CChessStats

LXII festival"FIRST WEEKEND", Under the aegis of BSCF

Open SwissStandard

16 players participated in this 6-round tournament, held from 04 Apr 2026 to 05 Apr 2026 in Plovdiv, Bulgaria. 2 federations represented. Top 10 Elo average was 1761, and top seed was Rostislav Petkov (🇧🇬 BUL, 1948).

Svetoslav Lozanov (🇧🇬 BUL, 1869) won with 5.0/6, ahead of Rostislav Petkov (4.0) and Bozhidar Merdinyan (4.0). Lozanov shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 5: Nikolay Vishev (1535) beat Valeriy Petrov (1721), a +186-point gap.

Location
🇧🇬Plovdiv, Bulgaria
Dates
04 Apr 2026 → 05 Apr 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇧🇬Rostislav Petkov1948
Avg top 10
1,761
Participants
16
Federations · 2 represented
🇧🇬Bulgaria×15
🇩🇪Germany×1
Top 3

How it unfolded

Top 6 · 6 rounds

Svetoslav Lozanov led from R5; +1.0-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R5.

Co-leaders
6
5
1
4
1
1
1.534.56R1R2R3R4R5R6Lozanov takes lead
Lozanov5Petkov4Merdinyan4Merdzhanov3Tomislavov3Vasileva3
R5 · LEADER CHANGE05 Apr

Svetoslav Lozanov takes the sole lead (4.0/5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Svetoslav Lozanov beat Rostislav Petkov (Black).

R4–R6 · WIN STREAK

Svetoslav Lozanov won 3 in a row (R4–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Svetoslav Lozanov*
1
½
—
2Rostislav Petkov
0
*
½
1
3Bozhidar Merdinyan
½
½
*
1
4Vladko Merdzhanov—
0
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Lozanov, Svetoslav1869BUL+5N=4B=3N+15B+2N+10B5.016.518.014.502022+19.0
2Petkov, Rostislav1948BUL+6B=8N+9B=3N−1B+5N4.018.021.012.501849-13.0
3Merdinyan, Bozhidar1806BULF+11N=1B=2B+4N+6N4.017.520.013.002018+51.2
4Tomislavov, Stefan1707BUL+14B=1N=8B+6N−3BF3.018.020.09.001771+9.8
5Vasileva, Cveta1639BUL−1B+14N+11B+8N−10N−2B3.017.019.07.501742+15.2
6Merdzhanov, Vladko1679BUL−2N+16B+7N−4B+13N−3B3.016.016.05.001699+3.2
7Vishev, Nikolay1535BUL=13N=10B−6B+9N+8BF3.014.516.58.251788+33.2
8Petrov, Valeriy1721BUL+16N=2B=4N−5B−7N+15B3.014.514.55.001584-18.2
9Panov, Stanislav T.1630BUL+10N=13B−2N−7B=15N+16B3.013.013.04.251697+16.0
10Katsarski, Martin1808BUL−9B=7NF+11N+5B−1N2.516.519.07.001671-34.8
11Filipov, Kotse1685BUL+15N−3B−5N−10B+16N=14B2.513.013.02.501476-26.6
12Mehmed, Fikret1587BULFFF+16B=14N+13B2.512.012.03.001812+32.4
13Bauer, Matthias1744GER=7B=9N−15B+14N−6B−12N2.013.515.05.001498-32.0
14Nenchev, Georgi1421BUL−4N−5B+16N−13B=12B=11N2.013.013.02.501511+11.4
15Andreev, Andrei Ves.0BUL−11BF+13N−1N=9B−8N1.516.018.03.5015810.0
16Katsarski, Yan1448BUL−8B−6N−14B−12N−11B−9N0.014.016.00.00820-68.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets