Yasunari Kumekawa (粂川泰成)

Region WCA ID Gender Competitions Completed Solves
Japan 2022KUME01 Male 22 203

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 334 8309 22559 10.31 11.49 15751 5972 243
2x2x2 Cube 486 21115 71766 5.05 6.71 62409 18944 464
4x4x4 Cube 122 3482 9858 40.28 51.12 14125 5025 182
5x5x5 Cube 130 2825 8373 1:23.05 1:28.24 7224 2497 117
6x6x6 Cube 51 998 2948 2:15.71 2:22.28 2672 913 49
7x7x7 Cube 43 788 2244 3:22.07 3:33.10 2184 778 41
3x3x3 Blindfolded 83 737 2283 1:20.38
3x3x3 Fewest Moves 5 20 84 20 22.33 82 23 4
3x3x3 One-Handed 141 4665 12636 19.07 21.35 9069 3483 115
Clock 166 3492 14743 15.26 16.15 12060 2874 133
Megaminx 108 1675 6078 1:14.56 1:25.99 6402 1761 115
Pyraminx 151 4480 16662 5.05 7.14 12268 3578 139
Skewb 141 5055 19725 6.29 8.89 16083 4407 135
Square-1 3 56 265 6.48 8.09 156 35 3
3x3x3 Multi-Blind 106 860 3340 2/3 14:30

Medal Collection

Gold Silver Bronze
0 4 1
Competition Round Place Single Average Solves
3x3x3 Cube
Otsu Biwako Spring 2026 First round 28 10.31 13.24 12.5613.8213.3510.3114.42
Katano Spring 2026 First round 62 11.58 13.11 11.5812.6412.3614.3217.34
Otsu Biwako Winter 2026 First round 31 10.85 14.09 14.8815.2210.8515.8512.18
Kansai Mega Day 2025 Second round 46 11.78 13.53 12.3811.7815.2117.1012.99
First round 34 11.26 12.48 11.2613.1213.3112.7411.58
Kansai Odd and BLD 2025 Second round 68 11.69 12.80 12.9812.5211.6914.4212.91
First round 56 10.60 11.49 11.7710.6011.3111.7211.43
Tokai Spring 2025 First round 58 13.38 13.87 14.5713.3813.8513.4614.31
Shonan PM 2024 Final 33 11.34 12.96 11.4614.2115.4411.3413.20
Otsu Biwako Autumn 2023 First round 44 12.00 16.51 17.6512.0017.4417.1914.91
Kanazawa Challenge Spring PM 2023 Final 26 10.92 14.93 14.2314.4516.4516.1010.92
Hiroshima Spring 2023 First round 45 13.41 14.69 13.4113.4320.0615.5415.09
Go x Go Kyoto 2023 First round 34 13.97 15.32 13.9715.3215.6015.0417.60
2x2x2 Cube
Katano Summer 2025 First round 45 5.05 6.71 6.586.2512.095.057.30
4x4x4 Cube
Katano Milky Way 2024 First round 33 40.28 51.12 48.0340.2852.5159.5452.82
Kanazawa Challenge Spring PM 2023 Final 19 49.70 53.47 1:01.5351.9349.7054.3854.10
5x5x5 Cube
Kansai Odd and BLD 2025 First round 41 1:23.05 1:28.24 1:26.271:23.051:29.131:29.561:29.32
6x6x6 Cube
Katano Spring 2026 First round 34 2:19.19 2:32.22 2:19.192:39.432:38.03
Kansai Parity Party 2025 First round 19 2:15.71 2:22.28 2:30.972:15.712:20.16
Ota Spring 2025 First round 17 2:17.19 2:29.03 2:17.192:28.012:41.88
7x7x7 Cube
Tokai Big Cubes 2025 First round 19 3:22.07 3:33.10 3:24.043:53.193:22.07
Kansai Odd and BLD 2025 Final 23 3:49.70 3:52.61 3:55.493:49.703:52.63
Tokai Spring 2025 First round 19 3:31.68 3:41.03 3:34.243:57.183:31.68
3x3x3 Blindfolded
Ota Blind Summer 2023 First round 27 1:59.85 DNF DNFDNF1:59.85
Hiroshima Spring 2023 Final 11 1:20.38 DNF 1:22.961:20.38DNF
Yoga Summer A 2022 Final 17 DNF DNF DNFDNFDNF
Ota Blind Summer 2022 Final 22 DNF DNF DNFDNFDNF
First round 22 2:08.77 DNF 2:08.77DNFDNF
3x3x3 Fewest Moves
Tokyo FMC Spring 2026 Final 3 20 22.33 242320
First round 12 24 26.67 252431
Tokyo FMC Winter 2026 Final 7 23 23.67 252323
First round 5 23 24.33 242623
FMC Asia 2025 Final 23 22 27.00 223425
3x3x3 One-Handed
Katano Spring 2026 First round 39 19.07 22.12 21.9219.0723.5326.0920.90
Otsu Biwako Winter 2026 First round 24 21.11 27.61 21.1134.5129.1226.3227.39
Shonan PM 2024 Final 22 20.54 21.35 22.3520.5420.6021.6921.76
Otsu Biwako Autumn 2023 First round 23 21.81 25.38 25.9026.6521.8123.6029.74
Clock
Otsu Biwako Spring 2026 Final 23 15.26 16.15 15.2617.2021.2915.8215.44
Megaminx
Kansai Mega Day 2025 Second round 38 1:14.56 1:25.99 1:20.181:34.891:14.561:25.581:32.20
First round 37 1:19.94 1:27.63 1:19.941:37.271:20.771:36.671:25.45
Pyraminx
Katano Summer 2025 First round 21 5.05 7.14 7.305.056.817.827.30
Skewb
Katano Summer 2025 First round 28 6.29 8.89 8.208.326.2910.7510.14
Square-1
Kansai Parity Party 2025 Final 2 6.73 8.09 8.298.516.737.469.29
Second round 2 6.72 8.76 12.476.7211.706.827.77
First round 1 7.07 8.57 8.229.687.8011.127.07
Ota Spring 2025 Final 2 6.48 9.95 13.3811.079.779.016.48
First round 1 7.44 8.61 9.017.938.907.449.42
Katano Milky Way 2024 Final 2 8.59 9.40 25.878.599.699.668.84
Otsu Biwako Autumn 2023 Final 2 9.80 10.50 10.3910.7313.189.8010.37
4x4x4 Blindfolded
Ota Blind Summer 2023 Final 16 DNF DNF DNFDNFDNF
3x3x3 Multi-Blind
Tokai Big Cubes 2025 Final 14 2/3 14:30 2/3 14:30
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