Ramon Koster
Country
NED
Birth Year
1983
Gender
M
Title
FIDE Master
FIDE ID
1008544
FIDE Rating
2288
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-12-30 | 61st Groningen Open 2025 | Groningen NED | 9.14 | Ramon Koster | Dylan Edwardss | 1-0 | 30 | Open |
| 2 | 2025-12-29 | 61st Groningen Open 2025 | Groningen NED | 8.8 | Ramon Koster | Shyaam Nikhil P | 0-1 | 49 | Open |
| 3 | 2025-12-28 | 61st Groningen Open 2025 | Groningen NED | 7.12 | Sanjay Narayanan P S | Ramon Koster | 0-1 | 68 | Open |
| 4 | 2025-12-27 | 61st Groningen Open 2025 | Groningen NED | 6.16 | Ramon Koster | Joost Wempe | 1-0 | 30 | Open |
| 5 | 2025-12-26 | 61st Groningen Open 2025 | Groningen NED | 5.15 | Emil Frederick Schuricht | Ramon Koster | 1/2-1/2 | 49 | Open |
| 6 | 2025-12-24 | 61st Groningen Open 2025 | Groningen NED | 4.17 | Ramon Koster | Rick Duijker | 1/2-1/2 | 57 | Open |
| 7 | 2025-12-23 | 61st Groningen Open 2025 | Groningen NED | 3.1 | Saad Abobaker Elmi | Ramon Koster | 1-0 | 41 | Open |
| 8 | 2025-12-22 | 61st Groningen Open 2025 | Groningen NED | 2.7 | Ramon Koster | Eelke De Boer | 1/2-1/2 | 17 | Open |
| 9 | 2025-12-21 | 61st Groningen Open 2025 | Groningen NED | 1.24 | Khandhadia Nivaan Rathin | Ramon Koster | 0-1 | 42 | Open |
| 10 | 2025-12-03 | 15th London Classic Open | London ENG | 9.36 | Nurlykhan Kudaibergen | Ramon Koster | 0-1 | 49 | Open |
| 11 | 2025-12-02 | 15th London Classic Open | London ENG | 8.27 | Ramon Koster | Filip Magold | 0-1 | 75 | Open |
| 12 | 2025-12-01 | 15th London Classic Open | London ENG | 7.37 | Ramon Koster | Maxim Farberov | 1-0 | 47 | Open |
| 13 | 2025-11-30 | 15th London Classic Open | London ENG | 6.32 | Qixiang Han | Ramon Koster | 1-0 | 83 | Open |
| 14 | 2025-11-30 | 15th London Classic Open | London ENG | 5.37 | Ramon Koster | Hayk Mesropyan | 1-0 | 45 | Open |
| 15 | 2025-11-29 | 15th London Classic Open | London ENG | 4.5 | S. Badrinath | Ramon Koster | 0-1 | 39 | Open |
| 16 | 2025-11-28 | 15th London Classic Open | London ENG | 3.51 | Ramon Koster | Rithvik Deepak Ambattu | 1/2-1/2 | 60 | Open |
| 17 | 2025-11-28 | 15th London Classic Open | London ENG | 2.4 | Peter Carroll | Ramon Koster | 1-0 | 60 | Open |
| 18 | 2025-11-27 | 15th London Classic Open | London ENG | 1.3 | Ramon Koster | Daniil Yuffa | 0-1 | 56 | Open |
| 19 | 2025-08-30 | Maia Chess Open 2025 | Maia POR | 9.21 | Narmin Mammadova | Ramon Koster | 1-0 | 59 | Open |
| 20 | 2025-08-29 | Maia Chess Open 2025 | Maia POR | 8.26 | Ramon Koster | Andres Rodriguez Ferreiros | 1-0 | 41 | Open |
| 21 | 2025-08-28 | Maia Chess Open 2025 | Maia POR | 7.24 | Kuzey Guleryuz | Ramon Koster | 1-0 | 28 | Open |
| 22 | 2025-08-27 | Maia Chess Open 2025 | Maia POR | 6.3 | Ramon Koster | Martin Gomez Carreno | 1-0 | 39 | Open |
| 23 | 2025-08-26 | Maia Chess Open 2025 | Maia POR | 5.8 | Ilia Smirin | Ramon Koster | 1-0 | 34 | Open |
| 24 | 2025-08-25 | Maia Chess Open 2025 | Maia POR | 4.8 | Ramon Koster | Pierre Bailet | 1/2-1/2 | 43 | Open |
