Kronborg Chess Open 2025 - 14
Round-RobinStandard
8 players participated in this 7-round tournament, held from 29 May 2025 to 01 Jun 2025 in Snekkersten, Denmark. 5 federations represented. Top 10 Elo average was 1783, and top seed was Tommy Vedelfort (🇩🇰 DEN, 1867).
David Perkovsky (🇺🇦 UKR, 1819) won with 6.0/7, ahead of August Minh Brattgjerd (6.0) and Unnar Ingvarsson (3.5). Perkovsky shared the lead from round 6, winning on tie-break.
The biggest upset came in round 1: Omar Torbjorn Osterhus (1577) beat Tommy Vedelfort (1867), a +290-point gap.
Location
🇩🇰Snekkersten, Denmark
Dates
29 May 2025 → 01 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 7 rounds
Federations · 5 represented
🇩🇰Denmark×4
🇸🇪Sweden×1
🇮🇸Iceland×1
🇺🇦Ukraine×1
🇳🇴Norway×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 8 · 7 roundsCo-leaders
3
1
1
1
1
2
2
R6 · HEAD-TO-HEAD · WINNER VS 2ND
David Perkovsky beat August Minh Brattgjerd (White).
WIN STREAKS · 2 top finishers
David Perkovsky 4 wins (R4–R7)August Minh Brattgjerd 5 wins (R1–R5)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇺🇦Perkovsky, David | 1819 | * | 1 | 1 | 1 | ½ | ½ | 1 | 1 | 6.0 | 19.25 | 22.0 | +85.6 | 2087 |
| 2 | 🇳🇴Brattgjerd, August Minh | 1798 | 0 | * | 1 | 1 | 1 | 1 | 1 | 1 | 6.0 | 16.00 | 22.0 | +94.8 | 2090 |
| 4 | 🇮🇸Ingvarsson, Unnar | 1797 | 0 | 0 | * | 1 | ½ | ½ | ½ | 1 | 3.5 | 8.75 | 24.5 | -2.6 | 1781 |
| 3 | 🇩🇰Vehl, Tina | 1820 | 0 | 0 | 0 | * | 1 | 1 | 1 | ½ | 3.5 | 8.25 | 24.5 | -7.2 | 1778 |
| 5 | 🇩🇰Nielsen, Palle | 1789 | ½ | 0 | ½ | 0 | * | ½ | ½ | 1 | 3.0 | 8.50 | 25.0 | -11.0 | 1732 |
| 6 | 🇩🇰Vedelfort, Tommy | 1867 | ½ | 0 | ½ | 0 | ½ | * | 0 | 1 | 2.5 | 7.75 | 25.5 | -37.8 | 1669 |
| 7 | 🇩🇰Osterhus, Omar Torbjorn | 1577 | 0 | 0 | ½ | 0 | ½ | 1 | * | 0 | 2.0 | 5.75 | 26.0 | +11.0 | 1654 |
| 8 | 🇸🇪Mollerstrom, Fredrik | 1796 | 0 | 0 | 0 | ½ | 0 | 0 | 1 | * | 1.5 | 3.75 | 26.5 | -42.6 | 1551 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Brattgjerd, August MinhNOR+94.86.0 pts · #2
- 2Perkovsky, DavidUKR+85.66.0 pts · #1
- 3Osterhus, Omar TorbjornDEN+11.02.0 pts · #7
Top rating losers
- 1Mollerstrom, FredrikSWE-42.61.5 pts · #8
- 2Vedelfort, TommyDEN-37.82.5 pts · #6
- 3Nielsen, PalleDEN-11.03.0 pts · #5
Biggest upsets
- R1+290 Elo gap