Open des Amateurs 2026 round 4
Open SwissStandard
30 players participated in this 4-round tournament, held on 08 May 2026 in Geneva, Switzerland. 1 titled players from 4 federations. Top 10 Elo average was 1984, and top seed was Dominique Li (🇲🇨 MNC, FM, 2304).
Jean-Paul Dellenbach (🇨🇭 SUI, 1625) won with 1.0/4, ahead of Yehor Kutonov (1.0) and Ricardo Aguado-Munoz (1.0).
The biggest upset came in round 4: Mohamed Ait Benbrahim (1739) beat Igor Kupalov (1928), a +189-point gap.
Location
🇨🇭Geneva, Switzerland
Dates
08 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Titled players · 1
FM×1
Federations · 4 represented
🇨🇭Switzerland×19
🇫🇷France×7
🇮🇹Italy×1
🇲🇨Monaco×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsTight race until R4; 15 players tied at 1.0/4, decided on Buchholz. Title race narrowed from 16 co-leaders at R4 to 16 at the finish.
Co-leaders
38
38
38
16
R4 · TIEBREAK CLUSTER
15 players finish on 1.0/4. Dellenbach takes the title on Buchholz Cut1 (0.0).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Dellenbach, Jean-Paul | 1625 | SUI | F | F | F | +21N | 1.0 | 0.0 | 0.0 | 0.00 | 2261 | +6.2 |
| 2 | Kutonov, Yehor | 1696 | SUI | F | F | F | +19B | 1.0 | 0.0 | 0.0 | 0.00 | 2517 | +12.8 |
| 3 | Aguado-Munoz, Ricardo | 0 | FRA | F | F | F | +29N | 1.0 | 0.0 | 0.0 | 0.00 | 2468 | +14.6 |
| 4 | Longepierre, Chloe | 1821 | SUI | F | F | F | +17B | 1.0 | 0.0 | 0.0 | 0.00 | 2582 | +8.6 |
| 5 | Ranque, Yann | 1642 | FRA | F | F | F | +27N | 1.0 | 0.0 | 0.0 | 0.00 | 2403 | +8.8 |
| 6 | FIDE 1399837 | 0 | — | F | F | F | +?B | 1.0 | 0.0 | 0.0 | 0.00 | 1676 | 0.0 |
| 7 | Doxarve, Nils | 2005 | SUI | F | F | F | +22B | 1.0 | 0.0 | 0.0 | 0.00 | 2726 | +6.6 |
| 8 | Belet, Yves | 1701 | SUI | F | F | F | +26N | 1.0 | 0.0 | 0.0 | 0.00 | 2537 | +12.2 |
| 9 | Li, DominiqueFM | 2304 | MNC | F | F | F | +18B | 1.0 | 0.0 | 0.0 | 0.00 | 2887 | +4.8 |
| 10 | Clarke Alexander | 1760 | SUI | F | F | F | +25B | 1.0 | 0.0 | 0.0 | 0.00 | 2616 | +11.0 |
| 11 | Khalfaoui, Mathias | 1907 | FRA | F | F | F | +24B | 1.0 | 0.0 | 0.0 | 0.00 | 2836 | +12.4 |
| 12 | Merel, Antoine | 0 | SUI | F | F | F | +23N | 1.0 | 0.0 | 0.0 | 0.00 | 2452 | +24.0 |
| 13 | Heuberger, Christian | 2032 | SUI | F | F | F | +20B | 1.0 | 0.0 | 0.0 | 0.00 | 2597 | +4.2 |
| 14 | Rouiller, Leonard | 1810 | SUI | F | F | F | +28N | 1.0 | 0.0 | 0.0 | 0.00 | 2548 | +7.4 |
| 15 | Ait Benbrahim, Mohamed | 1739 | SUI | F | F | F | +16B | 1.0 | 0.0 | 0.0 | 0.00 | 2742 | +15.0 |
| 16 | Kupalov, Igor | 1928 | SUI | F | F | F | −15N | 0.0 | 1.0 | 1.0 | 0.00 | 945 | -15.0 |
| 17 | Schaerer, Marc | 1765 | SUI | F | F | F | −4N | 0.0 | 1.0 | 1.0 | 0.00 | 1030 | -8.6 |
| 18 | Salami, Marco | 2101 | ITA | F | F | F | −9N | 0.0 | 1.0 | 1.0 | 0.00 | 1488 | -4.8 |
| 19 | Assemani, Parvine | 1744 | FRA | F | F | F | −2N | 0.0 | 1.0 | 1.0 | 0.00 | 1047 | -12.8 |
| 20 | Lopez Barreto, Bruno | 1785 | SUI | F | F | F | −13N | 0.0 | 1.0 | 1.0 | 0.00 | 1224 | -4.2 |
| 21 | Jenni, Didier | 1498 | SUI | F | F | F | −1B | 0.0 | 1.0 | 1.0 | 0.00 | 802 | -12.4 |
| 22 | Beck, Thomas | 1901 | SUI | F | F | F | −7N | 0.0 | 1.0 | 1.0 | 0.00 | 1250 | -6.6 |
| 23 | Fluckiger, Benoit | 1666 | SUI | F | F | F | −12B | 0.0 | 1.0 | 1.0 | 0.00 | 780 | -12.0 |
| 24 | Schild, Christophe | 2026 | SUI | F | F | F | −11N | 0.0 | 1.0 | 1.0 | 0.00 | 1149 | -12.4 |
| 25 | Al Kassar, Feras | 1793 | FRA | F | F | F | −10N | 0.0 | 1.0 | 1.0 | 0.00 | 980 | -11.0 |
| 26 | Serrano, Armando | 1739 | FRA | F | F | F | −8B | 0.0 | 1.0 | 1.0 | 0.00 | 856 | -12.2 |
| 27 | Peyre, Laurent | 1624 | FRA | F | F | F | −5B | 0.0 | 1.0 | 1.0 | 0.00 | 847 | -17.6 |
| 28 | Weber, Francois | 1765 | SUI | F | F | F | −14B | 0.0 | 1.0 | 1.0 | 0.00 | 1042 | -7.4 |
| 29 | Aouissi, Mohamed | 1675 | SUI | F | F | F | −3B | 0.0 | 1.0 | 1.0 | 0.00 | 890 | -9.4 |
| 30 | FIDE 1399691 | 0 | — | F | F | F | −?N | 0.0 | 0.0 | 0.0 | 0.00 | 787 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Merel, AntoineSUI+24.01.0 pts · #12
- 2Ait Benbrahim, MohamedSUI+15.01.0 pts · #15
- 3Aguado-Munoz, RicardoFRA+14.61.0 pts · #3
Top rating losers
- 1Peyre, LaurentFRA-17.60.0 pts · #28
- 2Kupalov, IgorSUI-15.00.0 pts · #16
- 3Assemani, ParvineFRA-12.80.0 pts · #19
Biggest upsets
- R4+189 Elo gap
- R4+119 Elo gap