Djerba International Chess Festival 2026 Open B

Open SwissStandard

68 players participated in this 9-round tournament, held from 07 Feb 2026 to 15 Feb 2026 in Djerba-Tunisia, Tunisia. 4 titled players from 8 federations. Top 10 Elo average was 2021, and top seed was Jean-Michel Bigonnet (🇫🇷 FRA, 2091).

Jean-Michel Bigonnet (🇫🇷 FRA, 2091) won with 8.5/9, ahead of Ajili Rayen (7.0) and Gregoire Dejardin (6.5). Bigonnet won solo starting round 4.

The biggest upset came in round 4: Jayad Abidi (1740) beat Alexandre Herbin (1933), a +193-point gap.

Location

🇹🇳Djerba-Tunisia, Tunisia

Dates

07 Feb 2026 → 15 Feb 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇫🇷Jean-Michel Bigonnet2091

Avg top 10

2,021

Participants

Titled players · 4

CM×2

WFM×1

WCM×1

Federations · 8 represented

🇹🇳Tunisia×25

🇫🇷France×24

🇩🇿Algeria×5

🇧🇪Belgium×2

🇲🇦Morocco×2

🇱🇻Latvia×1

🇨🇳China×1

🇩🇪Germany×1

Top 3

🥇
Jean-Michel Bigonnet
🇫🇷FRA·2091
8.5pts·2401perf+48.2
🥈
CMAjili Rayen
🇹🇳TUN·1950
7.0pts·2119perf+38.4
🥉
Gregoire Dejardin
🇫🇷FRA·1977
6.5pts·2083perf+26.8

How it unfolded

Top 6 · 9 rounds

Jean-Michel Bigonnet led from R4; +1.5-point edge over the runner-up.

Co-leaders

Bigonnet8.5Rayen7Chelly6.5Deboosere6.5Dejardin6.5Fogel6

R4–R9 · LEAD HELD

Jean-Michel Bigonnet never relinquished the lead after R4; final gap +1.5 over the runner-up.

R8 · HEAD-TO-HEAD · WINNER VS 2ND

Jean-Michel Bigonnet drew with CM Ajili Rayen (Black).

WIN STREAKS · 3 top finishers

Jean-Michel Bigonnet 7 wins (R1–R7)CM Ajili Rayen 3 wins (R5–R7)Hichem Chelly 4 wins (R5–R8)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Jean-Michel Bigonnet	*	½	—	—
2CMAjili Rayen	½	*	½	—
3Hichem Chelly	—	½	*	—
4Adam Moussa Deboosere	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Bigonnet, Jean-Michel	2091	FRA	+35B	+18N	+16B	+6N	+15B	+14N	+17B	=2N	+3B	8.5	44.5	49.0	45.50	2401	+48.2
2	Ajili RayenCM	1950	TUN	=64N	+45B	=4N	=11B	+32N	+22B	+16N	=1B	+6N	7.0	44.5	46.0	35.00	2119	+38.4
3	Dejardin, Gregoire	1977	FRA	+21B	+40N	−15B	+31N	=6B	+20N	+10B	+17N	−1N	6.5	44.5	48.5	32.00	2083	+26.8
4	Chelly, Hichem	1842	TUN	=37B	+57N	=2B	−17N	+42B	+18N	+36B	+14N	=7B	6.5	40.0	43.0	29.50	2050	+100.0
5	Deboosere, Adam Moussa	1948	ALG	+54B	+62N	+36B	=15N	−14B	=7N	=19B	+23N	+10B	6.5	38.5	40.5	27.50	2070	+30.0
6	Minde, Timothe	2005	FRA	+19B	+23N	+17B	−1B	=3N	+11N	=14B	+15N	−2B	6.0	47.5	52.5	31.25	2067	+29.6
7	Fogel, Pierre	2019	BEL	F	+49N	+24B	=23N	+30B	=5B	=27N	+9B	=4N	6.0	41.5	41.5	30.00	2026	+2.0
8	Hafsa,Yessine	1834	TUN	=65N	−9B	−45N	+55B	=50N	+51B	+18B	+36N	+17B	6.0	32.0	33.5	22.25	1929	+39.2
9	Belhout, Ahmed Zoubaier	1725	TUN	=31B	+8N	=12B	=28N	+23B	−10N	+11B	−7N	+35B	5.5	43.0	47.5	28.50	1994	+124.8
10	Underwood, Jon	1980	ENG	=32N	+53B	+26N	=38B	=20N	+9B	−3N	+27B	−5N	5.5	42.0	45.0	25.25	1930	-10.0
11	Azreug, Lazhar	1849	ALG	+33N	−16B	+55N	=2N	+28B	−6B	−9N	+40B	+34N	5.5	41.5	44.5	24.50	1945	+24.0
12	Leidorf, Sebastian	2078	GER	+43N	−26B	=9N	+48B	=29N	=25B	F	+47N	+19B	5.5	36.5	36.5	23.75	1972	-18.4
13	Denninger, Gael	1940	FRA	+50B	=52N	=20B	−19N	−49B	+62N	+46B	=21N	+33B	5.5	32.0	34.0	19.50	1836	-22.6
14	Zerarga,ImeneWFM	1973	ALG	=53N	+32B	+27N	+22B	+5N	−1B	=6N	−4B	F	5.0	47.0	50.0	25.50	2014	+18.0
15	Zenaidi, Sadok	2020	TUN	+58N	+25B	+3N	=5B	−1N	=27B	+38N	−6B	F	5.0	46.5	49.5	24.25	2036	+3.2
16	Hoekstra, Peter	1986	NED	+56B	+11N	−1N	+25B	−17B	+31N	−2B	+28N	F	5.0	45.5	48.5	23.00	2005	+3.2
17	Aili, Lucas	1947	FRA	+61N	+55B	−6N	+4B	+16N	+38B	−1N	−3B	−8N	5.0	45.5	48.0	21.00	1950	+1.0
18	Herbin, Alexandre	1933	FRA	+51N	−1B	+43N	−20B	+33N	−4B	−8N	+32B	+37N	5.0	43.0	46.0	20.00	1855	-18.4
19	Kwiatkowski,Antoni	1811	SUI	−6N	+68B	+34N	+13B	−22N	+26B	=5N	=25B	−12N	5.0	43.0	43.0	20.75	1983	+40.2
20	Abidi, Jayad	1740	FRA	+28B	=38B	=13N	+18N	=10B	−3B	−25N	+31N	=23B	5.0	42.0	46.0	24.50	1965	+99.2
21	Dahmani, SamiCM	1781	TUN	−3N	+63B	−25N	=34B	+39N	+47N	=22B	=13B	=27N	5.0	39.0	41.0	19.50	1918	+31.8
22	Denninger, Guilhem	2050	FRA	=24B	+60N	+47B	−14N	+19B	−2N	=21N	−26B	+49N	5.0	38.5	41.0	19.00	1885	-36.8
23	Ben Amor, MeriemWCM	1861	TUN	+68N	−6B	+64N	=7B	−9N	+56B	+24N	−5B	=20N	5.0	38.5	38.5	15.00	1879	+8.0
24	Cherad, Mohammed	1825	ALG	=22N	=34B	−7N	=39B	+45N	+41N	−23B	=30B	+38N	5.0	37.5	41.0	20.75	1932	+24.8
25	Charfeddine, Akram	1880	TUN	+66B	−15N	+21B	−16N	+62B	=12N	+20B	=19N	F	5.0	37.5	39.0	18.75	1954	+15.2
26	Zenaidi, Mokhtar	1900	TUN	+59B	+12N	−10B	−36N	+51B	−19N	+37B	+22N	F	5.0	37.0	40.0	20.50	1985	+17.8
27	Beaurain, Yanis	1861	FRA	=57B	+67N	−14B	+62N	+46B	=15N	=7B	−10N	=21B	5.0	35.0	35.5	15.50	1908	+11.0
28	Mendili,Jahed	1915	TUN	−20N	+54B	+58N	=9B	−11N	+49N	=33B	−16B	+52N	5.0	34.5	37.5	17.00	1823	-43.6
29	Tkitek Mohamed Mejed	1856	TUN	−62B	=50N	+60B	+37N	=12B	−36N	+52B	+38B	F	5.0	31.0	33.0	17.75	1925	+14.0
30	Carpentier, Jean-Christophe	1846	FRA	=67B	+37N	F	+53B	−7N	F	+45B	=24N	+39B	5.0	26.0	26.0	17.25	1943	+18.2
31	Hileyan, Michel	1860	FRA	=9N	=39B	+51N	−3B	+40N	−16B	=32N	−20B	+48N	4.5	38.0	41.0	17.50	1812	-11.8
32	Hafsa, Adem	1782	TUN	=10B	−14N	+50B	+41N	−2B	=46N	=31B	−18N	+47B	4.5	38.0	41.0	17.25	1891	+26.2
33	Tlili Faouzi	1725	TUN	−11B	+56N	=40B	+47N	−18B	+35N	=28N	=34B	−13N	4.5	37.5	40.5	17.75	1873	+70.4
34	Schmittheisler, Guillaume	1933	FRA	=60B	=24N	−19B	=21N	+52B	=37N	+49B	=33N	−11B	4.5	35.0	37.5	16.50	1764	-39.8
35	Kempinski, Andre	1827	FRA	−1N	−51B	+65N	=64B	+60N	−33B	+50N	+41B	−9N	4.5	32.5	34.0	11.75	1789	-10.4
36	Cousin, Emmanuel	2003	FRA	+48N	+44B	−5N	+26B	−38N	+29B	−4N	−8B	F	4.0	40.5	40.5	17.50	1873	-27.8
37	Belkhayat Zouggari, Omar	1714	MAR	=4N	−30B	+61N	−29B	+48N	=34B	−26N	+46N	−18B	4.0	38.0	40.5	15.00	1815	+48.0
38	Brionne, Thierry	1951	FRA	+49B	=20N	+52B	=10N	+36B	−17N	−15B	−29N	−24B	4.0	37.5	40.5	15.25	1824	-29.2
39	Mileiko, Juris	1707	LAT	=47B	=31N	−46B	=24N	−21B	=44N	+51N	+56B	−30N	4.0	33.5	36.5	14.50	1776	+16.8
40	Vasseur, Christian	1831	FRA	+63B	−3B	=33N	=52N	−31B	=50B	+60N	−11N	=46B	4.0	33.0	35.0	11.50	1746	-20.0
41	Sevin, Pascal	1892	FRA	=45N	=64B	=48N	−32B	+53N	−24B	+42B	−35N	=43B	4.0	32.0	33.5	13.25	1737	-37.2
42	Nahom,Perez	1690	TUN	−44N	−48B	+54N	+58B	−4N	+43B	−41N	F	+56B	4.0	31.0	34.0	13.00	1820	+55.2
43	Marceil, Jean	1827	FRA	−12B	+59N	−18B	−51N	+57B	−42N	=61N	+60B	=41N	4.0	30.0	32.5	11.75	1768	-14.6
44	Badya, Vasily	1838	FRA	+42B	−36N	−62B	−49N	−54N	=39B	+64N	=53B	+50N	4.0	26.0	27.5	12.00	1724	-28.2
45	Sazlik, Mucahit	1736	TUR	=41B	−2N	+8B	−46N	−24B	+48B	−30N	−54N	+65B	3.5	37.0	38.5	13.00	1746	+1.6
46	Delille, Victor	1845	FRA	−55N	=61B	+39N	+45B	−27N	=32B	−13N	−37B	=40N	3.5	33.5	36.0	13.00	1703	-35.6
47	Houssein, Mohamed Bilal	1840	DJI	=39N	+65B	−22N	−33B	+64N	−21B	+53N	−12B	−32N	3.5	33.0	34.5	8.00	1733	-54.8
48	Ghanem, Khaled	1810	TUN	−36B	+42N	=41B	−12N	−37B	−45N	+66B	+55N	−31B	3.5	32.5	34.0	10.50	1745	-17.4
49	Majdoub,Elae	1757	TUN	−38N	−7B	+68N	+44B	+13N	−28B	−34N	F	−22B	3.0	38.0	38.0	9.50	1835	+27.2
50	Ben Youssef, Chedly	1749	TUN	−13N	=29B	−32N	+66B	=8B	=40N	−35B	=57N	−44B	3.0	36.5	38.0	10.50	1694	-13.0
51	Mallah,Abderrahmane	1744	TUN	−18B	+35N	−31B	+43B	−26N	−8N	−39B	+66N	−54B	3.0	36.0	37.5	10.00	1694	-24.0
52	Sun, Qingquan	1672	CHN	F	=13B	−38N	=40B	−34N	+54B	−29N	+59N	−28B	3.0	34.0	34.0	10.75	1777	+37.6
53	Abdou, Mohamed	1769	COM	=14B	−10N	+57B	−30N	−41B	+66N	−47B	=44N	F	3.0	33.0	34.5	9.00	1766	-2.0
54	Haouari, Amor	1756	TUN	−5N	−28N	−42B	F	+44B	−52N	−59B	+45B	+51N	3.0	32.0	32.0	10.50	1698	-12.8
55	Brasseur, Paul	1716	BEL	+46B	−17N	−11B	−8N	=58N	+64B	=56N	−48B	F	3.0	31.0	31.0	8.00	1743	+4.2
56	Pascot, Jean	1787	FRA	−16N	−33B	=66N	+59B	+63B	−23N	=55B	−39N	−42N	3.0	30.5	32.0	7.25	1635	-37.2
57	Echcharbiny, Wissal	1726	MAR	=27N	−4B	−53N	=61B	−43N	+65B	=58N	=50B	F	3.0	28.5	28.5	8.25	1700	-6.8
58	Ertemi,Ibrahim K	1814	LBA	−15B	+66N	−28B	−42N	=55B	=59N	=57B	−61N	=63N	3.0	27.5	29.0	7.00	1649	-40.0
59	Chargui, Saleh	1736	TUN	−26N	−43B	=63N	−56N	+61B	=58B	+54N	−52B	F	3.0	26.5	28.5	8.00	1686	-11.8
60	Baffier, Jean-Louis	1743	FRA	=34N	−22B	−29N	+65B	−35B	+63N	−40B	−43N	F	2.5	30.5	32.0	5.75	1695	-11.0
61	Guegan, Michel	1754	FRA	−17B	=46N	−37B	=57N	−59N	F	=43B	+58B	F	2.5	25.5	25.5	8.25	1700	-11.2
62	Bensaid,Brahim	1725	ALG	+29N	−5B	+44N	−27B	−25N	−13B	F	F	F	2.0	31.0	31.0	9.00	1763	+5.6
63	Jaouadi, Saif Eddine	1683	TUN	−40N	−21N	=59B	+68B	−56N	−60B	−65N	F	=58B	2.0	23.5	23.5	3.00	1569	-46.0
64	Chaouech,Oussama	1756	TUN	=2B	=41N	−23B	=35N	−47B	−55N	−44B	F	F	1.5	33.5	35.5	7.75	1616	-42.8
65	Mallah,Mohamed Khalil	1685	TUN	=8B	−47N	−35B	−60N	−66B	−57N	+63B	F	−45N	1.5	26.5	26.5	5.00	1515	-62.4
66	Gonzalez, Gregory	1731	FRA	−25N	−58B	=56B	−50N	+65N	−53B	−48N	−51B	F	1.5	25.0	25.0	3.00	1528	-39.4
67	Weslati,Monem	1720	TUN	=30N	−27B	F	F	F	F	F	F	F	0.5	10.0	10.0	2.50	1661	-2.8
68	Marrakchi, Mahdi	1728	TUN	−23B	−19N	−49B	−63N	F	F	F	F	F	0.0	17.5	17.5	0.00	978	-69.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Belhout, Ahmed ZoubaierTUN
+124.8
5.5 pts · #12
2Chelly, HichemTUN
+100.0
6.5 pts · #3
3Abidi, JayadFRA
+99.2
5.0 pts · #30

Top rating losers

1Marrakchi, MahdiTUN
-69.2
0.0 pts · #68
2Mallah,Mohamed KhalilTUN
-62.4
1.5 pts · #64
3Houssein, Mohamed BilalDJI
-54.8
3.5 pts · #48

Biggest upsets

R4+193 Elo gap
Abidi, Jayad1740 beat Herbin, Alexandre1933
R5+183 Elo gap
Majdoub,Elae1757 beat Denninger, Gael1940
R2+178 Elo gap
Zenaidi, Mokhtar1900 beat Leidorf, Sebastian2078