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Yasunari Kumekawa (粂川泰成)

Yasunari Kumekawa (粂川泰成)
Name: Yasunari Kumekawa (粂川泰成)
Region: Japan
Competitions: 20
WCA ID: Yasunari Kumekawa (粂川泰成)2022KUME01
Gender: Male
Career: 2022.07.30 - 2026.03.22
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube36990352459210.6011.4915529586124160/60
2x2x2 Cube48020880710665.056.7161801187414575/5
4x4x4 Cube1213426972440.2851.1213943495918110/10
5x5x5 Cube129277982761:23.051:28.24713924571165/5
6x6x6 Cube5198129022:15.712:22.282632901499/9
7x7x7 Cube4377822133:22.073:33.102162770419/9
3x3x3 Blindfolded8372622431:20.384/15
3x3x3 Fewest Moves12582342223.6713540119/9
3x3x3 One-Handed14146071248719.0721.358958343911520/20
Megaminx108165860131:14.561:25.996340174611510/10
Pyraminx1494439164875.057.141212435391375/5
Skewb1395007195546.298.891591643581335/5
Square-13552636.488.09154353435/35
3x3x3 Multi-Blind10685533222/3 14:301/1

Sum of Ranks

 Sum of NRSum of CRSum of WR
Single230862402212241
Average194553195174095

Overall Medal Collection

GoldSilverBronze
4
3x3x3 Cube
CompetitionRoundPlaceBestAverageDetail
Katano Spring 2026First round62 11.58 13.11
11.58     12.64     12.36     14.32     17.34
Otsu Biwako Winter 2026First round31 10.85 14.09
14.88     15.22     10.85     15.85     12.18
Kansai Mega Day 2025Second round46 11.78 13.53
12.38     11.78     15.21     17.10     12.99
First round34 11.26 12.48
11.26     13.12     13.31     12.74     11.58
Kansai Odd and BLD 2025Second round68 11.69 12.80
12.98     12.52     11.69     14.42     12.91
First round56 10.60 11.49
11.77     10.60     11.31     11.72     11.43
Tokai Spring 2025First round58 13.38 13.87
14.57     13.38     13.85     13.46     14.31
Shonan PM 2024Final33 11.34 12.96
11.46     14.21     15.44     11.34     13.20
Otsu Biwako Autumn 2023First round44 12.00 16.51
17.65     12.00     17.44     17.19     14.91
Kanazawa PM 2023Final26 10.92 14.93
14.23     14.45     16.45     16.10     10.92
Hiroshima Spring 2023First round45 13.41 14.69
13.41     13.43     20.06     15.54     15.09
Go x Go Kyoto 2023First round34 13.97 15.32
13.97     15.32     15.60     15.04     17.60
 
2x2x2 Cube
CompetitionRoundPlaceBestAverageDetail
Katano Summer 2025First round45 5.05 6.71
6.58      6.25      12.09     5.05      7.30
 
4x4x4 Cube
CompetitionRoundPlaceBestAverageDetail
Katano Milky Way 2024First round33 40.28 51.12
48.03     40.28     52.51     59.54     52.82
Kanazawa PM 2023Final19 49.70 53.47
1:01.53   51.93     49.70     54.38     54.10
 
5x5x5 Cube
CompetitionRoundPlaceBestAverageDetail
Kansai Odd and BLD 2025First round41 1:23.05 1:28.24
1:26.27   1:23.05   1:29.13   1:29.56   1:29.32
 
6x6x6 Cube
CompetitionRoundPlaceBestAverageDetail
Katano Spring 2026First round34 2:19.19 2:32.22
2:19.19   2:39.43   2:38.03
Kansai Parity Party 2025First round19 2:15.71 2:22.28
2:30.97   2:15.71   2:20.16
Ota Spring 2025First round17 2:17.19 2:29.03
2:17.19   2:28.01   2:41.88
 
7x7x7 Cube
CompetitionRoundPlaceBestAverageDetail
Tokai Big Cubes 2025First round19 3:22.07 3:33.10
3:24.04   3:53.19   3:22.07
Kansai Odd and BLD 2025Final23 3:49.70 3:52.61
3:55.49   3:49.70   3:52.63
Tokai Spring 2025First round19 3:31.68 3:41.03
3:34.24   3:57.18   3:31.68
 
3x3x3 Blindfolded
CompetitionRoundPlaceBestAverageDetail
Ota Blind Summer 2023First round27 1:59.85 DNF
DNF       DNF       1:59.85
Hiroshima Spring 2023Final11 1:20.38 DNF
1:22.96   1:20.38   DNF
Yoga Summer A 2022Final17 DNF DNF
DNF       DNF       DNF
Ota Blind Summer 2022Final22 DNF DNF
DNF       DNF       DNF
First round22 2:08.77 DNF
2:08.77   DNF       DNF
 
3x3x3 Fewest Moves
CompetitionRoundPlaceBestAverageDetail
Tokyo FMC Winter 2026Final7 23 23.67
25        23        23
First round5 23 24.33
24        26        23
FMC Asia 2025Final23 22 27.00
22        34        25
 
3x3x3 One-Handed
CompetitionRoundPlaceBestAverageDetail
Katano Spring 2026First round39 19.07 22.12
21.92     19.07     23.53     26.09     20.90
Otsu Biwako Winter 2026First round24 21.11 27.61
21.11     34.51     29.12     26.32     27.39
Shonan PM 2024Final22 20.54 21.35
22.35     20.54     20.60     21.69     21.76
Otsu Biwako Autumn 2023First round23 21.81 25.38
25.90     26.65     21.81     23.60     29.74
 
Megaminx
CompetitionRoundPlaceBestAverageDetail
Kansai Mega Day 2025Second round38 1:14.56 1:25.99
1:20.18   1:34.89   1:14.56   1:25.58   1:32.20
First round37 1:19.94 1:27.63
1:19.94   1:37.27   1:20.77   1:36.67   1:25.45
 
Pyraminx
CompetitionRoundPlaceBestAverageDetail
Katano Summer 2025First round21 5.05 7.14
7.30      5.05      6.81      7.82      7.30
 
Skewb
CompetitionRoundPlaceBestAverageDetail
Katano Summer 2025First round28 6.29 8.89
8.20      8.32      6.29      10.75     10.14
 
Square-1
CompetitionRoundPlaceBestAverageDetail
Kansai Parity Party 2025Final2 6.73 8.09
8.29      8.51      6.73      7.46      9.29
Second round2 6.72 8.76
12.47     6.72      11.70     6.82      7.77
First round1 7.07 8.57
8.22      9.68      7.80      11.12     7.07
Ota Spring 2025Final2 6.48 9.95
13.38     11.07     9.77      9.01      6.48
First round1 7.44 8.61
9.01      7.93      8.90      7.44      9.42
Katano Milky Way 2024Final2 8.59 9.40
25.87     8.59      9.69      9.66      8.84
Otsu Biwako Autumn 2023Final2 9.80 10.50
10.39     10.73     13.18     9.80      10.37
 
4x4x4 Blindfolded
CompetitionRoundPlaceBestAverageDetail
Ota Blind Summer 2023Final16 DNF DNF
DNF       DNF       DNF
 
3x3x3 Multi-Blind
CompetitionRoundPlaceBestAverageDetail
Tokai Big Cubes 2025Final14 2/3 14:30 
2/3 14:30
Katano Spring 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round62 11.58 13.11
11.58     12.64     12.36     14.32     17.34
6x6x6 CubeFirst round34 2:19.19 2:32.22
2:19.19   2:39.43   2:38.03
3x3x3 One-HandedFirst round39 19.07 22.12
21.92     19.07     23.53     26.09     20.90
 
Otsu Biwako Winter 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round31 10.85 14.09
14.88     15.22     10.85     15.85     12.18
3x3x3 One-HandedFirst round24 21.11 27.61
21.11     34.51     29.12     26.32     27.39
 
Tokyo FMC Winter 2026
EventRoundPlaceBestAverageDetail
3x3x3 Fewest MovesFinal7 23 23.67
25        23        23
First round5 23 24.33
24        26        23
 
Tokai Big Cubes 2025
EventRoundPlaceBestAverageDetail
7x7x7 CubeFirst round19 3:22.07 3:33.10
3:24.04   3:53.19   3:22.07
3x3x3 Multi-BlindFinal14 2/3 14:30 
2/3 14:30
 
Kansai Mega Day 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round46 11.78 13.53
12.38     11.78     15.21     17.10     12.99
First round34 11.26 12.48
11.26     13.12     13.31     12.74     11.58
MegaminxSecond round38 1:14.56 1:25.99
1:20.18   1:34.89   1:14.56   1:25.58   1:32.20
First round37 1:19.94 1:27.63
1:19.94   1:37.27   1:20.77   1:36.67   1:25.45
 
Katano Summer 2025
EventRoundPlaceBestAverageDetail
2x2x2 CubeFirst round45 5.05 6.71
6.58      6.25      12.09     5.05      7.30
PyraminxFirst round21 5.05 7.14
7.30      5.05      6.81      7.82      7.30
SkewbFirst round28 6.29 8.89
8.20      8.32      6.29      10.75     10.14
 
Kansai Parity Party 2025
EventRoundPlaceBestAverageDetail
6x6x6 CubeFirst round19 2:15.71 2:22.28
2:30.97   2:15.71   2:20.16
Square-1Final2 6.73 8.09
8.29      8.51      6.73      7.46      9.29
Second round2 6.72 8.76
12.47     6.72      11.70     6.82      7.77
First round1 7.07 8.57
8.22      9.68      7.80      11.12     7.07
 
FMC Asia 2025
EventRoundPlaceBestAverageDetail
3x3x3 Fewest MovesFinal23 22 27.00
22        34        25
 
Kansai Odd and BLD 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round68 11.69 12.80
12.98     12.52     11.69     14.42     12.91
First round56 10.60 11.49
11.77     10.60     11.31     11.72     11.43
5x5x5 CubeFirst round41 1:23.05 1:28.24
1:26.27   1:23.05   1:29.13   1:29.56   1:29.32
7x7x7 CubeFinal23 3:49.70 3:52.61
3:55.49   3:49.70   3:52.63
 
Tokai Spring 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round58 13.38 13.87
14.57     13.38     13.85     13.46     14.31
7x7x7 CubeFirst round19 3:31.68 3:41.03
3:34.24   3:57.18   3:31.68
 
Ota Spring 2025
EventRoundPlaceBestAverageDetail
6x6x6 CubeFirst round17 2:17.19 2:29.03
2:17.19   2:28.01   2:41.88
Square-1Final2 6.48 9.95
13.38     11.07     9.77      9.01      6.48
First round1 7.44 8.61
9.01      7.93      8.90      7.44      9.42
 
Shonan PM 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal33 11.34 12.96
11.46     14.21     15.44     11.34     13.20
3x3x3 One-HandedFinal22 20.54 21.35
22.35     20.54     20.60     21.69     21.76
 
Katano Milky Way 2024
EventRoundPlaceBestAverageDetail
4x4x4 CubeFirst round33 40.28 51.12
48.03     40.28     52.51     59.54     52.82
Square-1Final2 8.59 9.40
25.87     8.59      9.69      9.66      8.84
 
Otsu Biwako Autumn 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round44 12.00 16.51
17.65     12.00     17.44     17.19     14.91
3x3x3 One-HandedFirst round23 21.81 25.38
25.90     26.65     21.81     23.60     29.74
Square-1Final2 9.80 10.50
10.39     10.73     13.18     9.80      10.37
 
Ota Blind Summer 2023
EventRoundPlaceBestAverageDetail
3x3x3 BlindfoldedFirst round27 1:59.85 DNF
DNF       DNF       1:59.85
4x4x4 BlindfoldedFinal16 DNF DNF
DNF       DNF       DNF
 
Kanazawa PM 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal26 10.92 14.93
14.23     14.45     16.45     16.10     10.92
4x4x4 CubeFinal19 49.70 53.47
1:01.53   51.93     49.70     54.38     54.10
 
Hiroshima Spring 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round45 13.41 14.69
13.41     13.43     20.06     15.54     15.09
3x3x3 BlindfoldedFinal11 1:20.38 DNF
1:22.96   1:20.38   DNF
 
Go x Go Kyoto 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round34 13.97 15.32
13.97     15.32     15.60     15.04     17.60
 
Yoga Summer A 2022
EventRoundPlaceBestAverageDetail
3x3x3 BlindfoldedFinal17 DNF DNF
DNF       DNF       DNF
 
Ota Blind Summer 2022
EventRoundPlaceBestAverageDetail
3x3x3 BlindfoldedFinal22 DNF DNF
DNF       DNF       DNF
First round22 2:08.77 DNF
2:08.77   DNF       DNF
No.DateNameRegionCity
202026-03-21~22Katano Spring 2026JapanKatano, Osaka
192026-02-01Otsu Biwako Winter 2026JapanOtsu, Shiga
182026-01-17Tokyo FMC Winter 2026JapanOta, Tokyo
172025-12-14Tokai Big Cubes 2025JapanKariya, Aichi
162025-11-02Kansai Mega Day 2025JapanDaito, Osaka
152025-09-15Katano Summer 2025JapanKatano, Osaka
142025-08-24Kansai Parity Party 2025JapanDaito, Osaka
132025-07-27FMC Asia 2025Multiple Countries (World)Multiple Cities
122025-06-15Kansai Odd and BLD 2025JapanDaito, Osaka
112025-04-12Tokai Spring 2025JapanTokai, Aichi
102025-03-20Ota Spring 2025JapanOta, Tokyo
92024-12-07Shonan PM 2024JapanFujisawa, Kanagawa
82024-07-07Katano Milky Way 2024JapanKatano, Osaka
72023-09-23Otsu Biwako Autumn 2023JapanOtsu, Shiga
62023-07-08Ota Blind Summer 2023JapanOta, Tokyo
52023-05-27Kanazawa PM 2023JapanKanazawa, Ishikawa
42023-03-25Hiroshima Spring 2023JapanFukuyama, Hiroshima
32023-02-12Go x Go Kyoto 2023JapanKyoto, Kyoto
22022-08-21Yoga Summer A 2022JapanYoga, Tokyo
12022-07-30Ota Blind Summer 2022JapanOta, Tokyo