Yasunari Kumekawa (粂川泰成)
| Region | WCA ID | Gender | Competitions | Completed Solves | Japan | 2022KUME01 | Male | 27 | 252 |
|---|
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | |
|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 360 | 9077 | 23968 | 10.31 | 11.22 | 15150 | 5864 | 234 | |
| 2x2x2 Cube | 490 | 22150 | 74906 | 5.05 | 6.71 | 65228 | 19929 | 468 | |
| 4x4x4 Cube | 126 | 3738 | 10490 | 40.28 | 51.12 | 14910 | 5339 | 186 | |
| 5x5x5 Cube | 130 | 3000 | 8851 | 1:23.05 | 1:28.24 | 7676 | 2667 | 117 | |
| 6x6x6 Cube | 54 | 1102 | 3230 | 2:15.71 | 2:22.28 | 2934 | 1011 | 52 | |
| 7x7x7 Cube | 46 | 859 | 2430 | 3:22.07 | 3:33.10 | 2368 | 851 | 43 | |
| 3x3x3 Blindfolded | 87 | 782 | 2410 | 1:20.38 | |||||
| 3x3x3 Fewest Moves | 10 | 40 | 124 | 20 | 22.33 | 100 | 26 | 6 | |
| 3x3x3 One-Handed | 150 | 4970 | 13306 | 19.07 | 21.35 | 9606 | 3743 | 125 | |
| Clock | 170 | 3771 | 15775 | 15.26 | 16.15 | 12899 | 3099 | 135 | |
| Megaminx | 121 | 1796 | 6438 | 1:14.56 | 1:25.99 | 6803 | 1900 | 127 | |
| Pyraminx | 161 | 4732 | 17499 | 5.05 | 7.14 | 12829 | 3765 | 148 | |
| Skewb | 142 | 5285 | 20618 | 6.29 | 8.89 | 16801 | 4611 | 135 | |
| Square-1 | 5 | 66 | 291 | 6.48 | 7.59 | 122 | 27 | 3 | |
| 3x3x3 Multi-Blind | 110 | 899 | 3479 | 2/3 14:30 |
| Competition | Round | Place | Single | Average | Solves | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | |||||||||||
| Kanto Summer 2026 | Second round | 46 | 10.68 | 13.19 | 15.05 | 12.32 | 14.71 | 10.68 | 12.55 | ||
| First round | 49 | 12.60 | 13.90 | 14.23 | 13.39 | 14.58 | 14.09 | 12.60 | |||
| Japan Championship 2026 | First round | 61 | 10.67 | 11.22 | 11.90 | 15.33 | 10.67 | 11.09 | 10.67 | ||
| Kanto Spring 2026 | First round | 54 | 12.87 | 13.39 | 13.01 | 12.87 | 12.96 | 14.19 | 15.09 | ||
| Otsu Biwako Spring 2026 | First round | 28 | 10.31 | 13.24 | 12.56 | 13.82 | 13.35 | 10.31 | 14.42 | ||
| Katano Spring 2026 | First round | 62 | 11.58 | 13.11 | 11.58 | 12.64 | 12.36 | 14.32 | 17.34 | ||
| Otsu Biwako Winter 2026 | First round | 31 | 10.85 | 14.09 | 14.88 | 15.22 | 10.85 | 15.85 | 12.18 | ||
| Kansai Mega Day 2025 | Second round | 46 | 11.78 | 13.53 | 12.38 | 11.78 | 15.21 | 17.10 | 12.99 | ||
| First round | 34 | 11.26 | 12.48 | 11.26 | 13.12 | 13.31 | 12.74 | 11.58 | |||
| Kansai Odd and BLD 2025 | Second round | 68 | 11.69 | 12.80 | 12.98 | 12.52 | 11.69 | 14.42 | 12.91 | ||
| First round | 56 | 10.60 | 11.49 | 11.77 | 10.60 | 11.31 | 11.72 | 11.43 | |||
| Tokai Spring 2025 | First round | 58 | 13.38 | 13.87 | 14.57 | 13.38 | 13.85 | 13.46 | 14.31 | ||
| Shonan PM 2024 | Final | 33 | 11.34 | 12.96 | 11.46 | 14.21 | 15.44 | 11.34 | 13.20 | ||
| Otsu Biwako Autumn 2023 | First round | 44 | 12.00 | 16.51 | 17.65 | 12.00 | 17.44 | 17.19 | 14.91 | ||
| Kanazawa Challenge Spring PM 2023 | Final | 26 | 10.92 | 14.93 | 14.23 | 14.45 | 16.45 | 16.10 | 10.92 | ||
| Hiroshima Spring 2023 | First round | 45 | 13.41 | 14.69 | 13.41 | 13.43 | 20.06 | 15.54 | 15.09 | ||
| Go x Go Kyoto 2023 | First round | 34 | 13.97 | 15.32 | 13.97 | 15.32 | 15.60 | 15.04 | 17.60 | ||
| 2x2x2 Cube | |||||||||||
| Katano Summer 2025 | First round | 45 | 5.05 | 6.71 | 6.58 | 6.25 | 12.09 | 5.05 | 7.30 | ||
| 4x4x4 Cube | |||||||||||
| Katano Milky Way 2024 | First round | 33 | 40.28 | 51.12 | 48.03 | 40.28 | 52.51 | 59.54 | 52.82 | ||
| Kanazawa Challenge Spring PM 2023 | Final | 19 | 49.70 | 53.47 | 1:01.53 | 51.93 | 49.70 | 54.38 | 54.10 | ||
| 5x5x5 Cube | |||||||||||
| Kansai Odd and BLD 2025 | First round | 41 | 1:23.05 | 1:28.24 | 1:26.27 | 1:23.05 | 1:29.13 | 1:29.56 | 1:29.32 | ||
| 6x6x6 Cube | |||||||||||
| Katano Spring 2026 | First round | 34 | 2:19.19 | 2:32.22 | 2:19.19 | 2:39.43 | 2:38.03 | ||||
| Kansai Parity Party 2025 | First round | 19 | 2:15.71 | 2:22.28 | 2:30.97 | 2:15.71 | 2:20.16 | ||||
| Ota Spring 2025 | First round | 17 | 2:17.19 | 2:29.03 | 2:17.19 | 2:28.01 | 2:41.88 | ||||
| 7x7x7 Cube | |||||||||||
| Tokai Big Cubes 2025 | First round | 19 | 3:22.07 | 3:33.10 | 3:24.04 | 3:53.19 | 3:22.07 | ||||
| Kansai Odd and BLD 2025 | Final | 23 | 3:49.70 | 3:52.61 | 3:55.49 | 3:49.70 | 3:52.63 | ||||
| Tokai Spring 2025 | First round | 19 | 3:31.68 | 3:41.03 | 3:34.24 | 3:57.18 | 3:31.68 | ||||
| 3x3x3 Blindfolded | |||||||||||
| Ota Blind Summer 2023 | First round | 27 | 1:59.85 | DNF | DNF | DNF | 1:59.85 | ||||
| Hiroshima Spring 2023 | Final | 11 | 1:20.38 | DNF | 1:22.96 | 1:20.38 | DNF | ||||
| Yoga Summer A 2022 | Final | 17 | DNF | DNF | DNF | DNF | DNF | ||||
| Ota Blind Summer 2022 | Final | 22 | DNF | DNF | DNF | DNF | DNF | ||||
| First round | 22 | 2:08.77 | DNF | 2:08.77 | DNF | DNF | |||||
| 3x3x3 Fewest Moves | |||||||||||
| Japan FMC Championship 2026 | Final | 7 | 22 | 24.00 | 25 | 25 | 22 | ||||
| FMC World 2026 | Final | 248 | 21 | DNF | 24 | 21 | DNF | ||||
| Tokyo FMC Spring 2026 | Final | 3 | 20 | 22.33 | 24 | 23 | 20 | ||||
| First round | 12 | 24 | 26.67 | 25 | 24 | 31 | |||||
| Tokyo FMC Winter 2026 | Final | 7 | 23 | 23.67 | 25 | 23 | 23 | ||||
| First round | 5 | 23 | 24.33 | 24 | 26 | 23 | |||||
| FMC Asia 2025 | Final | 23 | 22 | 27.00 | 22 | 34 | 25 | ||||
| 3x3x3 One-Handed | |||||||||||
| Katano Spring 2026 | First round | 39 | 19.07 | 22.12 | 21.92 | 19.07 | 23.53 | 26.09 | 20.90 | ||
| Otsu Biwako Winter 2026 | First round | 24 | 21.11 | 27.61 | 21.11 | 34.51 | 29.12 | 26.32 | 27.39 | ||
| Shonan PM 2024 | Final | 22 | 20.54 | 21.35 | 22.35 | 20.54 | 20.60 | 21.69 | 21.76 | ||
| Otsu Biwako Autumn 2023 | First round | 23 | 21.81 | 25.38 | 25.90 | 26.65 | 21.81 | 23.60 | 29.74 | ||
| Clock | |||||||||||
| Otsu Biwako Spring 2026 | Final | 23 | 15.26 | 16.15 | 15.26 | 17.20 | 21.29 | 15.82 | 15.44 | ||
| Megaminx | |||||||||||
| Kansai Mega Day 2025 | Second round | 38 | 1:14.56 | 1:25.99 | 1:20.18 | 1:34.89 | 1:14.56 | 1:25.58 | 1:32.20 | ||
| First round | 37 | 1:19.94 | 1:27.63 | 1:19.94 | 1:37.27 | 1:20.77 | 1:36.67 | 1:25.45 | |||
| Pyraminx | |||||||||||
| Katano Summer 2025 | First round | 21 | 5.05 | 7.14 | 7.30 | 5.05 | 6.81 | 7.82 | 7.30 | ||
| Skewb | |||||||||||
| Katano Summer 2025 | First round | 28 | 6.29 | 8.89 | 8.20 | 8.32 | 6.29 | 10.75 | 10.14 | ||
| Square-1 | |||||||||||
| Kanto Summer 2026 | Final | 2 | 8.01 | 9.09 | 8.01 | 8.16 | 8.04 | 18.02 | 11.06 | ||
| Japan Championship 2026 | Final | 3 | 6.80 | 9.23 | 12.16 | 6.80 | 8.01 | 10.88 | 8.81 | ||
| First round | 2 | 7.06 | 7.59 | 7.81 | 7.06 | 7.74 | 11.90 | 7.23 | |||
| Kanto Spring 2026 | Final | 2 | 7.42 | 7.62 | DNF | 7.62 | 7.77 | 7.48 | 7.42 | ||
| First round | 1 | 6.66 | 8.34 | 8.63 | 10.39 | 9.27 | 6.66 | 7.13 | |||
| Kansai Parity Party 2025 | Final | 2 | 6.73 | 8.09 | 8.29 | 8.51 | 6.73 | 7.46 | 9.29 | ||
| Second round | 2 | 6.72 | 8.76 | 12.47 | 6.72 | 11.70 | 6.82 | 7.77 | |||
| First round | 1 | 7.07 | 8.57 | 8.22 | 9.68 | 7.80 | 11.12 | 7.07 | |||
| Ota Spring 2025 | Final | 2 | 6.48 | 9.95 | 13.38 | 11.07 | 9.77 | 9.01 | 6.48 | ||
| First round | 1 | 7.44 | 8.61 | 9.01 | 7.93 | 8.90 | 7.44 | 9.42 | |||
| Katano Milky Way 2024 | Final | 2 | 8.59 | 9.40 | 25.87 | 8.59 | 9.69 | 9.66 | 8.84 | ||
| Otsu Biwako Autumn 2023 | Final | 2 | 9.80 | 10.50 | 10.39 | 10.73 | 13.18 | 9.80 | 10.37 | ||
| 4x4x4 Blindfolded | |||||||||||
| Ota Blind Summer 2023 | Final | 16 | DNF | DNF | DNF | DNF | DNF | ||||
| 3x3x3 Multi-Blind | |||||||||||
| Tokai Big Cubes 2025 | Final | 14 | 2/3 14:30 | 2/3 14:30 | |||||||
National Championship Podiums
| Event | Place | Single | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Japan Championship 2026 | ||||||||
| Square-1 | 3 | 6.80 | 9.23 | 12.16 | 6.80 | 8.01 | 10.88 | 8.81 |