Koen Roos

Region	WCA ID	Gender	Competitions	Completed Solves
Netherlands	2020ROOS01	Male	14	460

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	65	1712	6120	7.68	9.17	4814	1258	48
2x2x2 Cube	44	1135	2941	1.37	2.74	3075	1040	38
4x4x4 Cube	82	2294	7970	38.09	43.23	7419	2093	84
5x5x5 Cube	114	2739	9317	1:25.39	1:34.74	9259	2695	111
3x3x3 One-Handed	96	3112	11620	18.46	22.90	11638	3019	94
Pyraminx	138	3694	10642	4.16	7.36	13624	4570	150
Skewb	151	3908	11166	4.67	6.49	7434	2564	94
Square-1	3	36	127	5.60	11.63	829	276	13

Results
Map

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Meppel Mayhem 2026	Final	15	7.68	9.81	10.52	7.68	11.95	8.90	10.00
	Second round	17	8.62	10.25	10.23	8.62	8.92	11.88	11.59
	First round	24	9.78	11.57	11.16	12.77	10.79	9.78	13.13
Arnhem Open 2025	Semi Final	17	9.92	10.57	10.54	11.43	9.92	10.81	10.35
	Second round	31	8.45	11.12	8.45	9.85	DNF	12.44	11.07
	First round	17	8.23	10.04	10.06	8.23	10.59	9.47	10.68
Rubik's WCA European Championship 2024	Second round	358	10.09	11.02	11.64	10.62	10.09	13.25	10.80
	First round	257	9.15	9.80	9.31	9.15	9.74	10.52	10.34
Lente Spring 2024	Second round	34	8.61	11.08	11.48	8.61	14.93	12.04	9.73
	First round	47	9.06	12.09	13.59	10.05	9.06	15.93	12.64
Dutch Nationals 2023	Second round	44	9.65	11.58	13.20	9.65	10.80	11.22	12.72
	First round	45	10.84	11.79	11.19	12.24	10.84	11.94	12.95
Amsterdam Open 2023	Second round	22	8.86	10.52	9.57	10.18	8.86	11.82	12.00
	First round	19	8.77	10.28	8.77	9.83	10.14	11.47	10.88
Dutch Open 2023	Second round	20	8.57	9.86	11.52	8.57	9.80	10.03	9.76
	First round	31	9.08	11.00	11.27	DNF	12.10	9.08	9.62
Capelle Cubing 2023	Second round	13	8.05	9.17	10.81	9.07	9.54	8.05	8.90
	First round	26	9.88	11.20	9.88	10.87	10.36	12.36	14.72
Ermelo Cubing A 2023	Second round	20	8.90	10.67	13.30	8.90	9.73	11.90	10.38
	First round	20	10.06	10.79	10.06	11.66	12.21	10.26	10.45
Kampen Open 2023	Second round	19	9.15	10.79	11.07	9.69	11.71	9.15	11.62
	First round	24	10.08	11.20	10.66	11.57	10.08	11.37	13.62
Dutch Nationals 2022	Second round	49	10.11	12.22	12.23	12.25	12.19	10.11	13.28
	First round	47	10.38	12.66	11.65	13.33	13.01	10.38	15.52
Dutch Spring 2022	Second round	27	9.07	11.83	12.77	10.92	9.07	15.61	11.80
	First round	27	10.26	11.57	10.26	11.60	11.09	12.29	12.02
Veenendaal Open 2020	Second round	29	11.48	13.48	14.35	13.20	13.77	13.47	11.48
	First round	28	12.37	13.29	12.66	13.36	18.92	13.84	12.37
Star Cubing Nijmegen 2020	Second round	33	11.91	14.59	15.42	11.91	19.69	14.87	13.48
	First round	46	14.18	15.92	14.56	16.78	14.18	16.43	16.81
2x2x2 Cube
Meppel Mayhem 2026	Final	28	2.93	4.93	4.55	4.31	8.64	2.93	5.92
	First round	22	3.61	4.10	3.84	4.35	3.61	5.76	4.11
Arnhem Open 2025	Final	11	2.68	3.11	3.17	4.83	2.68	2.89	3.28
	Second round	12	1.61	2.74	2.68	3.24	1.61	2.90	2.65
	First round	18	3.11	3.54	3.83	3.51	3.11	3.28	5.48
Rubik's WCA European Championship 2024	First round	510	2.15	4.50	3.88	2.15	6.79	6.52	3.11
Amsterdam Open 2023	Final	14	2.91	3.39	5.22	3.79	3.42	2.91	2.95
	First round	19	3.01	3.68	6.53	3.67	3.40	3.01	3.96
Capelle Cubing 2023	Final	14	1.37	3.39	1.37	4.50	3.45	2.22	5.92
Ermelo Cubing A 2023	Final	19	2.20	4.37	4.67	4.99	2.20	5.46	3.45
	First round	18	2.78	4.19	3.85	2.78	4.88	3.83	9.10
Dutch Spring 2022	Final	14	3.22	5.26	4.62	6.79	4.36	3.22	7.11
	First round	11	2.30	3.83	4.32	3.59	2.30	3.58	4.91
Veenendaal Open 2020	First round	34	4.66	5.08	5.21	4.66	5.44	4.92	5.11
Star Cubing Nijmegen 2020	Final	39	4.21	5.50	5.33	5.85	5.32	7.82	4.21
	First round	54	2.50	6.27	7.81	6.46	7.26	5.10	2.50
4x4x4 Cube
Arnhem Open 2025	Final	16	41.35	46.04	41.35	51.16	43.30	46.99	47.83
	First round	14	38.09	43.23	46.92	41.48	59.79	38.09	41.29
Rubik's WCA European Championship 2024	First round	427	40.47	47.72	53.89	40.47	47.85	48.88	46.43
Lente Spring 2024	Final	27	44.01	49.59	44.01	46.59	51.10	51.07	1:39.04
Ermelo Cubing A 2023	Final	18	44.35	48.03	47.52	47.21	44.35	59.12	49.35
Kampen Open 2023	Final	24	48.54	52.75	53.66	59.37	54.19	50.40	48.54
Dutch Spring 2022	Final	26	47.31	50.94	49.52	47.98	55.31	47.31	56.22
Veenendaal Open 2020	First round	28	45.96	57.65	45.96	1:00.17	58.46	55.26	59.23
Star Cubing Nijmegen 2020	Final	30	52.13	55.98	52.13	54.31	56.56	1:00.28	57.08
	First round	37	55.91	58.92	55.98	59.99	1:00.80	55.91	1:04.81
5x5x5 Cube
Arnhem Open 2025	First round	53	1:38.60	1:57.37	1:53.45	2:11.74	2:16.00	1:46.91	1:38.60
Dutch Open 2023	Final	25	1:30.48	1:34.78	1:30.48	1:32.31	1:37.87	1:37.71	1:34.31
Ermelo Cubing A 2023	Final	15	1:25.39	1:34.74	1:37.14	1:25.39	1:27.89	1:45.74	1:39.18
Star Cubing Nijmegen 2020	Final	39	2:04.74	2:14.60	2:04.74	2:18.18	2:10.82	2:25.02	2:14.81
	First round	41	1:41.51	2:14.76	2:33.07	1:41.51	2:12.39	2:11.56	2:20.32
3x3x3 Fewest Moves
Dutch Open 2023	Final	32	DNF		DNF
3x3x3 One-Handed
Arnhem Open 2025	Final	27	19.30	23.76	22.11	21.27	19.30	27.90	28.32
Rubik's WCA European Championship 2024	First round	447	18.71	25.00	27.33	25.38	24.56	25.06	18.71
Lente Spring 2024	Final	40	24.78	27.03	27.15	24.78	25.39	29.44	28.56
Amsterdam Open 2023	Final	27	24.44	24.89	24.44	25.09	28.14	24.95	24.63
Dutch Open 2023	Final	20	18.46	22.90	18.46	24.01	24.82	21.82	22.88
Capelle Cubing 2023	Final	30	25.46	27.22	27.44	35.46	25.46	26.96	27.26
Dutch Nationals 2022	First round	63	31.77	36.82	54.00	37.95	36.66	31.77	35.85
Pyraminx
Arnhem Open 2025	Final	32	4.16	7.36	14.03	6.37	9.23	4.16	6.49
	First round	70	6.99	9.58	14.27	9.86	10.31	6.99	8.57
Rubik's WCA European Championship 2024	First round	705	10.28		12.81	10.28
Capelle Cubing 2023	Final	36	5.28	7.99	13.78	7.94	5.28	5.39	10.64
Dutch Spring 2022	Final	49	8.12	10.48	11.27	15.44	10.58	9.58	8.12
Skewb
Meppel Mayhem 2026	Final	16	5.63	6.49	6.29	5.91	7.27	53.42	5.63
	First round	39	6.16	9.55	8.27	10.48	9.90	15.54	6.16
Arnhem Open 2025	Final	23	5.50	7.36	8.15	7.12	5.50	8.98	6.82
	First round	32	6.05	8.09	11.60	6.05	9.35	7.13	7.79
Rubik's WCA European Championship 2024	First round	304	4.90	6.75	13.38	4.90	7.26	7.34	5.64
Lente Spring 2024	Final	31	6.56	7.98	8.44	8.91	8.93	6.56	6.58
Amsterdam Open 2023	Final	37	5.82	9.11	5.82	9.35	9.42	12.93	8.56
Dutch Spring 2022	Final	21	4.67	8.38	8.71	4.67	8.22	8.22	11.26
Star Cubing Nijmegen 2020	Final	35	9.25	10.94	11.26	11.76	9.25	15.89	9.80
	First round	40	8.20	10.50	11.67	8.20	12.77	9.20	10.62
Square-1
Arnhem Open 2025	Final	5	13.05	14.74	14.71	13.05	15.66	22.51	13.84
	First round	5	12.72	13.85	12.72	14.03	13.01	14.94	14.51
Rubik's WCA European Championship 2024	Second round	106	13.05	16.39	16.41	13.05	16.89	16.84	15.91
	First round	104	11.12	13.47	11.12	19.26	15.02	11.24	14.15
Dutch Nationals 2023	Final	10	10.56	16.09	14.77	15.07	10.56	18.42	20.90
Dutch Open 2023	Final	5	5.60	11.63	15.88	13.59	9.53	11.78	5.60
Capelle Cubing 2023	Final	9	10.78	13.92	17.56	15.59	13.79	10.78	12.38
	First round	7	11.76	15.85	16.12	14.46	11.76	16.96	42.41
Ermelo Cubing A 2023	Final	6	10.13	15.37	12.02	25.79	10.13	18.40	15.70
Dutch Nationals 2022	Final	10	10.91	16.41	15.79	10.91	16.29	17.15	27.72