WCA ID: 2007VALK01
Country: Netherlands
Active since: 2007

| Competition | Date | Round | Single | Average | Position |
|---|---|---|---|---|---|
| Dutch Nationals 2024 | 15/11/2024 | Final | 1:36.48 | 1:43.25 | #6 |
| Rubik's WCA European Championship 2024 | 25/07/2024 | First round | 1:37.33 | 1:40.88 | #28 |
| Rubik's WCA World Championship 2023 | 12/08/2023 | First round | 1:35.22 | 1:42.31 | #47 |
| Dutch Nationals 2022 | 26/11/2022 | Final | 1:45.38 | 1:47.03 | #1 |
| Westfries Open 2022 | 22/10/2022 | Final | 1:45.17 | 1:46.17 | #1 |
| Rubik's WCA European Championship 2022 | 14/07/2022 | Final | 1:28.03 | 1:38.62 | #5 |
| Seraing Open 2019 | 26/10/2019 | Final | 1:52.86 | 1:54.31 | #2 |
| Dutch Open 2019 | 12/10/2019 | Final | 1:40.70 | 1:48.72 | #1 |
| Dutch Nationals 2019 | 21/09/2019 | Final | 1:42.39 | 1:49.08 | #1 |
| Hoogland Open 2019 | 16/08/2019 | Final | 1:41.65 | 1:47.98 | #1 |
| CubingUSA Nationals 2019 | 01/08/2019 | Final | 1:38.96 | 1:45.22 | #7 |
| WCA World Championship 2019 | 11/07/2019 | Final | 1:34.47 | 1:45.10 | #9 |
| Warm Up Sydney 2019 | 06/07/2019 | Final | 1:39.52 | 1:47.65 | #11 |
| Belarus Nationals 2019 | 15/06/2019 | Final | 1:38.86 | 1:43.40 | #1 |
| Elsass Open 2019 | 18/05/2019 | Final | 1:30.70 | 1:36.53 | #1 |
| London Open 2019 | 11/05/2019 | Final | 1:43.24 | 1:56.93 | #4 |
| Cube Weekend Sint Michielsgestel 2019 | 22/03/2019 | Final | 1:38.18 | 1:45.17 | #1 |
| Denmark & Friends 2019 | 15/03/2019 | Final | 1:50.41 | 2:05.11 | #6 |
| Annuntia Open 2019 | 16/02/2019 | Final | 1:53.46 | 1:57.61 | #2 |
| Weston-super-Mare Open 2018 | 24/11/2018 | Final | 1:35.29 | 1:43.00 | #4 |
| Dutch Open 2018 | 13/10/2018 | Final | 1:54.02 | 1:55.96 | #1 |
| Paris Open 2018 | 06/10/2018 | Final | 1:53.94 | 1:56.03 | #2 |
| Dutch Nationals 2018 | 22/09/2018 | Final | 1:36.95 | 1:42.45 | #1 |
| CubingUSA Nationals 2018 | 27/07/2018 | Final | 1:46.96 | 1:53.11 | #9 |
| WCA European Championship 2018 | 19/07/2018 | Final | 1:41.81 | 1:48.47 | #5 |
| Semey Open 2018 | 08/06/2018 | Final | 1:41.48 | 1:50.91 | #1 |
| Breda Open 2018 | 19/05/2018 | Final | 1:33.26 | 1:47.79 | #1 |
| Elsass Open 2018 | 28/04/2018 | Final | 1:39.86 | 1:48.78 | #2 |
| Assen Open 2018 | 03/03/2018 | Final | 1:51.67 | 1:59.52 | #1 |
| Annuntia Open 2018 | 17/02/2018 | Final | 1:58.40 | 2:05.98 | #2 |
| Dutch Open 2017 | 21/10/2017 | Final | 2:01.49 | 2:06.90 | #2 |
| SCMU 2017 | 01/09/2017 | Final | 1:58.10 | 2:02.48 | #1 |
| China Championship 2017 | 28/07/2017 | Final | 1:47.42 | 1:51.49 | #2 |
| World Rubik's Cube Championship 2017 | 13/07/2017 | Final | 2:01.36 | 2:14.40 | #16 |
| London Open 2017 | 08/07/2017 | Final | 1:58.78 | 2:00.78 | #3 |
