Choi Hyo-Jin (최효진)

Region	WCA ID	Gender	Competitions	Completed Solves
Republic of Korea	2017HYOJ01	Female	34	761

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	78	1289	3825	7.17	9.06	4063	1479	84
2x2x2 Cube	167	2844	11494	2.27	3.76	10190	2825	193
4x4x4 Cube	143	2124	6074	36.48	42.68	6459	2285	159
5x5x5 Cube	48	575	1683	58.72	1:05.72	1713	592	45
6x6x6 Cube	29	349	996	1:49.78	1:54.28	822	288	24
7x7x7 Cube	27	341	926	2:50.69	3:04.48	1029	373	28
3x3x3 Blindfolded	62	958	2901	1:39.74
3x3x3 Fewest Moves	38	560	2282	32	35.33	1473	361	26
3x3x3 One-Handed	50	974	2889	12.96	16.91	3389	1246	69
Clock	47	562	2416	6.35	7.20	1870	424	33
Megaminx	8	53	206	35.30	38.48	148	41	7
Pyraminx	53	1052	4020	2.94	3.73	1750	482	27
Skewb	48	737	3143	2.96	5.18	3287	862	58
Square-1	37	507	2373	12.18	15.94	2076	477	34
4x4x4 Blindfolded	42	487	1857	21:53.00
3x3x3 Multi-Blind	69	1025	3859	2/4 22:04

Medal Collection

Gold	Silver	Bronze
5	6	4

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Rubik's WCA World Championship 2025	Second round	386	8.46	9.06	9.00	9.16	9.02	10.87	8.46
	First round	544	8.16	9.60	10.90	8.77	13.10	9.12	8.16
Tokyo Open PM Winter 2025	First round	10	9.84	10.50	12.30	9.84	10.43	10.29	10.77
Happy Suseong 2025	Second round	21	8.80	9.41	10.96	9.35	9.00	9.88	8.80
	First round	29	9.14	10.18	10.94	9.14	9.58	10.61	10.35
Hamchang Winter 2024	Second round	21	7.82	10.35	7.82	12.44	9.82	8.79	14.25
	First round	15	8.10	9.40	8.81	9.32	8.10	10.06	12.71
Philippine Championship 2024	Semi Final	35	8.93	10.08	12.19	9.82	10.63	8.93	9.80
	Second round	32	8.97	9.44	9.16	10.08	8.97	9.56	9.59
	First round	57	8.73	11.24	9.57	12.04	13.88	12.12	8.73
Busan Spring 2024	Second round	17	9.00	9.42	9.00	9.66	10.57	9.30	9.30
	First round	31	10.08	11.31	10.44	12.69	12.88	10.80	10.08
Anyang Haseyo 2024	First round	20	8.73	9.98	8.73	10.54	9.05	10.81	10.36
Daegu Cold Winter 2024	Second round	17	7.77	9.83	7.77	10.55	9.19	9.74	11.70
	First round	16	8.81	9.94	8.81	11.64	10.21	8.98	10.64
Seoul Open 2024	Second round	13	8.28	9.62	11.09	11.03	8.28	8.41	9.41
	First round	12	9.17	9.64	11.43	9.17	9.29	9.57	10.06
ByeolLae Open 2020	First round	12	9.02	10.73	12.28	10.02	11.53	9.02	10.63
Cubing Korea 2019	Second round	31	9.55	12.20	9.55	11.40	12.57	12.63	13.14
	First round	26	7.17	11.45	12.91	9.95	7.17	16.13	11.50
Daegu Autumn Open 2019	First round	9	10.50	10.68	10.58	10.86	10.61	13.27	10.50
Korean Championship 2019	Second round	37	10.35	12.01	10.35	10.69	13.49	16.14	11.86
	First round	41	10.22	12.33	10.22	12.51	13.67	10.81	15.66
Cube Camp in Wonju 2019	First round	19	10.92	12.13	12.40	11.12	12.87	10.92	13.54
Cubing Operating System Summer 2019	First round	12	9.68	11.14	13.06	11.68	10.79	10.94	9.68
