1er Open FIDE de Guyancourt - Tournoi B
Open SwissStandard
23 players participated in this 3-round tournament, held on 06 Jul 2025 in Guyancourt, France. Top 10 Elo average was 1570, and top seed was Sylvain Pelletier (🇫🇷 FRA, 1597).
Sylvain Pelletier (🇫🇷 FRA, 1597) won with 3.0/3, ahead of Simon Labrousse (3.0) and Michel Rauche (2.5). Pelletier shared the lead from round 1, winning on tie-break.
Location
🇫🇷Guyancourt, France
Dates
06 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 3 rounds
Federations · 1 represented
🇫🇷France×21
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsTight race until R3; 2 players tied at 3.0/3, decided on Buchholz.
Co-leaders
10
4
2
R3 · TIEBREAK CLUSTER
2 players finish on 3.0/3. Pelletier takes the title on Buchholz Cut1 (4.0).
WIN STREAKS · 2 top finishers
Sylvain Pelletier 3 wins (R1–R3)Simon Labrousse 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Sylvain Pelletier | * | — | — | — |
| 2Simon Labrousse | — | * | — | 1 |
| 3Michel Rauche | — | — | * | — |
| 4Medhi Boudjenane | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Pelletier, Sylvain | 1597 | FRA | +5N | +6B | +7N | 3.0 | 4.0 | 6.0 | 6.00 | 2370 | +18.6 |
| 2 | Labrousse, Simon | 0 | FRA | +21N | +20B | +4B | 3.0 | 2.5 | 3.0 | 3.00 | 1540 | 0.0 |
| 3 | Rauche, Michel | 1559 | FRA | =11B | +10N | +13B | 2.5 | 3.0 | 4.5 | 3.75 | 1823 | +19.2 |
| 4 | Boudjenane, Medhi | 1521 | FRA | +12N | +8B | −2N | 2.0 | 5.0 | 6.5 | 3.50 | 2336 | +41.6 |
| 5 | Kahn, Adam | 1574 | FRA | −1B | +11N | +17B | 2.0 | 4.5 | 5.5 | 2.50 | 1589 | +2.4 |
| 6 | Ferreira, Christophe | 1580 | FRA | +15B | −1N | +16B | 2.0 | 4.0 | 5.0 | 2.00 | 1576 | 0.0 |
| 7 | Bellabas, Alia | 0 | FRA | +22B | +15N | −1B | 2.0 | 4.0 | 4.5 | 1.50 | 1576 | 0.0 |
| 8 | Saunier, Aristide | 1585 | FRA | +14B | −4N | +19B | 2.0 | 3.0 | 4.0 | 2.00 | 1543 | -4.8 |
| 9 | Cochin, Thomas | 1526 | FRA | −10B | +16N | +14B | 2.0 | 2.5 | 3.5 | 2.00 | 1573 | +5.2 |
| 10 | Durieux, Arthur | 1579 | FRA | +9N | −3B | =12N | 1.5 | 4.5 | 6.0 | 2.75 | 1523 | -9.2 |
| 11 | Rivier, Sylvain | 1581 | FRA | =3N | −5B | +18N | 1.5 | 4.5 | 5.5 | 2.25 | 1525 | -4.6 |
| 12 | Henry-Hromec, Camille | 1484 | FRA | −4B | +22N | =10B | 1.5 | 3.5 | 4.0 | 1.25 | 1357 | -12.8 |
| 13 | Hellal, Ayoub | 1473 | FRA | =20N | +21B | −3N | 1.5 | 3.0 | 3.5 | 0.75 | 760 | -16.0 |
| 14 | Barthere, Gilles | 1566 | FRA | −8N | +18B | −9N | 1.0 | 4.0 | 5.0 | 1.00 | 1395 | -13.8 |
| 15 | Le Yaouanq, Gerard | 1556 | FRA | −6N | −7B | +20N | 1.0 | 4.0 | 4.5 | 0.50 | 774 | -9.4 |
| 16 | Carbonero, Jean Marc | 0 | FRA | +23N | −9B | −6N | 1.0 | 4.0 | 4.0 | 0.00 | 750 | 0.0 |
| 17 | FIDE 653019610 | 0 | — | −18N | +?B | −5N | 1.0 | 3.0 | 3.0 | 0.00 | 707 | 0.0 |
| 18 | Danek, Martin | 1442 | FRA | +17B | −14N | −11B | 1.0 | 2.5 | 3.5 | 1.00 | 774 | -26.4 |
| 19 | Aubry, Sebastien | 0 | FRA | +?N | −?B | −8N | 1.0 | 2.0 | 2.0 | 0.00 | 771 | 0.0 |
| 20 | Kahn, Maxime | 0 | FRA | =13B | −2N | −15B | 0.5 | 4.5 | 5.5 | 0.75 | 1329 | 0.0 |
| 21 | Garabedian, Christophe | 0 | FRA | −2B | −13N | =22B | 0.5 | 4.5 | 5.0 | 0.25 | 689 | 0.0 |
| 22 | Berhaut, Antoine | 0 | FRA | −7N | −12B | =21N | 0.5 | 3.5 | 4.0 | 0.25 | 684 | 0.0 |
| 23 | FIDE 80464262 | 0 | — | −16B | F | −?N | 0.0 | 1.0 | 1.0 | 0.00 | 754 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Boudjenane, MedhiFRA+41.62.0 pts · #3
- 2Rauche, MichelFRA+19.22.5 pts · #1
- 3Pelletier, SylvainFRA+18.63.0 pts · #2
Top rating losers
- 1Danek, MartinFRA-26.41.0 pts · #20
- 2Hellal, AyoubFRA-16.01.5 pts · #18
- 3Barthere, GillesFRA-13.81.0 pts · #8