Basel Christmas Experts Open 2025

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86 players participated in this 7-round tournament, held from 26 Dec 2025 to 30 Dec 2025 in Basel, Switzerland. 6 titled players from 8 federations. Top 10 Elo average was 2040, and top seed was Sergejs Gromovs (🇮🇹 ITA, FM, 2097).

Jonas Christian Hecht (🇩🇪 GER, 2091) won with 6.0/7, ahead of Sergejs Gromovs (6.0) and Alpgiray Aksoy (5.5). Hecht won on tie-break after catching the field in the final round.

The biggest upset came in round 4: Alpgiray Aksoy (1675) beat Slobodan Adzic (FM, 2017), a +342-point gap.

Location

🇨🇭Basel, Switzerland

Dates

26 Dec 2025 → 30 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇮🇹FMSergejs Gromovs2097

Avg top 10

2,040

Participants

Titled players · 6

FM×4

WCM×2

Federations · 8 represented

🇨🇭Switzerland×45

🇫🇷France×14

🇩🇪Germany×12

🇮🇹Italy×4

🇮🇳India×2

🇹🇷Turkiye×1

🇱🇺Luxembourg×1

🇩🇰Denmark×1

Top 3

🥇
Jonas Christian Hecht
🇩🇪GER·2091
6.0pts·2219perf+19.6
🥈
FMSergejs Gromovs
🇮🇹ITA·2097
6.0pts·2197perf+14.8
🥉
Alpgiray Aksoy
🇹🇷TUR·1675
5.5pts·2213perf+178.8

How it unfolded

Top 6 · 7 rounds

Tight race until R6; 2 players tied at 6.0/7, decided on Buchholz.

Co-leaders

Gromovs6Hecht6Romanovskyi5.5Arhan5.5Aksoy5.5Malli5.5

R6 · LEADER CHANGE29 Dec

FM Sergejs Gromovs takes the sole lead (5.5/6).

R7 · TIEBREAK CLUSTER

2 players finish on 6.0/7. Hecht takes the title on Buchholz Cut1 (28.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

FM Sergejs Gromovs drew with Jonas Christian Hecht (Black).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMSergejs Gromovs	*	½	—	—
2Jonas Christian Hecht	½	*	—	—
3Ivan Romanovskyi	—	—	*	—
4Tanguy Arhan	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Hecht, Jonas Christian	2091	GER	+45N	+25B	+21N	=2B	=3N	+23B	+11N	6.0	28.0	31.0	25.25	2219	+19.6
2	Gromovs, SergejsFM	2097	ITA	+67B	+24N	+34B	=1N	+32B	+3B	=4N	6.0	28.0	30.0	24.25	2197	+14.8
3	Aksoy, Alpgiray	1675	TUR	+49N	+18B	+6B	+10N	=1B	−2N	+19B	5.5	30.0	33.0	24.00	2213	+178.8
4	Malli, Shiivesh Sunil	1978	SUI	+62N	=28B	+39N	=9B	+47N	+7N	=2B	5.5	26.0	28.5	21.25	2066	+14.0
5	Arhan, Tanguy	2077	FRA	+27B	−13N	+31B	+24N	+19N	=44B	+9N	5.5	24.5	27.5	21.50	2101	+4.4
6	Romanovskyi, Ivan	1937	SUI	+48N	+54B	−3N	+45B	+12N	=22B	+44N	5.5	23.0	26.0	18.50	2088	+52.8
7	Pheng, Wissam	2006	FRA	+42N	+57B	=9N	=16B	+18N	−4B	+21N	5.0	26.0	29.0	19.00	2039	+7.0
8	Edoecs, Joseph	2002	SUI	+35B	=20N	−32B	+46B	+69N	=29N	+18B	5.0	22.0	24.0	16.50	1959	-5.4
9	Goetschi, Fabian	1820	SUI	+83N	+15B	=7B	=4N	+36B	=11N	−5B	4.5	28.5	29.5	16.50	2050	+86.4
10	Adzic, SlobodanFM	2017	SUI	+31N	+14B	=13N	−3B	+28N	=26B	=15N	4.5	27.0	30.5	18.50	1935	-12.6
11	Kandic, MilanFM	2000	SRB	=46N	+70B	+28N	=13B	+16N	=9B	−1B	4.5	26.5	28.5	16.50	1958	-5.4
12	Tchenash, Alexej	2015	UKR	+17B	=32N	=33B	+57N	−6B	=14N	+35B	4.5	25.0	28.0	16.75	1909	-16.0
13	Schebacher, Lionel	1871	FRA	+65N	+5B	=10B	=11N	−44B	+48N	=22N	4.5	24.5	27.0	17.50	2028	+30.2
14	Schebacher, Leane	1858	FRA	+53B	−10N	+35B	−23N	+40B	=12B	+37N	4.5	23.5	26.5	15.75	1946	+34.4
15	Jud, Marc	1980	SUI	+38B	−9N	=27B	=20N	+67B	+50N	=10B	4.5	23.5	25.5	14.75	1930	-7.6
16	Delmonico, Nils	1929	SUI	+69N	=61B	+36N	=7N	−11B	=31B	+26N	4.5	23.0	25.0	15.00	2035	+17.0
17	Vilain, Philip	1776	GER	−12N	+63B	−18N	=51B	+66N	+60B	+34B	4.5	20.0	22.5	12.50	1919	+54.4
18	Schwab, Felix	1934	SUI	+40B	−3N	+17B	+50N	−7B	+20N	−8N	4.0	27.5	30.5	15.00	1882	-8.6
19	Assakali, Hani	1947	FRA	+29B	F	+61N	+33N	−5B	+37B	−3N	4.0	24.5	24.5	13.50	1842	-22.8
20	Hecht, Uwe	1827	GER	+64N	=8B	−22N	=15B	+38N	−18B	+48B	4.0	24.0	26.5	13.75	1895	+14.4
21	Gafner, Lancelot	1911	SUI	+52B	+77N	−1B	+67N	−23B	+42N	−7B	4.0	23.5	25.0	10.00	1897	-4.4
22	Sutter, Julian	1998	SUI	F	+66N	+20B	−32N	+33B	=6N	=13B	4.0	23.5	23.5	15.00	1923	-18.8
23	Kuenzli, Simon	1996	SUI	F	+68B	=46N	+14B	+21N	−1N	=29B	4.0	23.5	23.5	14.00	1952	-4.2
24	Gkegkas, Michail	1899	GER	+71N	−2B	+48N	−5B	−31N	+68B	+46N	4.0	23.0	25.0	10.00	1867	-4.2
25	Stroebel, Yannick	1879	SUI	+55B	−1N	F	+52N	=35B	=27N	+33B	4.0	23.0	23.0	13.25	1904	+4.4
26	Aeschbacher, Gregoire	1833	SUI	−33B	+52N	=38B	+39N	+61B	=10N	−16B	4.0	22.5	25.0	13.00	1800	-11.2
27	Rahimi, Kron	1790	GER	−5N	+65B	=15N	−60B	+51N	=25B	+55N	4.0	22.5	25.0	12.75	1880	+33.2
28	Borne, Maxim	1828	FRA	+78B	=4N	−11B	+68N	−10B	+61N	=36B	4.0	22.5	24.0	10.50	1879	+16.8
