Yasunari Kumekawa (粂川泰成)

Region WCA ID Gender Competitions Completed Solves
Japan 2022KUME01 Male 19 174

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 365 9014 24552 10.60 11.49 15498 5842 239
2x2x2 Cube 480 20859 70976 5.05 6.71 61739 18727 457
4x4x4 Cube 118 3417 9699 40.28 51.12 13905 4946 173
5x5x5 Cube 126 2769 8253 1:23.05 1:28.24 7120 2447 113
6x6x6 Cube 50 980 2899 2:15.71 2:22.28 2626 896 46
7x7x7 Cube 43 776 2204 3:22.07 3:33.10 2155 768 41
3x3x3 Blindfolded 83 725 2239 1:20.38
3x3x3 Fewest Moves 12 57 233 22 23.67 135 40 11
3x3x3 One-Handed 164 5681 15297 20.54 21.35 8943 3430 113
Megaminx 108 1658 6004 1:14.56 1:25.99 6335 1746 115
Pyraminx 146 4434 16467 5.05 7.14 12107 3534 134
Skewb 139 5006 19539 6.29 8.89 15900 4358 133
Square-1 3 55 263 6.48 8.09 154 35 3
3x3x3 Multi-Blind 106 855 3321 2/3 14:30

Medal Collection

Gold Silver Bronze
0 4 0
Competition Round Place Single Average Solves
3x3x3 Cube
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
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 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
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
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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