IMNiels Ondersteijn

NED Born 1984 Male
FIDE ID
1011162

Player overview

Niels Ondersteijn’s highest recorded classical FIDE rating is 2415 (June 2015). On the November 2026 FIDE list, Niels Ondersteijn ranks #2541 worldwide and #65 in Netherlands among active classical players.

FIDE ratings

Classical

2357

Published FIDE

Rapid

2392

Published FIDE

Blitz

2437

Published FIDE

Official classical ranks

World rank
#2541
National rank · NED
#65

Active players · Nov 2026 FIDE list ⓘ

Rating milestones

Highest recorded rating
2415 Jun 2015
Recorded years
2003–2026
Archived games
214

Based on available monthly lists and saved games.

Rating history

FIDE rating history

Published rating lists through Nov 2026.

Download chart or data

View rating lists

Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-11-11 (UTC).

Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).

# Date Event Site Round White Black Result Moves View
1 2026-10-31 Dutch Meesterklasse 2026-2027 Netherlands 3.5 De Wit, Tex Ondersteijn, Niels Draw: 1/2-1/2 74 Open
2 2026-10-21 41st ECC Open 2026 Budva MNE 5.14 Laurent-Paoli,Pierre Ondersteijn,N Lost: 1-0 24 Open
3 2026-10-21 41st European Chess Club Cup 2026 | Open Budva, Montenegro 5.19 Laurent-Paoli, Pierre Ondersteijn, Niels Lost: 1-0 24 Open
4 2026-10-03 Dutch League 2026-27 Netherlands NED 2.2 Ondersteijn,N Ernst,S Lost: 0-1 53 Open
5 2026-10-03 Dutch Meesterklasse 2026-2027 Netherlands 2.2 Ondersteijn, Niels Ernst, Sipke Lost: 0-1 53 Open
6 2026-09-19 Dutch League 2026-27 Netherlands NED 1.5 Ondersteijn,N Klaska,Philipp Leon Draw: 1/2-1/2 63 Open
7 2026-09-19 Dutch Meesterklasse 2026-2027 Netherlands 1.5 Ondersteijn, Niels Klaska, Philipp Leon Draw: 1/2-1/2 63 Open
8 2026-05-17 51st OKU 2026 Utrecht NED 5.9 Thijssen,Freek Ondersteijn,N Lost: 1-0 53 Open
9 2026-05-16 51st OKU 2026 Utrecht NED 4.1 Ondersteijn,N Grooten,H Draw: 1/2-1/2 69 Open
10 2026-05-15 51st OKU 2026 Utrecht NED 1.6 Guillaumond,Matthieu Ondersteijn,N Lost: 1-0 27 Open
11 2026-05-14 TCh-NED Cup 2026 Amsterdam NED 2.2 Bosch,Je Ondersteijn,N Lost: 1-0 32 Open
12 2026-05-14 TCh-NED Cup 2026 Amsterdam NED 2.1 Ondersteijn,N Bosch,Je Lost: 0-1 68 Open
13 2026-05-14 TCh-NED Cup 2026 Amsterdam NED 1.1 Freeke,M Ondersteijn,N Won: 0-1 32 Open
14 2026-04-11 Dutch League 2025-26 Netherlands NED 9.2 Ondersteijn,N Baselmans,Sam Won: 1-0 60 Open
15 2026-04-06 grenke Chess Open 2026 Karlsruhe GER 8.2 Ondersteijn,N Eugene,Floryan Lost: 0-1 56 Open
16 2026-04-06 grenke Chess Open 2026 Karlsruhe GER 9.54 Chittka,Julius Ondersteijn,N Won: 0-1 57 Open
17 2026-04-05 grenke Chess Open 2026 Karlsruhe GER 7.47 Fuhrmann,Bahne Ondersteijn,N Won: 0-1 69 Open
18 2026-04-05 grenke Chess Open 2026 Karlsruhe GER 6.72 Ondersteijn,N Kupriyanov,Daniel Won: 1-0 64 Open
19 2026-04-04 grenke Chess Open 2026 Karlsruhe GER 5.7 Eljanov,P Ondersteijn,N Lost: 1-0 40 Open
20 2026-04-04 grenke Chess Open 2026 Karlsruhe GER 4.66 Ondersteijn,N Kaufeld,J Won: 1-0 69 Open
21 2026-04-03 grenke Chess Open 2026 Karlsruhe GER 2.8 Ondersteijn,N Bruns,Kai-Christian Won: 1-0 56 Open
22 2026-04-03 grenke Chess Open 2026 Karlsruhe GER 3.55 Le Goff,R Ondersteijn,N Draw: 1/2-1/2 48 Open
23 2026-03-07 Dutch League 2025-26 Netherlands NED 8.4 Van Foreest,Lucas Ondersteijn,N Lost: 1-0 22 Open
24 2026-02-07 Dutch League 2025-26 Netherlands NED 7.6 Ondersteijn,N Tondivar,B Draw: 1/2-1/2 61 Open
25 2025-12-13 Dutch League 2025-26 Netherlands NED 5.8 Grooten,Tommy Ondersteijn,N Lost: 1-0 45 Open
26 2025-11-22 Dutch League 2025-26 Netherlands NED 4.1 Niels Ondersteijn Dharma Tjiam Won: 1-0 33 Open
27 2025-11-01 Dutch League 2025-26 Netherlands NED 3.6 Tim Grutter Niels Ondersteijn Draw: 1/2-1/2 55 Open
28 2025-10-25 40th ECC Open 2025 Rhodes GRE 7.1 Bayarjavkhlan Delgerdalai Niels Ondersteijn Draw: 1/2-1/2 77 Open
29 2025-10-24 40th ECC Open 2025 Rhodes GRE 6.1 Niels Ondersteijn Gil Barak Won: 1-0 38 Open
30 2025-10-22 40th ECC Open 2025 Rhodes GRE 4.148 Niels Ondersteijn Tom Wedberg Lost: 0-1 39 Open
31 2025-10-21 40th ECC Open 2025 Rhodes GRE 3.88 Khagan Ahmad Niels Ondersteijn Draw: 1/2-1/2 54 Open
32 2025-09-20 Dutch League 2025-26 Netherlands NED 1.7 Niels Ondersteijn Martin Martens Won: 1-0 53 Open
33 2025-05-10 Dutch League 2024-25 Netherlands NED 9.2 Helmut Froeyman Niels Ondersteijn Draw: 1/2-1/2 25 Open
34 2025-04-21 grenke Chess Open 2025 Karlsruhe GER 8.28 Niels Ondersteijn Bojan Maksimovic Lost: 0-1 46 Open
35 2025-04-20 grenke Chess Open 2025 Karlsruhe GER 7.17 Eytan Rozen Niels Ondersteijn Lost: 1-0 33 Open
36 2025-04-20 grenke Chess Open 2025 Karlsruhe GER 6.23 Niels Ondersteijn Dragos Ceres Won: 1-0 65 Open
37 2025-04-19 grenke Chess Open 2025 Karlsruhe GER 4.21 Niels Ondersteijn S Aswath Lost: 0-1 37 Open
38 2025-04-05 Dutch League 2024-25 Netherlands NED 8.6 Niels Ondersteijn Glen De Schampheleire Won: 1-0 62 Open
39 2025-03-08 Dutch League 2024-25 Netherlands NED 7.4 Oleg Korneev Niels Ondersteijn Draw: 1/2-1/2 39 Open
40 2025-02-08 Dutch League 2024-25 Netherlands NED 6.7 Niels Ondersteijn Thomas Beerdsen Draw: 1/2-1/2 33 Open
41 2024-12-14 Dutch League 2024-25 Netherlands NED 5.3 Kai Spriestersbach Niels Ondersteijn Draw: 1/2-1/2 65 Open