Play Cube X4 2019	Second round	14	8.11	11.44	8.11	11.60	10.25	12.47	15.00
	First round	14	10.58	11.58	11.59	10.58	10.74	18.72	12.40
Cutory Blossom 2019	First round	24	10.82	12.80	12.74	13.48	10.82	12.39	13.27
Seoul Winter 2019	Second round	26	10.14	12.51	11.49	15.23	13.08	12.96	10.14
	First round	15	9.90	10.85	9.90	10.47	11.09	11.00	13.55
Korea Winter 2019	First round	24	10.17	11.70	11.81	12.64	13.39	10.17	10.65
CWR Fall 2018	Final	9	11.36	12.71	14.26	12.04	11.36	14.40	11.83
	First round	10	10.32	11.51	12.13	11.46	10.95	10.32	13.46
Korean Championship 2018	Second round	54	13.06	14.16	13.06	13.73	15.46	13.86	14.88
	First round	41	11.03	12.60	13.39	11.03	11.96	12.58	13.27
Play Cube 2018	First round	43	13.21	14.86	14.31	15.15	15.12	13.21	18.45
CWR Winter 2018	First round	28	11.31	13.50	15.03	12.93	13.65	13.92	11.31
Cubedu Korea 2018	Second round	34	12.35	12.96	13.05	12.35	16.93	12.41	13.41
	First round	37	11.72	13.52	12.87	16.05	13.09	14.59	11.72
CWR Fall 2017	First round	42	12.98	14.98	17.62	14.66	15.71	12.98	14.56
Korean Championship 2017	First round	60	13.34	14.73	16.26	13.87	13.34	19.37	14.06
Korean Spring Picnic 2017	First round	23	13.98	16.41	16.19	13.98	17.00	16.54	16.49
2x2x2 Cube
ByeolLae Open 2020	Final	12	2.54	4.46	3.65	4.91	2.54	6.09	4.81
Daegu Autumn Open 2019	Final	7	2.27	3.76	3.69	2.27	4.68	3.99	3.60
Korean Championship 2019	Second round	34	3.96	4.80	4.10	5.25	3.96	5.05	5.62
	First round	32	3.82	4.70	3.82	4.39	5.72	4.81	4.89
Cube Camp in Wonju 2019	Final	8	3.35	3.88	3.35	4.04	3.85	3.75	DNF
Play Cube X4 2019	Second round	13	3.63	4.42	4.64	3.63	4.21	4.40	5.17
	First round	11	3.41	3.79	4.50	4.29	3.53	3.41	3.55
Seoul Winter 2019	First round	13	2.95	3.79	3.15	2.95	3.23	4.98	5.17
CWR Winter 2018	Final	29	3.53	5.32	5.82	5.40	3.53	4.74	6.39
4x4x4 Cube
Seoul Summer 2022	Final	24	40.60	44.37	44.04	43.90	46.14	45.18	40.60
Cubing Korea 2019	Final	26	36.48	48.77	50.15	36.48	55.52	43.67	52.49
Daegu Autumn Open 2019	Final	14	45.86	50.14	45.86	52.89	48.23	1:01.59	49.30
Korean Championship 2019	First round	34	40.69	48.62	40.69	48.20	52.37	59.52	45.29
Cube Camp in Wonju 2019	Final	12	37.92	42.68	54.28	42.47	45.31	37.92	40.26
Play Cube X4 2019	Final	18	43.14	52.09	53.97	43.14	52.20	50.61	53.47
Seoul Winter 2019	Final	22	42.03	47.77	49.14	48.96	42.03	1:04.42	45.20
Korea Winter 2019	Final	24	46.03	46.77	47.13	54.13	46.60	46.59	46.03
CWR Fall 2018	Final	10	49.35	51.27	51.91	49.93	51.97	53.21	49.35
Cubedu Korea 2018	Final	53	58.15	1:06.55	1:11.34	58.15	1:05.42	1:10.01	1:04.23
CWR Fall 2017	Final	51	1:02.49	1:07.01	1:03.18	1:12.13	1:08.88	1:02.49	1:08.96
5x5x5 Cube
Rubik's WCA World Championship 2025	First round	295	58.72	1:06.45	1:11.84	1:04.74	1:11.70	58.72	1:02.92
