CChessStats

DIUP Boys 9

Open SwissStandard

28 players participated in this 7-round tournament, held from 31 Oct 2025 to 03 Nov 2025 in Borovetz, Bulgaria. Top 10 Elo average was 1537, and top seed was Pavel Lozanov (🇧🇬 BUL, 1680).

Ivan Ekimov (🇧🇬 BUL, 1615) won with 6.0/7, ahead of Valeri P. Petrov (5.5) and Momchil Kotsev (5.0). Ekimov shared the lead from round 4 and won solo starting round 6.

The biggest upset came in round 6: Valeri P. Petrov (1502) beat Pavel Lozanov (1680), a +178-point gap.

Location
🇧🇬Borovetz, Bulgaria
Dates
31 Oct 2025 → 03 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇧🇬Pavel Lozanov1680
Avg top 10
1,537
Participants
28
Federations · 1 represented
🇧🇬Bulgaria×21
Top 3

How it unfolded

Top 6 · 7 rounds

Ivan Ekimov led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders
12
5
1
3
2
1
1
23.55.57R1R2R3R4R5R6R7Ekimov takes lead
Ekimov6Petrov5.5Kotsev5Hadzhiev5Tsvetkov5Yolov5
R6 · LEADER CHANGE02 Nov

Ivan Ekimov takes the sole lead (5.5/6).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Ivan Ekimov beat Valeri P. Petrov (White).

WIN STREAKS · 2 top finishers

Ivan Ekimov 4 wins (R3–R6)Valeri P. Petrov 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ivan Ekimov*
1
1
—
2Valeri P. Petrov
0
*
½
1
3Momchil Kotsev
0
½
*—
4Daniel V. Hadzhiev—
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Ekimov, Ivan1615BUL+9N=10B+13N+2B+7N+3B=4N6.028.032.027.501811+55.2
2Petrov, Valeri P.1502BUL+22N+23B+21B−1N+5N+7B=3N5.525.527.519.001745+40.0
3Kotsev, Momchil1574BUL+16B+14N=4B+8N+11B−1N=2B5.028.531.520.251552-4.8
4Yolov, Kaloyan1433BUL+15N+24B=3N−7B+8N+9N=1B5.027.529.519.501544+13.6
5Hadzhiev, Daniel V.0BUL+11B−6N+23B+12N−2B+14N+9B5.026.028.017.5015210.0
6Tsvetkov, Boril1530BUL+19N+5B=7N−21B=10B+16N+11B5.023.526.019.251611+20.4
7Lozanov, Pavel1680BUL+26B+12N=6B+4N−1B−2N+16B4.528.529.515.501506-70.8
8Nikolov, Georgi Ros.0BUL=17N+?B+10N−3B−4B+22N+12B4.523.523.512.0014900.0
9Dzhigolinov, Yoan0BUL−1B+18N+14B+16N+21N−4B−5N4.025.528.012.0014220.0
10Dimitrov, Aleksandar M.1426BUL+18B=1N−8B+17B=6N−11N+24B4.025.527.513.501542+24.0
11Petkov, Velizar1580BUL−5N+17B+19N+20B−3N+10B−6N4.025.028.013.001487-25.2
12Todorov, Valentin S.1422BUL+25N−7B+15N−5B+20N+21B−8N4.023.024.510.501705+25.6
13Georgiev, Stefan K.1420BUL+20B−21N−1B−18N+25B+23N+22B4.019.020.59.00804-20.8
14Kirilov, Boris0BUL+?N−3B−9N+24B+19N−5B=21N3.521.521.56.2515620.0
15FIDE 29775320—−4B+28N−12B+26N−16B=25N+27N3.515.515.52.756280.0
16Ibryamov, Deniz0BUL−3N+25B+24N−9B+15N−6B−7N3.024.025.57.008320.0
17Peev, Bogdan1437BUL=8B−11N+27B−10N=23B+18N−20B3.020.521.57.25717-32.0
18Roglev, Teodor0BUL−10N−9B+?N+13B−22N−17B+26N3.018.518.55.0014520.0
19FIDE 29731970—−6B+27N−11B+25N−14B−24N+23B3.018.019.04.507550.0
20Stoyanov, Krum0BUL−13NF+26B−11N−12B+?B+17N3.016.016.04.0014090.0
21Genov, Krum1592BULF+13B−2N+6N−9B−12N=14B2.526.026.010.751475-25.2
22FIDE 29731620—−2B−26N+28B=23N+18B−8B−13N2.520.020.04.006860.0
23Todorov, Momchil Kaloyan0BUL+27B−2N−5N=22B=17N−13B−19N2.023.024.03.7511970.0
24Tonchev, Mario0BULF−4N−16B−14N+26B+19B−10N2.019.519.54.006310.0
25FIDE 29741930—−12B−16NF−19B−13N=15B+28N1.517.517.51.756210.0
26FIDE 29656820—−7N+22B−20N−15B−24NF−18B1.018.518.52.5010180.0
27FIDE 29660770—−23N−19B−17N−?BF+28N−15B1.011.511.50.006810.0
28FIDE 29699390—F−15B−22NF−?N−27B−25B0.011.011.00.007210.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets