1er Open FIDE de Guyancourt - Tournoi A (-2400)
Open SwissStandard
22 players participated in this 3-round tournament, held on 06 Jul 2025 in Guyancourt, France. 2 federations represented. Top 10 Elo average was 1857, and top seed was Damien Sondermeijer (🇫🇷 FRA, 2128).
Damien Sondermeijer (🇫🇷 FRA, 2128) won with 3.0/3, ahead of Augustin Saunier (2.5) and Ronald Kunne (2.5). Sondermeijer broke clear in the final round.
The biggest upset came in round 3: Maxime Ferreira-Yang (1593) beat Franck Dufrenoy (1800), a +207-point gap.
Location
🇫🇷Guyancourt, France
Dates
06 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 3 rounds
Federations · 2 represented
🇫🇷France×21
🇪🇸Spain×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsDamien Sondermeijer led from R3; +0.5-point edge over the runner-up.
Co-leaders
9
2
1
R3–R3 · LEAD HELD
Damien Sondermeijer held the sole lead from R3 through R3 without losing it.
R1–R3 · WIN STREAK
Damien Sondermeijer won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Damien Sondermeijer | * | — | — | — |
| 2Ronald Kunne | — | * | — | — |
| 3Augustin Saunier | — | — | * | 1 |
| 4Sowan Salagnac | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sondermeijer, Damien | 2128 | FRA | +14N | +5B | +4B | 3.0 | 4.0 | 5.0 | 5.00 | 2674 | +15.2 |
| 2 | Saunier, Augustin | 1836 | FRA | +6N | =9B | +11N | 2.5 | 3.5 | 5.0 | 4.25 | 2061 | +32.0 |
| 3 | Kunne, Ronald | 1769 | FRA | =10N | +14B | +9N | 2.5 | 3.0 | 4.0 | 3.25 | 2141 | +28.0 |
| 4 | Brosse, Philippe | 0 | FRA | +16B | +7B | −1N | 2.0 | 5.0 | 6.0 | 3.00 | 1790 | 0.0 |
| 5 | Danek, Victor | 1921 | FRA | +12N | −1N | +19B | 2.0 | 4.5 | 5.5 | 2.50 | 1985 | +10.8 |
| 6 | Salagnac, Sowan | 1724 | FRA | −2B | +15N | +16B | 2.0 | 3.5 | 4.5 | 2.00 | 1780 | +9.2 |
| 7 | Ferreira-Yang, Maxime | 1593 | FRA | +21B | −4N | +17B | 2.0 | 3.0 | 3.0 | 1.00 | 2436 | +44.0 |
| 8 | Bozier, Teodor | 1596 | FRA | −15N | +21B | +18N | 2.0 | 2.0 | 2.0 | 1.00 | 1647 | +7.6 |
| 9 | Gabino, Karl | 1934 | FRA | +17B | =2N | −3B | 1.5 | 5.0 | 6.0 | 2.25 | 1802 | -10.6 |
| 10 | Setkov, Aleksandr | 1843 | FRA | =3B | −11N | +15B | 1.5 | 4.0 | 5.0 | 2.25 | 1672 | -12.8 |
| 11 | Abdallaoui, Mohamed Mehdi | 1707 | FRA | =20N | +10B | −2B | 1.5 | 4.0 | 4.5 | 1.75 | 1781 | +6.0 |
| 12 | Chhung, Rattanak | 1790 | FRA | −5B | =13N | +20B | 1.5 | 3.5 | 4.0 | 1.25 | 1708 | -6.0 |
| 13 | Hajjouj, Mouhcine | 1540 | FRA | +22N | =12B | — | 1.5 | 1.5 | 1.5 | 0.75 | 1909 | +38.0 |
| 14 | Roy, Suvrojita | 1826 | FRA | −1B | −3N | +21N | 1.0 | 5.5 | 5.5 | 0.00 | 1664 | -24.8 |
| 15 | Hou, Audric | 1538 | FRA | +8B | −6B | −10N | 1.0 | 4.0 | 5.5 | 2.00 | 1596 | +7.2 |
| 16 | Foveau, Guillaume | 1588 | FRA | −4N | +22B | −6N | 1.0 | 4.0 | 4.0 | 0.00 | 1683 | +5.0 |
| 17 | Dufrenoy, Franck | 1800 | FRA | −9N | +18B | −7N | 1.0 | 3.5 | 4.5 | 1.00 | 1569 | -18.0 |
| 18 | Martinez, Alberto | 1554 | FRA | +19B | −17N | −8B | 1.0 | 3.0 | 4.0 | 1.00 | 1560 | +0.4 |
| 19 | Alluch Abdellach, Nordin | 1661 | ESP | −18N | +20B | −5N | 1.0 | 3.0 | 3.5 | 0.50 | 1588 | -6.6 |
| 20 | Belladjou, Ismael | 1663 | FRA | =11B | −19N | −12N | 0.5 | 3.0 | 4.0 | 0.75 | 1446 | -30.8 |
| 21 | Ferreira-Yang, Alexis | 1471 | FRA | −7N | −8N | −14B | 0.0 | 4.0 | 5.0 | 0.00 | 871 | -30.8 |
| 22 | Aouad, Reda | 1641 | FRA | −13B | −16N | — | 0.0 | 1.5 | 2.5 | 0.00 | 764 | -48.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ferreira-Yang, MaximeFRA+44.02.0 pts · #8
- 2Hajjouj, MouhcineFRA+38.01.5 pts · #12
- 3Saunier, AugustinFRA+32.02.5 pts · #2
Top rating losers
- 1Aouad, RedaFRA-48.40.0 pts · #21
- 2Ferreira-Yang, AlexisFRA-30.80.0 pts · #22
- 3Belladjou, IsmaelFRA-30.80.5 pts · #20
Biggest upsets
- R3+207 Elo gap
- R3+165 Elo gap
- R2+136 Elo gap