| Belgium Summer Open 2017 | 20/05/2017 | Final | 2:08.87 | 2:17.81 | #2 |
| German Open 2017 | 29/04/2017 | Final | 2:10.14 | 2:17.19 | #2 |
| Belgian Winter 2017 | 25/02/2017 | Final | 1:55.64 | 2:06.67 | #1 |
| Dutch Winter 2017 | 06/01/2017 | Final | 1:54.89 | 2:08.70 | #1 |
| Sydney Championship 2016 | 17/12/2016 | Final | 2:12.80 | 2:24.99 | #3 |
| Asian Championship 2016 | 01/10/2016 | Final | 2:06.79 | 2:19.32 | #8 |
| Kaohsiung Open 2016 | 25/09/2016 | Final | 2:00.73 | 2:10.50 | #2 |
| US Nationals 2016 | 29/07/2016 | First round | 2:08.94 | 2:47.22 | #31 |
| European Rubik's Cube Championship 2016 | 15/07/2016 | Final | 2:13.33 | 2:27.66 | #14 |
| Cubelonia 2016 | 09/01/2016 | Final | 2:25.91 | 2:31.31 | #5 |
| China Championship 2015 | 02/10/2015 | Final | 2:09.19 | 2:15.08 | #3 |
| World Rubik's Cube Championship 2015 | 17/07/2015 | Final | 2:00.17 | 2:16.77 | #5 |
| TCG & Friends 2015 | 11/07/2015 | Final | 2:23.89 | 2:32.64 | #5 |
| TCG & Friends Arequipa 2015 | 08/07/2015 | Final | 2:15.79 | 3:07.33 | #5 |
| Rubik's Cube European Championships 2014 | 08/08/2014 | Final | 2:12.34 | 2:15.12 | #3 |
| US Nationals 2014 | 01/08/2014 | Final | 2:16.83 | — | #14 |
| MPEI Open 2013 | 23/11/2013 | Final | 2:07.40 | 2:13.83 | #1 |
| Twente Open 2013 | 16/11/2013 | Final | 2:30.05 | 2:54.46 | #2 |
| Dutch Open 2013 | 19/10/2013 | Final | 2:31.55 | 2:48.21 | #1 |
| World Rubik's Cube Championship 2013 | 26/07/2013 | Final | 2:27.05 | 2:27.98 | #8 |
| 1 AVG competition 2013 | 01/04/2013 | Final | 3:11.06 | 3:31.63 | #2 |
| Zonhoven Open 2013 | 02/03/2013 | Final | 2:32.94 | 4:04.75 | #6 |
| European Rubik's Cube Championship 2012 | 12/10/2012 | Final | 2:22.22 | 2:34.50 | #5 |
| N8W8 Summer 2012 | 25/08/2012 | Final | 2:15.59 | 2:38.03 | #1 |
| German Open 2012 | 14/04/2012 | Final | 2:56.11 | 3:29.96 | #2 |
| German Nationals 2011 | 10/12/2011 | Final | 2:46.47 | 3:04.62 | #6 |
| World Rubik's Cube Championship 2011 | 14/10/2011 | First round | 3:37.40 | — | #35 |
| German Open 2011 | 09/04/2011 | Final | 2:51.03 | 3:16.61 | #4 |
| Aachen Open 2011 | 14/01/2011 | Final | — | — | #29 |
| Dutch Nationals 2010 | 13/11/2010 | Final | 2:33.31 | 2:56.98 | #1 |
| Dutch Open 2010 | 16/10/2010 | Final | 3:00.77 | 3:58.78 | #6 |
| European Rubik's Cube Championship 2010 | 01/10/2010 | Final | 2:51.30 | 3:13.60 | #9 |
| German Nationals 2010 | 11/09/2010 | Final | 2:54.11 | 3:11.24 | #5 |
| Düsseldorf Open 2010 | 24/07/2010 | Final | 9:59.72 | — | #20 |
| Cologne Open 2010 | 12/06/2010 | Final | 3:01.43 | 4:12.08 | #9 |
| Belgian Open 2010 | 22/05/2010 | Final | 3:07.46 | 3:10.39 | #2 |
| German Open 2010 | 17/04/2010 | Final | 3:09.80 | 3:38.23 | #5 |
| Benelux Open 2010 | 20/02/2010 | Final | 3:10.08 | 3:29.56 | #1 |
