Apatin Winter Open 2025

Open SwissStandard

18 players participated in this 7-round tournament, held from 26 Dec 2025 to 30 Dec 2025 in Apatin, Serbia. 3 titled players from 7 federations. Top 10 Elo average was 2121, and top seed was Dmitrij Osetrov (🇷🇺 RUS, FM, 2305).

Aldar Indzhiev (🇷🇺 RUS, 2219) won with 5.0/7, ahead of Dmitrij Osetrov (5.0) and Emanuel Lazic (5.0). Indzhiev shared the lead from round 6, winning on tie-break.

The biggest upset came in round 2: Yichen Zhao (1550) beat Radislav Sakic (1885), a +335-point gap.

Location

🇷🇸Apatin, Serbia

Dates

26 Dec 2025 → 30 Dec 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇷🇺FMDmitrij Osetrov2305

Avg top 10

2,121

Participants

Titled players · 3

FM×2

CM×1

Federations · 7 represented

🇷🇸Serbia×9

🇭🇺Hungary×3

🇷🇺Russia×2

🇹🇷Turkiye×1

FIDE (no federation)×1

🇦🇿Azerbaijan×1

🇧🇦Bosnia and Herzegovina×1

Top 3

🥇
Aldar Indzhiev
🇷🇺RUS·2219
5.0pts·2267perf+11.0
🥈
FMDmitrij Osetrov
🇷🇺RUS·2305
5.0pts·2251perf-6.8
🥉
FMEmanuel Lazic
🇧🇦BIH·2196
5.0pts·2200perf+5.8

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 6 players tied at 5.0/7, decided on Buchholz.

Co-leaders

Indzhiev5Girgis5Osetrov5Lazic5Andabaka5Seker5— ex-leaders:Zuqanovled R3, #10

R4 · LEADER CHANGE28 Dec

FM Dmitrij Osetrov takes the sole lead (3.5/4).

R7 · TIEBREAK CLUSTER

6 players finish on 5.0/7. Indzhiev takes the title on Buchholz Cut1 (28.5).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Aldar Indzhiev drew with Lazar Girgis (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Aldar Indzhiev	*	½	½	½
2Lazar Girgis	½	*	½	½
3FMDmitrij Osetrov	½	½	*	½
4FMEmanuel Lazic	½	½	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Indzhiev, Aldar	2219	RUS	+9N	=5B	=2N	+6B	=10N	+7B	=3N	5.0	28.5	32.0	22.75	2267	+11.0
2	Osetrov, DmitrijFM	2305	RUS	+13B	+8N	=1B	+10B	=3N	=4N	=5B	5.0	27.5	30.5	20.50	2251	-6.8
3	Lazic, EmanuelFM	2196	BIH	+11N	=7B	=5N	+12B	=2B	+10N	=1B	5.0	26.5	29.5	19.75	2200	+5.8
4	Seker, Gokhan	2055	TUR	+15N	+6B	−10N	+7B	=5N	=2B	+12B	5.0	26.0	28.0	19.50	2182	+43.6
5	Girgis, Lazar	2093	SRB	+16B	=1N	=3B	+14N	=4B	+13N	=2N	5.0	25.5	27.0	17.00	2199	+45.2
6	Andabaka, Zeljko	2199	SRB	+14B	−4N	+12B	−1N	+8B	+11N	+10B	5.0	24.0	26.5	16.50	2127	-6.0
7	Fisher, TimofeyCM	2058	FID	+12B	=3N	+8B	−4N	+14B	−1N	+13B	4.5	25.0	27.5	15.00	2100	+11.6
8	Copic, Branko	2079	SRB	+18N	−2B	−7N	+9B	−6N	+17B	+15N	4.0	22.0	22.0	7.50	1953	-15.0
9	Sakic, Radislav	1885	SRB	−1B	−12N	+16B	−8N	+17B	+14N	+18N	4.0	17.5	17.5	5.50	1824	-9.0
10	Zuqanov, Ali	2029	AZE	+17B	+13N	+4B	−2N	=1B	−3B	−6N	3.5	28.0	29.5	12.00	2102	+9.8
11	Lin, Zhengyuan	1757	SRB	−3B	=17N	−14B	+18N	+15B	−6B	+16N	3.5	17.5	17.5	4.25	1809	+4.8
12	Zhao, Yichen	1550	HUN	−7N	+9B	−6N	−3N	+18B	+16B	−4N	3.0	25.0	25.0	5.50	1804	+72.8
13	Wang, Luomeng	1979	HUN	−2N	−10B	+18N	+15B	+16N	−5B	−7N	3.0	21.5	21.5	3.50	1841	-41.2
14	Kuduz, Nikola	1801	SRB	−6N	+18B	+11N	−5B	−7N	−9B	=17N	2.5	23.5	23.5	4.25	1801	-3.0
15	Drljaca, Dalibor	0	SRB	−4B	=16N	=17B	−13N	−11N	+18B	−8B	2.0	18.5	18.5	1.50	1668	0.0
16	Petrovic, Goran N	1731	SRB	−5N	=15B	−9N	+17N	−13B	−12N	−11B	1.5	20.5	22.0	2.50	1053	-71.6
17	Zhao, Xinshu	0	HUN	−10N	=11B	=15N	−16B	−9N	−8N	=14B	1.5	19.5	21.0	4.00	1607	0.0
18	Gracev, Vladimir	1563	SRB	−8B	−14N	−13B	−11B	−12N	−15N	−9B	0.0	20.0	22.0	0.00	1020	-50.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Zhao, YichenHUN
+72.8
3.0 pts · #8
2Girgis, LazarSRB
+45.2
5.0 pts · #2
3Seker, GokhanTUR
+43.6
5.0 pts · #7

Top rating losers

1Petrovic, Goran NSRB
-71.6
1.5 pts · #18
2Gracev, VladimirSRB
-50.4
0.0 pts · #17
3Wang, LuomengHUN
-41.2
3.0 pts · #12

Biggest upsets

R2+335 Elo gap
Zhao, Yichen1550 beat Sakic, Radislav1885
R6+181 Elo gap
Zhao, Yichen1550 beat Petrovic, Goran N1731
R2+144 Elo gap
Seker, Gokhan2055 beat Andabaka, Zeljko2199