42 2024-11-23 Dutch League 2024-25 Netherlands NED 4.7 Niels Ondersteijn Lennert Lenaerts Won: 1-0 34 Open
43 2024-11-09 Dutch League 2024-25 Netherlands NED 3.5 Leandro Slagboom Niels Ondersteijn Lost: 1-0 18 Open
44 2024-10-26 39th ECC Open 2024 Vrnjacka Banja SRB 7.22 Cemil Gulbas Niels Ondersteijn Lost: 1-0 29 Open
45 2024-10-25 39th ECC Open 2024 Vrnjacka Banja SRB 6.15 Niels Ondersteijn Filip Boe Olsen Lost: 0-1 33 Open
46 2024-10-24 39th ECC Open 2024 Vrnjacka Banja SRB 5.22 Niels Ondersteijn Panagiotis Christodoulou Lost: 0-1 34 Open
47 2024-10-23 39th ECC Open 2024 Vrnjacka Banja SRB 4.12 Mikhail Bryakin Niels Ondersteijn Won: 0-1 38 Open
48 2024-10-22 39th ECC Open 2024 Vrnjacka Banja SRB 3.26 Niels Ondersteijn Tom Bus Won: 1-0 36 Open
49 2024-10-21 39th ECC Open 2024 Vrnjacka Banja SRB 2.15 Tomas Laurusas Niels Ondersteijn Draw: 1/2-1/2 58 Open
50 2024-10-20 39th ECC Open 2024 Vrnjacka Banja SRB 1.36 Niels Ondersteijn Rory Quinn Won: 1-0 25 Open
  1. vs De Wit, TexDraw · ½–½Black · 2026-10-31 · Round 3.5Dutch Meesterklasse 2026-2027
  2. vs Laurent-Paoli,PierreLost · 1-0Black · 2026-10-21 · Round 5.1441st ECC Open 2026
  3. vs Laurent-Paoli, PierreLost · 1-0Black · 2026-10-21 · Round 5.1941st European Chess Club Cup 2026 | Open
  4. vs Ernst,SLost · 0-1White · 2026-10-03 · Round 2.2Dutch League 2026-27
  5. vs Ernst, SipkeLost · 0-1White · 2026-10-03 · Round 2.2Dutch Meesterklasse 2026-2027
  6. vs Klaska,Philipp LeonDraw · ½–½White · 2026-09-19 · Round 1.5Dutch League 2026-27
  7. vs Klaska, Philipp LeonDraw · ½–½White · 2026-09-19 · Round 1.5Dutch Meesterklasse 2026-2027
  8. vs Thijssen,FreekLost · 1-0Black · 2026-05-17 · Round 5.951st OKU 2026
  9. vs Grooten,HDraw · ½–½White · 2026-05-16 · Round 4.151st OKU 2026
  10. vs Guillaumond,MatthieuLost · 1-0Black · 2026-05-15 · Round 1.651st OKU 2026
  11. vs Bosch,JeLost · 1-0Black · 2026-05-14 · Round 2.2TCh-NED Cup 2026
  12. vs Bosch,JeLost · 0-1White · 2026-05-14 · Round 2.1TCh-NED Cup 2026
  13. vs Freeke,MWon · 0-1Black · 2026-05-14 · Round 1.1TCh-NED Cup 2026
  14. vs Baselmans,SamWon · 1-0White · 2026-04-11 · Round 9.2Dutch League 2025-26
  15. vs Eugene,FloryanLost · 0-1White · 2026-04-06 · Round 8.2grenke Chess Open 2026
  16. vs Chittka,JuliusWon · 0-1Black · 2026-04-06 · Round 9.54grenke Chess Open 2026
  17. vs Fuhrmann,BahneWon · 0-1Black · 2026-04-05 · Round 7.47grenke Chess Open 2026
  18. vs Kupriyanov,DanielWon · 1-0White · 2026-04-05 · Round 6.72grenke Chess Open 2026
  19. vs Eljanov,PLost · 1-0Black · 2026-04-04 · Round 5.7grenke Chess Open 2026