Happy Suseong 2025	Second round	18	1:02.23	1:05.72	1:15.74	1:05.21	1:02.23	1:07.43	1:04.51
	First round	19	1:03.36	1:06.62	1:03.36	1:13.40	1:06.49	1:05.14	1:08.24
Hamchang Winter 2024	First round	23	1:10.81	1:13.14	1:15.26	1:11.23	1:10.81	1:13.80	1:14.40
Philippine Championship 2024	First round	30	1:09.33	1:12.32	1:09.33	1:14.50	1:14.74	1:12.83	1:09.63
Korean Championship 2023	First round	14	1:05.73	1:11.57	1:09.89	1:11.99	1:05.73	1:16.06	1:12.83
Cubing Korea 2019	Final	17	1:16.69	1:25.76	1:26.37	1:36.28	1:21.74	1:16.69	1:29.17
Korean Championship 2019	First round	22	1:23.02	1:25.86	1:31.93	1:30.17	1:23.43	1:23.98	1:23.02
Seoul Winter 2019	Final	17	1:09.12	1:28.78	1:25.10	1:29.21	1:09.12	1:32.04	1:35.90
Play Cube 2018	Final	26	1:40.02	1:54.42	1:40.02	1:52.91	2:01.52	1:48.83	2:21.97
6x6x6 Cube
Rubik's WCA World Championship 2025	First round	252	2:02.24	2:07.21	2:02.24	2:05.79	2:13.60
Hamchang Winter 2024	First round	13	1:57.29	2:08.28	1:57.29	2:09.64	2:17.92
Philippine Championship 2024	First round	15	1:49.78	1:54.28	1:52.49	1:49.78	2:00.58
Busan Spring 2024	First round	58	DNF		DNF
Korean Championship 2023	Final	10	2:07.43	2:14.05	2:26.10	2:08.61	2:07.43
ByeolLae Open 2020	Final	7	2:25.26	2:28.78	2:32.02	2:29.07	2:25.26
Korean Championship 2019	Final	19	2:51.42	2:58.29	2:51.42	3:09.09	2:54.35
Seoul Winter 2019	Final	17	2:58.24	3:00.12	2:58.24	2:58.83	3:03.29
Korean Championship 2018	Final	20	3:19.42	3:20.38	3:19.42	3:22.21	3:19.50
7x7x7 Cube
Rubik's WCA World Championship 2025	First round	159	2:50.69	3:04.48	3:18.67	2:50.69	3:04.09
Philippine Championship 2024	First round	16	2:59.94	3:07.21	3:13.52	3:08.18	2:59.94
Daegu Cold Winter 2024	First round	16	2:59.61	3:08.58	3:08.92	3:17.21	2:59.61
Daegu Autumn Open 2019	Final	6	3:48.99	3:54.70	4:03.18	3:48.99	3:51.93
Korean Championship 2019	Final	13	3:52.85	3:57.75	3:52.85	4:06.98	3:53.42
Cubing Operating System Summer 2019	Final	9	4:27.92	4:33.87	4:35.93	4:37.77	4:27.92
3x3x3 Blindfolded
Cubing Korea 2019	Final	8	1:39.74	DNF	1:39.74	DNF	DNF
Cube Camp in Wonju 2019	Final	20	DNF	DNF	DNF	DNF	DNF
Play Cube X4 2019	First round	9	1:50.60	DNF	1:50.60	2:22.43	DNF
Cutory Blossom 2019	Final	24	DNF	DNF	DNF	DNF	DNF
Korea Winter 2019	Final	22	DNF	DNF	DNF	DNF	DNF
Korean Championship 2018	First round	17	3:04.81	DNF	DNF	3:04.81	3:16.99
Play Cube 2018	Final	17	DNF	DNF	DNF	DNF	DNF
Cubedu Korea 2018	Final	16	DNF	DNF	DNF	DNF	DNF
3x3x3 Fewest Moves
FMC Asia 2019	Final	34	32	35.33	35	32	39
FMC Asia 2018	Final	49	35	38.00	38	41	35
FMC Asia 2017	Final	57	37	42.67	39	37	52
3x3x3 One-Handed
Rubik's WCA World Championship 2025	First round	353	12.96	16.91	16.27	17.94	16.53	23.33	12.96