29	Vanhooren, Julien	1745	BEL	−19N	F	+78B	+58B	+60N	=8B	=23N	4.0	20.0	20.0	11.50	2011	+83.2
30	Ernst, RolfFM	1929	SUI	F	−44B	+51N	+62B	−37N	+47B	+31N	4.0	18.5	18.5	12.00	1847	-9.4
31	Lippsmeier, Julien	1780	SUI	−10B	+53N	−5N	+77B	+24B	=16N	−30B	3.5	25.5	27.0	10.75	1861	+22.0
32	Steinacher, Janis	1849	SUI	+63N	=12B	+8N	+22B	−2N	F	F	3.5	25.5	25.5	13.75	2101	+33.4
33	Bujes, Aurelien	1632	SUI	+26N	+60B	=12N	−19B	−22N	+41B	−25N	3.5	24.0	26.5	12.25	1873	+62.0
34	Kumar, Shreyank	1910	SUI	+37N	+51B	−2N	−47B	=45N	+56B	−17N	3.5	23.0	26.0	11.00	1846	-17.2
35	Bangerter, EnaWCM	1760	SUI	−8N	+79B	−14N	+83B	=25N	+58B	−12N	3.5	22.5	23.5	7.50	1819	+21.2
36	Agafonov, Yuri Dr	2096	LAT	F	+75N	−16B	+41B	−9N	+69B	=28N	3.5	20.0	20.0	9.00	1803	-33.8
37	Papageorgiou Martinella, Ilios	1714	SUI	−34B	=80N	+76B	+73N	+30B	−19N	−14B	3.5	19.5	21.0	8.25	1821	+38.4
38	Klipsch, Norbert	1754	GER	−15N	+64B	=26N	F	−20B	+76N	+50B	3.5	19.5	19.5	9.00	1791	+8.0
39	Brentegani, Romeo	1738	FRA	F	+76N	−4B	−26B	=49N	+72B	+54N	3.5	19.0	19.0	8.00	1859	+42.8
40	Metz, Lucas	1742	GER	−18N	+83B	−57N	+84B	−14N	=49B	+63N	3.5	18.0	18.5	5.50	1721	-8.0
41	Mirino, Alessio	0	SUI	−75B	=56N	+66B	−36N	+53B	−33N	+71B	3.5	17.5	19.0	9.00	1705	0.0
42	Malinowsky, Celina	1763	GER	−7B	+85N	=60N	+49B	F	−21B	+47N	3.5	17.5	17.5	7.25	1865	+13.2
43	Halilovic, Dario	1509	FRA	=59N	−46B	−62N	+70B	+82N	+45B	F	3.5	17.0	18.5	8.00	1822	+95.2
44	Radt, Volker	1987	SUI	F	+30N	=50B	F	+13N	=5N	−6B	3.0	25.5	25.5	12.75	1993	+1.2
45	Hildwein, Kenzo	1790	FRA	−1B	+55N	+75B	−6N	=34B	−43N	=53B	3.0	24.5	26.0	7.75	1703	-29.9
46	Borne, Milan	1757	FRA	=11B	+43N	=23B	−8N	−57B	+65N	−24B	3.0	24.0	26.5	10.25	1793	+10.8
47	Koeck, Rainer	0	SUI	=50B	=49N	+73B	+34N	−4B	−30N	−42B	3.0	22.5	24.5	8.50	1816	0.0
48	Garcia Bertram, Samuel	1742	SUI	−6B	+81N	−24B	+75N	+54B	−13B	−20N	3.0	22.5	24.0	6.00	1705	-6.2
49	Jaussi, Kevin	1895	SUI	−3B	=47B	+70N	−42N	=39B	=40N	=56B	3.0	22.0	24.0	8.50	1663	-37.4
50	Metz, Marcus	1793	GER	=47N	+74B	=44N	−18B	+55N	−15B	−38N	3.0	21.0	23.0	8.00	1744	-8.0
51	Vorsilka, Jiri	1642	CZE	+80B	−34N	−30B	=17N	−27B	=70N	+67B	3.0	20.0	21.5	6.75	1769	+21.4
52	Lachausse, Bruno	1731	SUI	−21N	−26B	+63N	−25B	+64N	−54B	+76B	3.0	20.0	21.5	6.50	1670	-11.0
53	Gireada, Lucas	1659	SUI	−14N	−31B	+64N	=72B	−41N	+62B	=45N	3.0	19.5	21.5	7.50	1756	+30.8
54	Marcussen, Claus	1797	DEN	+81B	−6N	+77B	F	−48N	+52N	−39B	3.0	19.5	21.0	6.00	1649	-19.0
55	Barros, Gustavo	1673	SUI	−25N	−45B	+79N	+59B	−50B	+67N	−27B	3.0	19.0	20.5	6.50	1731	+20.8
56	Besou, Jad	1708	GER	−60N	=41B	−58N	+74B	+80B	−34N	=49N	3.0	17.5	19.0	6.75	1760	+14.4
57	Mogasale, Chetan	1832	IND	+79N	−7N	+40B	−12B	+46N	F	F	3.0	17.5	17.5	8.00	1895	+17.6
58	Sperzel, Bernd	1878	SUI	F	F	+56B	−29N	+71B	−35N	+61B	3.0	15.0	15.0	7.50	1723	-16.4
59	Gautier, Marc	1826	FRA	=43B	F	F	−55N	+84N	=63B	+68N	3.0	13.5	13.5	5.50	1605	-22.0
60	Shibata, MisakiWCM	1899	JPN	+56B	−33N	=42B	+27N	−29B	−17N	−69B	2.5	22.5	24.5	8.75	1634	-49.8
