Wohlen Amateur Open 2025

Open SwissStandard

58 players participated in this 5-round tournament, held from 22 Aug 2025 to 24 Aug 2025 in Wohlen, Switzerland. 2 titled players from 8 federations. Top 10 Elo average was 2081, and top seed was Vadim Cernov (🇷🇴 ROU, IM, 2290).

Vadim Cernov (🇷🇴 ROU, IM, 2290) won with 4.5/5, ahead of Henrik Cernov (4.5) and Gilles Rossier (4.0). Cernov shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Marco Eigenmann (1759) beat Lutz Grabe (2105), a +346-point gap.

Location

🇨🇭Wohlen, Switzerland

Dates

22 Aug 2025 → 24 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇷🇴IMVadim Cernov2290

Avg top 10

2,081

Participants

Titled players · 2

IM×1

FM×1

Federations · 8 represented

🇨🇭Switzerland×47

🇩🇪Germany×3

🇮🇹Italy×2

🇺🇦Ukraine×1

🇷🇴Romania×1

🇷🇺Russia×1

🇸🇰Slovakia×1

🇬🇺Guam×1

Top 3

🥇
IMVadim Cernov
🇷🇴ROU·2290
4.5pts·2316perf+1.3
🥈
FMHenrik Cernov
🇩🇪GER·2258
4.5pts·2263perf+0.8
🥉
Gilles Rossier
🇨🇭SUI·1897
4.0pts·2186perf+34.6

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz.

Co-leaders

Cernov4.5Cernov4.5Boschetti4Jud4Ingielewicz4Rossier4

R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Cernov takes the title on Buchholz Cut1 (14.0).

WIN STREAKS · 3 top finishers

FM Henrik Cernov 3 wins (R3–R5)IM Vadim Cernov 4 wins (R1–R4)Claudio Boschetti 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMHenrik Cernov	*	—	—	—
2IMVadim Cernov	—	*	½	—
3Claudio Boschetti	—	½	*	—
4Marc Jud	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Cernov, VadimIM	2290	ROU	+44N	+20B	+15N	+3B	=4N	4.5	14.0	15.5	13.50	2316	+1.3
2	Cernov, HenrikFM	2258	GER	+28B	=25N	+17B	+5N	+7B	4.5	13.0	15.5	14.25	2263	+0.8
3	Rossier, Gilles	1897	SUI	+37B	+18N	+12B	−1N	+13B	4.0	13.5	15.5	11.00	2186	+34.6
4	Boschetti, Claudio	2094	SUI	+50B	+34N	+13B	=7N	=1B	4.0	13.0	14.0	10.00	2203	+14.4
5	Ingielewicz, Tomasz	1889	SUI	+47N	+23B	+16N	−2B	+15N	4.0	13.0	14.0	9.50	2172	+68.8
6	Jud, Marc	1946	SUI	+46N	=55B	+35B	=12N	+25B	4.0	9.0	9.5	7.75	2078	+16.2
7	Deuber, Roman	2005	SUI	+39N	+41B	+14N	=4B	−2N	3.5	13.5	15.5	9.00	2105	+13.8
8	Romanovskyi, Ivan	1986	SUI	−22B	+37N	+27B	=26N	+21B	3.5	10.0	12.0	8.25	1897	-18.8
9	Madhavan, Kailash	1911	SUI	−42B	+19N	+39B	=21N	+22B	3.5	10.0	11.5	8.75	1864	-10.8
10	Grabe, Lutz	2105	GER	−21N	=43B	+38N	+40B	+26B	3.5	9.0	10.5	7.25	1903	-19.0
11	von Burg, Carl Alexander	1904	SUI	F	+42N	=33B	+24B	+14N	3.5	9.0	9.0	8.00	2016	+8.6
12	Angelovski, Emanuel	2079	SUI	+29N	+30B	−3N	=6B	=17N	3.0	13.5	16.0	8.50	1922	-36.8
13	Kulikov, Mikhail L	1907	RUS	+43N	+21B	−4N	+23B	−3N	3.0	13.0	14.5	6.50	1903	+0.2
14	Ramella, Stefano	1878	ITA	+19B	+22N	−7B	+33N	−11B	3.0	12.5	14.5	7.50	1847	-2.4
15	Selinga, Jan	1981	SUI	+54B	+31N	−1B	+55N	−5B	3.0	11.5	12.0	3.50	1975	-1.0
16	Gontsul, Artem	2027	UKR	+27B	+36N	−5B	−25N	+35B	3.0	11.0	13.0	6.50	1889	-16.0
17	Trubini, Timon	1810	SUI	=51N	+57B	−2N	+34B	=12B	3.0	10.5	10.5	4.00	1913	+18.4
18	Garrison, Kyle	1777	GUM	+58N	−3B	−24N	+38B	+33N	3.0	10.5	10.5	4.00	1655	-24.8
19	Guarisco, Renzo	1664	SUI	−14N	−9B	+50B	+48N	+55B	3.0	8.5	9.0	2.50	1856	+25.4
20	Domschke, Mischa	1864	SUI	+48B	−1N	F	+54B	+29N	3.0	8.5	8.5	4.00	2026	+30.4
21	Eigenmann, Marco	1759	SUI	+10B	−13N	+45B	=9B	−8N	2.5	13.5	15.0	6.75	1890	+11.6
22	Petitpierre, Fabricio	1730	SUI	+8N	−14B	=30N	+36B	−9N	2.5	12.5	14.5	6.75	1889	+41.6
23	Steiner, Remo	1728	SUI	+32B	−5N	+36B	−13N	=31B	2.5	12.0	14.0	5.75	1885	+20.2
24	Keller, Mike	1584	SUI	−34B	+28N	+18B	−11N	=27B	2.5	11.5	13.5	6.75	1823	+58.8
25	Christen, Michael	1877	SUI	+56N	=2B	F	+16B	−6N	2.5	11.5	11.5	5.25	2058	+36.0
26	Schroers, Uwe	1825	GER	=33B	=45N	+42B	=8B	−10N	2.5	10.5	12.0	5.00	1837	+1.0
27	Gunzinger, Severin	1749	SUI	−16N	+52B	−8N	+45B	=24N	2.5	10.5	11.5	3.75	1702	-13.2
28	Gwerder, Simon	1825	SUI	−2N	−24B	+51N	=49B	+43N	2.5	9.5	10.5	3.00	1714	-30.4
29	Reikowski, Manuel	1753	SUI	−12B	=49N	+56B	+32N	−20B	2.5	9.5	9.5	3.00	1825	+16.0
30	Tahedl, Milo	1842	SUI	+49B	−12N	=22B	−35N	+54N	2.5	8.5	9.0	2.75	1772	-18.4
