YoonSung Choi (최윤성)

Region	WCA ID	Gender	Competitions	Completed Solves
Republic of Korea	2024CHOI36	Male	13	360

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	66	1113	3295	6.90	7.91	1628	599	33
2x2x2 Cube	28	477	2262	1.27	2.17	1236	303	22
4x4x4 Cube	177	2739	7794	37.95	42.77	7012	2506	172
5x5x5 Cube	225	3259	9811	1:27.11	1:36.09	9622	3214	223
6x6x6 Cube	158	2040	6644	2:57.67	3:06.82	6308	1964	154
3x3x3 Fewest Moves	46	699	2778	33	37.67	2195	564	37
3x3x3 One-Handed	15	217	662	9.88	14.24	1367	497	31
Clock	83	941	3929	7.48	8.53	3318	780	74
Megaminx	180	2596	9454	1:30.00	1:41.48	9373	2573	179
Pyraminx	210	4825	17960	5.19	7.78	15771	4574	217
Skewb	190	3512	13607	5.14	7.00	9081	2549	154
Square-1	51	752	3350	13.85	21.15	4226	995	70

Gold	Silver	Bronze
0	0	1

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Seoul Spring 2026	Final	7	8.34
	Second round	7	7.51	8.53	8.32	7.51	8.86	8.42	11.93
	First round	5	7.26	8.43	7.26	7.99	8.27	9.04	DNF
Seoul Winter 2026	Semi Final	26	7.01	9.79	9.17	11.68	7.01	9.65	10.55
	Second round	10	6.90	7.91	6.90	8.38	8.15	7.19	10.62
	First round	12	8.40	8.81	8.69	8.41	8.40	9.33	12.42
Korean Championship 2025	Second round	26	7.13	9.26	9.05	7.13	8.64	10.09	10.71
	First round	37	7.19	9.43	10.98	9.43	10.01	8.85	7.19
Uhseo Osong 2025	First round	38	7.63	10.98	11.83	12.13	10.09	11.01	7.63
We Laugh Pohanghang 2025	First round	20	8.41	9.84	8.41	12.63	8.60	10.32	10.60
Korea Open 2025	Semi Final	28	7.30	9.34	8.37	9.09	10.55	10.70	7.30
	Second round	53	8.41	10.75	12.45	9.78	12.66	10.03	8.41
	First round	32	8.32	9.79	10.06	8.32	9.89	9.43	DNF
Suwon Summer 2025	First round	20	8.78	9.64	10.18	9.09	11.08	9.64	8.78
Daejeon Spring 2025	Second round	24	7.92	10.22	7.92	12.93	7.94	9.99	12.72
	First round	40	10.32	11.12	11.13	10.32	11.00	DNF	11.23
Happy Suseong 2025	Second round	60	12.29	14.15	12.29	13.89	14.96	14.39	14.18
	First round	57	9.52	11.73	12.66	12.04	11.72	9.52	11.44
Seoul Winter 2024	First round	108	11.64	15.68	19.29	13.70	14.04	11.64	DNF
Hamchang Winter 2024	Second round	43	11.69	13.07	12.58	13.99	11.69	14.16	12.64
	First round	35	8.91	12.61	12.58	8.91	13.12	12.14	15.17
2x2x2 Cube
Seoul Winter 2026	Final	3	1.40	2.17	1.40	2.78	2.65	1.91	1.96
	First round	16	1.36	3.01	1.36	1.95	3.21	3.88	4.34
Korean Championship 2025	First round	23	1.27	3.29	1.27	2.56	4.58	4.06	3.24
Uhseo Osong 2025	Final	5	1.73	2.51	1.79	3.47	1.73	5.14	2.28
	First round	6	1.56	2.36	2.37	3.00	2.88	1.56	1.84
Korea Open 2025	Final	10	1.95	2.66	1.95	3.53	3.39	2.17	2.43
	Second round	12	1.39	2.42	2.80	1.70	4.84	1.39	2.76
	First round	15	1.36	2.90	1.36	3.13	3.24	2.98	2.60
Suwon Summer 2025	Final	6	2.00	2.67	2.54	3.64	2.37	3.11	2.00
	First round	6	1.60	2.38	2.56	2.12	2.45	1.60	2.64
Daejeon Spring 2025	Final	10	2.13	3.18	DNF	3.40	3.28	2.13	2.86
	Second round	10	2.11	3.05	2.11	2.84	3.52	4.94	2.79
	First round	6	2.29	2.79	2.69	6.67	2.29	3.14	2.54
Happy Suseong 2025	First round	142	2.79	DNF	2.79	DNF	DNF	3.74	3.90
Seoul Winter 2024	First round	47	3.35	4.45	4.76	3.35	6.62	4.85	3.73
