Yuma Yamaki (八巻悠真)

Name: Yuma Yamaki (八巻悠真)

Region: Japan

Competitions: 5

WCA ID:

2025YAMA03

Gender: Male

Career: 2025.05.31 - 2026.01.25

Current Personal RecordsBattle

Event	NR	CR	WR	Single	Average	WR	CR	NR	Solves/Attempts
3x3x3 Cube	101	2461	7025	7.89	12.37	21807	8341	342	25/25
2x2x2 Cube	273	11174	39752	3.64	4.78	25559	7576	193	10/10
3x3x3 One-Handed	194	6601	17743	21.61	27.19	18495	7106	209	10/10
Clock	122	2580	10814	12.08	13.95	9936	2364	106	5/5
Pyraminx	150	4232	15619	4.89	7.61	14807	4285	159	15/15

	Sum of NR	Sum of CR	Sum of WR
Single	3881	104941	404157
Average	3368	87012	308904

Competition	Round	Place	Best	Average	Detail
Ota Winter 2026	First round	45	7.89	12.37	11.91 12.72 7.89 12.47 14.22
Tokyo Winter 2025	First round	50	12.15	13.70	12.31 13.76 15.54 12.15 15.02
Kanto Summer AM 2025	First round	27	11.21	12.69	12.36 11.21 17.72 11.31 14.40
Tokyo Summer 2025	First round	44	9.98	12.47	13.19 12.57 11.65 9.98 15.13
Kanto Spring 2025	First round	61	11.30	13.63	14.65 15.38 14.42 11.30 11.81

Competition	Round	Place	Best	Average	Detail
Tokyo Winter 2025	First round	33	3.64	4.78	4.63 6.47 3.64 4.58 5.14
Kanto Summer AM 2025	First round	29	3.86	5.75	3.86 5.40 8.68 7.73 4.13

Competition	Round	Place	Best	Average	Detail
Ota Winter 2026	First round	38	23.71	27.19	23.71 39.62 29.24 24.20 28.12
Tokyo Summer 2025	First round	43	21.61	28.24	25.69 29.19 21.61 29.84 35.62

Competition	Round	Place	Best	Average	Detail
Ota Winter 2026	First round	32	12.08	13.95	14.84 12.08 15.26 14.23 12.78

Competition	Round	Place	Best	Average	Detail
Tokyo Summer 2025	First round	29	4.89	7.61	6.24 9.56 7.20 4.89 9.40
Kanto Spring 2025	Final	26	7.22	10.04	11.07 11.20 7.85 7.22 12.40
	First round	30	6.32	8.20	10.86 10.35 7.21 6.32 7.03

Event	Round	Place	Best	Average	Detail
Ota Winter 2026
3x3x3 Cube	First round	45	7.89	12.37	11.91 12.72 7.89 12.47 14.22
3x3x3 One-Handed	First round	38	23.71	27.19	23.71 39.62 29.24 24.20 28.12
Clock	First round	32	12.08	13.95	14.84 12.08 15.26 14.23 12.78

Tokyo Winter 2025
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	50	12.15	13.70	12.31 13.76 15.54 12.15 15.02
2x2x2 Cube	First round	33	3.64	4.78	4.63 6.47 3.64 4.58 5.14

Kanto Summer AM 2025
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	27	11.21	12.69	12.36 11.21 17.72 11.31 14.40
2x2x2 Cube	First round	29	3.86	5.75	3.86 5.40 8.68 7.73 4.13

Tokyo Summer 2025
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	44	9.98	12.47	13.19 12.57 11.65 9.98 15.13
3x3x3 One-Handed	First round	43	21.61	28.24	25.69 29.19 21.61 29.84 35.62
Pyraminx	First round	29	4.89	7.61	6.24 9.56 7.20 4.89 9.40

Kanto Spring 2025
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	61	11.30	13.63	14.65 15.38 14.42 11.30 11.81
Pyraminx	Final	26	7.22	10.04	11.07 11.20 7.85 7.22 12.40
	First round	30	6.32	8.20	10.86 10.35 7.21 6.32 7.03

No.	Date	Name	Region	City
5	2026-01-25	Ota Winter 2026	Japan	Ota, Tokyo
4	2025-12-07	Tokyo Winter 2025	Japan	Ota, Tokyo
3	2025-08-30	Kanto Summer AM 2025	Japan	Ota, Tokyo
2	2025-07-21	Tokyo Summer 2025	Japan	Ota, Tokyo
1	2025-05-31	Kanto Spring 2025	Japan	Ota, Tokyo