Ching-Yuan Cheng (鄭景淵)

Region	WCA ID	Gender	Competitions	Completed Solves
Chinese Taipei	2023CHEN82	Male	22	729

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	80	1425	4268	7.30	9.67	6218	2265	130
2x2x2 Cube	61	1116	4927	1.67	3.18	5322	1430	66
4x4x4 Cube	87	913	2612	31.13	39.54	4394	1577	138
5x5x5 Cube	160	1466	4216	1:10.20	1:17.27	4035	1412	149
6x6x6 Cube	155	1768	5601	2:49.51
3x3x3 One-Handed	79	1676	4728	14.49	19.33	6151	2340	114
Clock	11	149	656	4.00	4.65	464	107	8
Megaminx	109	1925	6940	1:20.10	1:28.46	6600	1828	103
Pyraminx	30	581	2276	2.40	3.87	1975	551	28
Skewb	75	1168	4757	3.40	7.34	9845	2744	149
Square-1	99	1288	5612	18.31	33.40	8938	2069	145

Medal Collection

Gold	Silver	Bronze
0	1	2

Results
Map

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Shin Kong Cube Open - Taitung 2025	Second round	22	7.30	11.07	10.39	11.48	11.35	7.30	12.72
	First round	13	9.38	10.14	11.59	9.79	9.38	9.65	10.99
Taiwan Championship 2025	Second round	105	10.27	12.32	13.72	13.69	10.27	10.71	12.57
	First round	85	7.99	11.07	7.99	8.67	11.60	13.86	12.94
Shin Kong Cube Open - Kaohsiung 2025	Second round	22	9.15	10.15	11.57	12.71	9.40	9.15	9.47
	First round	23	9.08	10.94	9.08	11.77	10.91	10.13	DNF
Taoyuan Airport Cube Day 2025	Second round	50	9.91	11.30	12.28	13.26	9.91	11.42	10.21
	First round	62	10.12	11.83	10.12	12.89	10.43	13.12	12.18
Shin Kong Cube Open - Taichung 2025	Second round	30	9.57	10.88	11.99	11.00	9.57	13.38	9.65
	First round	21	8.76	9.67	9.78	8.76	10.37	8.85	11.56
Hsinchu Summer Open 2025	Second round	29	9.79	10.03	10.05	10.15	9.79	11.19	9.89
	First round	43	8.18	10.92	10.78	10.69	13.42	8.18	11.29
Maru Cube Day Taiwan 2025	Second round	64	9.46	11.51	10.56	9.46	11.29	12.67	14.27
	First round	55	8.53	10.80	11.90	12.74	8.53	10.93	9.58
Taipei Summer Open 2025	Second round	46	7.97	10.25	9.44	10.47	10.85	15.02	7.97
	First round	46	9.12	10.35	11.37	11.18	9.12	9.94	9.94
Zhongshan Open 2025	Second round	39	9.55	11.53	14.57	11.36	12.56	9.55	10.68
	First round	39	10.97	11.72	11.90	11.21	14.72	10.97	12.05
BQHS Spring Open 2025	Second round	49	7.77	11.40	12.11	7.77	11.21	10.99	11.99
	First round	27	8.39	9.89	10.33	10.01	8.39	9.33	11.85
Pingtung Winter Open 2025	Second round	41	8.93	11.59	12.31	8.93	11.70	11.51	11.57
	First round	45	9.42	11.78	12.59	11.87	9.42	11.53	11.94
Taoyuan Airport Cube Day 2024	Second round	77	10.73	13.83	15.36	12.74	15.72	10.73	13.38
	First round	61	10.09	12.47	11.53	10.09	13.27	12.62	17.66
Shin Kong Cube Open - Kaohsiung 2024	Second round	41	11.16	12.65	14.11	12.86	11.16	13.49	11.61
	First round	49	11.13	12.91	11.60	13.79	11.13	14.55	13.33
Maru Cube Day Taiwan 2024	Second round	78	11.75	13.05	15.77	11.75	12.85	11.80	14.49
	First round	87	12.58	13.29	12.58	13.10	13.65	14.89	13.12
Taipei Summer Open 2024	Second round	91	11.84	14.05	12.82	13.20	16.14	19.66	11.84
	First round	99	10.46	13.38	15.83	10.46	12.62	11.69	16.90
Taichung Open 2024	First round	70	12.51	14.53	24.22	13.30	15.01	12.51	15.29
HCHS Winter Open 2024	First round	62	13.19	16.97	16.49	16.10	13.19	18.32	18.32
