Kazuya Ishii (石井一也)

Name: Kazuya Ishii (石井一也)

Region: Japan

Competitions: 7

WCA ID:

2019ISHI07

Gender: Male

Career: 2019.11.02 - 2025.12.06

Current Personal RecordsBattle

Event	NR	CR	WR	Single	Average	WR	CR	NR	Silver	Bronze	Solves/Attempts
3x3x3 Cube	98	2239	6560	7.89	8.29	2169	765	38	1		24/25
2x2x2 Cube	288	12133	42810	3.86	5.60	39236	11911	294			5/5
4x4x4 Cube	115	3374	9596	40.57	43.50	7086	2513	86			10/10
3x3x3 Fewest Moves	11	50	216	22	24.00	137	40	11		1	12/12
3x3x3 One-Handed	42	912	2720	12.80	18.87	5563	2097	77			10/10

	Sum of NR	NR	Sum of CR	CR	Sum of WR	WR
Single	3482	190	108694	7792	421859	31614
Average	2864	180	92003	7571	345157	30120

Gold	Silver	Bronze
	1	1

Competition	Round	Place	Best	Average	Detail
3x3x3 Cube
Tokai Open AM 2024	Final	5	7.89	8.29	10.75 8.17 8.07 8.64 7.89
Kanazawa PM 2023	Final	2	8.67	9.06	8.90 9.42 8.67 9.70 8.86
Kanazawa Open 2020	First round	9	8.28	11.76	11.45 12.42 12.01 8.28 11.82
Japan Championship 2019	Second round	69	10.76	13.02	13.04 11.80 10.76 14.23 DNF
	First round	67	11.35	12.94	13.11 11.35 14.10 12.69 13.01

2x2x2 Cube
Competition	Round	Place	Best	Average	Detail
Kanazawa Open 2020	First round	10	3.86	5.60	4.69 6.11 5.99 7.82 3.86

4x4x4 Cube
Competition	Round	Place	Best	Average	Detail
Kanazawa PM 2023	Final	12	40.57	43.50	40.57 44.26 42.02 50.76 44.22
Kanazawa Open 2020	First round	9	47.40	49.84	48.92 55.35 51.79 47.40 48.82

3x3x3 Fewest Moves
Competition	Round	Place	Best	Average	Detail
Otsu FMC Winter 2025	Final	7	24	25.33	27 24 25
	First round	7	22	24.00	25 25 22
FMC Asia 2025	Final	11	23	24.67	27 24 23
Ayase FMC 2023	Final	3	23	25.67	23 28 26

3x3x3 One-Handed
Competition	Round	Place	Best	Average	Detail
Tokai Open AM 2024	First round	20	12.80	21.97	30.06 26.71 14.19 25.00 12.80
Kanazawa Open 2020	Final	5	17.34	18.87	17.34 23.48 17.88 18.02 20.71

Event	Round	Place	Best	Average	Detail
Otsu FMC Winter 2025
3x3x3 Fewest Moves	Final	7	24	25.33	27 24 25
	First round	7	22	24.00	25 25 22

FMC Asia 2025
Event	Round	Place	Best	Average	Detail
3x3x3 Fewest Moves	Final	11	23	24.67	27 24 23

Tokai Open AM 2024
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	Final	5	7.89	8.29	10.75 8.17 8.07 8.64 7.89
3x3x3 One-Handed	First round	20	12.80	21.97	30.06 26.71 14.19 25.00 12.80

Ayase FMC 2023
Event	Round	Place	Best	Average	Detail
3x3x3 Fewest Moves	Final	3	23	25.67	23 28 26

Kanazawa PM 2023
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	Final	2	8.67	9.06	8.90 9.42 8.67 9.70 8.86
4x4x4 Cube	Final	12	40.57	43.50	40.57 44.26 42.02 50.76 44.22

Kanazawa Open 2020
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	First round	9	8.28	11.76	11.45 12.42 12.01 8.28 11.82
2x2x2 Cube	First round	10	3.86	5.60	4.69 6.11 5.99 7.82 3.86
4x4x4 Cube	First round	9	47.40	49.84	48.92 55.35 51.79 47.40 48.82
3x3x3 One-Handed	Final	5	17.34	18.87	17.34 23.48 17.88 18.02 20.71

Japan Championship 2019
Event	Round	Place	Best	Average	Detail
3x3x3 Cube	Second round	69	10.76	13.02	13.04 11.80 10.76 14.23 DNF
	First round	67	11.35	12.94	13.11 11.35 14.10 12.69 13.01

No.	Date	Name	Region	City
7	2025-12-06	Otsu FMC Winter 2025	Japan	Otsu, Shiga
6	2025-07-27	FMC Asia 2025	Multiple Countries (World)	Multiple Cities
5	2024-09-15	Tokai Open AM 2024	Japan	Kariya, Aichi
4	2023-11-26	Ayase FMC 2023	Japan	Adachi, Tokyo
3	2023-05-27	Kanazawa PM 2023	Japan	Kanazawa, Ishikawa
2	2020-02-23	Kanazawa Open 2020	Japan	Kanazawa, Ishikawa
1	2019-11-02~04	Japan Championship 2019	Japan	Omiya, Saitama