Hamchang Winter 2024	Second round	27	21.56	23.74	23.73	24.96	24.50	23.00	21.56
	First round	23	19.76	21.16	21.33	21.84	19.76	20.76	21.38
ByeolLae Open 2020	Final	13	19.09	20.07	19.10	21.00	19.09	20.80	20.32
Daegu Autumn Open 2019	Final	7	17.38	18.92	17.74	21.21	17.38	17.80	24.44
Play Cube X4 2019	First round	15	16.74	20.06	19.86	18.77	21.55	22.23	16.74
Cutory Blossom 2019	Final	22	21.17	25.25	22.12	29.30	21.17	29.41	24.32
Korea Winter 2019	Final	30	16.87	24.00	25.99	22.50	26.47	23.52	16.87
Play Cube 2018	First round	26	23.60	25.28	33.92	23.60	25.52	23.66	26.66
CWR Winter 2018	Final	28	16.22	24.87	16.22	28.92	35.64	23.55	22.14
Clock
Cubing Korea 2019	Final	3	7.53	8.53	8.73	9.80	7.60	9.25	7.53
Korean Championship 2019	Final	1	6.35	7.20	6.80	6.35	8.39	6.42	8.67
Cube Camp in Wonju 2019	Final	3	7.17	8.72	DNF	9.68	7.43	9.05	7.17
Cubing Operating System Summer 2019	Final	3	8.59	9.34	9.21	DNF	8.81	10.00	8.59
CWR Fall 2018	Final	4	9.43	9.89	10.72	9.43	9.50	11.39	9.44
Korean Championship 2018	Final	8	10.24	13.52	13.32	10.24	14.38	16.48	12.85
Megaminx
Rubik's WCA World Championship 2025	Second round	41	36.17	38.81	36.17	44.16	38.25	41.92	36.27
	First round	43	35.30	39.28	35.30	36.77	40.14	40.92	49.18
Please Minx Korea 2025	Final	5	39.37	41.66	41.67	40.67	45.62	39.37	42.64
	Second round	5	43.23	44.95	44.92	46.06	43.87	43.23	47.88
	First round	4	35.47	42.97	41.61	46.17	35.47	47.41	41.14
Hamchang Winter 2024	Final	4	37.65	39.24	37.70	43.62	41.39	37.65	38.64
	First round	4	35.98	41.53	41.01	35.98	42.13	41.44	45.41
Philippine Championship 2024	Final	1	36.89	38.75	39.07	39.10	39.51	36.89	38.09
	First round	5	39.64	43.55	54.60	43.68	41.24	45.72	39.64
Busan Spring 2024	Final	2	36.73	38.48	45.59	37.14	38.00	40.31	36.73
	First round	3	39.49	42.67	39.49	41.85	52.76	43.67	42.49
Korean Championship 2023	Final	2	36.12	41.47	52.55	42.70	42.82	38.90	36.12
Seoul Summer 2022	Final	4	39.14	40.37	39.27	39.14	39.72	42.12	48.49
ByeolLae Open 2020	Final	1	39.74	41.42	40.36	42.05	42.54	39.74	41.84
Daegu Autumn Open 2019	Final	1	35.63	41.94	40.70	35.63	45.73	42.92	42.20
Korean Championship 2019	Final	2	39.41	41.65	40.59	42.26	39.41	48.27	42.10
Cutory Blossom 2019	Final	2	40.65	43.06	44.98	51.62	43.09	41.12	40.65
Korea Winter 2019	Final	4	43.72	50.34	49.38	52.49	49.15	43.72	56.07
Korean Championship 2018	Final	5	48.24	53.41	53.30	52.08	1:03.00	54.85	48.24
CWR Winter 2018	Final	3	49.98	54.94	55.42	57.43	49.98	1:04.71	51.98
CWR Fall 2017	Final	31	51.79	DNF	55.74	DNF	51.79	DNF	56.01
Korean Championship 2017	Final	7	1:16.63	1:21.10	1:21.98	1:27.64	1:16.63	1:23.11	1:18.21
Pyraminx
Rubik's WCA World Championship 2025	Second round	188	3.50	4.62	5.54	3.50	7.39	3.92	4.41
