National championship B8
Open SwissStandard
10 players participated in this 7-round tournament, held from 01 Jun 2025 to 07 Jun 2025 in Primorsko, Bulgaria. Top 10 Elo average was 148, and top seed was Velizar Petkov (🇧🇬 BUL, 1502).
Yan Katsarski (🇧🇬 BUL, 1476) won with 6.0/7, ahead of Pavel Lozanov (5.0). Katsarski won solo starting round 5.
Location
🇧🇬Primorsko, Bulgaria
Dates
01 Jun 2025 → 07 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Avg top 10
148
Participants
10
Federations · 1 represented
🇧🇬Bulgaria×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsYan Katsarski led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
6
4
2
2
1
1
1
R5–R7 · LEAD HELD
Yan Katsarski never relinquished the lead after R5; final gap +1.0 over the runner-up.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Yan Katsarski drew with Pavel Lozanov (Black).
WIN STREAKS · 2 top finishers
Yan Katsarski 3 wins (R1–R3)Pavel Lozanov 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Yan Katsarski | * | ½ | 1 | ½ |
| 2Pavel Lozanov | ½ | * | — | 0 |
| 3Ivan Doykov | 0 | — | * | — |
| 4FIDE 2973200 | ½ | 1 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Katsarski, Yan | 1476 | BUL | +?B | +?N | +6B | =2N | +?B | =3N | +4B | 6.0 | 17.0 | 17.0 | 12.25 | 1481 | 0.0 |
| 2 | Lozanov, Pavel | 0 | BUL | +5B | +?N | +?B | =1B | −3N | =?N | +6B | 5.0 | 17.5 | 17.5 | 10.00 | 1517 | 0.0 |
| 3 | FIDE 2973200 | 0 | — | −?B | +?N | +?B | +6N | +2B | =1B | −?N | 4.5 | 14.0 | 14.0 | 11.00 | 697 | 0.0 |
| 4 | Doykov, Ivan | 0 | BUL | +8B | −?N | +?B | =?N | +7B | +6N | −1N | 4.5 | 13.5 | 13.5 | 7.50 | 1304 | 0.0 |
| 5 | Doychev, Nikola | 0 | BUL | −2N | −7B | +10N | +?B | +?B | −?N | +9N | 4.0 | 11.5 | 11.5 | 4.00 | 661 | 0.0 |
| 6 | Dimitrov, Nikolaj | 0 | BUL | +9B | +?N | −1N | −3B | +8N | −4B | −2N | 3.0 | 24.0 | 24.0 | 4.00 | 1552 | 0.0 |
| 7 | FIDE 2973413 | 0 | — | =?B | +5N | −?B | +?N | −4N | −8B | F | 2.5 | 10.5 | 10.5 | 4.00 | 732 | 0.0 |
| 8 | Tonchev, Mario | 0 | BUL | −4N | F | −9B | +?N | −6B | +7N | −?B | 2.0 | 12.0 | 12.0 | 2.50 | 661 | 0.0 |
| 9 | Lesov, Mihail | 0 | BUL | −6N | +10B | +8N | −?N | −?B | F | −5B | 2.0 | 11.0 | 11.0 | 4.00 | 697 | 0.0 |
| 10 | Gospodinov, Konstantin | 0 | BUL | −?B | −9N | −5B | F | −?N | +?B | +?B | 2.0 | 6.0 | 6.0 | 0.00 | 732 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Dimitrov, NikolajBUL0.03.0 pts · #2
- 2Katsarski, YanBUL0.06.0 pts · #3
- 3Lozanov, PavelBUL0.05.0 pts · #1
Top rating losers
- 1Dimitrov, NikolajBUL0.03.0 pts · #2
- 2Katsarski, YanBUL0.06.0 pts · #3
- 3Lozanov, PavelBUL0.05.0 pts · #1