Grand Open international de Bayonne 2 (-2400)

SwissStandard

116 players participated in this 6-round tournament, held from 08 Nov 2025 to 09 Nov 2025 in Bayonne, France. 8 titled players from 5 federations. Top 10 Elo average was 2227, and top seed was Tom Decuigniere (🇫🇷 FRA, IM, 2394).

Tom Decuigniere (🇫🇷 FRA, IM, 2394) won with 5.0/6, ahead of Markel Vesga Izeta (5.0) and Clement Candelot (5.0). Decuigniere shared the lead from round 5, winning on tie-break.

The biggest upset came in round 6: Regis Martinet (1999) beat Juan Manuel Ruiz Abad (2299), a +300-point gap.

Location

🇫🇷Bayonne, France

Dates

08 Nov 2025 → 09 Nov 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇫🇷IMTom Decuigniere2394

Avg top 10

2,227

Participants

116

Titled players · 8

IM×1

FM×4

CM×3

Federations · 5 represented

🇫🇷France×96

🇪🇸Spain×11

🇮🇹Italy×1

🇺🇦Ukraine×1

🇻🇪Venezuela×1

Top 3

🥇
IMTom Decuigniere
🇫🇷FRA·2394
5.0pts·2395perf+0.9
🥈
FMMarkel Vesga Izeta
🇪🇸ESP·2252
5.0pts·2290perf+6.6
🥉
Clement Candelot
🇫🇷FRA·2214
5.0pts·2344perf+22.0

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 7 players tied at 5.0/6, decided on Buchholz.

Co-leaders

Martinet5Candelot5Jimenez Almeida5Decuigniere5Vidal5Bader5

R6 · TIEBREAK CLUSTER

7 players finish on 5.0/6. Decuigniere takes the title on Buchholz Cut1 (24.0).

