OBRO Efteraar 2025 - 3 Round 1-4
Round-RobinStandard
6 players participated in this 4-round tournament, held from 20 Oct 2025 to 17 Nov 2025 in Copenhagen, Denmark. 2 federations represented. Top 10 Elo average was 1740, and top seed was Mathias Bogo (🇩🇰 DEN, 1787).
Milo Nybro Frojd (🇩🇰 DEN, 1786) won with 3.0/4, ahead of Jose Carlos A F Martins (2.0) and Karl Strigen (1.5).
The biggest upset came in round 2: Jose Carlos A F Martins (1600) beat Jan Gregor (1744), a +144-point gap.
Location
🇩🇰Copenhagen, Denmark
Dates
20 Oct 2025 → 17 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 4 rounds
Federations · 2 represented
🇩🇰Denmark×5
🇵🇹Portugal×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsMilo Nybro Frojd led from R3 onwards, the runner-up race stayed tight.
Co-leaders
6
2
1
1
R3–R4 · LEAD HELD
Milo Nybro Frojd never relinquished the lead after R3; final gap +1.0 over the runner-up.
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Milo Nybro Frojd beat Jose Carlos A F Martins (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 🇩🇰Frojd , Milo Nybro | 1786 | * | 1 | ½ | 1 | ½ | — | 3.0 | 5.00 | 6.5 | +14.8 | 1880 |
| 1 | 🇵🇹Martins, Jose Carlos A F | 1600 | 0 | * | ½ | 1 | — | ½ | 2.0 | 3.00 | 7.5 | 0.0 | 1769 |
| 5 | 🇩🇰Strigen, Karl | 1759 | ½ | ½ | * | — | ½ | 0 | 1.5 | 3.25 | 8.0 | -8.4 | 1653 |
| 3 | 🇩🇰Gregor, Jan | 1744 | 0 | 0 | — | * | ½ | 1 | 1.5 | 2.25 | 8.0 | +3.0 | 1778 |
| 4 | 🇩🇰Falborg, Jorgen | 1762 | ½ | — | ½ | ½ | * | — | 1.5 | 3.00 | 6.0 | 0.0 | 1763 |
| 6 | 🇩🇰Bogo, Mathias | 1787 | — | ½ | 1 | 0 | — | * | 1.5 | 2.50 | 5.0 | -2.0 | 1752 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Frojd , Milo NybroDEN+14.83.0 pts · #2
- 2Gregor, JanDEN+3.01.5 pts · #3
- 3Falborg, JorgenDEN0.01.5 pts · #4
Top rating losers
- 1Strigen, KarlDEN-8.41.5 pts · #5
- 2Bogo, MathiasDEN-2.01.5 pts · #6
- 3Falborg, JorgenDEN0.01.5 pts · #4
Biggest upsets
- R2+144 Elo gap