 7 | 5 |
| 8 | 9 |
| 9 | 9 |
| 10 | 5 |
| 11 | 4 |
| 12 | 2 |
| 14 | 2 |
| 15 | 1 |
| All | 494 |

