Kai Yamamoto (山本快)

Region	WCA ID	Gender	Competitions	Completed Solves
Japan	2021YAMA01	Male	22	307

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	126	3122	8942	8.62	9.77	5704	2012	83
2x2x2 Cube	68	2519	10407	2.28	3.52	6987	1826	57
4x4x4 Cube	78	2458	6950	38.69	42.21	5282	1879	57
5x5x5 Cube	46	1218	3523	1:09.88	1:12.34	2469	859	38
6x6x6 Cube	33	711	2137	2:12.22	2:18.32	1910	630	30
7x7x7 Cube	34	747	2181	3:32.29	3:38.60	1932	668	30
3x3x3 Blindfolded	57	412	1235	59.47	1:19.44	910	276	32
3x3x3 Fewest Moves	47	346	1478	30	38.67	2063	509	54
3x3x3 One-Handed	16	398	1282	11.48	14.31	1117	388	15
Clock	5	72	407	3.80	5.08	480	106	5
Megaminx	27	388	1500	51.47	57.08	1389	363	27
Pyraminx	82	2831	10641	4.43	5.48	5030	1464	51
Skewb	39	1288	5071	3.63	6.70	6927	1941	61
Square-1	24	376	1776	11.35	16.33	1980	456	31
4x4x4 Blindfolded	19	125	446	5:37.18	9:07.40	279	68	6
5x5x5 Blindfolded	18	101	355	14:33.00
3x3x3 Multi-Blind	49	313	1237	9/12 58:55

