CChessStats

Premier Open d'ete de Fontenilles (-2400)

Open SwissStandard

32 players participated in this 6-round tournament, held from 30 Aug 2025 to 31 Aug 2025 in Fontenilles, France. 2 titled players from 4 federations. Top 10 Elo average was 2045, and top seed was Erwan Lever (🇫🇷 FRA, 2226).

Jules Berthou (🇫🇷 FRA, 2115) won with 5.0/6, ahead of Lilio Contie (4.5) and Nathan Grimault (4.5). Berthou shared the lead from round 5 and broke clear in the final round.

The biggest upset came in round 1: Antonios Ducos (1847) beat Nathan Grimault (2130), a +283-point gap.

Location
🇫🇷Fontenilles, France
Dates
30 Aug 2025 → 31 Aug 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇫🇷Erwan Lever2226
Avg top 10
2,045
Participants
32
Titled players · 2
FM×1
CM×1
Federations · 4 represented
🇫🇷France×29
🇮🇹Italy×1
FIDE (no federation)×1
🇦🇩Andorra×1
Top 3

How it unfolded

Top 6 · 6 rounds

Jules Berthou led from R6; +0.5-point edge over the runner-up.

Co-leaders
12
5
1
1
4
1
1.534.56R1R2R3R4R5R6Martinet takes leadBerthou takes lead
R4 · LEADER CHANGE31 Aug

Regis Martinet takes the sole lead (3.5/4).

WIN STREAKS · 3 top finishers

Jules Berthou 3 wins (R4–R6)Nathan Grimault 3 wins (R2–R4)Sergei Shaiduko 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jules Berthou*
1
2Nathan Grimault*
3Sergei Shaiduko
0
*
½
4CMLilio Contie
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Berthou, Jules2115FRA+19B+4N10B+11N+5B+6N5.018.520.517.502186+18.4
2Contie, LilioCM2134FRA+11B=14N+9B=5N+10B=4N4.518.021.015.252116-4.0
3Grimault, Nathan2130FRA12N+8B+7N+16B=6N+10B4.517.520.015.002074-5.8
4Shaiduko, Sergei1897FID+20N1B+23N+14B+13N=2B4.517.519.512.252104+32.0
5Vendeuil-Richard, Maelan1945FRA+30N+12B=6N=2B1N+16B4.019.020.010.752075+40.4
6Martinet, Regis1985FRA+31B+32N=5B+10N=3B1B4.017.518.59.252094+17.6
7Bertrand, Marin1868FRA=26B=13N3B+17N+27B+8N4.015.016.59.751960+14.2
8Posocco De Grandi, Marc1741ITA=13B3N+28B+9N+19N7B3.517.018.58.501962+68.0
9Vine, Thibaut1948FRA=28B+26N2N8B+12N+19B3.514.516.07.251882-8.8
10Cabarcos Baulina, Manuel1971AND+17N+16B+1N6B2N3N3.020.523.010.002000+4.8
11Potemine, Arsene1856FRA2N+30B+15N1B=16N=14B3.018.019.06.751948+13.4
12Ducos, Antonios1847FRA+3B5N13B+20N9B+27N3.017.018.58.001909+18.8
13Garrel, Alain1912FRA=8N=7B+12NF4B+21N3.017.017.08.751890-2.6
14Manasyan, Garnik1922FRA+18B=2B24N4N+22B=11N3.016.518.58.251926-0.2
15Baas, Laurent1901FRA+21B25N11B=27N+26B=18N3.011.012.55.501812-13.8
16Klimchand, Didier1873FRA+22B10N+21B3N=11B5N2.516.518.55.501833-7.8
17Rabier, Jean1763FRA10B21N+26B7B+23N=22N2.513.014.54.501711-9.6
18Martinelli, Matthieu1741FRA14N27BF+31N+28B=15B2.510.010.04.001832+24.4
19Lamarche, Quentin1820FRA1N+20BF+22N8B9N2.016.016.04.001772-8.0
20Mouden, Herve1712FRA4B19N+31B12B21N+26N2.013.014.02.501665-15.2
21Labarbe, Gabriel1736FRA15N+17B16NF+20B13B2.013.013.04.501760+6.0
22Dollon, Layne1702FRA16N+29B=30N19B14N=17B2.011.512.53.251689-4.4
23Lemoine, Elie1667FRA32B+31N4B28N17B+30B2.010.511.52.001676+1.6
24Lever, Erwan2226FRAF+28N+14B2.04.54.54.502674+4.4
25Toulzac, Pierre-YvesFM2074FRA+27N+15B2.03.04.54.502653+8.8
26Piochelle, Pierre Guillaume1658FRA=7N9B17N+30B15N20B1.515.016.03.001630-5.0
27Valyaev, Paul1803FRA25B+18NF=15B7N12B1.514.514.54.001737-19.2
28Marni-sandid, Tarik1749FRA=9N24B8N+23B18N1.511.513.53.751701-9.0
29Nassar, Christophe1762FRAF22N+32BFF=31N1.54.04.01.501785+2.0
30Cruzel, Thierry1743FRA5B11N=22B26N=31B23N1.012.513.51.501496-36.4
31Anfosso, Laurent1781FRA6N23B20N18B=30N=29B1.012.013.01.251496-42.6
32Alexandre, Jacques Junior1871FRA+23N6B29N1.06.07.52.001681-15.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets