Basel Christmas Master Open 2025

SwissStandard

89 players participated in this 9-round tournament, held from 26 Dec 2025 to 30 Dec 2025 in Basel, Switzerland. 43 titled players from 8 federations. Top 10 Elo average was 2463, and top seed was Maxime Lagarde (🇫🇷 FRA, GM, 2608).

Matthieu Cornette (🇫🇷 FRA, GM, 2517) won with 7.5/9, ahead of Maxime Lagarde (7.0) and Boris Chatalbashev (7.0). Cornette shared the lead from round 8 and broke clear in the final round.

The biggest upset came in round 1: Dana Kochavi (FM, 2163) beat Sebastien Maze (GM, 2534), a +371-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 · 9 rounds

Top seed

🇫🇷GMMaxime Lagarde2608

Avg top 10

2,463

Participants

Titled players · 43

GM×7

IM×6

FM×17

CM×4

WGM×1

WIM×2

WFM×5

WCM×1

Federations · 8 represented

🇨🇭Switzerland×24

🇫🇷France×11

🇩🇪Germany×10

🇮🇹Italy×5

🇵🇹Portugal×4

🇬🇧England×4

🇷🇸Serbia×4

🇮🇳India×3

Top 3

🥇
GMMatthieu Cornette
🇫🇷FRA·2517
7.5pts·2617perf+11.3
🥈
GMMaxime Lagarde
🇫🇷FRA·2608
7.0pts·2586perf-0.7
🥉
GMBoris Chatalbashev
🇩🇰DEN·2522
7.0pts·2558perf+4.4

How it unfolded

Top 6 · 9 rounds

GM Matthieu Cornette led from R9; +0.5-point edge over the runner-up. Title race converged from 5 co-leaders at R4 to 1 by R9.

Co-leaders

Cornette7.5Lagarde7Chatalbashev7Mehmed6.5Toktomushev6.5Maze6.5

R9 · LEADER CHANGE30 Dec

GM Matthieu Cornette takes the sole lead (7.5/9).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

GM Matthieu Cornette drew with GM Maxime Lagarde (White).

WIN STREAKS · 2 top finishers

GM Matthieu Cornette 3+3 wins (R1–R3, R7–R9)GM Maxime Lagarde 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMMatthieu Cornette	*	½	½	—
2GMMaxime Lagarde	½	*	—	½
3GMBoris Chatalbashev	½	—	*	½
4WGMElif Mehmed	—	½	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Cornette, MatthieuGM	2517	FRA	+30N	+28B	+40N	=2B	=3B	=7N	+18B	+16B	+9N	7.5	47.0	51.5	41.50	2617	+11.3
2	Lagarde, MaximeGM	2608	FRA	+33B	+29N	+18B	=1N	+5B	=6N	+24B	=11N	=4B	7.0	48.5	53.5	40.25	2586	-0.7
3	Chatalbashev, BorisGM	2522	DEN	+89B	+15N	=4B	+8B	=1N	=16N	=7B	+24N	+11B	7.0	48.5	48.5	35.75	2558	+4.4
4	Mehmed, ElifWGM	2290	SRB	+64B	+75N	=3N	=12B	+8N	−11B	+29N	+10B	=2N	6.5	46.5	49.0	33.00	2522	+54.4
5	Toktomushev, TeimurIM	2412	SUI	+44N	=47B	+58N	+19B	−2N	+28B	=11N	+15B	=12N	6.5	44.5	48.0	32.75	2476	+7.9
6	Maze, SebastienGM	2534	FRA	−37N	+76B	+61N	+13B	+22N	=2B	−16N	+28B	+19N	6.5	42.0	44.5	31.00	2433	-7.3
7	Citak, SelimIM	2314	TUR	+59N	=17B	+35N	=22B	+9N	=1B	=3N	=12B	=8N	6.0	48.0	51.5	33.00	2459	+17.4
8	Besou, HussainIM	2396	GER	+31B	+20N	+26B	−3N	−4B	=33N	+37B	+18N	=7B	6.0	45.5	50.0	31.00	2392	0.0
9	Martinez Ramirez, LennisIM	2409	CUB	+52B	=13N	=23B	+33N	−7B	+58N	+26B	+17N	−1B	6.0	44.0	47.5	28.50	2386	-2.1
10	Lumachi, GabrieleIM	2427	ITA	+21B	=23N	=13B	+49N	=16B	=25N	+39B	−4N	+32B	6.0	43.0	47.0	29.75	2377	-5.3
11	Ostensen, Nicolai MaximeFM	2365	NOR	+57B	−22N	+75B	+85N	+23B	+4N	=5B	=2B	−3N	6.0	43.0	44.5	25.75	2423	+14.6
12	Riff, Jean-NoelGM	2399	FRA	+70B	=49N	+38B	=4N	=25B	=17N	+41B	=7N	=5B	6.0	42.5	45.5	28.75	2350	-4.4
13	Yilmaz, BaverFM	2244	TUR	+60B	=9B	=10N	−6N	−51B	+38N	+63B	+41N	+25B	6.0	40.0	43.5	27.00	2339	+22.2
14	Pavlovic, MilosGM	2403	SRB	+61N	F	=49B	+21N	=18B	−26N	+22B	+23N	+16B	6.0	39.0	39.0	29.25	2432	+3.1
15	Xu, Yang	2266	CHN	+79N	−3B	−85B	+64N	+75B	+60N	+25B	−5N	+24B	6.0	35.0	36.5	21.50	2357	+21.6
16	Farokhi, KeyvanFM	2345	GER	+53N	=58B	+47N	+17B	=10N	=3B	+6B	−1N	−14N	5.5	47.0	50.5	28.75	2437	+23.0
17	Federer, ColinFM	2216	SUI	+51B	=7N	+82B	−16N	+19N	=12B	+27N	−9B	=36N	5.5	43.0	45.0	25.00	2377	+39.4
18	Fiskaaen, Martin HoltenFM	2301	NOR	+73B	+74N	−2N	+37B	=14N	+62B	−1N	−8B	+40N	5.5	42.0	44.5	21.00	2379	+18.6
19	Llari, MarcFM	2285	FRA	=38B	+54N	+50B	−5N	−17B	+74N	+33B	+26N	−6B	5.5	41.0	43.5	22.75	2324	+10.0
20	Schellenberg, Simon	2233	SUI	+63B	−8B	=59N	+38N	=57B	−41N	+60B	=22N	+42B	5.5	35.0	38.5	22.00	2213	-3.8
21	Kappeler, KasparFM	2141	SUI	−10N	+79B	+88N	−14B	−29N	=77B	+51B	+67N	+39B	5.5	33.5	34.5	16.25	2260	+28.0
22	Fernandes Barbosa Dos Santos, GabrielCM	2227	SUI	+78B	+11B	=27N	=7N	−6B	+51N	−14N	=20B	=28N	5.0	44.0	46.5	23.25	2321	+21.8
23	Ternault, MathieuFM	2251	FRA	+55N	=10B	=9N	+42B	−11N	=37B	+30N	−14B	=31N	5.0	43.0	47.0	24.25	2286	+4.0
24	Sedlak, NikolaGM	2394	SRB	−62N	+56B	+70N	+40B	+30N	+27B	−2N	−3B	−15N	5.0	42.0	45.0	21.50	2310	-9.1
25	Ciric, PavleFM	2282	SRB	=42N	+62B	+71N	=27B	=12N	=10B	−15N	+44B	−13N	5.0	41.5	44.5	21.75	2272	-2.2
26	Manko, MariiaWIM	2274	SUI	+84N	+37B	−8N	=62B	+35N	+14B	−9N	−19B	=30N	5.0	41.5	43.0	21.25	2289	+3.2
27	Malinowsky, LeviFM	2321	GER	+66B	+45N	=22B	=25N	+39B	−24N	−17B	=32N	=35B	5.0	39.5	43.0	22.50	2280	-10.8
28	Borne, FelixFM	2261	FRA	+81B	−1N	=57B	+52N	+74B	−5N	+65B	−6N	=22B	5.0	39.0	41.0	16.25	2292	+5.8
29	Zheng, Harry Z	2270	ENG	+80B	−2B	−62N	+66N	+21B	+57N	−4B	F	+34N	5.0	38.5	40.5	19.50	2291	+6.8
30	Tsiapko, Andrii	2143	POL	−1B	+80N	+64B	+43N	−24B	=50N	−23B	+49N	=26B	5.0	38.5	40.5	18.50	2305	+72.8
31	Foerster-Yialamas, LucasCM	2125	GER	−8N	+87B	−43B	+46N	+49B	=32N	=50B	=39N	=23B	5.0	37.5	38.5	18.75	2261	+31.4
32	Frey,Fabian	2227	SUI	=65N	=41B	=34N	=59B	+42N	=31B	+62N	=27B	−10N	5.0	37.0	40.5	21.25	2195	-8.0
33	Chen, Muxi	2177	CHN	−2N	+84B	+83N	−9B	+86N	=8B	−19N	=52B	+55N	5.0	36.0	37.0	13.50	2263	+33.1
34	Keerti Shree ReddyWFM	2092	IND	−82B	+72N	=32B	=50N	+69B	−39N	+45B	+43N	−29B	5.0	34.0	36.0	20.00	2264	+41.0
35	Neuhoff, LaertesFM	2210	GER	+72B	=82N	−7B	+71N	−26B	=52N	=43B	+57N	=27N	5.0	34.0	36.0	17.25	2246	+15.1
36	Pak, Alexander	2282	FRA	=54B	−38N	+81B	−74N	=63B	+75N	=57B	+65N	=17B	5.0	29.5	31.5	16.25	2152	-30.6
37	Kochavi, DanaFM	2163	ISR	+6B	−26N	+66B	−18N	+82B	=23N	−8N	−42B	+60B	4.5	39.5	41.5	18.00	2258	+20.6
38	Gontsul, Artem	2085	UKR	=19N	+36B	−12N	−20B	+76N	−13B	+77N	−40B	+58N	4.5	38.5	41.0	16.25	2202	+26.4
39	Murawski, JanCM	2245	ENG	=68N	=42B	+53N	+86B	−27N	+34B	−10N	=31B	−21N	4.5	38.5	39.5	16.50	2153	-43.2
40	Vuelban, VirgilioIM	2196	PHI	+86B	+43N	−1B	−24N	−60B	+54N	=49B	+38N	−18B	4.5	38.5	39.5	16.00	2219	+2.1
41	Pal, Rohan	2054	ENG	=50B	=32N	+69B	=82N	=58N	+20B	−12N	−13B	=44N	4.5	38.0	40.0	18.50	2244	+86.8
42	Lebedev, LionCM	2083	ENG	=25B	=39N	+45B	−23N	−32B	+66N	=67B	+37N	−20N	4.5	37.5	41.0	19.00	2216	+63.6
43	Collin, Moritz ValentinFM	2285	SUI	+56N	−40B	+31N	−30B	−62N	+70B	=35N	−34B	+64N	4.5	35.5	38.5	18.00	2134	-35.8
44	Colonetti, Fabio	2141	ITA	−5B	=81N	−54B	+77N	+71B	=67N	+58B	−25N	=41B	4.5	32.5	34.5	14.00	2149	+1.4
45	Aeschbacher, Dimitri	2214	SUI	+88N	−27B	−42N	+55B	−65N	+86B	−34N	+59B	=52N	4.5	30.5	31.5	11.50	2096	-55.2
46	Ferreira, Vasco Capitao Mendes	2025	POR	−58N	−66N	+80B	−31B	−61N	+79B	=53N	+68B	+57N	4.5	28.5	30.5	13.00	2117	+45.2
47	Nemeth, ZalanFM	2249	IRL	+48B	=5N	−16B	−57N	F	+85B	F	+73N	+54B	4.5	28.5	28.5	16.25	2280	+7.0
48	Silva, MarianaWFM	2065	POR	−47N	−61B	−86N	+79B	=53N	+84B	−70N	+77B	+67B	4.5	24.5	25.5	11.50	2106	+9.8
49	Patole, Noam	2240	FRA	+87N	=12B	=14N	−10B	−31N	+59B	=40N	−30B	=56N	4.0	40.0	41.0	14.75	2174	-15.6
50	Sahin, OzgunFM	2232	TUR	=41N	+68B	−19N	=34B	+59N	=30B	=31N	F	F	4.0	37.5	41.0	16.75	2175	-10.0
51	Rahimi, Rahim	2018	GER	−17N	−59B	+79N	+53B	+13N	−22B	−21N	+70B	F	4.0	36.5	38.5	15.00	2158	+29.6
52	Rotunno, Flavio	2139	SUI	−9N	=55B	+76N	−28B	+68N	=35B	F	=33N	=45B	4.0	35.5	35.5	15.25	2177	+7.6
53	Menzi, Jonas	2121	SUI	−16B	+78N	−39B	−51N	=48B	=71N	=46B	+63N	=65B	4.0	33.0	35.5	13.75	2056	-16.2
54	De Seroux, CamilleWIM	2082	SUI	=36N	−19B	+44N	−58B	=70N	−40B	+86N	+74B	−47N	4.0	33.0	34.0	12.00	2144	+15.4
55	Python, Noe	2069	SUI	−23B	=52N	=67B	−45N	=66B	=72N	+75B	+69N	−33B	4.0	32.0	34.5	13.00	2119	+12.2
56	Monteverde, Jonathan	2091	SUI	−43B	−24N	−63N	+78B	=72N	=76B	=68N	+61B	=49B	4.0	29.5	32.0	12.50	2095	+0.2
57	Tashkinova, SofiiaWFM	2124	ISR	−11N	+63B	=28N	+47B	=20N	−29B	=36N	−35B	−46B	3.5	40.5	44.0	15.75	2137	+1.6
58	Saminskij, Jan	2220	SUI	+46B	=16N	−5B	+54N	=41B	−9B	−44N	=60N	−38B	3.5	40.0	43.5	15.25	2100	-59.6
59	Schroer, Marcel	2109	NED	−7B	+51N	=20B	=32N	−50B	−49N	+72B	−45N	=69B	3.5	36.5	39.5	14.00	2108	-1.0
60	Moreto Quintana, Alex	2064	ESP	−13N	−70N	+72B	+61B	+40N	−15B	−20N	=58B	−37N	3.5	36.5	39.5	12.75	2098	+7.2
61	Floris, Federico	2133	ITA	−14B	+48N	−6B	−60N	+46B	−63N	=71B	−56N	+78B	3.5	35.5	38.0	13.00	2068	-19.8
62	Zargarov, Mikayel	2125	SUI	+24B	−25N	+29B	=26N	+43B	−18N	−32B	F	F	3.5	35.0	35.0	17.00	2290	+30.2
63	Mangili, Gabriele	2055	ITA	−20N	−57N	+56B	=70B	=36N	+61B	−13N	−53B	=75B	3.5	34.5	37.0	12.75	2085	+12.8
64	Lind, Jacco	2092	NED	−4N	+77B	−30N	−15B	=83N	=68B	=76N	+71B	−43B	3.5	33.5	35.5	9.50	2040	-13.8
65	Marentini, Marcel	2035	SUI	=32B	=69N	=74B	=67N	+45B	F	−28N	−36B	=53N	3.5	33.0	33.0	13.75	2170	+27.2
66	Buchinger, Alexis	2114	GER	−27N	+46B	−37N	−29B	=55N	−42B	+81N	+76B	F	3.5	32.0	32.0	11.00	2084	-14.8
67	Wiebe, Patrick	2220	GER	=83N	−71B	=55N	=65B	+84N	=44B	=42N	−21B	−48N	3.5	31.5	33.0	10.75	1997	-54.2
68	Ercan, Selman	2065	NED	=39B	−50N	=73B	=69N	−52B	=64N	=56B	−46N	+76B	3.5	31.0	33.5	11.75	2046	-5.6
69	Hohelj, Stanislav	2198	UKR	=76N	=65B	−41N	=68B	−34N	=83B	+80N	−55B	=59N	3.5	28.5	30.5	9.50	1979	-53.4
70	Luk, Danbe	2129	HKG	−12N	+60B	−24B	=63N	=54B	−43N	+48B	−51N	−72B	3.0	35.0	38.0	11.75	2028	-52.0
71	Schmitt, Anatole	2051	FRA	F	+67N	−25B	−35B	−44N	=53B	=61N	−64N	+77B	3.0	31.5	31.5	9.75	2056	-0.6
72	Kinberg, Ofer	2015	ISR	−35N	−34B	−60N	F	=56B	=55B	−59N	+80B	+70N	3.0	30.0	30.0	9.00	2018	-0.6
73	Artan, Tamir	2097	SUI	−18N	−88B	=68N	−76B	=78N	+87B	+83N	−47B	F	3.0	24.0	25.0	6.00	2010	-41.2
74	Pahud, Cedric	2183	SUI	+77N	−18B	=65N	+36B	−28N	−19B	F	−54N	F	2.5	34.0	34.0	9.25	2068	-21.8
75	Pintor, Simao	2127	POR	F	−4B	−11N	+83B	−15N	−36B	−55N	+87B	=63N	2.5	34.0	34.0	4.75	2036	-19.8
76	Baldi, Matteo	2011	ITA	=69B	−6N	−52B	+73N	−38B	=56N	=64B	−66N	−68N	2.5	33.0	36.0	8.50	1978	-20.4
77	Graells, Ricardo	1947	SUI	−74B	−64N	+87N	−44B	+80B	=21N	−38B	−48N	−71N	2.5	30.0	31.0	5.75	1933	-3.8
78	Roubert, Emile	2048	FRA	−22N	−53B	=84N	−56N	=73B	−80N	+79B	=81B	−61N	2.5	25.5	27.0	5.25	1942	-25.2
79	Hoffmann, Sebastian	2074	GER	−15B	−21N	−51B	−48N	+81B	−46N	−78N	F	+87B	2.0	30.0	30.0	3.00	1894	-37.8
80	Rindhiya VWFM	2075	IND	−29N	−30B	−46N	+87B	−77N	+78B	−69B	−72N	−81N	2.0	28.0	29.0	3.50	1866	-47.6
81	Thorsteinsdottir, HallgerdurWFM	2070	ISL	−28N	=44B	−36N	−84B	−79N	F	−66B	=78N	+80B	2.0	26.0	26.0	5.50	1942	-26.2
82	Sakthivel Heamish KanhaFM	2301	IND	+34N	=35B	−17N	=41B	−37N	F	F	F	F	2.0	24.5	24.5	9.75	2075	-30.2
83	Bartolo, Filipe Diogo Correia	2023	POR	=67B	=85N	−33B	−75N	=64B	=69N	−73B	F	F	2.0	22.5	22.5	6.00	1990	-6.6
84	Jelicic, Hugo	2082	SUI	−26B	−33N	=78B	+81N	−67B	−48N	−87N	F	F	1.5	23.5	23.5	3.25	1901	-62.0
85	Boschetti, Claudio	2125	SUI	F	=83B	+15N	−11B	F	−47N	F	F	F	1.5	18.5	18.5	7.00	2139	+0.4
86	Novikova, MarharytaWCM	2001	GER	−40N	F	+48B	−39N	−33B	−45N	−54B	F	F	1.0	27.0	27.0	4.50	1890	-15.0
87	Labrovic, Jakov	2061	CRO	−49B	−31N	−77B	−80N	F	−73N	+84B	−75N	−79N	1.0	22.5	22.5	1.50	1774	-52.6
88	Agushi, Agim	2017	SUI	−45B	+73N	−21B	F	F	F	F	F	F	1.0	13.0	13.0	3.00	2025	+0.6
89	Schnell, Simon	2154	SUI	−3N	F	F	F	F	F	F	F	F	0.0	7.0	7.0	0.00	1722	-2.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Pal, RohanENG
+86.8
4.5 pts · #42
2Tsiapko, AndriiPOL
+72.8
5.0 pts · #27
3Lebedev, LionCMENG
+63.6
4.5 pts · #47

Top rating losers

1Jelicic, HugoSUI
-62.0
1.5 pts · #85
2Saminskij, JanSUI
-59.6
3.5 pts · #59
3Aeschbacher, DimitriSUI
-55.2
4.5 pts · #41

Biggest upsets

R1+371 Elo gap
FMKochavi, Dana2163 beat GMMaze, Sebastien2534
R1+269 Elo gap
Zargarov, Mikayel2125 beat GMSedlak, Nikola2394
R5+226 Elo gap
Rahimi, Rahim2018 beat FMYilmaz, Baver2244