CChessStats

1er Tournoi Pierre Dormoy (-1800)

Open SwissStandard

28 players participated in this 6-round tournament, held from 21 Jun 2025 to 22 Jun 2025 in Valdoie, France. Top 10 Elo average was 1686, and top seed was Jean-Marc Tschudi (🇫🇷 FRA, 2025).

Arthur Marche (🇫🇷 FRA, 1797) won with 4.5/6, ahead of Michel Vernay (4.5) and Pierre-Marie Bonnot (4.0). Marche took the lead from round 4, winning on tie-break.

The biggest upset came in round 5: Silas Sage (1608) beat Julien Demanget (1724), a +116-point gap.

Location
🇫🇷Valdoie, France
Dates
21 Jun 2025 → 22 Jun 2025
Time control
Standard: 50 minutes with 10 seconds increment from move 1
System
Swiss · 6 rounds
Avg top 10
1,686
Participants
28
Federations · 1 represented
🇫🇷France×22
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 4.5/6, decided on Buchholz.

Co-leaders
12
4
1
1
1
2
1.534.56R1R2R3R4R5R6Marche takes lead
Vernay4.5Marche4.5Sage4Perrin4Vitu4Bonnot4— ex-leaders:Demangetled R3, #7
R4 · LEADER CHANGE22 Jun

Arthur Marche takes the sole lead (3.5/4).

R6 · TIEBREAK CLUSTER

2 players finish on 4.5/6. Marche takes the title on Buchholz Cut1 (18.0).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Michel Vernay drew with Arthur Marche (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Michel Vernay*
½
1
2Arthur Marche
½
*
3Silas Sage
0
*
4Philippe Perrin*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Marche, Arthur1797FRA+15B=2N+12B+8N+3BF4.518.018.015.751987+14.8
2Vernay, Michel1645FRA+24N=1B+18NF+16B+4B4.515.015.012.752000+77.6
3Bonnot, Pierre-Marie1734FRA+23N7B+17B+9N1N+13B4.017.518.510.501616-23.6
4Sage, Silas1608FRA+22B+6NF+16N+10B2N4.017.017.012.501864+54.0
5Perrin, Philippe1568FRA7N+11B+23N6N+14B+18B4.016.517.510.001678+15.2
6Vitu, Ludovic1656FRA+20N4B+15N+5B+7NF4.016.516.512.501738+12.8
7Merotto, Pierre1663FRA+5B+3N10B+14N6B=9N3.519.022.012.751668+2.0
8Huchon, Hubert1689FRA+14B+9NF1B+11N=10B3.518.018.011.751777+24.8
9Cabaret, Raphael1560FRA+25N8B+13N3B+19N=7B3.516.017.07.751423-18.0
10Demanget, Julien1724FRA+19N+21B+7NF4N=8N3.515.015.09.251701-2.2
11Geraldes, Jose1641FRA=12B5N+28B+21N8B+24N3.513.514.05.001542-26.0
12Ferry, Danny1532FRA=11N+24B1N=18B13N+19B3.015.516.56.001636+21.2
13Kalbe, Floriane0FRA18N+25B9B+24N+12B3N3.014.015.05.0015150.0
14Oertel, Aurelie1420FRA8N+28B+21N7B5N+26B3.014.014.53.501403-4.4
15FIDE 52709971701N+27B6B20N+22B+23N3.013.514.03.509270.0
16Banet, Jean1658FRA+27NF+19N4B2N+20B3.013.013.04.50827-21.8
17Nardin, Philippe1443FRAF+20B3N+23B18N+25B3.010.510.54.00893-7.6
18Chalverat, Silvio1650FRA+13BF2B=12N+17B5N2.517.517.57.501460-42.0
19Jeanpetit, Tiphanie0FRA10B+26N16B+22N9B12N2.015.016.03.008190.0
20FIDE 65206394106B17N+25B+15BF16N2.014.015.04.007860.0
21Catrin, Elina1463FRA+26B10N14B11BF+27N2.012.012.51.50795-40.4
22FIDE 54406884004N23B+27N19B15N+28N2.010.511.01.008080.0
23Muntaner, Sebastien0FRA3B+22N5B17NF15B1.016.018.02.007820.0
24Boilloux, Herve1457FRA2B12NF13B+26N11B1.015.016.01.00806-18.4
25FIDE 52706740809B13N20N+27BF17N1.013.514.00.507020.0
26FIDE 544093543021N19BF+28N24B14N1.09.09.50.506470.0
27Feuerbach, Clara0FRA16B15N22B25N=28B21B0.511.011.50.257610.0
28FIDE 5270673780F14N11N26B=27N22B0.510.010.00.257310.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets