Niels Ondersteijn vs Thomas Beerdsen
Niels Ondersteijn (42, IM, NED) and Thomas Beerdsen (28, GM, NED) have met 1 time in classical OTB plus 9 rapid/blitz games. With current classical ratings of 2382 and 2518, the Elo model gives Beerdsen a 53% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2382 vs 2518 (Δ -136)
With Niels Ondersteijn as white
24% Niels23% draw53% Thomas
With Thomas Beerdsen as white
18% Niels19% draw63% Thomas
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Niels Ondersteijn | Thomas Beerdsen | |
|---|---|---|
| Current rating (STD) | 2382 | 2518 |
| Peak rating | 2415 · Jun 2015 | 2538 · Jun 2025 |
| Peak age | 31 | 27 |
| World rank now | #1,994 | #471 |
| World rank peak | #1,832 | #391 |
| Federation rank now | #57 | #15 |
| Games (career, STD) | 389 | 1,690 |
| Months active | 212 | 182 |
| % white wins | 57% | 57% |
| % black wins | 52% | 50% |
| TPR last 12m (STD) | 2371 | 2485 |
| Activity 12m (games) | 50 | 195 |
Best Win
Niels Ondersteijn
Thomas Beerdsen
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (10)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Niels Ondersteijn
Thomas Beerdsen