31	Abeln, Dirk	1818	SUI	+52N	−15B	=54N	=46B	=23N	2.5	8.0	8.5	3.25	1739	-10.0
32	Mattenberger, Dominik	1982	SUI	−23N	=47B	+43N	−29B	+49N	2.5	7.5	8.5	3.00	1681	-70.0
33	Fischer, Richard	1573	SUI	=26N	+40B	=11N	−14B	−18B	2.0	12.0	14.0	5.00	1760	+42.8
34	Pinelli, Gian	1861	SUI	+24N	−4B	F	−17N	+44B	2.0	11.0	11.0	4.00	1808	-10.8
35	Oeztuerk, Ilhan	1744	SUI	F	+51B	−6N	+30B	−16N	2.0	10.5	10.5	3.50	1830	+17.2
36	Phung, Felix	1828	SUI	+38N	−16B	−23N	−22N	+48B	2.0	10.0	11.0	3.00	1656	-46.0
37	Warstat, Michael	1676	SUI	−3N	−8B	−52N	+53B	+51N	2.0	9.5	10.5	2.00	1627	-8.4
38	Ar, Orkun	1574	SUI	−36B	+50N	−10B	−18N	+47B	2.0	9.5	10.5	2.00	1727	+35.6
39	Navarini, Vincent	1735	SUI	−7B	+53N	−9N	+52B	F	2.0	9.0	9.0	2.00	1756	+2.8
40	Paholok, Adam	1774	SVK	F	−33N	+47B	−10N	+42B	2.0	8.0	8.0	2.50	1757	-6.0
41	Donauer Daniel	1812	SUI	+53B	−7N	+48B	F	F	2.0	5.5	5.5	2.00	1839	+3.0
42	Ar, Doruk	1683	SUI	+9N	−11B	−26N	=44B	−40N	1.5	11.5	13.0	4.25	1683	-1.2
43	Gong, Yansheng	1679	SUI	−13B	=10N	−32B	+56N	−28B	1.5	11.5	11.5	1.75	1734	+7.6
44	Stolper, Felix	1744	SUI	−1B	−48N	+53B	=42N	−34N	1.5	9.0	10.0	1.75	1616	-38.8
45	Stevens, Thomas	0	SUI	F	=26B	−21N	−27N	+57B	1.5	7.5	7.5	1.25	1504	0.0
46	Nazheskin, Alexey	1701	SUI	−6B	F	+57N	=31N	F	1.5	6.5	6.5	1.25	1689	-1.6
47	Speerli, Maria	1665	SUI	−5B	=32N	−40N	=51B	−38N	1.0	10.5	11.5	1.75	1503	-42.0
48	Gheorghiu, Alexandru	1587	SUI	−20N	+44B	−41N	−19B	−36N	1.0	10.0	11.5	1.50	1543	-11.2
49	Minacci, Matteo	1580	SUI	−30N	=29B	F	=28N	−32B	1.0	10.0	10.0	2.50	1657	+5.6
50	Baisse, Rose	1754	SUI	−4N	−38B	−19N	F	+52B	1.0	10.0	10.0	1.00	1528	-49.2
51	Schneider, Eliana Maylen	1504	SUI	=17B	−35N	−28B	=47N	−37B	1.0	9.5	10.5	2.00	1504	-1.2
52	Gaggia, Michele	1560	ITA	−31B	−27N	+37B	−39N	−50N	1.0	9.0	10.0	2.00	1507	-12.0
53	Isch,Moritz	1548	SUI	−41N	−39B	−44N	−37N	+56B	1.0	7.5	7.5	0.00	1478	-16.4
54	Schuepbach, Hanspeter	1727	SUI	−15N	F	=31B	−20N	−30B	0.5	11.0	11.0	1.25	1554	-14.6
55	Paholok, Igor	1790	SUI	F	=6N	F	−15B	−19N	0.5	10.0	10.0	2.00	1591	-14.2
56	Eichelberger, Matthias	1611	SUI	−25B	F	−29N	−43B	−53N	0.0	7.5	7.5	0.00	914	-61.2
57	FIDE 1375148	0	—	F	−17N	−46B	F	−45N	0.0	7.0	7.0	0.00	956	0.0
58	Birrer, Noel	0	SUI	−18B	F	F	F	F	0.0	3.5	3.5	0.00	977	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Ingielewicz, TomaszSUI
+68.8
4.0 pts · #5
2Keller, MikeSUI
+58.8
2.5 pts · #23
3Fischer, RichardSUI
+42.8
2.0 pts · #30

Top rating losers

1Mattenberger, DominikSUI
-70.0
2.5 pts · #25
2Eichelberger, MatthiasSUI
-61.2
0.0 pts · #58
3Baisse, RoseSUI
-49.2
1.0 pts · #46

Biggest upsets

R1+346 Elo gap
Eigenmann, Marco1759 beat Grabe, Lutz2105
R1+256 Elo gap
Petitpierre, Fabricio1730 beat Romanovskyi, Ivan1986
R1+254 Elo gap
Steiner, Remo1728 beat Mattenberger, Dominik1982