Daegu Autumn 2024	First round	34	3.02	4.35	3.54	4.60	3.02	5.17	4.90
4x4x4 Cube
Seoul Winter 2026	First round	50	40.29	48.52	1:17.02	47.03	40.29	49.73	48.81
Uhseo Osong 2025	First round	29	39.66	42.77	57.45	43.64	42.00	39.66	42.68
Korea Open 2025	Second round	85	37.95	50.87	54.63	37.95	50.09	47.89	56.80
	First round	71	43.40	46.89	46.79	44.38	49.50	43.40	58.84
Suwon Summer 2025	First round	44	46.44	49.28	48.73	46.44	47.27	51.84	55.83
Happy Suseong 2025	First round	79	53.29	56.02	55.05	57.01	56.00	53.29	1:01.11
Seoul Winter 2024	First round	100	1:06.49	1:08.08	1:06.68	1:06.83	1:06.49	1:10.73	1:12.45
Daegu Autumn 2024	First round	67	58.46	1:12.88	1:42.31	1:13.44	58.46	1:09.85	1:15.36
5x5x5 Cube
Seoul Winter 2026	First round	55	1:27.11	1:36.09	1:33.94	1:44.56	1:27.11	1:38.10	1:36.22
Korea Open 2025	First round	94	1:29.52	1:48.48	DNF	1:42.35	1:56.19	1:46.89	1:29.52
Happy Suseong 2025	First round	85	1:52.85	2:08.32	2:26.79	1:53.82	DNF	1:52.85	2:04.36
Hamchang Winter 2024	First round	54	1:55.87	2:12.37	2:01.20	2:21.81	2:14.10	1:55.87	2:23.63
6x6x6 Cube
Seoul Winter 2026	First round	48	2:57.67	3:06.82	3:11.93	2:57.67	3:10.85
We Laugh Pohanghang 2025	First round	36	3:14.83	3:21.23	3:24.88	3:23.97	3:14.83
3x3x3 Fewest Moves
FMC Busan 2025	Final	8	33	37.67	42	38	33
	First round	13	36	40.00	45	36	39
3x3x3 One-Handed
Korean Championship 2025	First round	13	12.98	15.52	17.67	20.76	15.31	12.98	13.58
Uhseo Osong 2025	Final	15	13.91	20.11	25.09	15.29	22.49	13.91	22.56
	First round	7	11.71	14.28	13.64	14.51	15.53	14.70	11.71
We Laugh Pohanghang 2025	Final	7	12.99	14.24	13.64	18.62	13.12	15.97	12.99
	First round	9	12.06	15.02	13.36	17.61	14.87	16.82	12.06
Korea Open 2025	Second round	20	9.88	17.91	26.76	13.75	22.88	17.10	9.88
	First round	16	13.80	17.81	13.80	17.36	19.74	17.94	18.13
Hamchang Winter 2024	Second round	31	21.19	26.72	21.19	30.50	26.60	39.03	23.05
	First round	29	21.88	24.31	29.09	21.88	25.54	25.04	22.35
Clock
Seoul Spring 2026	Final	13	7.48	8.53	7.76	7.55	7.48	10.27	DNF
Megaminx
We Laugh Pohanghang 2025	First round	33	1:42.43	1:58.73	1:58.18	1:53.42	2:04.81	2:04.59	1:42.43
Suwon Summer 2025	First round	34	1:30.00	1:41.48	1:51.29	1:41.03	1:32.11	1:30.00	1:52.39
Hamchang Winter 2024	First round	36	1:55.34	2:09.51	2:50.67	1:55.34	2:03.36	2:09.22	2:15.94
Pyraminx
Korea Open 2025	First round	90	6.39	10.64	18.41	10.32	9.54	12.07	6.39
Suwon Summer 2025	First round	29	5.19	7.78	6.31	5.19	8.42	12.41	8.62
Hamchang Winter 2024	Second round	31	7.11	9.50	8.14	7.11	12.32	10.47	9.90
	First round	25	6.18	7.81	8.31	7.00	8.12	11.71	6.18
Skewb
We Laugh Pohanghang 2025	First round	14	5.14	7.00	5.76	5.14	9.17	6.07	12.79
Happy Suseong 2025	First round	54	8.43	11.41	21.38	13.66	8.43	10.26	10.31
Square-1
Seoul Spring 2026	Final	9	13.85	21.15	15.68	23.29	13.85	24.49	30.52
Daejeon Spring 2025	First round	31	29.73	36.76	40.45	33.00	54.89	29.73	36.84
Happy Suseong 2025	Second round	29	25.62	29.18	37.93	28.78	25.62	31.25	27.52
	First round	36	29.19	36.50	36.28	39.76	36.27	36.96	29.19

Current Personal Records

Medal Collection