OBRO Sensommer 2025 - 5
Round-RobinStandard
5 players participated in this 5-round tournament, held from 01 Sept 2025 to 06 Oct 2025 in Copenhagen, Denmark. 2 federations represented. Top 10 Elo average was 1029, and top seed was Anirudh Nagaraja (🇸🇪 SWE, 1738).
Jan Gregor (🇩🇰 DEN, 1674) won with 3.0/5, ahead of Anirudh Nagaraja (2.5) and Mathias Damsgaard Lassen (2.5). Gregor clinched sole first place in the final round.
Location
🇩🇰Copenhagen, Denmark
Dates
01 Sept 2025 → 06 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 5 rounds
Federations · 2 represented
🇩🇰Denmark×4
🇸🇪Sweden×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 5 · 5 rounds3 leader changes shaped the tournament; Gregor pulled away in R5.
Co-leaders
1
1
1
1
1
R2 · LEADER CHANGE15 Sept
Anirudh Nagaraja takes the sole lead (1.5/2).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Jan Gregor drew with Mathias Damsgaard Lassen (Black).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 🇩🇰Gregor, Jan | 1674 | * | ½ | ½ | 1 | 1 | 3.0 | 4.50 | 7.0 | +28.8 | 2057 |
| 3 | 🇸🇪Nagaraja, Anirudh | 1738 | ½ | * | 1 | ½ | ½ | 2.5 | 5.00 | 7.5 | +4.0 | 1763 |
| 1 | 🇩🇰Lassen , Mathias Damsgaard | 0 | ½ | 0 | * | 1 | 1 | 2.5 | 3.50 | 7.5 | 0.0 | 1777 |
| 4 | 🇩🇰Larssen, Kasper Rolf | 1731 | 0 | ½ | 0 | * | ½ | 1.0 | 1.75 | 9.0 | -7.4 | 1640 |
| 5 | 🇩🇰Jensen, Thomas Dall | 0 | 0 | ½ | 0 | ½ | * | 1.0 | 1.75 | 9.0 | -46.8 | 1589 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Gregor, JanDEN+28.83.0 pts · #2
- 2Nagaraja, AnirudhSWE+4.02.5 pts · #3
- 3Lassen , Mathias DamsgaardDEN0.02.5 pts · #1
Top rating losers
- 1Jensen, Thomas DallDEN-46.81.0 pts · #5
- 2Larssen, Kasper RolfDEN-7.41.0 pts · #4
- 3Lassen , Mathias DamsgaardDEN0.02.5 pts · #1