| Aachen Open 2010 | 16/01/2010 | Final | 3:04.63 | 3:19.03 | #3 |
| The Hague Open 2009 | 12/12/2009 | Final | 3:02.46 | — | #5 |
| Dutch Nationals 2009 | 14/11/2009 | Final | 3:07.68 | 3:14.36 | #2 |
| Essen Open 2009 | 24/10/2009 | Final | 3:47.36 | — | #4 |
| World Rubik's Cube Championship 2009 | 09/10/2009 | Final | 3:55.66 | 4:04.41 | #18 |
| German Open 2009 | 25/04/2009 | Final | 4:25.90 | 4:42.40 | #8 |
| French Open 2009 | 14/03/2009 | Final | 3:25.33 | 4:02.45 | #4 |
| Benelux Open 2009 | 21/02/2009 | Final | 3:40.31 | 3:49.70 | #2 |
| Competition | Date | Round | Single | Average | Position |
|---|---|---|---|---|---|
| Dutch Nationals 2024 | 15/11/2024 | Final | 1:36.48 | 1:43.25 | #6 |
| Rubik's WCA European Championship 2024 | 25/07/2024 | First round | 1:37.33 | 1:40.88 | #28 |
| Rubik's WCA World Championship 2023 | 12/08/2023 | First round | 1:35.22 | 1:42.31 | #47 |
| Dutch Nationals 2022 | 26/11/2022 | Final | 1:45.38 | 1:47.03 | #1 |
| Westfries Open 2022 | 22/10/2022 | Final | 1:45.17 | 1:46.17 | #1 |
| Rubik's WCA European Championship 2022 | 14/07/2022 | First round | 1:22.91 | 1:37.24 | #4 |
| Rubik's WCA European Championship 2022 | 14/07/2022 | Final | 1:28.03 | 1:38.62 | #5 |
| Seraing Open 2019 | 26/10/2019 | Final | 1:52.86 | 1:54.31 | #2 |
| Dutch Open 2019 | 12/10/2019 | Final | 1:40.70 | 1:48.72 | #1 |
| Dutch Nationals 2019 | 21/09/2019 | Final | 1:42.39 | 1:49.08 | #1 |
| Hoogland Open 2019 | 16/08/2019 | Final | 1:41.65 | 1:47.98 | #1 |
| CubingUSA Nationals 2019 | 01/08/2019 | First round | 1:43.42 | 1:48.42 | #11 |
| CubingUSA Nationals 2019 | 01/08/2019 | Final | 1:38.96 | 1:45.22 | #7 |
| WCA World Championship 2019 | 11/07/2019 | First round | 1:40.42 | 1:44.49 | #11 |
| WCA World Championship 2019 | 11/07/2019 | Final | 1:34.47 | 1:45.10 | #9 |
| Warm Up Sydney 2019 | 06/07/2019 | Final | 1:39.52 | 1:47.65 | #11 |
| Belarus Nationals 2019 | 15/06/2019 | Final | 1:38.86 | 1:43.40 | #1 |
| Elsass Open 2019 | 18/05/2019 | First round | 1:49.29 | 1:53.65 | #4 |
| Elsass Open 2019 | 18/05/2019 | Final | 1:30.70 | 1:36.53 | #1 |
| London Open 2019 | 11/05/2019 | First round | 1:39.71 | 1:48.57 | #3 |
| London Open 2019 | 11/05/2019 | Final | 1:43.24 | 1:56.93 | #4 |
| Cube Weekend Sint Michielsgestel 2019 | 22/03/2019 | Final | 1:38.18 | 1:45.17 | #1 |
| Denmark & Friends 2019 | 15/03/2019 | Final | 1:50.41 | 2:05.11 | #6 |
| Annuntia Open 2019 | 16/02/2019 | Final | 1:53.46 | 1:57.61 | #2 |
| Weston-super-Mare Open 2018 | 24/11/2018 | First round | 1:40.45 | 1:51.52 | #4 |
| Weston-super-Mare Open 2018 | 24/11/2018 | Final | 1:35.29 | 1:43.00 | #4 |
| Dutch Open 2018 | 13/10/2018 | Final | 1:54.02 | 1:55.96 | #1 |
| Paris Open 2018 | 06/10/2018 | Final | 1:53.94 | 1:56.03 | #2 |
