Chae Jiseok (채지석)

Region	WCA ID	Gender	Competitions	Completed Solves
Republic of Korea	2008JISE02	Male	25	731

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	296	5160	14276	9.27	11.48	15143	5701	319
2x2x2 Cube	182	3024	12097	2.30	3.84	11219	3162	216
4x4x4 Cube	137	1984	5661	35.83	40.66	5147	1842	133
5x5x5 Cube	133	1826	5298	1:13.86	1:22.63	5408	1880	128
6x6x6 Cube	73	935	2762	2:15.11	2:25.94	2828	954	75
7x7x7 Cube	73	999	2906	3:38.98	3:45.46	2591	910	72
3x3x3 Blindfolded	121	1977	6040	3:02.42
3x3x3 Fewest Moves	60	994	3864	36
3x3x3 One-Handed	156	2955	8084	16.72	19.96	7020	2631	140
Clock	23	307	1307	5.07	6.99	1742	401	29
Megaminx	169	2409	8711	1:28.29	1:43.23	9349	2571	181
Pyraminx	216	4967	18504	5.34	7.48	13679	3971	185
Skewb	241	4851	18894	6.23	9.81	19253	5198	287
Square-1	278	3957	18351	51.35	1:01.54	15838	3497	257
3x3x3 Multi-Blind	51	727	2860	2/2 16:17

Medal Collection

Gold	Silver	Bronze
1	4	4

Record Collection

WR	CR	NR
		3

Competition	Round	Place	Single		Average		Solves
3x3x3 Cube
Seoul Winter 2026	Second round	72	11.52		12.36		12.08	11.52	12.74	13.42	12.26
	First round	79	11.44		13.21		13.96	13.21	12.45	11.44	14.17
Daejeon Spring 2025	Second round	59	12.06		13.17		13.03	13.23	12.06	13.25	13.40
	First round	77	12.51		14.01		15.57	15.02	12.51	12.55	14.46
Rubik's WCA World Championship 2023	First round	692	12.33		13.69		12.33	12.38	14.07	14.61	15.66
KAIST Fall 2022	First round	38	10.21		12.29		17.44	10.21	12.87	12.69	11.31
Cubing SimCheong Open 2022	Semi Final	14	9.27		11.48		11.29	9.27	12.67	19.68	10.49
	Second round	23	11.21		12.21		11.60	12.55	11.21	12.49	13.59
	First round	38	12.64		14.42		17.93	15.64	12.64	14.19	13.42
Korean Championship 2022	Second round	69	12.13		16.16		17.15	15.61	16.58	12.13	16.29
	First round	59	11.12		12.50		15.73	11.49	12.42	11.12	13.59
Seoul Summer 2022	First round	42	10.50		12.15		13.83	11.95	10.50	12.46	12.05
Korean Championship Mini 2021	First round	28	12.48		12.90		14.12	12.72	12.94	12.48	13.04
Cube Camp in Wonju 2019	First round	35	11.84		15.61		15.04	13.56	18.23	11.84	20.19
Busan Winter 2018	First round	20	12.22		13.41		17.96	14.23	12.22	13.53	12.47
Korean Championship 2018	First round	67	11.96		14.17		11.96	14.19	16.12	12.20	20.07
Korean Championship 2017	First round	56	13.19		14.36		13.75	15.52	13.19	15.14	14.19
KAIST Spring 2017	Second round	22	11.48		13.80		15.66	11.48	39.93	12.96	12.77
	First round	14	10.91		12.54		13.88	14.36	12.33	10.91	11.40
Korean Championship 2016	Second round	43	10.98		14.12		10.98	12.33	14.02	16.68	16.02
	First round	44	11.97		13.78		15.32	14.82	11.97	13.48	13.05
Jeonju Spring 2016	Second round	25	12.82		15.50		12.82	22.72	15.43	14.98	16.08
	First round	36	10.63		16.68		16.83	19.96	13.32	10.63	19.89
Korea Winter 2015	Second round	36	12.47		14.05		12.47	13.45	14.13	15.68	14.58
	First round	37	11.59		14.59		14.37	14.68	11.59	19.86	14.73
Korean Style 2013	Second round	33	15.61		17.05		16.03	17.83	17.30	30.41	15.61
	First round	29	14.96		15.70		15.53	15.91	16.88	14.96	15.66
Cubing Korea January 2012	First round	33	22.65		25.02		28.81	24.50	22.65	24.11	26.46
Cubing Korea Xmas Eve 2011	First round	31	18.16		23.49		23.06	22.96	29.22	24.44	18.16
Cheonan Cube Championship 2008	First round	42	1:01.56				1:06.22	1:01.56
2x2x2 Cube
Seoul Winter 2026	First round	60	2.30		4.30		4.62	5.90	2.37	2.30	12.02
Daejeon Spring 2025	Second round	58	4.24		5.88		4.63	7.63	5.39	8.47	4.24
	First round	49	3.67		4.79		6.52	5.49	3.67	3.79	5.10
Rubik's WCA World Championship 2023	First round	335	3.85		4.47		5.46	3.91	4.04	6.26	3.85
Cubing SimCheong Open 2022	Second round	18	3.87		5.04		4.94	3.87	5.38	5.05	5.12
	First round	14	4.31		5.43		5.32	4.31	6.03	4.93	6.15
Korean Championship 2022	Second round	24	3.11		4.48		6.22	4.94	4.39	4.11	3.11
	First round	32	2.90		4.52		2.90	4.57	5.49	3.95	5.04
Seoul Summer 2022	Final	25	3.22		4.58		4.87	9.29	4.52	3.22	4.34
Korean Championship Mini 2021	Final	9	3.28		3.84		3.60	4.56	3.95	3.28	3.97
Cube Camp in Wonju 2019	Final	12	2.35		4.39		4.32	2.35	6.50	4.20	4.64
Busan Winter 2018	First round	15	4.00		4.79		4.86	4.49	5.01	5.33	4.00
Korean Championship 2018	First round	22	3.69		4.11		3.69	4.65	3.92	3.76	5.31
Korean Championship 2017	First round	58	4.12		6.67		4.12	5.12	9.97	DNF	4.92
KAIST Spring 2017	First round	7	3.58		3.89		3.87	4.00	4.26	3.58	3.79
