European and World qualifications B-U18, Under the aegis of BSCF
Round-RobinStandard
8 players participated in this 7-round tournament, held from 09 Jul 2025 to 13 Jul 2025 in Sevlievo, Bulgaria. Top 10 Elo average was 1829, and top seed was Simeon Trendafilov (🇧🇬 BUL, 2080).
Ivaylo Vichev (🇧🇬 BUL, 1937) won with 5.5/7, ahead of Simeon Trendafilov (5.5) and Mihail Marzakov (5.5). Vichev shared the lead from round 2, winning on tie-break.
Location
🇧🇬Sevlievo, Bulgaria
Dates
09 Jul 2025 → 13 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 7 rounds
Federations · 1 represented
🇧🇬Bulgaria×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 8 · 7 roundsTitle race narrowed from 4 co-leaders at R4 to 3 at the finish.
Co-leaders
1
4
4
4
3
3
3
R1 · HEAD-TO-HEAD · WINNER VS 2ND
Ivaylo Vichev drew with Mihail Marzakov (White).
R1–R7 · UNBEATEN
Ivaylo Vichev went unbeaten across 7 games (R1–R7).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇧🇬Vichev, Ivaylo | 1937 | * | ½ | ½ | 1 | 1 | ½ | 1 | 1 | 5.5 | 15.75 | 22.5 | +45.2 | 2055 |
| 3 | 🇧🇬Trendafilov, Simeon | 2080 | ½ | * | ½ | 1 | ½ | 1 | 1 | 1 | 5.5 | 15.50 | 22.5 | -0.8 | 2065 |
| 2 | 🇧🇬Marzakov, Mihail | 1967 | ½ | ½ | * | ½ | 1 | 1 | 1 | 1 | 5.5 | 15.25 | 22.5 | +35.2 | 2055 |
| 4 | 🇧🇬Zhelev, Nikolay | 1848 | 0 | 0 | ½ | * | ½ | ½ | 1 | 1 | 3.5 | 8.00 | 24.5 | -3.2 | 1826 |
| 5 | 🇧🇬Tsvetanov, Teodor | 1839 | 0 | ½ | 0 | ½ | * | 1 | ½ | ½ | 3.0 | 8.25 | 25.0 | -20.0 | 1778 |
| 6 | 🇧🇬Blagoev, Denislav | 1895 | ½ | 0 | 0 | ½ | 0 | * | ½ | 1 | 2.5 | 6.25 | 25.5 | -60.4 | 1723 |
| 7 | 🇧🇬Ivanov, Denislav | 1614 | 0 | 0 | 0 | 0 | ½ | ½ | * | ½ | 1.5 | 3.25 | 26.5 | -4.8 | 1620 |
| 8 | 🇧🇬Petrov, Bozhidar | 1453 | 0 | 0 | 0 | 0 | ½ | 0 | ½ | * | 1.0 | 2.25 | 27.0 | +8.8 | 1508 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Vichev, IvayloBUL+45.25.5 pts · #1
- 2Marzakov, MihailBUL+35.25.5 pts · #2
- 3Petrov, BozhidarBUL+8.81.0 pts · #8
Top rating losers
- 1Blagoev, DenislavBUL-60.42.5 pts · #6
- 2Tsvetanov, TeodorBUL-20.03.0 pts · #5
- 3Ivanov, DenislavBUL-4.81.5 pts · #7