Gold	Silver	Bronze
0	1	1

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Tokai Spring 2025	Final	13	9.55	10.02	10.31	9.55	11.52	9.81	9.93
	First round	18	8.99	9.77	9.08	10.20	14.66	8.99	10.02
Shonan AM 2024	Final	10	8.76	10.21	9.45	10.50	8.76	12.72	10.69
Tokai Open AM 2024	Final	16	8.92	10.92	11.23	8.92	9.27	13.89	12.26
Kanazawa 2024	Second round	28	9.94	10.96	11.93	10.23	12.94	9.94	10.71
	First round	25	10.36	10.93	11.76	11.94	10.39	10.63	10.36
Tokyo Challenge VIII 2023	Final	9	9.67	10.64	10.06	10.33	9.67	11.70	11.54
Otsu Biwako Autumn 2023	First round	26	10.74	12.21	10.74	12.72	13.14	12.99	10.93
Rubik's WCA World Championship 2023	First round	552	10.01	12.10	10.01	11.93	13.78	12.60	11.77
Ayase Summer 2023	First round	35	11.13	12.67	11.98	11.42	14.61	16.30	11.13
Hiroshima Spring 2023	First round	28	8.62	11.58	8.62	11.37	10.52	13.26	12.86
Tokyo Challenge Winter C 2023	Final	4	10.43	11.49	12.86	10.97	10.64	10.43	14.45
Ayase Autumn B 2022	Second round	26	10.60	13.10	10.60	14.28	12.39	14.55	12.63
	First round	26	11.81	13.15	12.60	11.93	17.28	11.81	14.92
Minatomirai 2022	Final	32	10.99	12.32	12.94	11.90	10.99	17.55	12.13
	First round	30	10.89	12.39	10.89	11.07	12.09	14.01	14.40
Tokai Winter PM 2021	Final	14	11.30	12.96	13.94	12.04	11.30	DNF	12.89
2x2x2 Cube
Shonan AM 2024	Final	6	2.28	3.52	5.76	4.62	2.28	3.04	2.90
4x4x4 Cube
Kanazawa 2024	First round	17	38.69	42.21	44.16	38.69	43.23	39.24	48.41
5x5x5 Cube
Rubik's WCA World Championship 2023	First round	201	1:09.88	1:12.34	1:12.84	1:10.63	1:17.12	1:13.56	1:09.88
Ayase Summer 2023	First round	17	1:12.29	1:15.55	1:15.54	1:20.64	1:12.29	1:16.98	1:14.14
Ayase Autumn B 2022	Final	15	1:11.30	1:15.98	1:11.96	1:13.44	1:24.10	1:11.30	1:22.54
6x6x6 Cube
Ota Spring 2025	First round	13	2:13.38	2:19.68	2:23.65	2:13.38	2:22.01
Rubik's WCA World Championship 2023	First round	154	2:12.22	2:18.32	2:26.15	2:16.60	2:12.22
Ayase Autumn B 2022	Final	12	2:21.90	2:32.38	2:35.47	2:21.90	2:39.78
7x7x7 Cube
Tokai Spring 2025	First round	17	3:32.29	3:38.60	3:43.16	3:40.34	3:32.29
Ota Blind Summer 2023	Final	9	3:35.32	3:44.16	3:41.90	3:35.32	3:55.27
3x3x3 Blindfolded
Kanazawa 2024	Final	13	59.47	DNF	59.47	1:06.33	DNF
Rubik's WCA World Championship 2023	First round	102	1:10.13	1:19.44	1:32.25	1:15.95	1:10.13
Ota Blind Summer 2023	Second round	13	1:27.52	2:01.43	1:27.52	2:10.06	2:26.72
	First round	21	1:33.30	1:48.82	1:40.81	1:33.30	2:12.35
Tokyo Challenge BLD I 2023	Final	18	2:58.65	DNF	DNF	2:58.65	DNF
Hiroshima Spring 2023	Final	8	1:11.93	DNF	1:11.93	1:29.99	DNF
Ota Blind Summer 2022	Final	16	1:47.57	DNF	DNF	2:43.33	1:47.57
	First round	20	1:50.93	2:05.36	1:50.93	2:06.10	2:19.06
Minatomirai 2022	Final	12	1:41.41	2:13.80	1:41.41	2:24.64	2:35.34
3x3x3 Fewest Moves
Tokyo Open FMC Winter 2025	Final	25	30	DNF	DNF	30	37
Ayase FMC 2023	Final	14	37	38.67	42	37	37
3x3x3 One-Handed
Tokai Open AM 2024	Final	7	12.98	14.50	14.79	15.29	14.06	12.98	14.66
	First round	9	13.54	16.63	19.37	13.54	15.86	DNF	14.66
Otsu Biwako Autumn 2023	Final	7	13.71	14.68	13.71	16.50	14.57	15.71	13.75
	First round	6	11.48	14.31	13.31	11.48	18.88	15.40	14.22
Rubik's WCA World Championship 2023	First round	192	14.86	18.00	20.89	18.20	17.75	14.86	18.05
Ayase Summer 2023	Final	7	13.94	15.94	20.08	14.51	13.94	16.28	17.02
	First round	10	12.72	17.14	18.29	12.72	16.31	19.52	16.83
Minatomirai 2022	Final	11	15.42	17.45	18.43	17.34	15.42	16.57	18.62
Clock
Tokai Spring 2025	Final	16	4.71	DNF	6.95	DNF	4.91	DNF	4.71
	First round	3	3.80	5.35	5.11	6.08	6.08	3.80	4.86
Tokai Challenge Gamma 2024	Final	6	4.01	6.36	4.01	9.39	6.82	4.28	7.98
	First round	3	4.28	5.08	5.44	4.85	6.78	4.95	4.28
Ota Blind New Year 2024	Final	2	5.14	5.51	7.25	5.14	5.36	5.56	5.61
Megaminx
Ota Spring 2025	Final	10	51.47	57.53	51.47	1:01.02	56.82	54.74	1:05.04
	First round	12	53.42	57.08	1:01.46	1:06.87	54.97	54.82	53.42
Rubik's WCA World Championship 2023	First round	185	58.56	1:09.91	1:20.35	1:02.86	1:06.53	1:21.60	58.56
Ayase Summer 2023	First round	21	1:08.71	1:13.27	1:10.78	1:08.71	1:19.17	1:28.02	1:09.85
Hiroshima Spring 2023	Final	21	1:07.44	1:18.04	1:12.93	1:26.08	1:20.60	1:20.60	1:07.44
Ayase Autumn B 2022	First round	17	1:14.39	1:34.47	1:30.53	1:49.70	1:14.39	1:51.73	1:23.18
Pyraminx
Otsu Biwako Autumn 2023	Final	9	4.43	5.51	6.35	4.73	4.43	DNF	5.45
Rubik's WCA World Championship 2023	First round	178	5.20	5.56	5.20	5.60	5.58	5.50	6.20
Hiroshima Spring 2023	Final	6	4.58	5.48	8.89	5.22	5.50	4.58	5.71
	First round	9	4.74	6.11	9.19	4.74	4.80	7.93	5.60
Skewb
Tokai Spring 2025	First round	21	5.63	7.51	8.93	7.43	6.17	9.59	5.63
Ota Spring 2025	First round	16	5.35	6.90	5.35	7.53	6.85	6.31	8.96
Rubik's WCA World Championship 2023	First round	201	3.63	6.70	7.47	3.63	9.70	6.54	6.08
Hiroshima Spring 2023	Final	16	5.48	9.10	6.30	18.15	10.61	5.48	10.39
Minatomirai 2022	Final	12	6.52	7.59	9.46	7.98	6.52	7.36	7.42
Square-1
Ota Spring 2025	First round	14	15.92	17.36	16.55	22.76	15.92	19.47	16.06
Otsu Biwako Autumn 2023	Final	12	11.35	16.33	21.87	19.20	13.76	16.04	11.35
4x4x4 Blindfolded
Rubik's WCA World Championship 2023	Final	28	5:37.18	DNF	DNF	DNF	5:37.18
Ota Blind Summer 2023	Final	10	8:46.14	9:07.40	9:13.33	8:46.14	9:22.72
Ota Blind Winter 2022	Final	7	9:10.23	DNF	DNF	DNF	9:10.23
5x5x5 Blindfolded
Ota Blind New Year 2024	Final	3	14:33.00	DNF	14:33.00	DNF	DNF
Rubik's WCA World Championship 2023	Final	24	18:10.00	DNF	18:10.00	DNF	DNS
Ota Blind Winter 2022	Final	9	20:20.00	DNF	DNF	20:20.00	DNS
3x3x3 Multi-Blind
Ota Blind New Year 2024	Final	11	9/12 58:55		9/12 58:55
Ota Blind Winter 2022	Final	16	2/3 15:32		2/3 15:32

Current Personal Records

Medal Collection