21 Open de Payerne - Open B round 7
Open SwissStandard
13 players participated in this 7-round tournament, held on 21 May 2026 in Payerne, Switzerland. Top 10 Elo average was 809, and top seed was Philippe (19925) Corbat (🇨🇭 SUI, 1726).
Luca Macchia (🇨🇭 SUI, 0) won with 1.0/7, ahead of Philippe Cauderay (1.0) and Philippe Zarri (1.0).
The biggest upset came in round 7: Philippe Cauderay (1548) beat Jacques Michel (1674), a +126-point gap.
Location
🇨🇭Payerne, Switzerland
Dates
21 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Avg top 10
809
Participants
13
Federations · 1 represented
🇨🇭Switzerland×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R7; 4 players tied at 1.0/7, decided on Buchholz. Title race narrowed from 23 co-leaders at R4 to 7 at the finish.
Co-leaders
23
23
23
23
23
23
7
R7 · TIEBREAK CLUSTER
4 players finish on 1.0/7. Macchia takes the title on Buchholz Cut1 (0.0).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Macchia, Luca | 0 | SUI | F | F | F | F | F | F | +7B | 1.0 | 0.0 | 0.0 | 0.00 | 2267 | +7.4 |
| 2 | Cauderay, Philippe | 1548 | SUI | F | F | F | F | F | F | +9B | 1.0 | 0.0 | 0.0 | 0.00 | 2434 | +12.2 |
| 3 | Zarri, Philippe | 1561 | SUI | F | F | F | F | F | F | +10B | 1.0 | 0.0 | 0.0 | 0.00 | 2382 | +11.4 |
| 4 | Goncalves, Tiago | 0 | SUI | F | F | F | F | F | F | +8B | 1.0 | 0.0 | 0.0 | 0.00 | 2481 | +16.0 |
| 5 | Debieux, Marc Alfred | 1696 | SUI | F | F | F | F | F | F | =6B | 0.5 | 0.5 | 0.5 | 0.25 | 1482 | -5.4 |
| 6 | Boivin, Denis | 0 | SUI | F | F | F | F | F | F | =5N | 0.5 | 0.5 | 0.5 | 0.25 | 1692 | +10.8 |
| 7 | Loth, Tony | 0 | SUI | F | F | F | F | F | F | −1N | 0.0 | 1.0 | 1.0 | 0.00 | 761 | -14.8 |
| 8 | Weidner, Emrys | 0 | SUI | F | F | F | F | F | F | −4N | 0.0 | 1.0 | 1.0 | 0.00 | 954 | -16.0 |
| 9 | Michel, Jacques | 1674 | SUI | F | F | F | F | F | F | −2N | 0.0 | 1.0 | 1.0 | 0.00 | 755 | -24.4 |
| 10 | Messerli, Herve | 1614 | SUI | F | F | F | F | F | F | −3N | 0.0 | 1.0 | 1.0 | 0.00 | 734 | -11.4 |
| 11 | FIDE 1397176 | 0 | — | F | F | F | F | F | F | −?B | 0.0 | 0.0 | 0.0 | 0.00 | 899 | 0.0 |
| 12 | Hehlen, Fabrice | 0 | SUI | F | F | F | F | F | F | −?N | 0.0 | 0.0 | 0.0 | 0.00 | 618 | 0.0 |
| 13 | Weidner, Celine | 0 | SUI | F | F | F | F | F | F | −?B | 0.0 | 0.0 | 0.0 | 0.00 | 860 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Goncalves, TiagoSUI+16.01.0 pts · #4
- 2Cauderay, PhilippeSUI+12.21.0 pts · #2
- 3Zarri, PhilippeSUI+11.41.0 pts · #3
Top rating losers
- 1Michel, JacquesSUI-24.40.0 pts · #11
- 2Weidner, EmrysSUI-16.00.0 pts · #10
- 3Loth, TonySUI-14.80.0 pts · #9
Biggest upsets
- R7+126 Elo gap