WIN STREAKS · 2 top finishers

Regis Martinet 4 wins (R3–R6)Clement Candelot 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Regis Martinet	*	—	—	0
2Clement Candelot	—	*	—	½
3FMLuis David Jimenez Almeida	—	—	*	½
4IMTom Decuigniere	1	½	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Decuigniere, TomIM	2394	FRA	+20B	+6N	+9B	=3N	+11B	=5N	5.0	24.0	28.0	23.00	2395	+0.9
2	Vesga Izeta, MarkelFM	2252	ESP	+24B	+16N	=13B	+30N	+15B	=3N	5.0	22.0	25.5	20.75	2290	+6.6
3	Candelot, Clement	2214	FRA	+33B	+36N	+51B	=1B	+4N	=2B	5.0	22.0	25.0	20.00	2344	+22.0
4	Vidal, LlewellynFM	2195	FRA	+25B	+22N	+79B	+8N	−3B	+16N	5.0	21.5	23.5	18.50	2256	+12.0
5	Jimenez Almeida, Luis DavidFM	2211	ESP	+101N	+18B	=17N	+27B	+10N	=1B	5.0	21.0	22.5	18.00	2310	+17.2
6	Martinet, Regis	1999	FRA	+34B	−1B	+45N	+25N	+21B	+28N	5.0	20.0	23.0	18.00	2221	+31.6
7	Bader, Thomas	2021	FRA	+95B	+21N	−11B	+33N	+20B	+18N	5.0	20.0	22.0	17.50	2162	+39.2
8	Doyen, RemiFM	2232	FRA	+19N	+12B	=10N	−4B	+65N	+30N	4.5	21.5	24.0	16.75	2184	-2.8
9	Martel Bruniaux, MalkoCM	2187	ESP	+47N	+23B	−1N	+19B	+32N	=12B	4.5	21.0	24.0	16.75	2119	-8.0
10	Serrier, Mathis	2153	FRA	+49B	+54N	=8B	+13N	−5B	+36N	4.5	20.5	23.5	16.25	2207	+10.4
11	Alvarez Perez, AdanCM	2128	ESP	+37N	=68B	+7N	+66B	−1N	+40B	4.5	19.5	22.0	15.75	2140	+4.8
12	Duhau-Marmon, Nicolas	1956	FRA	+52B	−8N	+69B	+26N	+31B	=9N	4.5	19.5	22.0	15.25	2047	+15.8
13	Lauron, Wesley	2016	FRA	+65N	+29B	=2N	−10B	+44N	+27B	4.5	19.5	22.0	15.00	2078	+12.0
14	Ostrovskiy, Vova	1991	FRA	−29N	+62B	+48N	+47B	=23N	+34B	4.5	17.0	20.0	14.50	1923	-13.6
15	Bareyre, Patrick	2065	FRA	=27N	+67B	+85N	+81B	−2N	+49B	4.5	16.0	18.0	11.25	1995	-4.0
16	Grimault, Leane	1974	FRA	+44N	−2B	+53N	+37B	+29N	−4B	4.0	20.0	23.0	13.00	2001	+12.8
17	Herrera Ortega, German AlejandroCM	2111	VEN	+26B	+38N	=5B	+104N	−28N	=23B	4.0	20.0	21.0	13.00	2076	-1.0
18	Zubizarreta Riego, Mikel	1944	ESP	+59B	−5N	+35B	+57N	+73B	−7B	4.0	19.5	22.0	12.00	1934	+1.4
19	Shynkarov, Alexandre	1826	FRA	−8B	+35N	+39B	−9N	+51B	+46N	4.0	19.0	22.0	13.00	1926	+27.2
20	Tunc, Alptug	1837	FRA	−1N	+48B	+92N	+71B	−7N	+50B	4.0	18.5	20.5	10.50	1881	+2.6
21	Legagnoa, Evan	1849	FRA	+62N	−7B	+111N	+70B	−6N	+44B	4.0	18.5	19.5	9.50	1873	+12.0
22	Sarant, Clementin	1872	FRA	+58B	−4B	+83N	−31N	+42B	+52N	4.0	18.0	20.0	11.50	1838	-3.4
23	Junger, Quentin	1870	FRA	+84B	−9N	+88B	+51N	=14B	=17N	4.0	18.0	20.0	11.25	1982	+17.8
24	Martrenchar, Julien	1829	FRA	−2N	+53B	+55N	−28B	+80N	+73B	4.0	17.0	19.0	10.50	1936	+10.8
25	Phelipot, Lucas	1809	FRA	−4N	+78B	+82N	−6B	+88N	+56B	4.0	17.0	19.0	9.00	1860	+6.0
26	Berail, Tristan	1765	FRA	−17N	+91B	+90N	−12B	+83N	+45B	4.0	15.5	17.5	9.00	1800	+10.4
27	Delmotte, Alexandre	1758	FRA	=15B	+50N	+61B	−5N	+104B	−13N	3.5	20.0	21.0	9.25	1901	+20.0