| 25 | 2025-08-24 | Maia Chess Open 2025 | Maia POR | 3.27 | Xin An Zhang | Ramon Koster | 0-1 | 34 | Open |
| 26 | 2025-08-23 | Maia Chess Open 2025 | Maia POR | 2.5 | Ramon Koster | Michael Takahashi | 1/2-1/2 | 38 | Open |
| 27 | 2025-08-22 | Maia Chess Open 2025 | Maia POR | 1.19 | Manuel Anxo Cabanas Lopez | Ramon Koster | 0-1 | 59 | Open |
| 28 | 2025-07-13 | Science Park Open A 2025 | Amsterdam NED | 9.3 | Ramon Koster | Sasa Albers | 1/2-1/2 | 32 | Open |
| 29 | 2025-07-12 | Science Park Open A 2025 | Amsterdam NED | 8.3 | Khoi Pham | Ramon Koster | 1/2-1/2 | 32 | Open |
| 30 | 2025-07-11 | Science Park Open A 2025 | Amsterdam NED | 7.2 | Ramon Koster | Nico Zwirs | 1/2-1/2 | 36 | Open |
| 31 | 2025-07-10 | Science Park Open A 2025 | Amsterdam NED | 6.2 | Li Riemersma | Ramon Koster | 1/2-1/2 | 48 | Open |
| 32 | 2025-07-09 | Science Park Open A 2025 | Amsterdam NED | 5.3 | Ramon Koster | Gachatur Kazarjan | 1-0 | 34 | Open |
| 33 | 2025-07-08 | Science Park Open A 2025 | Amsterdam NED | 4.2 | Oleksandr Dovgaliuk | Ramon Koster | 1/2-1/2 | 17 | Open |
| 34 | 2025-07-07 | Science Park Open A 2025 | Amsterdam NED | 3.5 | Ramon Koster | Peter Doggers | 1-0 | 34 | Open |
| 35 | 2025-07-06 | Science Park Open A 2025 | Amsterdam NED | 2.6 | Dennis Rosegg | Ramon Koster | 0-1 | 45 | Open |
| 36 | 2025-07-05 | Science Park Open A 2025 | Amsterdam NED | 1.8 | Ramon Koster | Sven Winter | 1-0 | 29 | Open |
| 37 | 2025-06-22 | HSG Open 2025 | Hilversum NED | 6.8 | Ramon Koster | Colin Stolwijk | 1/2-1/2 | 53 | Open |
| 38 | 2025-06-22 | HSG Open 2025 | Hilversum NED | 5.4 | Lode De Jong | Ramon Koster | 1-0 | 72 | Open |
| 39 | 2025-06-21 | HSG Open 2025 | Hilversum NED | 4.3 | Ramon Koster | Leon De Vries | 1-0 | 34 | Open |
| 40 | 2025-06-21 | HSG Open 2025 | Hilversum NED | 3.1 | Freek Thijssen | Ramon Koster | 0-1 | 37 | Open |
| 41 | 2024-12-30 | 60th Groningen Open 2024 | Groningen NED | 9.1 | Timothe Mareau | Ramon Koster | 0-1 | 21 | Open |
| 42 | 2024-12-29 | 60th Groningen Open 2024 | Groningen NED | 8.1 | Ramon Koster | Henrik Cernov | 1/2-1/2 | 23 | Open |
| 43 | 2024-12-28 | 60th Groningen Open 2024 | Groningen NED | 7.14 | Sasa Albers | Ramon Koster | 1/2-1/2 | 21 | Open |
| 44 | 2024-12-27 | 60th Groningen Open 2024 | Groningen NED | 6.5 | Ramon Koster | Arthur De Winter | 0-1 | 38 | Open |
| 45 | 2024-12-26 | 60th Groningen Open 2024 | Groningen NED | 5.11 | Samuel Weber | Ramon Koster | 0-1 | 40 | Open |
| 46 | 2024-12-24 | 60th Groningen Open 2024 | Groningen NED | 4.17 | Ramon Koster | Herman Grooten | 1-0 | 39 | Open |
| 47 | 2024-12-23 | 60th Groningen Open 2024 | Groningen NED | 3.4 | Narayanan S L | Ramon Koster | 1-0 | 73 | Open |
| 48 | 2024-12-22 | 60th Groningen Open 2024 | Groningen NED | 2.18 | Ramon Koster | Paul Hummel | 1-0 | 43 | Open |
| 49 | 2024-12-21 | 60th Groningen Open 2024 | Groningen NED | 1.16 | Tommy Grooten | Ramon Koster | 1/2-1/2 | 33 | Open |
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