| Dutch Nationals 2018 | 22/09/2018 | Final | 1:36.95 | 1:42.45 | #1 |
| CubingUSA Nationals 2018 | 27/07/2018 | First round | 1:50.69 | 1:53.46 | #9 |
| CubingUSA Nationals 2018 | 27/07/2018 | Final | 1:46.96 | 1:53.11 | #9 |
| WCA European Championship 2018 | 19/07/2018 | First round | 1:45.31 | 1:45.66 | #4 |
| WCA European Championship 2018 | 19/07/2018 | Final | 1:41.81 | 1:48.47 | #5 |
| Semey Open 2018 | 08/06/2018 | Final | 1:41.48 | 1:50.91 | #1 |
| Breda Open 2018 | 19/05/2018 | Final | 1:33.26 | 1:47.79 | #1 |
| Elsass Open 2018 | 28/04/2018 | First round | 2:01.28 | 2:04.89 | #4 |
| Elsass Open 2018 | 28/04/2018 | Final | 1:39.86 | 1:48.78 | #2 |
| Assen Open 2018 | 03/03/2018 | Final | 1:51.67 | 1:59.52 | #1 |
| Annuntia Open 2018 | 17/02/2018 | Final | 1:58.40 | 2:05.98 | #2 |
| Dutch Open 2017 | 21/10/2017 | Final | 2:01.49 | 2:06.90 | #2 |
| SCMU 2017 | 01/09/2017 | First round | 1:53.14 | 2:05.86 | #1 |
| SCMU 2017 | 01/09/2017 | Final | 1:58.10 | 2:02.48 | #1 |
| China Championship 2017 | 28/07/2017 | First round | 1:58.37 | 2:08.25 | #7 |
| China Championship 2017 | 28/07/2017 | Final | 1:47.42 | 1:51.49 | #2 |
| World Rubik's Cube Championship 2017 | 13/07/2017 | First round | 1:53.06 | 2:01.55 | #8 |
| World Rubik's Cube Championship 2017 | 13/07/2017 | Final | 2:01.36 | 2:14.40 | #16 |
| London Open 2017 | 08/07/2017 | Final | 1:58.78 | 2:00.78 | #3 |
| Belgium Summer Open 2017 | 20/05/2017 | Final | 2:08.87 | 2:17.81 | #2 |
| German Open 2017 | 29/04/2017 | Final | 2:10.14 | 2:17.19 | #2 |
| Belgian Winter 2017 | 25/02/2017 | Final | 1:55.64 | 2:06.67 | #1 |
| Dutch Winter 2017 | 06/01/2017 | Final | 1:54.89 | 2:08.70 | #1 |
| Sydney Championship 2016 | 17/12/2016 | Final | 2:12.80 | 2:24.99 | #3 |
| Asian Championship 2016 | 01/10/2016 | First round | 2:06.70 | 2:29.43 | #13 |
| Asian Championship 2016 | 01/10/2016 | Final | 2:06.79 | 2:19.32 | #8 |
| Kaohsiung Open 2016 | 25/09/2016 | Final | 2:00.73 | 2:10.50 | #2 |
| US Nationals 2016 | 29/07/2016 | First round | 2:08.94 | 2:47.22 | #31 |
| European Rubik's Cube Championship 2016 | 15/07/2016 | First round | 2:10.09 | 2:15.40 | #13 |
| European Rubik's Cube Championship 2016 | 15/07/2016 | Final | 2:13.33 | 2:27.66 | #14 |
| Cubelonia 2016 | 09/01/2016 | Final | 2:25.91 | 2:31.31 | #5 |
| China Championship 2015 | 02/10/2015 | First round | 2:23.53 | 2:31.39 | #8 |
| China Championship 2015 | 02/10/2015 | Final | 2:09.19 | 2:15.08 | #3 |
| World Rubik's Cube Championship 2015 | 17/07/2015 | First round | 2:14.91 | 2:26.02 | #7 |
| World Rubik's Cube Championship 2015 | 17/07/2015 | Final | 2:00.17 | 2:16.77 | #5 |
| TCG & Friends 2015 | 11/07/2015 | Final | 2:23.89 | 2:32.64 | #5 |