28	Ruiz Abad, Juan Manuel	2299	ESP	+41N	=30B	F	+24N	+17B	−6B	3.5	20.0	20.0	13.25	2126	-16.0
29	Scuttenaire, Enzo	1700	FRA	+14B	−13N	+106B	+54N	−16B	=43N	3.5	19.5	20.5	10.25	1882	+21.6
30	Sayah-Hobon, Noah	1979	FRA	+57B	=28N	+94N	−2B	+67N	−8B	3.5	18.5	20.5	9.25	2016	+16.4
31	Gabaix, Emile	1634	FRA	−68N	+41B	+114N	+22B	−12N	=32B	3.5	18.0	18.0	9.25	1876	+47.6
32	Charbonnel, Eric	0	FRA	=50B	=40N	+46B	+79N	−9B	=31N	3.5	17.5	19.5	10.00	1771	0.0
33	Cuville, Louis	1822	FRA	−3N	+80B	+89N	−7B	+53N	=69B	3.5	17.5	19.5	8.25	1818	-2.0
34	Idiartegaray, Luca	1736	FRA	−6N	=43B	+102N	+78B	+68N	−14N	3.5	17.5	19.0	7.75	1801	+10.8
35	Gabaix, John	1623	FRA	+92N	−19B	−18N	+55B	=41N	+75B	3.5	17.0	19.0	9.25	1593	-2.0
36	Bertrand, Julien	1951	FRA	+72N	−3B	+80N	=65B	+66N	−10B	3.5	17.0	19.0	8.25	1897	-5.2
37	Salvador, Lucie	1795	FRA	−11B	+46N	+97B	−16N	=39B	+104N	3.5	17.0	18.0	7.75	1793	+0.4
38	Join, Etienne	1852	FRA	+70N	−17B	+86N	−44B	+48N	=59B	3.5	15.5	17.5	9.00	1771	-10.8
39	Sayah-Hobon, Gabriel	1573	FRA	+82N	−65B	−19N	+93B	=37N	+67B	3.5	14.5	16.5	8.25	1673	+18.0
40	Fosser, Gaspar	1897	FRA	=67N	=32B	=78N	+85B	+81N	−11N	3.5	14.5	16.5	8.00	1771	-12.6
41	Rihouey, Franck	1830	FRA	−28B	−31N	+107B	+87N	=35B	+94N	3.5	14.5	15.5	6.75	1702	-16.2
42	Miranda, Leo	1518	FRA	=71N	−66B	+76N	+74B	−22N	+70B	3.5	14.0	16.5	8.75	1702	+36.4
43	Sayah-Hobon, Adam	1560	FRA	+108B	=34N	−66N	=95B	+72N	=29B	3.5	14.0	15.0	8.00	1699	+37.2
44	Antunez, Alexandre	1690	FRA	−16B	+56N	+63B	+38N	−13B	−21N	3.0	19.0	22.0	9.50	1779	+8.0
45	Gabaix, Gaston	1428	FRA	+69B	=58N	−6B	=50N	+84B	−26N	3.0	17.5	19.5	7.50	1696	+76.4
46	Hy, Robin	1591	FRA	+55N	−37B	−32N	+82B	+47N	−19B	3.0	17.0	19.0	8.00	1684	+13.2
47	Galhaud, Jean-Philippe	1807	FRA	−9B	+88N	+56B	−14N	−46B	+81N	3.0	17.0	19.0	7.00	1736	-11.4
48	Gallorini, Jean-Christophe	1626	FRA	+87B	−20N	−14B	+64N	−38B	+79N	3.0	17.0	19.0	7.00	1660	+4.0
49	Tholey, Jean-Paul	1800	FRA	−10N	+83B	F	+61N	+58B	−15N	3.0	17.0	17.0	8.00	1884	+9.8
50	Forget, Jeremy	1640	FRA	=32N	−27B	+112N	=45B	+71N	−20N	3.0	16.5	17.0	6.25	1401	-17.0
51	Bazior, Philippe	1606	FRA	+116N	+101B	−3N	−23B	−19N	+82B	3.0	16.5	16.5	3.50	1685	+5.6
52	Aobdia, Tom	1686	FRA	−12N	−81B	+99N	+86B	+60N	−22B	3.0	15.5	17.5	7.00	1606	-23.2
53	Lafon, Denis	1618	FRA	+113B	−24N	−16B	+89N	−33B	+87N	3.0	15.5	16.0	4.50	1568	-6.8
54	Sorochin, Alexandre	1872	FRA	+74N	−10B	+91N	−29B	−69N	+86B	3.0	15.0	17.0	6.50	1704	-49.2
55	Bertin Zhang, Franck	0	FRA	−46B	+75N	−24B	−35N	+110B	+84N	3.0	15.0	16.0	5.50	1481	0.0
56	Ribette, Thibault	1562	FRA	+112N	−44B	−47N	+90B	+57B	−25N	3.0	15.0	15.5	5.50	1562	-0.4
57	Garcia Lopez, Pedro 2015	1697	ESP	−30N	+86B	+110N	−18B	−56N	+92B	3.0	14.5	15.5	5.00	1560	-31.6
58	Jouanna, Paul	1667	FRA	−22N	=45B	+113N	+105B	−49N	=66B	3.0	13.5	14.0	4.25	1489	-36.4
