9 rounds (1 round per day)
rating 2100+ (rating per 1 December 2025)Chessfestival Groningen 2025 Open A | Organizer(s) | Stichting Schaakfestival Groningen |
| Federation | Netherlands ( NED ) |
| Tournament director | Govert Pellikaan |
| Chief Arbiter | IA Denissen, Erwin 1007297 |
| Deputy Chief Arbiter | IA Van der Graaf-Osinga, Angelique 1035347; IA Sharif Nataj, Khadijeh 12522082 |
| Arbiter | Kroezen, Roland 1016091; Van Beersum, Wim 1037455 |
| Time control (Standard) | 90 min/40 moves + 30 minutes + 30 seconds per move |
| Location | ACLO, Blauwborgje 16, Groningen |
| Number of rounds | 9 |
| Tournament type | Swiss-System |
| Rating calculation | Rating national, Rating international |
| Date | 2025/12/21 to 2025/12/30 |
| Rating-Ø / Average age | 2234 / 20 |
| Pairing program | Swiss-Manager from Heinz Herzog, Swiss-Manager tournamentfile |
Last update 20.08.2025 18:35:31, Creator/Last Upload: NOSBO
| Tournament selection | Open A, Open B, Open C, Vierkampen, Compact, Senioren |
| Links | Official Homepage of the Organizer, Link with tournament calendar |
| Parameters | No tournament details |
| Lists | Starting rank, Alphabetical list, Statistics, Alphabetical list all groups, Playing schedule |
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Alphabetical list all groups
| No. | | Name | FideID | Rtg | FED | Name |
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| 1 | | Adavatkar, Rugved | 1055011 | 1834 | NED | Open B |
| 2 | | Alberts, Peter | 40118282 | 1826 | NED | Compact |
| 3 | | Aravindhan, Aadvik | 40106179 | 1656 | NED | Open C |
| 4 | CM | Aravindhan, Achyuth | 1084216 | 2163 | NED | Open A |
| 5 | | Bruening, Martin | 12948411 | 1824 | GER | Open B |
| 6 | | Bunschoten, Inge | 40105458 | 1734 | NED | Vierkampen |
| 7 | | Damen, Josephine | 1074369 | 1860 | NED | Open B |
| 8 | | Dijkstra, Theo | 1058924 | 1815 | NED | Compact |
| 9 | | Faber, Hugo | 611832 | 2006 | NED | Senioren |
| 10 | | Groot, Simon | 1022342 | 1925 | NED | Compact |
| 11 | CM | Khandhadia, Nivaan Rathin | 25753274 | 2112 | IND | Open A |
| 12 | | Koster, Dries | 1028278 | 2030 | NED | Senioren |
| 13 | | Kudernac, Theo | 1095323 | 1696 | NED | Open B |
| 14 | | Leijgraaff, Peter | 40110630 | 1668 | NED | Vierkampen |
| 15 | | Meeuwissen, Morris | 40107418 | 1835 | NED | Open B |
| 16 | | Nies, Levi | 1061275 | 1930 | NED | Open B |
| 17 | IM | Nitin, S. | 5018277 | 2316 | IND | Open A |
| 18 | | Omnes, Tiago | 1091867 | 1882 | NED | Compact |
| 19 | | Omnes, Zoe | 1095200 | 1461 | NED | Compact |
| 20 | IM | Panda, Sambit | 25091794 | 2379 | IND | Open A |
| 21 | | Ritter, Uwe | 4653130 | 1911 | GER | Open B |
| 22 | | Schwenke, Stefan | 12948438 | 1850 | GER | Open B |
| 23 | | Timar, Yannick | 1040499 | 1917 | NED | Compact |
| 24 | IM | Utsab, Chatterjee | 46609148 | 2299 | IND | Open A |
| 25 | | Van Den Bos, Frans Pieter | 1015010 | 1811 | NED | Compact |
| 26 | | Van Der Graaf, Jaap | 1045024 | 1861 | NED | Senioren |
| 27 | | Van Der Graaf, Jaap | 1045024 | 1839 | NED | Vierkampen |
| 28 | | Van Wermeskerken, Peter Christiaan | 1096958 | 1793 | NED | Senioren |
| 29 | | Zecha, Oscar | 1073826 | 2136 | NED | Open A |
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