CChessStats

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 rounds

Yan 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
23.55.57R1R2R3R4R5R6R7
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
Player1234
1Yan Katsarski*
½
1
½
2Pavel Lozanov
½
*
0
3Ivan Doykov
0
*
4FIDE 2973200
½
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Katsarski, Yan1476BUL+?B+?N+6B=2N+?B=3N+4B6.017.017.012.2514810.0
2Lozanov, Pavel0BUL+5B+?N+?B=1B3N=?N+6B5.017.517.510.0015170.0
3FIDE 29732000?B+?N+?B+6N+2B=1B?N4.514.014.011.006970.0
4Doykov, Ivan0BUL+8B?N+?B=?N+7B+6N1N4.513.513.57.5013040.0
5Doychev, Nikola0BUL2N7B+10N+?B+?B?N+9N4.011.511.54.006610.0
6Dimitrov, Nikolaj0BUL+9B+?N1N3B+8N4B2N3.024.024.04.0015520.0
7FIDE 29734130=?B+5N?B+?N4N8BF2.510.510.54.007320.0
8Tonchev, Mario0BUL4NF9B+?N6B+7N?B2.012.012.02.506610.0
9Lesov, Mihail0BUL6N+10B+8N?N?BF5B2.011.011.04.006970.0
10Gospodinov, Konstantin0BUL?B9N5BF?N+?B+?B2.06.06.00.007320.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers