CChessStats

XXXVe Open du Perreux-sur-Marne Principal -2400

Open SwissStandard

30 players participated in this 5-round tournament, held from 10 May 2025 to 11 May 2025 in Le Perreux Sur Marne, France. 4 titled players from 6 federations. Top 10 Elo average was 2082, and top seed was Milanto Harifidy Ralison (🇲🇬 MAD, IM, 2272).

Boris Kolodziejczyk (🇫🇷 FRA, CM, 2192) won with 4.5/5, ahead of Loic Fournier (4.5) and Victor Chalampuente (4.0). Kolodziejczyk shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Yoann Ili (1779) beat Moawia Ahmed Holi Ali (CM, 2034), a +255-point gap.

Location
🇫🇷Le Perreux Sur Marne, France
Dates
10 May 2025 → 11 May 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇲🇬IMMilanto Harifidy Ralison2272
Avg top 10
2,082
Participants
30
Titled players · 4
IM×1
CM×3
Federations · 6 represented
🇫🇷France×25
🇲🇨Monaco×1
🇮🇳India×1
🇲🇽Mexico×1
🇸🇩Sudan×1
🇲🇬Madagascar×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
13
6
2
2
2
1.52.545R1R2R3R4R5
Kolodziejczyk4.5Fournier4.5Ralison4Chalampuente4Leblic3Berthaut3
R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Kolodziejczyk takes the title on Buchholz Cut1 (14.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

CM Boris Kolodziejczyk drew with Loic Fournier (White).

WIN STREAKS · 2 top finishers

CM Boris Kolodziejczyk 3 wins (R1–R3)Loic Fournier 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMBoris Kolodziejczyk*
½
—
1
2Loic Fournier
½
*——
3IMMilanto Harifidy Ralison——*—
4Victor Chalampuente
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Kolodziejczyk, BorisCM2192FRA+11N+28B+3N=2B+7N4.514.015.012.752329+25.6
2Fournier, Loic2174FRA+17B+13N+5B=1N+6B4.513.015.012.752317+14.0
3Chalampuente, Victor1945FRA+22B+21N−1B+11N+12B4.010.511.57.002083+33.6
4Ralison, Milanto HarifidyIM2272MAD=12N+24B+16B=14N+5B4.010.011.08.502180-6.6
5Leblic, Matthieu1986FRA+25N+29B−2N+13B−4N3.012.013.04.502030+6.2
6Sepahpour, Shervine1916FRA+30N−9B+18N+16B−2N3.011.512.04.502020+26.0
7Berthaut, Alexandre1994MNC+26B−16N+23B+21N−1B3.08.59.53.001917-7.8
8Peluso, Matteo1874FRA−29N+26B−11N+19N+21B3.06.07.03.501871+0.2
9Zaragoza Alanis, Miguel ArnulfoCM2209MEX+23B+6NFF+16N3.06.06.06.002647+12.4
10Nosperger, Mael1846FRA−24N+25B−14N+22B+23N3.05.56.53.001889+10.1
11Chamarre, Charles1798FRA−1B+27N+8B−3B=13N2.514.015.05.251913+13.2
12Briquet, Tom1814FRA=4B−19N+17B+15B−3N2.512.514.06.501966+32.0
13Plancq, Matthieu1869FRA+27B−2B+24N−5N=11B2.511.012.03.251865-2.4
14Balaguru Vinodhkumar2096INDF+17N+10B=4B—2.59.09.07.002243+11.2
15Dorval, Olivier1843FRA−21B+22N=19B−12N+20B2.56.57.53.251798-6.2
16Ili, Yoann1779FRA+19B+7B−4N−6N−9B2.013.014.54.501989+44.0
17Touati, Bruno1792FRA−2N−14B−12N+30B+22N2.010.511.01.501842+3.2
18Kvashyna, Tetyana1837FRAF+20N−6B+27N—2.05.55.52.501902+5.4
19Ahmed Holi Ali, MoawiaCM2034SUD−16N+12B=15N−8B—1.58.010.03.751741-31.0
20Maurice, Olivier1732FRA−28N−18B+26N=25B−15N1.56.57.51.501672-8.2
21Denevert, Michel1667FRA+15N−3BF−7B−8N1.012.513.52.501721+3.8
22Brumant, Jean-claude1743FRA−3N−15B+30N−10N−17B1.011.512.00.501594-17.8
23Kolodziejczyk, Alexandre1813FRA−9N+30B−7NF−10B1.010.010.50.501755-16.4
24Levi, Simon1681FRA+10B−4N−13BF—1.09.510.53.001807+15.2
25Audinot, Florian1752FRA−5B−10N−27B=20N=30B1.08.59.01.001558-24.4
26Harvel, Andy1771FRA−7N−8N−20BF+27B1.08.58.51.001628-30.0
27Jacquet, Stephane1683FRA−13N−11B+25N−18B−26N1.08.09.01.001565-27.6
28Ternisien, Clement1902FRA+20B−1NF——1.06.07.01.501962+2.4
29Bouvier, Clement1724FRA+8B−5N———1.03.06.03.001930+10.4
30Mostefai, Malik1741FRA−6B−23N−22B−17N=25N0.57.08.00.501438-31.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets