Kai Yamamoto (山本快)

Region	WCA ID	Gender	Competitions	Completed Solves
Japan	2021YAMA01	Male	34	504

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	165	3937	10918	8.62	9.77	7144	2662	107
2x2x2 Cube	55	1969	8256	1.97	2.72	2986	793	26
4x4x4 Cube	31	745	2157	29.77	36.27	2873	1017	47
5x5x5 Cube	52	1102	3160	1:04.62	1:09.70	2669	951	50
6x6x6 Cube	26	515	1461	1:54.49	2:02.59	1415	501	26
7x7x7 Cube	49	964	2782	3:32.29	3:38.60	2494	871	46
3x3x3 Blindfolded	35	278	834	41.28	59.65	747	232	28
3x3x3 Fewest Moves	5	27	95	20	23.67	144	43	13
3x3x3 One-Handed	15	360	1087	10.70	13.25	876	317	15
Clock	6	133	612	3.80	5.04	701	161	5
Megaminx	37	486	1894	51.47	55.08	1477	378	32
Pyraminx	24	535	2101	2.28	5.06	4797	1435	64
Skewb	45	1489	6037	3.63	6.65	7959	2196	78
Square-1	31	469	2102	11.35	16.33	2342	553	40
4x4x4 Blindfolded	14	109	357	4:21.22	5:17.37	166	48	6
5x5x5 Blindfolded	16	90	281	11:21.00
3x3x3 Multi-Blind	13	85	379	14/14 51:40

Medal Collection

Gold	Silver	Bronze
0	1	2

Results
Map

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Kanto Spring 2026	First round	39	10.77	11.58	10.96	12.18	11.79	12.00	10.77
Otsu Biwako Spring 2026	First round	13	9.84	10.81	10.55	10.58	9.84	11.30	12.37
Tokyo Spring 2026	Second round	28	10.15	10.60	10.89	10.45	13.79	10.45	10.15
	First round	32	10.37	11.40	12.21	10.37	13.30	11.43	10.55
Katano Spring 2026	First round	51	9.92	12.28	11.02	13.80	9.92	12.02	13.90
Kanto Winter 2026	First round	31	10.58	11.18	10.97	10.94	10.58	11.62	12.76
Kanto Spring 2025	First round	37	9.21	11.76	11.82	11.25	12.21	9.21	14.10
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
Tokyo Spring 2026	Final	7	1.97	2.72	2.00	3.28	DNF	1.97	2.89
	First round	8	1.97	2.86	1.97	2.96	3.87	2.62	3.01
Shonan AM 2024	Final	6	2.28	3.52	5.76	4.62	2.28	3.04	2.90
4x4x4 Cube
Kansai BLD Summer 2026	Final	10	29.77	39.80	29.77	48.20	38.55	42.01	38.85
Katano Spring 2026	First round	18	32.14	36.27	40.74	34.16	33.90	44.77	32.14
Kanto Winter 2026	First round	15	34.41	36.85	36.02	34.41	37.23	37.42	37.31
Kanazawa 2024	First round	17	38.69	42.21	44.16	38.69	43.23	39.24	48.41
5x5x5 Cube
Katano Spring 2026	First round	21	1:04.62	1:09.70	1:15.43	1:14.92	1:09.47	1:04.70	1:04.62
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
Katano Spring 2026	First round	18	1:54.49	2:02.59	2:04.73	1:54.49	2:08.55
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
Kansai BLD Summer 2026	Final	8	45.53	DNF	DNF	45.53	1:07.38	DNF	DNF
	First round	5	41.28	1:06.72	1:50.71	1:02.93	41.28	56.21	1:21.02
Tokyo BLD Spring 2026	Final	17	44.64	DNF	1:32.80	DNF	56.87	44.64	DNF
	Second round	19	51.64	DNF	51.64	DNF	DNF	1:10.27	1:09.02
	First round	21	53.84	DNF	DNF	53.84	DNF	1:08.61	DNF
Kanto Winter 2026	First round	14	47.84	1:10.33	47.84	DNF	56.86	58.52	1:35.60
Tokyo BLD Spring 2025	First round	18	54.67	59.65	1:08.62	55.66	54.67
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 FMC Spring 2026	Final	8	20	23.67	26	25	20
	First round	6	21	23.67	21	24	26
Tokyo FMC Spring 2025	Final	11	23	24.67	23	28	23
	First round	7	25	26.33	27	27	25
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
Katano Spring 2026	Final	14	12.82	15.76	12.82	14.42	18.58	14.29	34.44
	First round	7	12.15	13.25	16.07	13.61	12.56	13.57	12.15
Kanto Spring 2025	Final	8	10.70	14.19	14.45	14.24	13.89	17.83	10.70
	First round	6	11.95	13.34	18.01	13.11	13.87	11.95	13.04
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
Otsu Biwako Spring 2026	Final	3	4.77	5.04	5.19	4.77	4.91	11.67	5.02
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
Kanto Spring 2026	First round	14	52.97	55.08	55.06	52.97	56.74	1:05.60	53.44
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
Kansai BLD Summer 2026	Final	9	3.46	5.98	5.23	8.14	7.50	5.20	3.46
Kanto Spring 2026	First round	11	2.85	5.06	6.08	2.85	5.38	4.41	5.38
Otsu Biwako Spring 2026	First round	16	4.38	6.48	4.38	7.05	7.54	4.84	14.82
Tokyo Spring 2026	Final	7	4.20	5.16	4.20	5.56	5.13	6.34	4.79
	First round	9	3.50	5.40	6.18	4.80	6.18	5.23	3.50
Katano Spring 2026	First round	28	5.13	6.69	5.13	8.06	6.44	DNF	5.56
Kanto Spring 2025	Final	23	3.12	8.58	DNF	3.12	15.21	4.45	6.09
	First round	11	2.28	5.12	4.96	2.28	5.55	12.66	4.84
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
Otsu Biwako Spring 2026	First round	15	5.44	6.65	8.04	6.36	5.44	5.55	8.98
Kanto Winter 2026	First round	21	5.10	7.74	5.10	7.21	8.57	7.43	8.91
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
Kanto Spring 2026	First round	16	17.95	19.39	18.17	17.95	21.23	21.30	18.76
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
Kansai BLD Summer 2026	Final	5	6:16.99	DNF	DNF	DNF	6:16.99
	First round	5	4:58.80	5:17.37	5:39.88	5:13.42	4:58.80
Tokyo BLD Spring 2026	Final	8	4:21.22	DNF	4:21.22	DNF	DNF
Tokyo BLD Spring 2025	Final	7	4:31.48	DNF	DNF	4:31.48	DNF
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
Kansai BLD Summer 2026	Final	6	DNF	DNF	DNF	DNF	DNF
	First round	6	14:48.00	DNF	14:48.00	DNF	DNF
Tokyo BLD Spring 2026	Final	8	11:21.00	DNF	11:21.00	DNF	DNF
Tokyo BLD Spring 2025	Final	8	13:44.00	DNF	13:44.00	DNF	DNF
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
Tokyo BLD Winter 2026	Final	13	10/17 1:00:00		10/17 1:00:00
	First round	5	14/14 51:40		14/17 58:05	14/14 51:40
Tokyo BLD Spring 2025	Final	7	8/10 44:27		8/10 44:27
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