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 roundsTight race until R6; 2 players tied at 4.5/6, decided on Buchholz.
Co-leaders
12
4
1
1
1
2
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Michel Vernay | * | ½ | 1 | — |
| 2Arthur Marche | ½ | * | — | — |
| 3Silas Sage | 0 | — | * | — |
| 4Philippe Perrin | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Marche, Arthur | 1797 | FRA | +15B | =2N | +12B | +8N | +3B | F | 4.5 | 18.0 | 18.0 | 15.75 | 1987 | +14.8 |
| 2 | Vernay, Michel | 1645 | FRA | +24N | =1B | +18N | F | +16B | +4B | 4.5 | 15.0 | 15.0 | 12.75 | 2000 | +77.6 |
| 3 | Bonnot, Pierre-Marie | 1734 | FRA | +23N | −7B | +17B | +9N | −1N | +13B | 4.0 | 17.5 | 18.5 | 10.50 | 1616 | -23.6 |
| 4 | Sage, Silas | 1608 | FRA | +22B | +6N | F | +16N | +10B | −2N | 4.0 | 17.0 | 17.0 | 12.50 | 1864 | +54.0 |
| 5 | Perrin, Philippe | 1568 | FRA | −7N | +11B | +23N | −6N | +14B | +18B | 4.0 | 16.5 | 17.5 | 10.00 | 1678 | +15.2 |
| 6 | Vitu, Ludovic | 1656 | FRA | +20N | −4B | +15N | +5B | +7N | F | 4.0 | 16.5 | 16.5 | 12.50 | 1738 | +12.8 |
| 7 | Merotto, Pierre | 1663 | FRA | +5B | +3N | −10B | +14N | −6B | =9N | 3.5 | 19.0 | 22.0 | 12.75 | 1668 | +2.0 |
| 8 | Huchon, Hubert | 1689 | FRA | +14B | +9N | F | −1B | +11N | =10B | 3.5 | 18.0 | 18.0 | 11.75 | 1777 | +24.8 |
| 9 | Cabaret, Raphael | 1560 | FRA | +25N | −8B | +13N | −3B | +19N | =7B | 3.5 | 16.0 | 17.0 | 7.75 | 1423 | -18.0 |
| 10 | Demanget, Julien | 1724 | FRA | +19N | +21B | +7N | F | −4N | =8N | 3.5 | 15.0 | 15.0 | 9.25 | 1701 | -2.2 |
| 11 | Geraldes, Jose | 1641 | FRA | =12B | −5N | +28B | +21N | −8B | +24N | 3.5 | 13.5 | 14.0 | 5.00 | 1542 | -26.0 |
| 12 | Ferry, Danny | 1532 | FRA | =11N | +24B | −1N | =18B | −13N | +19B | 3.0 | 15.5 | 16.5 | 6.00 | 1636 | +21.2 |
| 13 | Kalbe, Floriane | 0 | FRA | −18N | +25B | −9B | +24N | +12B | −3N | 3.0 | 14.0 | 15.0 | 5.00 | 1515 | 0.0 |
| 14 | Oertel, Aurelie | 1420 | FRA | −8N | +28B | +21N | −7B | −5N | +26B | 3.0 | 14.0 | 14.5 | 3.50 | 1403 | -4.4 |
| 15 | FIDE 527099717 | 0 | — | −1N | +27B | −6B | −20N | +22B | +23N | 3.0 | 13.5 | 14.0 | 3.50 | 927 | 0.0 |
| 16 | Banet, Jean | 1658 | FRA | +27N | F | +19N | −4B | −2N | +20B | 3.0 | 13.0 | 13.0 | 4.50 | 827 | -21.8 |
| 17 | Nardin, Philippe | 1443 | FRA | F | +20B | −3N | +23B | −18N | +25B | 3.0 | 10.5 | 10.5 | 4.00 | 893 | -7.6 |
| 18 | Chalverat, Silvio | 1650 | FRA | +13B | F | −2B | =12N | +17B | −5N | 2.5 | 17.5 | 17.5 | 7.50 | 1460 | -42.0 |
| 19 | Jeanpetit, Tiphanie | 0 | FRA | −10B | +26N | −16B | +22N | −9B | −12N | 2.0 | 15.0 | 16.0 | 3.00 | 819 | 0.0 |
| 20 | FIDE 652063941 | 0 | — | −6B | −17N | +25B | +15B | F | −16N | 2.0 | 14.0 | 15.0 | 4.00 | 786 | 0.0 |
| 21 | Catrin, Elina | 1463 | FRA | +26B | −10N | −14B | −11B | F | +27N | 2.0 | 12.0 | 12.5 | 1.50 | 795 | -40.4 |
| 22 | FIDE 544068840 | 0 | — | −4N | −23B | +27N | −19B | −15N | +28N | 2.0 | 10.5 | 11.0 | 1.00 | 808 | 0.0 |
| 23 | Muntaner, Sebastien | 0 | FRA | −3B | +22N | −5B | −17N | F | −15B | 1.0 | 16.0 | 18.0 | 2.00 | 782 | 0.0 |
| 24 | Boilloux, Herve | 1457 | FRA | −2B | −12N | F | −13B | +26N | −11B | 1.0 | 15.0 | 16.0 | 1.00 | 806 | -18.4 |
| 25 | FIDE 527067408 | 0 | — | −9B | −13N | −20N | +27B | F | −17N | 1.0 | 13.5 | 14.0 | 0.50 | 702 | 0.0 |
| 26 | FIDE 544093543 | 0 | — | −21N | −19B | F | +28N | −24B | −14N | 1.0 | 9.0 | 9.5 | 0.50 | 647 | 0.0 |
| 27 | Feuerbach, Clara | 0 | FRA | −16B | −15N | −22B | −25N | =28B | −21B | 0.5 | 11.0 | 11.5 | 0.25 | 761 | 0.0 |
| 28 | FIDE 527067378 | 0 | — | F | −14N | −11N | −26B | =27N | −22B | 0.5 | 10.0 | 10.0 | 0.25 | 731 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Vernay, MichelFRA+77.64.5 pts · #1
- 2Sage, SilasFRA+54.04.0 pts · #5
- 3Huchon, HubertFRA+24.83.5 pts · #4
Top rating losers
- 1Chalverat, SilvioFRA-42.02.5 pts · #13
- 2Catrin, ElinaFRA-40.42.0 pts · #22
- 3Geraldes, JoseFRA-26.03.5 pts · #8
Biggest upsets
- R5+116 Elo gap