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 364 8943 24320 10.60 11.49 15338 5781 237
2x2x2 Cube 479 20756 70487 5.05 6.71 61329 18637 456
4x4x4 Cube 113 3371 9579 40.28 51.12 13749 4901 166
5x5x5 Cube 126 2724 8138 1:23.05 1:28.24 7018 2403 113
6x6x6 Cube 50 965 2857 2:15.71 2:22.28 2579 878 46
7x7x7 Cube 43 757 2156 3:22.07 3:33.10 2109 749 41
3x3x3 Blindfolded 83 719 2216 1:20.38
3x3x3 Fewest Moves 12 56 230 22 23.67 133 39 11
3x3x3 One-Handed 163 5653 15201 20.54 21.35 8882 3411 113
Megaminx 108 1649 5943 1:14.56 1:25.99 6269 1730 114
Pyraminx 146 4404 16317 5.05 7.14 12020 3512 134
Skewb 132 4965 19368 6.29 8.89 15756 4326 130
Square-1 3 52 260 6.48 8.09 148 31 3
3x3x3 Multi-Blind 104 846 3286 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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