Kaohsiung Winter Open 2024	First round	64	15.17	17.19	15.22	15.17	17.33	19.33	19.02
Taiwan Championship 2023	First round	158	14.96	16.07	14.96	15.89	16.27	16.05	18.99
Pingtung Summer Open 2023	First round	60	18.59	21.07	20.88	26.31	19.87	22.46	18.59
Taiwan Cubing Challenge 2023	Second round	171	21.34	30.28	27.59	36.20	21.34	27.38	35.88
	First round	173	22.87	29.91	29.40	22.87	31.14	29.20	45.54
2x2x2 Cube
Taiwan Championship 2025	Second round	48	3.45	4.45	3.45	4.33	4.56	5.71	4.45
	First round	43	2.36	3.92	4.10	3.79	2.36	4.40	3.87
Taoyuan Airport Cube Day 2025	Second round	16	2.66	3.46	4.09	3.31	5.24	2.99	2.66
	First round	30	3.03	4.03	4.67	3.03	3.13	4.56	4.39
Hsinchu Summer Open 2025	Final	9	2.90	3.69	4.52	2.93	5.25	2.90	3.63
	First round	12	2.50	3.18	3.25	2.50	3.10	3.20	6.36
Maru Cube Day Taiwan 2025	First round	165	2.61	DNF	2.61	3.76	DNF	DNF	10.08
Taipei Summer Open 2025	Second round	36	3.54	4.06	3.54	4.11	4.11	4.54	3.97
	First round	16	3.11	3.34	3.21	3.11	3.48	4.31	3.33
BQHS Spring Open 2025	First round	17	1.67	3.52	3.96	4.43	3.01	3.59	1.67
Taoyuan Airport Cube Day 2024	Second round	52	3.98	5.51	7.42	4.17	3.98	4.95	DNF
	First round	27	3.49	4.04	6.86	3.91	4.29	3.92	3.49
Maru Cube Day Taiwan 2024	Second round	39	3.96	4.58	4.98	4.34	4.48	4.93	3.96
	First round	43	3.62	4.54	3.62	4.71	4.41	4.49	6.11
Taipei Summer Open 2024	Second round	52	3.94	4.83	5.66	6.04	4.00	3.94	4.84
	First round	33	2.98	3.89	4.00	2.98	3.59	4.08	4.84
Taichung Open 2024	First round	41	3.60	4.95	4.50	5.17	5.17	3.60	6.83
HCHS Winter Open 2024	First round	46	3.67	6.07	12.79	5.75	3.67	6.20	6.25
Kaohsiung Winter Open 2024	Second round	37	3.82	5.84	3.82	6.01	6.81	11.00	4.70
	First round	34	4.12	5.16	5.45	4.85	4.12	7.49	5.17
Taiwan Championship 2023	First round	104	4.65	5.38	5.61	4.85	6.24	5.67	4.65
4x4x4 Cube
Taiwan Championship 2025	First round	92	38.58	41.73	42.37	40.34	42.48	38.58	49.78
Taoyuan Airport Cube Day 2025	Second round	47	35.56	40.67	43.45	35.56	44.10	41.05	37.51
	First round	54	31.13	42.00	46.24	31.13	44.67	35.73	45.60
Hsinchu Summer Open 2025	First round	34	32.71	40.75	39.80	39.33	43.11	32.71	52.30
Maru Cube Day Taiwan 2025	First round	42	35.35	40.10	41.55	41.68	37.08	47.32	35.35
Taipei Summer Open 2025	First round	53	32.52	39.99	32.52	40.57	41.70	37.71	DNF
BQHS Spring Open 2025	First round	31	35.10	39.54	40.41	35.10	47.61	39.46	38.76
Pingtung Winter Open 2025	First round	51	41.29	47.65	47.55	DNF	44.67	41.29	50.73
Taoyuan Airport Cube Day 2024	Second round	60	48.50	50.59	51.11	48.50	49.25	54.66	51.41
	First round	70	44.38	54.97	54.71	51.12	59.57	44.38	59.09
Maru Cube Day Taiwan 2024	First round	80	49.58	53.48	56.95	49.58	51.40	1:06.85	52.08
Taipei Summer Open 2024	First round	87	49.62	51.45	49.62	50.69	50.07	53.59	1:11.62
Taichung Open 2024	First round	75	1:01.64		1:01.64	1:06.16
HCHS Winter Open 2024	First round	57	1:03.84	1:10.15	1:11.67	1:03.84	1:11.88	1:21.66	1:06.91
Kaohsiung Winter Open 2024	First round	59	1:18.81		1:23.97	1:18.81
5x5x5 Cube
Taiwan Championship 2025	First round	92	1:11.40	1:17.27	1:26.42	1:19.27	1:13.25	1:11.40	1:19.28
Taoyuan Airport Cube Day 2025	Second round	54	1:13.70	1:22.12	1:25.15	1:16.69	1:24.52	1:13.70	1:25.23
	First round	51	1:10.20	1:17.85	1:16.96	1:18.91	1:17.67	1:19.42	1:10.20
Big and Round Taichung 2025	First round	45	1:16.32	1:22.71	1:23.18	1:16.32	1:21.99	1:27.05	1:22.96
Maru Cube Day Taiwan 2025	First round	56	1:19.51	1:23.68	1:22.09	1:19.51	1:21.91	1:28.90	1:27.05
Taipei Summer Open 2025	First round	71	1:12.19	1:22.86	1:21.75	1:12.19	1:23.86	1:26.83	1:22.96
Zhongshan Open 2025	First round	47	1:19.04	1:25.93	1:28.34	1:27.26	1:19.04	1:28.75	1:22.19
Pingtung Winter Open 2025	First round	51	1:19.66	1:27.51	1:32.35	1:29.55	1:24.96	1:19.66	1:28.01
Taoyuan Airport Cube Day 2024	First round	71	1:51.03		1:55.97	1:51.03
Maru Cube Day Taiwan 2024	First round	89	1:53.82		1:53.82	2:18.79
Taipei Summer Open 2024	First round	81	1:51.31		2:49.21	1:51.31
6x6x6 Cube
Taiwan Championship 2025	First round	84	2:49.51		2:49.51
Maru Cube Day Taiwan 2025	First round	44	3:03.38		3:03.38
Taipei Summer Open 2025	First round	56	3:14.76		3:14.76
Pingtung Winter Open 2025	First round	38	4:28.06		4:28.06
3x3x3 One-Handed
Taiwan Championship 2025	First round	70	19.44	23.36	21.65	19.44	27.14	25.32	23.12
Hsinchu Summer Open 2025	First round	28	18.99	21.30	20.94	18.99	22.86	20.15	22.82
Maru Cube Day Taiwan 2025	First round	26	14.49	19.33	14.49	16.68	18.79	22.51	23.62
Taipei Summer Open 2025	First round	41	17.43	20.46	19.51	19.00	22.87	25.33	17.43
BQHS Spring Open 2025	First round	24	16.64	19.59	22.47	16.64	19.15	24.29	17.15
Pingtung Winter Open 2025	First round	39	20.11	23.15	22.71	20.11	23.37	23.76	23.36
Maru Cube Day Taiwan 2024	First round	55	23.12	26.91	26.32	23.12	27.28	27.14	35.20
Taipei Summer Open 2024	First round	50	21.42	23.40	29.77	21.42	23.03	24.55	22.62
Taichung Open 2024	Final	61	35.22		35.22	42.48
Kaohsiung Winter Open 2024	First round	40	29.16	33.61	59.99	32.26	39.12	29.46	29.16
Clock
Taiwan Championship 2025	Final	3	4.38	5.48	4.38	7.72	7.20	4.43	4.81
	First round	5	4.06	4.93	5.01	4.06	5.01	4.77	15.88
Big and Round Taichung 2025	Final	2	4.00	4.65	7.55	4.28	4.60	5.07	4.00
	Second round	3	4.51	4.77	4.51	5.42	4.66	4.99	4.65
	First round	8	4.94	5.95	4.94	6.16	5.80	6.89	5.90
Taipei Summer Open 2025	Final	3	4.62	4.81	4.62	4.94	4.70	4.79	6.79
	First round	4	4.58	5.17	5.70	4.80	5.01	8.94	4.58
Zhongshan Open 2025	Final	14	4.61	DNF	DNF	4.61	DNF	6.30	DNF
	First round	3	4.75	5.08	5.09	4.93	5.21	4.75	5.44
Taipei Summer Open 2024	First round	22	7.98	10.19	9.86	10.09	11.78	10.61	7.98
Taichung Open 2024	First round	29	11.91	14.34	14.08	14.63	14.32	14.72	11.91
Megaminx
Taiwan Championship 2025	First round	77	1:36.01		1:39.07	1:36.01
Big and Round Taichung 2025	First round	24	1:20.10	1:28.46	1:28.82	1:20.10	1:37.68	1:29.59	1:26.96
Maru Cube Day Taiwan 2025	First round	32	1:21.42	1:29.97	1:21.42	1:33.42	1:41.87	1:34.20	1:22.29
Taipei Summer Open 2025	First round	50	1:33.83		2:11.12	1:33.83
Zhongshan Open 2025	First round	31	1:54.91		1:54.91	2:10.57