Korean Championship 2016	First round	9	3.39		3.90		4.04	4.59	3.39	3.91	3.75
Korea Winter 2015	First round	15	3.93		4.29		4.24	4.56	9.84	4.08	3.93
Korean Style 2013	Final	13	3.72		5.18		3.72	4.52	6.46	5.83	5.18
	First round	19	4.50		5.64		6.58	5.83	4.50	6.27	4.83
Cubing Korea January 2012	Final	10	4.72		5.08		4.91	4.81	5.53	10.72	4.72
	First round	14	2.91		5.94		6.58	5.40	6.35	2.91	6.06
Cubing Korea Xmas Eve 2011	Final	15	5.55		6.07		6.05	5.55	5.63	7.15	6.53
	First round	16	4.97		5.76		5.84	5.65	6.68	5.80	4.97
Cheonan Cube Championship 2008	First round	22	22.34				25.19	22.34
4x4x4 Cube
Seoul Winter 2026	First round	35	37.07		40.66		50.82	44.38	39.93	37.68	37.07
Daejeon Spring 2025	First round	29	36.83		43.30		36.83	41.52	46.32	42.05	1:04.84
Anyang Haseyo 2025	First round	28	37.55		41.68		42.50	40.11	37.55	42.42	44.33
Rubik's WCA World Championship 2023	First round	361	36.71		45.80		48.32	42.44	49.55	46.63	36.71
KAIST Fall 2022	First round	24	38.84		43.53		43.29	38.84	44.71	42.59	59.86
Korean Championship 2022	First round	25	35.83		42.42		46.49	45.90	44.65	36.71	35.83
Seoul Summer 2022	Final	18	37.02		41.88		37.02	48.77	41.82	43.00	40.82
Korean Championship Mini 2021	Final	19	45.22		47.70		46.62	45.22	54.02	49.34	47.14
Cube Camp in Wonju 2019	Final	17	41.11		45.73		1:33.41	44.84	41.11	46.22	46.14
Korean Championship 2018	First round	26	41.86		46.38		41.86	45.21	1:06.76	46.17	47.75
Korean Championship 2017	First round	38	49.82		57.64		49.82	59.41	1:34.14	1:01.68	51.82
KAIST Spring 2017	First round	9	47.20		49.70		48.32	47.20	59.82	48.40	52.38
Korean Championship 2016	First round	24	46.54		56.52		1:07.15	1:07.44	47.81	54.59	46.54
Korea Winter 2015	First round	20	50.54		57.03		57.08	50.54	59.21	1:14.86	54.79
Korean Style 2013	Final	18	56.25		1:06.70		1:11.78	1:15.21	1:03.43	1:04.88	56.25
Cubing Korea January 2012	Final	17	1:17.75		1:32.74		DNF	1:23.06	1:17.75	1:51.89	1:23.26
Cubing Korea Xmas Eve 2011	Final	20	1:29.41		1:35.69		1:35.02	1:37.97	1:29.41	1:34.08	1:50.84
5x5x5 Cube
Seoul Winter 2026	First round	42	1:13.86		1:22.63		1:24.17	1:24.77	1:40.87	1:18.96	1:13.86
Rubik's WCA World Championship 2023	First round	309	1:16.71		1:24.97		1:16.71	1:28.09	1:28.06	1:26.49	1:20.35
Please Big Cubes Korea 2022	First round	21	1:21.10		1:25.37		1:21.10	1:27.03	1:31.28	1:25.87	1:23.20
Korean Championship 2022	First round	26	1:14.94		1:26.29		1:14.94	1:27.76	1:26.94	1:25.85	1:26.09
Korean Championship Mini 2021	Final	21	1:25.89		1:31.15		1:34.71	1:30.18	1:37.45	1:25.89	1:28.56
Cube Camp in Wonju 2019	Final	13	1:21.98		1:31.69		1:39.33	1:27.97	1:28.33	1:21.98	1:38.78
Korean Championship 2018	First round	31	1:31.79		1:40.10		1:49.87	1:43.81	1:32.26	1:31.79	1:44.22
Korean Championship 2017	First round	25	1:41.52		1:48.98		1:59.95	1:43.62	1:43.36	DNF	1:41.52
Korean Championship 2016	First round	12	1:33.19		1:38.82		1:44.01	1:38.58	1:33.19	1:59.80	1:33.86
Jeonju Spring 2016	First round	15	1:44.05		1:52.04		1:54.30	1:48.40	1:53.41	2:05.75	1:44.05
Korean Style 2013	Final	14	2:04.63		2:13.58		2:04.63	2:10.15	2:06.03	2:24.55	2:36.40
Cubing Korea January 2012	Final	11	2:51.46		3:12.10		3:02.90	3:21.75	3:11.66	3:28.44	2:51.46
Cubing Korea Xmas Eve 2011	Final	17	3:12.22		3:20.46		3:13.36	3:29.25	3:18.77	3:45.43	3:12.22
6x6x6 Cube
Seoul Winter 2026	First round	30	2:15.11		2:25.94		2:15.11	2:29.46	2:33.26
Anyang Haseyo 2025	First round	20	2:21.23		2:30.54		2:21.23	2:40.28	2:30.10
Rubik's WCA World Championship 2023	First round	205	2:25.79		2:35.97		2:37.45	2:44.67	2:25.79