61	Licini, Gino	0	SUI	+86B	=16N	−19B	+80N	−26N	−28B	−58N	2.5	21.0	21.0	3.75	1776	+16.0
62	Maffeis, Fabio	1749	ITA	−4B	=78N	+43B	−30N	−68B	−53N	+75B	2.5	19.5	21.0	5.75	1577	-32.6
63	Fluekiger, Kurt	1646	SUI	−32B	−17N	−52B	+79N	+75B	=59N	−40B	2.5	19.0	20.5	4.50	1614	-7.6
64	Zhang, Zichen	1510	SUI	−20B	−38N	−53B	+85N	−52B	+77N	=70B	2.5	17.0	17.0	2.50	1521	+1.2
65	Marquis, Roland	1662	SUI	−13B	−27N	=81B	=76N	+83N	−46B	=72N	2.5	16.5	17.5	3.50	1567	-18.4
66	Bonauer, Stephan	1668	SUI	F	−22B	−41N	+81N	−17B	=73B	+83N	2.5	16.5	16.5	3.50	1707	+4.4
67	Maffeis, Federico	1790	ITA	−2N	+71B	+84N	−21B	−15N	−55B	−51N	2.0	22.5	23.0	2.50	1557	-35.2
68	Brandes, Stefan	1592	SUI	F	−23N	+72B	−28B	+62N	−24N	−59B	2.0	19.5	19.5	4.50	1732	+17.8
69	Schorno, Wim	1739	SUI	−16B	+86N	F	F	−8B	−36N	+60N	2.0	18.5	18.5	2.50	1890	+17.2
70	Guarisco, Renzo	1695	SUI	F	−11N	−49B	−43N	+81B	=51B	=64N	2.0	18.0	18.0	4.25	1544	-24.4
71	Bratosin, Vicentiu	1677	SUI	−24B	−67N	+85B	F	−58N	+74B	−41N	2.0	14.5	14.5	2.00	1660	-3.0
72	Mackels, Jean-Louis	1848	FRA	−77B	F	−68N	=53N	+78B	−39N	=65B	2.0	14.0	14.0	4.25	1576	-35.4
73	Gnad, Gunnar	1798	LUX	=74N	=84B	−47N	−37B	F	=66N	=79B	2.0	13.0	13.0	3.25	1527	-28.4
74	Cheremensky, Maxim	1477	GER	=73B	−50N	−80B	−56N	+85B	−71N	=82N	2.0	13.0	13.0	1.75	1586	+29.2
75	Haefeli, Tanja	1492	SUI	+41N	−36B	−45N	−48B	−63N	=82B	−62N	1.5	18.0	19.5	4.25	1365	-22.4
76	Lanchec, Sacha	1422	FRA	F	−39B	−37N	=65B	+77N	−38B	−52N	1.5	17.5	17.5	2.75	1353	-16.4
77	Jovanovic, Slavko	0	SUI	+72N	−21B	−54N	−31N	−76B	−64B	=78N	1.5	16.5	18.0	2.75	1470	-44.8
78	Hoffmann, Steffen	1593	GER	−28N	=62B	−29N	=82B	−72N	−79B	=77B	1.5	15.5	17.0	2.75	1483	-15.2
79	Hildwein, Kenji	1597	FRA	−57B	−35N	−55B	−63B	F	+78N	=73N	1.5	15.5	15.5	2.50	1524	-22.0
80	Collison, Joris	1843	SUI	−51N	=37B	+74N	−61B	−56N	F	F	1.5	14.0	14.0	3.75	1549	-60.4
81	Tuor, Elena	1461	SUI	−54N	−48B	=65N	−66B	−70N	−83B	+85N	1.5	14.0	14.0	1.25	1438	-4.0
82	Boettcher, Andreas G.	1770	SUI	F	F	F	=78N	−43B	=75N	=74B	1.5	8.5	8.5	2.50	1431	-69.2
83	Cerina, Antonio	1500	ITA	−9B	−40N	F	−35N	−65B	+81N	−66B	1.0	18.0	18.0	1.50	1413	-12.6
84	Stevens, Thomas	0	SUI	F	=73N	−67B	−40N	−59B	F	F	0.5	10.5	10.5	1.00	1468	0.0
85	Wipf, Armin	1615	SUI	F	−42B	−71N	−64B	−74N	F	−81B	0.0	11.5	11.5	0.00	777	-55.0
86	Patel, Palak	1882	IND	−61N	−69B	F	F	F	F	F	0.0	4.5	4.5	0.00	939	-13.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Aksoy, AlpgirayTUR
+178.8
5.5 pts · #5
2Halilovic, DarioFRA
+95.2
3.5 pts · #31
3Goetschi, FabianSUI
+86.4
4.5 pts · #9

Top rating losers

1Boettcher, Andreas G.SUI
-69.2
1.5 pts · #74
2Collison, JorisSUI
-60.4
1.5 pts · #76
3Wipf, ArminSUI
-55.0
0.0 pts · #85

Biggest upsets

R4+342 Elo gap
Aksoy, Alpgiray1675 beat FMAdzic, Slobodan2017
R6+281 Elo gap
Halilovic, Dario1509 beat Hildwein, Kenzo1790
R5+276 Elo gap
Goetschi, Fabian1820 beat Agafonov, Yuri Dr2096