Pingtung Winter Open 2025	First round	29	1:30.15		2:19.36	1:30.15
Maru Cube Day Taiwan 2024	First round	43	2:04.98		2:37.73	2:04.98
Taipei Summer Open 2024	First round	52	1:49.59		1:49.59	2:17.41
Pyraminx
Taiwan Championship 2025	First round	18	4.12	4.66	7.85	4.55	4.43	4.12	5.01
Taoyuan Airport Cube Day 2025	Final	12	3.86	6.52	6.23	8.43	DNF	4.89	3.86
	Second round	9	3.36	4.17	4.12	4.82	3.36	3.74	4.66
	First round	7	3.13	4.19	4.35	3.83	4.40	3.13	6.38
Maru Cube Day Taiwan 2025	Final	11	3.69	5.54	6.32	6.01	3.69	4.28	6.96
	Second round	12	3.91	4.02	3.93	DNF	3.91	3.91	4.22
	First round	9	3.45	3.87	3.50	3.45	3.95	4.15	5.14
Taipei Summer Open 2025	First round	17	3.85	4.63	4.29	5.00	4.60	12.19	3.85
Pingtung Winter Open 2025	Final	10	3.47	4.24	3.47	3.51	4.98	4.38	4.83
	Second round	11	3.79	5.02	DNF	4.88	3.79	5.87	4.32
	First round	9	4.20	4.63	4.34	5.64	4.31	4.20	5.24
Taoyuan Airport Cube Day 2024	Final	7	3.90	4.77	3.90	4.79	9.69	4.97	4.54
	Second round	6	2.40	4.69	5.14	4.40	2.40	4.53	5.35
	First round	22	5.09	6.73	7.79	5.09	5.24	7.16	8.76
Maru Cube Day Taiwan 2024	Second round	19	3.99	5.95	8.04	3.99	4.44	7.84	5.58
	First round	20	3.35	5.30	5.07	13.22	5.42	5.40	3.35
Taipei Summer Open 2024	Second round	19	4.20	5.32	6.58	5.40	4.31	6.25	4.20
	First round	37	6.29	6.89	6.29	6.66	7.51	6.49	9.64
Taichung Open 2024	First round	30	7.85	8.83	8.07	7.85	10.32	8.67	9.76
Kaohsiung Winter Open 2024	First round	21	5.63	7.71	6.86	8.89	8.44	5.63	7.84
Taiwan Championship 2023	First round	52	8.32	8.71	8.88	8.82	8.32	8.42	11.17
Skewb
Taiwan Championship 2025	First round	60	7.45	8.35	8.06	10.31	7.45	8.28	8.71
Taoyuan Airport Cube Day 2025	Second round	41	6.61	9.65	15.86	11.76	6.61	9.07	8.13
	First round	41	7.58	10.23	7.58	7.72	9.66	13.30	14.63
Hsinchu Summer Open 2025	First round	21	5.26	7.74	7.54	5.26	7.76	19.73	7.93
Maru Cube Day Taiwan 2025	Second round	33	4.40	7.95	13.68	11.73	4.40	5.89	6.22
	First round	37	6.67	8.44	6.67	8.20	10.03	8.19	8.92
Taipei Summer Open 2025	Second round	45	4.93	7.86	4.93	6.58	9.40	7.61	9.60
	First round	45	3.40	7.58	10.14	3.40	6.95	7.40	8.40
Pingtung Winter Open 2025	Second round	27	6.23	8.00	6.54	7.99	6.23	9.60	9.48
	First round	28	5.10	7.34	5.10	6.76	7.78	9.25	7.47
Taoyuan Airport Cube Day 2024	Second round	42	7.12	9.35	7.12	8.79	11.76	DNF	7.50
	First round	38	6.62	8.92	7.11	6.62	26.19	9.15	10.49
Maru Cube Day Taiwan 2024	Second round	44	6.73	9.47	6.73	11.83	8.54	11.87	8.03
	First round	56	5.11	9.31	11.46	12.54	5.11	8.81	7.65
Taipei Summer Open 2024	Second round	35	6.99	7.96	7.94	8.81	13.57	7.12	6.99
	First round	59	7.03	10.57	9.99	10.67	12.02	11.06	7.03
HCHS Winter Open 2024	Final	14	4.38	7.81	6.50	6.08	10.86	4.38	14.02
	First round	15	4.83	7.49	8.42	8.13	5.92	4.83	9.88
Taiwan Championship 2023	First round	57	8.86	10.37	9.09	9.93	8.86	12.09	13.13
Square-1
Taiwan Championship 2025	First round	60	32.43		32.44	32.43
Taoyuan Airport Cube Day 2025	First round	34	18.31	33.40	52.01	18.31	30.80	33.24	36.16
Pingtung Winter Open 2025	First round	26	37.70		37.70	38.37