| TCG & Friends Arequipa 2015 | 08/07/2015 | Final | 2:15.79 | 3:07.33 | #5 |
| Rubik's Cube European Championships 2014 | 08/08/2014 | First round | 2:12.60 | 2:20.91 | #4 |
| Rubik's Cube European Championships 2014 | 08/08/2014 | Final | 2:12.34 | 2:15.12 | #3 |
| US Nationals 2014 | 01/08/2014 | First round | 2:15.36 | 2:19.51 | #4 |
| US Nationals 2014 | 01/08/2014 | Final | 2:16.83 | — | #14 |
| MPEI Open 2013 | 23/11/2013 | Final | 2:07.40 | 2:13.83 | #1 |
| Twente Open 2013 | 16/11/2013 | Final | 2:30.05 | 2:54.46 | #2 |
| Dutch Open 2013 | 19/10/2013 | Final | 2:31.55 | 2:48.21 | #1 |
| World Rubik's Cube Championship 2013 | 26/07/2013 | First round | 2:33.86 | 2:37.53 | #10 |
| World Rubik's Cube Championship 2013 | 26/07/2013 | Final | 2:27.05 | 2:27.98 | #8 |
| 1 AVG competition 2013 | 01/04/2013 | Final | 3:11.06 | 3:31.63 | #2 |
| Zonhoven Open 2013 | 02/03/2013 | Final | 2:32.94 | 4:04.75 | #6 |
| European Rubik's Cube Championship 2012 | 12/10/2012 | Final | 2:22.22 | 2:34.50 | #5 |
| N8W8 Summer 2012 | 25/08/2012 | Final | 2:15.59 | 2:38.03 | #1 |
| German Open 2012 | 14/04/2012 | Final | 2:56.11 | 3:29.96 | #2 |
| German Nationals 2011 | 10/12/2011 | Final | 2:46.47 | 3:04.62 | #6 |
| World Rubik's Cube Championship 2011 | 14/10/2011 | First round | 3:37.40 | — | #35 |
| German Open 2011 | 09/04/2011 | Final | 2:51.03 | 3:16.61 | #4 |
| Aachen Open 2011 | 14/01/2011 | Final | — | — | #29 |
| Dutch Nationals 2010 | 13/11/2010 | Final | 2:33.31 | 2:56.98 | #1 |
| Dutch Open 2010 | 16/10/2010 | Final | 3:00.77 | 3:58.78 | #6 |
| European Rubik's Cube Championship 2010 | 01/10/2010 | Final | 2:51.30 | 3:13.60 | #9 |
| German Nationals 2010 | 11/09/2010 | Final | 2:54.11 | 3:11.24 | #5 |
| Düsseldorf Open 2010 | 24/07/2010 | Final | 9:59.72 | — | #20 |
| Cologne Open 2010 | 12/06/2010 | Final | 3:01.43 | 4:12.08 | #9 |
| Belgian Open 2010 | 22/05/2010 | Final | 3:07.46 | 3:10.39 | #2 |
| German Open 2010 | 17/04/2010 | Final | 3:09.80 | 3:38.23 | #5 |
| Benelux Open 2010 | 20/02/2010 | Final | 3:10.08 | 3:29.56 | #1 |
| Aachen Open 2010 | 16/01/2010 | Final | 3:04.63 | 3:19.03 | #3 |
| The Hague Open 2009 | 12/12/2009 | Final | 3:02.46 | — | #5 |
| Dutch Nationals 2009 | 14/11/2009 | Final | 3:07.68 | 3:14.36 | #2 |
| Essen Open 2009 | 24/10/2009 | First round | 3:01.63 | 3:30.79 | #4 |
| Essen Open 2009 | 24/10/2009 | Final | 3:47.36 | — | #4 |
| World Rubik's Cube Championship 2009 | 09/10/2009 | Final | 3:55.66 | 4:04.41 | #18 |
| German Open 2009 | 25/04/2009 | Final | 4:25.90 | 4:42.40 | #8 |
| French Open 2009 | 14/03/2009 | Final | 3:25.33 | 4:02.45 | #4 |
| Benelux Open 2009 | 21/02/2009 | Final | 3:40.31 | 3:49.70 | #2 |
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