Kotaro Sumi (角浩太郎)

Name: Kotaro Sumi (角浩太郎)

Region: Japan

Competitions: 5

WCA ID:

2023SUMI03

Gender: Male

Career: 2023.09.09 - 2025.09.15

Current Personal RecordsBattle

Event	NR	CR	WR	Single	Average	WR	CR	NR	Solves/Attempts
3x3x3 Cube	1637	45032	130193	23.19	29.32	136533	47029	1711	25/25
Clock	231	5453	24988	30.44	39.95	21745	4854	214	4/5
Pyraminx	358	13522	51064	8.61	19.56	94373	25047	542	11/12
Skewb	266	10896	45451	11.83	16.24	42176	10329	263	14/15

	Sum of NR	Sum of CR	Sum of WR
Single	6615	207330	736775
Average	6107	194925	669231

Competition	Round	Place	Best	Average	Detail
3x3x3 Cube
Katano Summer 2025	First round	100	23.19	29.32	23.19 28.89 38.65 30.84 28.23
Kansai Odd and BLD 2025	First round	165	27.33	30.11	27.97 30.26 36.31 32.09 27.33
Tokai Spring 2025	First round	115	30.31	34.28	30.31 36.43 34.45 32.98 35.42
Hiroshima Winter 2024	First round	98	32.22	40.02	40.67 37.53 32.22 1:00.64 41.87
Tokai Open 2023	First round	95	38.01	42.93	38.01 44.97 44.05 39.76 45.10

Clock
Competition	Round	Place	Best	Average	Detail
Tokai Spring 2025	First round	45	30.44	39.95	DNF 30.44 32.08 38.36 49.42

Pyraminx
Competition	Round	Place	Best	Average	Detail
Katano Summer 2025	First round	54	8.61	19.67	18.87 8.61 20.24 22.73 19.90
Hiroshima Winter 2024	First round	42	31.31		DNF 31.31
Tokai Open 2023	First round	48	10.52	19.56	20.91 59.08 10.52 19.35 18.42

Skewb
Competition	Round	Place	Best	Average	Detail
Katano Summer 2025	First round	43	11.83	16.24	19.35 11.83 23.28 17.38 11.99
Tokai Spring 2025	First round	46	17.85	27.65	24.50 35.29 DNF 23.17 17.85
Hiroshima Winter 2024	First round	28	17.02	23.14	17.02 26.83 19.46 23.14 37.48

Event	Round	Place	Best	Average	Detail
Katano Summer 2025
3x3x3 Cube	First round	100	23.19	29.32	23.19 28.89 38.65 30.84 28.23
Pyraminx	First round	54	8.61	19.67	18.87 8.61 20.24 22.73 19.90
Skewb	First round	43	11.83	16.24	19.35 11.83 23.28 17.38 11.99

Kansai Odd and BLD 2025
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	165	27.33	30.11	27.97 30.26 36.31 32.09 27.33

Tokai Spring 2025
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	115	30.31	34.28	30.31 36.43 34.45 32.98 35.42
Clock	First round	45	30.44	39.95	DNF 30.44 32.08 38.36 49.42
Skewb	First round	46	17.85	27.65	24.50 35.29 DNF 23.17 17.85

Hiroshima Winter 2024
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	98	32.22	40.02	40.67 37.53 32.22 1:00.64 41.87
Pyraminx	First round	42	31.31		DNF 31.31
Skewb	First round	28	17.02	23.14	17.02 26.83 19.46 23.14 37.48

Tokai Open 2023
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	95	38.01	42.93	38.01 44.97 44.05 39.76 45.10
Pyraminx	First round	48	10.52	19.56	20.91 59.08 10.52 19.35 18.42

No.	Date	Name	Region	City
5	2025-09-15	Katano Summer 2025	Japan	Katano, Osaka
4	2025-06-15	Kansai Odd and BLD 2025	Japan	Daito, Osaka
3	2025-04-12	Tokai Spring 2025	Japan	Tokai, Aichi
2	2024-02-10	Hiroshima Winter 2024	Japan	Fukuyama, Hiroshima
1	2023-09-09	Tokai Open 2023	Japan	Tokai, Aichi