  20. vs Kaufeld,JWon · 1-0White · 2026-04-04 · Round 4.66grenke Chess Open 2026
  21. vs Bruns,Kai-ChristianWon · 1-0White · 2026-04-03 · Round 2.8grenke Chess Open 2026
  22. vs Le Goff,RDraw · ½–½Black · 2026-04-03 · Round 3.55grenke Chess Open 2026
  23. vs Van Foreest,LucasLost · 1-0Black · 2026-03-07 · Round 8.4Dutch League 2025-26
  24. vs Tondivar,BDraw · ½–½White · 2026-02-07 · Round 7.6Dutch League 2025-26
  25. vs Grooten,TommyLost · 1-0Black · 2025-12-13 · Round 5.8Dutch League 2025-26
  26. vs Dharma TjiamWon · 1-0White · 2025-11-22 · Round 4.1Dutch League 2025-26
  27. vs Tim GrutterDraw · ½–½Black · 2025-11-01 · Round 3.6Dutch League 2025-26
  28. vs Bayarjavkhlan DelgerdalaiDraw · ½–½Black · 2025-10-25 · Round 7.140th ECC Open 2025
  29. vs Gil BarakWon · 1-0White · 2025-10-24 · Round 6.140th ECC Open 2025
  30. vs Tom WedbergLost · 0-1White · 2025-10-22 · Round 4.14840th ECC Open 2025
  31. vs Khagan AhmadDraw · ½–½Black · 2025-10-21 · Round 3.8840th ECC Open 2025
  32. vs Martin MartensWon · 1-0White · 2025-09-20 · Round 1.7Dutch League 2025-26
  33. vs Helmut FroeymanDraw · ½–½Black · 2025-05-10 · Round 9.2Dutch League 2024-25
  34. vs Bojan MaksimovicLost · 0-1White · 2025-04-21 · Round 8.28grenke Chess Open 2025
  35. vs Eytan RozenLost · 1-0Black · 2025-04-20 · Round 7.17grenke Chess Open 2025
  36. vs Dragos CeresWon · 1-0White · 2025-04-20 · Round 6.23grenke Chess Open 2025
  37. vs S AswathLost · 0-1White · 2025-04-19 · Round 4.21grenke Chess Open 2025
  38. vs Glen De SchampheleireWon · 1-0White · 2025-04-05 · Round 8.6Dutch League 2024-25
  39. vs Oleg KorneevDraw · ½–½Black · 2025-03-08 · Round 7.4Dutch League 2024-25
  40. vs Thomas BeerdsenDraw · ½–½White · 2025-02-08 · Round 6.7Dutch League 2024-25
  41. vs Kai SpriestersbachDraw · ½–½Black · 2024-12-14 · Round 5.3Dutch League 2024-25
  42. vs Lennert LenaertsWon · 1-0White · 2024-11-23 · Round 4.7Dutch League 2024-25
  43. vs Leandro SlagboomLost · 1-0Black · 2024-11-09 · Round 3.5Dutch League 2024-25
  44. vs Cemil GulbasLost · 1-0Black · 2024-10-26 · Round 7.2239th ECC Open 2024
  45. vs Filip Boe OlsenLost · 0-1White · 2024-10-25 · Round 6.1539th ECC Open 2024
  46. vs Panagiotis ChristodoulouLost · 0-1White · 2024-10-24 · Round 5.2239th ECC Open 2024
  47. vs Mikhail BryakinWon · 0-1Black · 2024-10-23 · Round 4.1239th ECC Open 2024
  48. vs Tom BusWon · 1-0White · 2024-10-22 · Round 3.2639th ECC Open 2024
  49. vs Tomas LaurusasDraw · ½–½Black · 2024-10-21 · Round 2.1539th ECC Open 2024
  50. vs Rory QuinnWon · 1-0White · 2024-10-20 · Round 1.3639th ECC Open 2024

FIDE tournaments

All tournament results