3eme Open FIDE d'Arconnay Tournoi A
10 players participated in this 5-round tournament, held from 10 May 2025 to 11 May 2025 in Arconnay, France. Top 10 Elo average was 1553, and top seed was Jerome Roullois (🇫🇷 FRA, 1895).
Vincent Chaillou (🇫🇷 FRA, 1788) won with 3.5/5, ahead of Antoine Canonne (3.5) and Maxence Mansais (3.5). Chaillou shared the lead from round 1, winning on tie-break.
The biggest upset came in round 5: Francois Beancourt (1552) beat Charles Bouteiller (1685), a +133-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 3 players tied at 3.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.
3 players finish on 3.5/5. Chaillou takes the title on Buchholz Cut1 (13.0).
Vincent Chaillou drew with Antoine Canonne (White).
Vincent Chaillou went unbeaten across 5 games (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Vincent Chaillou | * | ½ | ½ | ½ |
| 2Antoine Canonne | ½ | * | — | 1 |
| 3Maxence Mansais | ½ | — | * | 0 |
| 4Natawan Leclere | ½ | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Chaillou, Vincent | 1788 | FRA | +9N | +5B | =4N | =3B | =2B | 3.5 | 13.0 | 14.0 | 9.00 | 1920 | +18.4 |
| 2 | Canonne, Antoine | 1882 | FRA | =6N | +7B | =5N | +4B | =1N | 3.5 | 12.0 | 14.0 | 9.50 | 1912 | +4.6 |
| 3 | Mansais, Maxence | 1735 | FRA | +8B | −4B | +6N | =1N | +9B | 3.5 | 11.0 | 12.0 | 7.25 | 1791 | +12.0 |
| 4 | Leclere, Natawan | 1795 | FRA | +10B | +3N | =1B | −2N | =6B | 3.0 | 13.0 | 14.0 | 7.50 | 1794 | +0.8 |
| 5 | Roullois, Jerome | 1895 | FRA | +7B | −1N | =2B | =6N | +8B | 3.0 | 11.5 | 13.5 | 7.00 | 1752 | -14.8 |
| 6 | Marecar, Leo | 1651 | FRA | =2B | +10N | −3B | =5B | =4N | 2.5 | 13.0 | 14.0 | 5.75 | 1772 | +30.0 |
| 7 | Bouteiller, Charles | 1685 | FRA | −5N | −2N | +8B | +9B | −10N | 2.0 | 9.5 | 10.5 | 3.00 | 1527 | -16.8 |
| 8 | Laine, Philippe | 0 | FRA | −3N | +9B | −7N | +10B | −5N | 2.0 | 9.5 | 10.5 | 2.00 | 1611 | 0.0 |
| 9 | Colin, Theo | 1551 | FRA | −1B | −8N | +10B | −7N | −3N | 1.0 | 11.0 | 12.0 | 1.00 | 1497 | -11.2 |
| 10 | Beancourt, Francois | 1552 | FRA | −4N | −6B | −9N | −8N | +7B | 1.0 | 9.5 | 10.5 | 2.00 | 1478 | -7.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Marecar, LeoFRA+30.02.5 pts · #5
- 2Chaillou, VincentFRA+18.43.5 pts · #1
- 3Mansais, MaxenceFRA+12.03.5 pts · #4
- 1Bouteiller, CharlesFRA-16.82.0 pts · #9
- 2Roullois, JeromeFRA-14.83.0 pts · #6
- 3Colin, TheoFRA-11.21.0 pts · #8
- R5+133 Elo gap
- R2+107 Elo gap