59	Pounchou-Guilhamot, Martin	1671	FRA	−18N	+111B	F	=60N	+79B	=38N	3.0	13.5	13.5	6.25	1747	+20.0
60	Briand Da Silva, Andres	1560	FRA	+109B	=95N	−73N	=59B	−52B	+89N	3.0	12.5	13.5	5.50	1491	-10.0
61	Garcia Gutierrez, Joel	1592	ESP	F	+105B	−27N	−49B	+74N	+68B	3.0	12.5	12.5	6.00	1765	+35.2
62	Angelovici, Eliott	1639	FRA	−21B	−14N	F	+112B	+100N	+85B	3.0	12.5	12.5	4.00	1727	+15.2
63	Demur, Olivier	0	FRA	−80N	+93B	−44N	−72B	+115N	+78B	3.0	11.5	11.5	4.00	1454	0.0
64	Riballet, Jean-Paul	0	FRA	−78N	+115B	−70N	−48B	+114N	+80B	3.0	9.5	9.5	2.00	1429	0.0
65	San, Noeum	1741	FRA	−13B	+39N	+87B	=36N	−8B	F	2.5	18.0	20.0	7.25	1821	+8.0
66	Mora, Jean-Sebastien	1616	FRA	F	+42N	+43B	−11N	−36B	=58N	2.5	18.0	18.0	8.50	1745	+11.8
67	Bert, Lisa	1667	FRA	=40B	−15N	+100B	+96N	−30B	−39N	2.5	17.0	18.5	5.25	1646	-13.2
68	Martinet, Nathan	1849	FRA	+31B	=11N	−104B	+94N	−34B	−61N	2.5	16.5	17.5	7.75	1657	-30.2
69	Temple Boyer, Paul	1629	FRA	−45N	+76B	−12N	F	+54B	=33N	2.5	16.5	17.5	7.25	1682	+8.0
70	Beaumont-Darrodes, Maxime	1652	FRA	−38B	+96N	+64B	−21N	=97B	−42N	2.5	16.0	18.0	6.00	1372	-52.0
71	Teutu, Andrii	0	UKR	=42B	=97N	+84B	−20N	−50B	=103N	2.5	14.5	16.0	5.50	1580	0.0
72	Delbos, Jean-Louis	1678	FRA	−36B	−79N	+109B	+63N	−43B	=77N	2.5	14.5	15.5	5.25	1334	-33.2
73	Lenglet, Tony	1631	FRA	=100B	+98N	+60B	F	−18N	−24N	2.5	14.5	14.5	5.75	1662	+5.6
74	Moreno, Yohann	1656	FRA	−54B	+106N	=96B	−42N	−61B	+105N	2.5	12.5	13.5	3.00	861	-30.0
75	Zhukovskaya, Aleksandra	0	FRA	−81N	−55B	+116N	+91B	=101B	−35N	2.5	12.0	12.0	2.75	1536	0.0
76	Gonzalez Pordomingo, Jordi	0	ESP	=102B	−69N	−42B	−98N	+113B	+107N	2.5	10.5	11.0	2.25	1215	0.0
77	Bernabe, Laurent	1552	FRA	−90N	−82B	−93N	+107B	+109N	=72B	2.5	9.5	10.5	3.25	1678	+3.4
78	Dabat, Laurent	1595	FRA	+64B	−25N	=40B	−34N	=96B	−63N	2.0	17.0	19.0	5.75	1541	-3.6
79	Delage, Yann	1560	FRA	+93N	+72B	−4N	−32B	−59N	−48B	2.0	17.0	19.0	4.50	1541	-7.2
80	Bouezet, Bruno	1615	FRA	+63B	−33N	−36B	+108N	−24B	−64N	2.0	17.0	18.0	4.00	1067	-23.6
81	Gayda, Xavier	1495	FRA	+75B	+52N	F	−15N	−40B	−47B	2.0	16.5	16.5	5.50	1627	+18.0
82	Castanier, Enea	0	FRA	−39B	+77N	−25B	−46N	+102B	−51N	2.0	16.0	17.5	4.00	1476	0.0
83	Nogaledo Garcia, Enzo	1582	ESP	+89B	−49N	−22B	+110N	−26B	−90N	2.0	15.0	16.0	3.00	1012	-25.2
84	Bessiere, Boris	1654	FRA	−23N	+90B	−71N	+92B	−45N	−55B	2.0	14.5	16.5	4.00	849	-40.4
85	Mora, Izei	1605	FRA	F	+102N	−15B	−40N	+98B	−62N	2.0	14.5	14.5	3.50	1638	+2.0
86	Rabetrano, Arthur	1526	FRA	+115B	−57N	−38B	−52N	+99B	−54N	2.0	14.5	14.5	2.00	978	-32.0
87	Kiang, Samuel	1419	FRA	−48N	+99B	−65N	−41B	+93N	−53B	2.0	14.0	16.0	4.00	903	-26.8
88	Benhamdi, Zakary	1591	FRA	+107B	−47B	−23N	+115N	−25B	−96N	2.0	14.0	14.0	1.00	1029	-12.0
89	Bourbon, Leo	0	FRA	−83N	+103N	−33B	−53B	+91N	−60B	2.0	13.5	15.0	3.50	1500	0.0
90	Peraldi, Yann	0	FRA	+77B	−84N	−26B	−56N	F	+83B	2.0	13.5	14.5	4.50	1551	0.0
