OBRO Sensommer 2025 - 4
Round-RobinStandard
6 players participated in this 5-round tournament, held from 01 Sept 2025 to 06 Oct 2025 in Copenhagen, Denmark. Top 10 Elo average was 1726, and top seed was Daniel Kokholm (🇩🇰 DEN, 1809).
Kristoffer Leer (🇩🇰 DEN, 1400) won with 4.0/5, ahead of Mathias Bogo (3.0) and Daniel Kokholm (2.5).
The biggest upset came in round 2: Kristoffer Leer (1400) beat Kim Secher Helms (1809), a +409-point gap.
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 · 1 represented
🇩🇰Denmark×6
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsKristoffer Leer led from R3 onwards, the runner-up race stayed tight.
Co-leaders
1
1
1
1
1
R3 · LEADER CHANGE22 Sept
Kristoffer Leer takes the sole lead (2.5/3).
R1 · HEAD-TO-HEAD · WINNER VS 2ND
Kristoffer Leer drew with Mathias Bogo (Black).
R1–R5 · UNBEATEN
Kristoffer Leer went unbeaten across 5 games (R1–R5).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇩🇰Leer, Kristoffer | 1400 | * | ½ | ½ | 1 | 1 | 1 | 4.0 | 7.25 | 10.0 | +56.4 | 2031 |
| 2 | 🇩🇰Bogo, Mathias | 1787 | ½ | * | ½ | 0 | 1 | 1 | 3.0 | 5.25 | 11.0 | +11.0 | 1866 |
| 3 | 🇩🇰Kokholm, Daniel | 1809 | ½ | ½ | * | ½ | ½ | ½ | 2.5 | 5.75 | 11.5 | -2.8 | 1790 |
| 4 | 🇩🇰Falborg, Jorgen | 1762 | 0 | 1 | ½ | * | 1 | — | 2.5 | 5.75 | 11.0 | +13.8 | 1892 |
| 5 | 🇩🇰Frojd , Milo Nybro | 1786 | 0 | 0 | ½ | 0 | * | 1 | 1.5 | 1.75 | 12.5 | -37.6 | 1645 |
| 6 | 🇩🇰Helms, Kim Secher | 1809 | 0 | 0 | ½ | — | 0 | * | 0.5 | 1.25 | 11.0 | -31.4 | 1475 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Leer, KristofferDEN+56.44.0 pts · #1
- 2Falborg, JorgenDEN+13.82.5 pts · #4
- 3Bogo, MathiasDEN+11.03.0 pts · #2
Top rating losers
- 1Frojd , Milo NybroDEN-37.61.5 pts · #5
- 2Helms, Kim SecherDEN-31.40.5 pts · #6
- 3Kokholm, DanielDEN-2.82.5 pts · #3
Biggest upsets
- R2+409 Elo gap
- R5+386 Elo gap
- R3+362 Elo gap