	First round	181	3.51	3.73	3.73	5.83	3.85	3.51	3.61
Please Minx Korea 2025	Final	10	3.88	4.29	4.69	3.88	4.00	4.18	8.90
	Semi Final	13	2.94	4.60	3.85	6.03	5.45	2.94	4.50
	Second round	15	3.94	4.95	4.87	4.80	5.18	3.94	5.31
	First round	12	4.24	4.58	6.44	4.92	4.44	4.24	4.37
ByeolLae Open 2020	Final	10	5.49	5.97	5.69	6.77	5.49	6.41	5.82
Daegu Autumn Open 2019	Final	5	3.97	5.34	8.15	6.30	4.88	3.97	4.83
Korean Championship 2019	First round	16	4.85	6.38	4.85	6.80	5.60	7.11	6.74
Play Cube X4 2019	Final	8	4.71	5.42	5.57	7.10	5.79	4.90	4.71
Seoul Winter 2019	First round	13	4.21	5.99	4.21	8.31	7.04	5.50	5.43
CWR Fall 2018	Final	5	4.36	5.35	4.36	4.54	6.21	5.29	6.56
Cubedu Korea 2018	Final	21	7.60	9.52	9.92	9.88	7.60	9.99	8.77
CWR Fall 2017	First round	22	6.47	10.21	6.47	7.41	10.91	12.30	DNF
Skewb
ByeolLae Open 2020	Final	6	4.28	5.43	4.71	5.88	6.80	4.28	5.71
Korean Championship 2019	First round	21	5.97	7.21	5.97	6.76	10.71	8.17	6.69
Cubing Operating System Summer 2019	First round	12	2.96	6.94	7.23	2.96	6.44	8.16	7.16
Seoul Winter 2019	Final	8	4.39	5.18	4.62	4.39	5.50	9.40	5.41
Cubedu Korea 2018	Final	23	6.55	7.97	6.55	11.78	7.41	8.64	7.86
Square-1
Rubik's WCA World Championship 2025	First round	428	12.18	19.53	23.32	12.18	21.76	18.89	17.93
Happy Suseong 2025	Final	14	15.70	17.65	18.41	17.16	15.70	21.94	17.38
	Second round	14	13.46	15.94	15.15	13.46	16.56	16.10	18.94
	First round	16	12.20	20.26	24.72	12.20	21.92	17.01	21.85
Cube Camp in Wonju 2019	Final	5	13.41	19.26	19.05	13.41	23.36	23.08	15.64
Cutory Blossom 2019	Final	9	20.85	22.95	26.68	25.39	21.70	21.75	20.85
Seoul Winter 2019	Final	10	18.11	21.91	18.11	24.16	18.88	27.53	22.68
Play Cube 2018	Final	11	19.44	21.02	21.40	20.56	21.10	19.44	38.88
4x4x4 Blindfolded
Cube Camp in Wonju 2019	Final	4	DNF	DNF	DNF	DNF	DNS
Please Be Quiet Korea 2019	Final	5	21:53.00	DNF	21:53.00	DNF	DNF
3x3x3 Multi-Blind
Korean Championship 2019	Final	5	2/4 22:04		2/4 22:04
Please Be Quiet Korea 2019	Final	7	DNF		DNF
3x3x3 With Feet
Cubing Korea 2019	Final	2	26.38	29.73	26.38	30.66	31.12	DNF	27.40
Korean Championship 2019	Final	2	29.32	32.21	37.06	29.77	29.32	36.02	30.85
Cubing Operating System Summer 2019	Final	1	26.82	31.97	35.30	28.45	26.82	36.90	32.16
Korean Championship 2018	Final	5	39.09	45.03	40.61	39.09	43.55	54.06	50.92
CWR Winter 2018	Final	5	42.37	51.14	49.17	56.04	48.21	42.37	1:08.16

National Championship Podiums

Event	Place	Single	Average	Solves
Korean Championship 2023
Megaminx	2	36.12	41.47	52.55	42.70	42.82	38.90	36.12
Korean Championship 2019
Clock	1	6.35	7.20	6.80	6.35	8.39	6.42	8.67
Megaminx	2	39.41	41.65	40.59	42.26	39.41	48.27	42.10
3x3x3 With Feet	2	29.32	32.21	37.06	29.77	29.32	36.02	30.85