91	Le Guillou, Francois	1567	FRA	+99B	−26N	−54B	−75N	−89B	+108N	2.0	13.5	14.5	3.00	1019	-15.2
92	FIDE 560020024	0	—	−35B	+109N	−20B	−84N	+108B	−57N	2.0	13.5	14.5	2.00	904	0.0
93	Larralde-Morvan, Kenan	0	FRA	−79B	−63N	+77B	−39N	−87B	+112N	2.0	13.0	13.5	3.00	1333	0.0
94	Radault, Philippe	1599	FRA	F	+100N	−30B	−68B	+105N	−41B	2.0	12.0	12.0	2.50	1587	-6.8
95	Posocco De Grandi, Marc	1751	ITA	−7N	=60B	+108B	=43N	—	—	2.0	11.5	12.5	4.25	1583	-27.6
96	Roger, Ludovic	0	FRA	F	−70B	=74N	−67B	=78N	+88B	2.0	11.5	11.5	4.25	1561	0.0
97	Le Pemp, Alexandre	1556	FRA	F	=71B	−37N	+114B	=70N	F	2.0	11.0	11.0	2.50	1530	-2.8
98	Ducasse, Vincent	1531	FRA	F	−73B	−105N	+76B	−85N	+100B	2.0	9.5	9.5	4.00	1442	-14.0
99	Castanier, Izan	0	FRA	−91N	−87N	−52B	+116B	−86N	+114B	2.0	9.0	9.0	0.00	750	0.0
100	Benhamou, Naomi	1463	FRA	=73N	−94B	−67N	+103B	−62B	−98N	1.5	12.0	13.5	2.75	1422	-12.0
101	Torres, Patrice	1810	FRA	−5B	−51N	F	+113B	=75N	—	1.5	11.0	11.0	1.75	1108	-16.8
102	Beneitez Escudero, Nestor	1477	ESP	=76N	−85B	−34B	F	−82N	+115B	1.5	10.0	10.0	1.25	871	-20.4
103	Pounchou-Guilhamot, Stephane	1618	FRA	−106N	−89B	F	−100N	+112B	=71B	1.5	7.5	7.5	1.75	663	-28.4
104	Mora, Tizio	1593	FRA	F	F	+68N	−17B	−27N	−37B	1.0	13.5	13.5	2.50	1655	+8.4
105	Davaille, Marceau	0	FRA	F	−61N	+98B	−58N	−94B	−74B	1.0	12.5	12.5	2.00	1369	0.0
106	D ` Avout D`auerstae, Kenan	0	FRA	+103B	−74B	−29N	F	F	F	1.0	12.0	13.0	1.50	1533	0.0
107	FIDE 652099253	0	—	−88N	−110B	−41N	−77N	+116B	−76B	1.0	11.5	11.5	0.00	857	0.0
108	FIDE 560037938	0	—	−43N	+116B	−95N	−80B	−92N	−91B	1.0	11.5	11.5	0.00	823	0.0
109	Demur, Gaetan	0	FRA	−60N	−92B	−72N	F	−77B	+113N	1.0	10.5	10.5	0.50	791	0.0
110	Serrano Roussel, Yovan	0	FRA	F	+107N	−57B	−83B	−55N	F	1.0	10.0	10.0	1.00	841	0.0
111	Bert, Nina	1473	FRA	+114B	−59N	−21B	—	—	—	1.0	7.0	7.0	0.00	959	-13.6
112	Choy, Largo	0	FRA	−56B	=113N	−50B	−62N	−103N	−93B	0.5	12.5	13.0	0.25	815	0.0
113	FIDE 560025280	0	—	−53N	=112B	−58B	−101N	−76N	−109B	0.5	11.0	11.5	0.25	898	0.0
114	FIDE 560037920	0	—	−111N	F	−31B	−97N	−64B	−99N	0.0	11.5	11.5	0.00	754	0.0
115	Plessier, Oscar	0	FRA	−86N	−64N	F	−88B	−63B	−102N	0.0	11.5	11.5	0.00	732	0.0
116	FIDE 560037946	0	—	−51B	−108N	−75B	−99N	−107N	F	0.0	9.5	9.5	0.00	806	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Gabaix, GastonFRA
+76.4
3.0 pts · #34
2Gabaix, EmileFRA
+47.6
3.5 pts · #50
3Bader, ThomasFRA
+39.2
5.0 pts · #6

Top rating losers

1Beaumont-Darrodes, MaximeFRA
-52.0
2.5 pts · #88
2Sorochin, AlexandreFRA
-49.2
3.0 pts · #32
3Bessiere, BorisFRA
-40.4
2.0 pts · #102

Biggest upsets

R6+300 Elo gap
Martinet, Regis1999 beat Ruiz Abad, Juan Manuel2299
R1+291 Elo gap
Scuttenaire, Enzo1700 beat Ostrovskiy, Vova1991
R6+257 Elo gap
Garcia Gutierrez, Joel1592 beat Martinet, Nathan1849