Please Big Cubes Korea 2022	First round	38	2:25.36		DNF		DNF	2:25.36	2:33.42
Korean Championship 2022	Final	14	2:23.76		2:45.83		2:23.76	2:35.79	3:17.95
Seoul Summer 2022	Final	16	2:34.75		2:38.20		2:40.88	2:34.75	2:38.96
Cube Camp in Wonju 2019	Final	7	2:34.38		3:02.11		2:54.32	3:37.62	2:34.38
Korean Championship 2018	Final	15	2:49.95		2:56.31		2:49.95	2:59.44	2:59.54
Korean Championship 2017	Final	16	DNF				DNF
Korean Championship 2016	Final	6	3:05.41		3:07.90		3:11.65	3:05.41	3:06.65
7x7x7 Cube
Anyang Haseyo 2025	First round	20	3:38.98		3:45.46		3:42.58	3:38.98	3:54.83
Rubik's WCA World Championship 2023	First round	221	4:32.53				4:32.53
Please Big Cubes Korea 2022	First round	13	3:55.08		3:59.85		3:55.08	4:03.26	4:01.21
Korean Championship 2022	Final	13	3:46.18		3:50.90		3:54.52	3:52.01	3:46.18
Busan Winter 2018	Final	13	4:27.04		4:29.51		4:32.19	4:27.04	4:29.29
Korean Championship 2018	Final	12	4:15.31		4:51.38		5:34.72	4:15.31	4:44.10
Korean Championship 2017	Final	6	4:35.87		4:59.85		4:43.63	4:35.87	5:40.06
Korean Championship 2016	Final	8	5:05.84		5:20.59		5:35.62	5:05.84	5:20.31
3x3x3 Blindfolded
Seoul Winter 2026	First round	31	DNF		DNF		DNF	DNF	DNS	DNS	DNS
Cubing SimCheong Open 2022	Second round	10	3:34.92		DNF		DNF	DNF	3:34.92
	First round	9	3:02.42		DNF		3:02.42	DNF	DNF
Korean Championship 2022	First round	17	DNF		DNF		DNF	DNF	DNF
Korean Championship 2016	First round	17	5:19.30		DNF		DNF	DNF	5:19.30
Korean Style 2013	Final	6	DNF		DNF		DNF	DNF	DNF
3x3x3 Fewest Moves
Korean FMC Championship 2024	First round	31	36		DNF		DNF	44	36
Please Be Quiet Korea 2022	Final	13	37		DNF		DNF	37	39
Korean Championship 2017	Final	8	39				39
3x3x3 One-Handed
Rubik's WCA World Championship 2023	First round	337	17.88		23.16		20.72	26.04	22.73	42.55	17.88
KAIST Fall 2022	First round	18	18.00		21.24		21.37	18.00	20.68	21.67	23.44
Korean Championship 2022	First round	17	16.72		19.96		17.73	20.27	24.04	21.88	16.72
Seoul Summer 2022	Final	26	19.96		23.45		23.16	19.96	25.17	24.26	22.94
Korean Championship Mini 2021	Final	18	21.80		23.33		25.32	24.29	23.04	21.80	22.67
Cube Camp in Wonju 2019	Final	21	20.44		25.24		28.34	21.89	26.26	20.44	27.58
Busan Winter 2018	Final	17	20.59		24.08		22.99	24.49	30.17	20.59	24.77
Korean Championship 2018	First round	39	20.11		28.06		26.23	28.71	20.11	34.94	29.25
Korean Championship 2017	First round	33	22.55		26.86		22.55	51.50	30.15	24.03	26.40
Korean Championship 2016	First round	27	18.73		25.80		26.22	18.73	DNF	20.97	30.20
Jeonju Spring 2016	First round	13	22.83		24.68		26.51	22.94	22.83	26.08	25.03
Korea Winter 2015	First round	22	22.87		24.16		24.22	22.87	22.93	25.34	26.21
Korean Style 2013	Final	19	30.93		35.26		35.43	35.31	35.05	30.93	35.55
Cubing Korea January 2012	Final	20	49.91		1:01.97		49.91	54.71	1:00.69	1:10.52	1:21.96
Cubing Korea Xmas Eve 2011	Final	26	41.52		47.62		55.40	45.88	41.52	41.58	59.40
Clock
Rubik's WCA World Championship 2023	First round	62	7.04		7.78		7.56	8.04	9.24	7.04	7.73
Korean Championship 2022	Final	2	5.07		6.99		6.92	7.88	DNF	5.07	6.17
Cube Camp in Wonju 2019	Final	1	7.81		8.12		8.58	8.27	7.91	8.19	7.81
Korean Championship 2018	Final	2	7.76		8.44		7.76	9.00	7.83	8.48	11.14
Korean Championship 2017	Final	3	6.99		9.66		7.68	DNF	6.99	10.65	10.64
KAIST Spring 2017	Final	2	7.63		9.02		7.63	10.78	7.73	DNF	8.56
Korean Championship 2016	Final	2	7.68		8.11		8.27	7.68	9.92	7.89	8.18
Korea Winter 2015	Final	3	7.96		8.18		8.17	8.34	7.96	9.13	8.02
Korean Style 2013	Final	3	8.41		9.98		8.41	9.00	9.31	11.63	13.33
Cubing Korea January 2012	Final	4	19.40		28.50		36.84	19.40	DNF	21.06	27.60
Cubing Korea Xmas Eve 2011	Final	3	31.81		46.32		DNF	31.81	39.96	35.58	1:03.43
Megaminx
Rubik's WCA World Championship 2023	First round	299	1:42.61				1:53.88	1:42.61
KAIST Fall 2022	First round	22	1:32.18		1:43.23		1:32.18	2:23.22	1:43.41	1:50.77	1:35.52
Please Big Cubes Korea 2022	First round	21	1:39.37		1:51.58		1:52.50	DNF	1:39.37	1:45.48	1:56.75
Korean Championship 2022	Final	29	1:28.29		2:07.78		2:32.20	2:22.09	2:09.34	1:28.29	1:51.90
Seoul Summer 2022	Final	33	1:39.41		1:49.36		2:01.44	1:53.15	1:46.71	1:48.21	1:39.41
Korean Championship Mini 2021	Final	22	1:42.35		2:08.70		2:06.55	2:21.35	2:08.01	1:42.35	2:11.55
Busan Winter 2018	Final	19	1:32.37		1:45.35		1:32.37	1:55.33	1:58.11	1:37.81	1:42.92
Korean Championship 2018	Final	19	1:39.85		1:50.52		1:56.47	2:01.40	1:39.85	1:53.36	1:41.74
Korean Championship 2017	Final	14	1:46.22		1:58.65		2:10.89	1:55.79	1:54.04	2:06.11	1:46.22
Korean Championship 2016	Final	8	1:51.95		2:03.35		1:56.30	2:12.98	2:23.79	1:51.95	2:00.77
Korean Style 2013	Final	8	2:52.27		3:08.66		3:09.58	3:01.31	3:20.47	3:15.08	2:52.27
Pyraminx
Rubik's WCA World Championship 2023	First round	367	6.81		9.17		11.10	9.53	11.37	6.88	6.81
Cube Camp in Wonju 2019	Final	11	6.10		7.59		8.24	6.93	7.61	9.06	6.10
Korean Championship 2017	First round	13	5.34		7.48		5.34	8.15	8.56	5.72	9.08
Korean Championship 2016	First round	17	8.13		9.72		8.13	9.08	10.53	15.81	9.56
Korean Style 2013	Final	10	10.00		11.07		10.00	12.84	15.43	10.36	10.00
Skewb
Korean Championship 2016	First round	45	10.14		14.61		14.31	10.14	15.29	14.24	22.07
Korea Winter 2015	First round	23	6.23		9.81		8.87	12.15	6.23	14.48	8.40
Square-1
Daejeon Spring 2025	First round	44	1:00.76				1:00.76	1:05.53
Korean Championship 2016	Final	27	51.35		1:01.54		1:44.67	1:01.72	1:05.11	57.79	51.35
Korean Style 2013	Final	9	2:48.83		3:45.84		3:44.72	3:15.84	DNF	4:16.96	2:48.83
4x4x4 Blindfolded
Please Be Quiet Korea 2022	Final	5	DNF		DNF		DNF	DNF	DNS
Korean Championship 2022	Final	8	DNF		DNF		DNF	DNS	DNS
Korean Championship 2018	Final	8	DNF		DNF		DNF	DNF	DNS
3x3x3 Multi-Blind
Please Be Quiet Korea 2022	Final	8	2/2 16:17				2/2 16:17	2/3 28:57
Korean Championship 2018	Final	9	DNF				DNF
Magic
Magics Korea 2012	Second round	15	0.84	NR	2.50		2.38	0.84	0.86	4.27	DNF
	First round	1	0.84	NR	0.88	NR	0.91	0.86	0.84	DNF	0.86
Cubing Korea January 2012	Final	4	1.40		2.42		1.40	2.13	2.30	4.25	2.83
Cubing Korea Xmas Eve 2011	Final	5	1.08		2.02		1.22	1.75	3.08	1.08	DNF
Master Magic
Magics Korea 2012	Final	5	4.08		4.53		4.21	4.08	5.22	4.15	DNF
	Second round	6	2.36		3.34		3.09	2.71	4.21	2.36	6.68
	First round	11	2.33		3.66		3.41	4.02	6.52	2.33	3.55
Cubing Korea January 2012	Final	6	3.71		5.75		7.59	5.05	3.71	13.75	4.61
Cubing Korea Xmas Eve 2011	Final	8	4.36		7.00		8.58	4.36	7.41	12.31	5.02

History of National Records

Single	Average	Competition	Round	Solves
Magic
0.84		Magics Korea 2012	Second round
0.84	0.88	Magics Korea 2012	First round	0.91	0.86	0.84	DNF	0.86

National Championship Podiums

Event	Place	Single	Average	Solves
Korean Championship 2022
Clock	2	5.07	6.99	6.92	7.88	DNF	5.07	6.17
Korean Championship 2018
Clock	2	7.76	8.44	7.76	9.00	7.83	8.48	11.14
Korean Championship 2017
Clock	3	6.99	9.66	7.68	DNF	6.99	10.65	10.64
Korean Championship 2016
Clock	2	7.68	8.11	8.27	7.68	9.92	7.89	8.18