1er Open d'echecs Didier Pera B (-1600 elo)
Open SwissStandard
26 players participated in this 6-round tournament, held from 27 Sept 2025 to 28 Sept 2025 in Grasse, France. 2 federations represented. Top 10 Elo average was 1341, and top seed was Antonin Demarque Zarrouk (🇫🇷 FRA, 1594).
Paolo Reis (🇫🇷 FRA, 0) won with 5.5/6, ahead of Leo Bao Tuan Hua (5.0) and Xuanchi Wu (5.0). Reis took the lead from round 5.
The biggest upset came in round 5: Leo Bao Tuan Hua (1416) beat Antonin Demarque Zarrouk (1594), a +178-point gap.
Location
🇫🇷Grasse, France
Dates
27 Sept 2025 → 28 Sept 2025
Time control
Standard: 50 minutes with 10 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 2 represented
🇫🇷France×20
🇺🇦Ukraine×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsPaolo Reis led from R5; +0.5-point edge over the runner-up.
Co-leaders
16
7
3
1
1
1
R5 · LEADER CHANGE28 Sept
Paolo Reis takes the sole lead (4.5/5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Paolo Reis beat Xuanchi Wu (White).
WIN STREAKS · 2 top finishers
Paolo Reis 3 wins (R1–R3)Xuanchi Wu 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Paolo Reis | * | 1 | ½ | — |
| 2Xuanchi Wu | 0 | * | — | 1 |
| 3Leo Bao Tuan Hua | ½ | — | * | 1 |
| 4Claudio Perini | — | 0 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Reis, Paolo | 0 | FRA | +?N | +9N | +6B | =2N | +3B | +7N | 5.5 | 21.5 | 21.5 | 19.00 | 1602 | 0.0 |
| 2 | Hua, Leo Bao Tuan | 1416 | FRA | +24N | +19B | =10N | =1B | +5N | +4B | 5.0 | 20.0 | 21.5 | 17.00 | 1795 | +56.4 |
| 3 | Wu, Xuanchi | 1485 | FRA | +26N | +20B | +5N | +4B | −1N | +10B | 5.0 | 20.0 | 21.0 | 15.50 | 2322 | +66.0 |
| 4 | Perini, Claudio | 1478 | FRA | +22B | +16N | +7B | −3N | +6B | −2N | 4.0 | 21.0 | 23.0 | 13.00 | 1497 | +4.0 |
| 5 | Demarque Zarrouk, Antonin | 1594 | FRA | +12B | +15N | −3B | +16N | −2B | +9N | 4.0 | 20.0 | 23.0 | 13.00 | 1330 | -42.4 |
| 6 | Guigay, Joel | 1507 | FRA | +8N | +21B | −1N | +20B | −4N | +14B | 4.0 | 19.5 | 21.5 | 12.00 | 679 | -10.8 |
| 7 | Ode, Sandro | 1566 | FRA | +25N | +11B | −4N | +15B | +14N | −1B | 4.0 | 19.0 | 20.5 | 11.00 | 1445 | -14.0 |
| 8 | FIDE 560010967 | 0 | — | −6B | +23N | −9B | +?N | +16B | +15N | 4.0 | 15.5 | 15.5 | 8.00 | 685 | 0.0 |
| 9 | Etievant, Felix | 1461 | FRA | +13N | −1B | +8N | +18B | =10N | −5B | 3.5 | 20.5 | 23.5 | 12.25 | 1351 | -11.2 |
| 10 | Falco, Gianni | 1494 | FRA | +14B | =17N | =2B | +12N | =9B | −3N | 3.5 | 20.0 | 23.0 | 12.25 | 1330 | -26.0 |
| 11 | Kalinin, Petro | 1411 | UKR | +18B | −7N | +17B | −14N | +19B | =12N | 3.5 | 16.5 | 19.5 | 10.75 | 777 | -11.2 |
| 12 | Lyet, Richard | 0 | FRA | −5N | +?B | +?N | −10B | +18N | =11B | 3.5 | 14.0 | 14.0 | 4.75 | 1227 | 0.0 |
| 13 | Giraud, Jim | 0 | FRA | −9B | =?B | +?N | −17N | +24B | +22N | 3.5 | 10.0 | 10.0 | 3.50 | 1489 | 0.0 |
| 14 | Aissaoui, Adel | 0 | FRA | −10N | +?B | +21N | +11B | −7B | −6N | 3.0 | 17.0 | 17.0 | 5.50 | 1305 | 0.0 |
| 15 | Alcaraz, Julian | 0 | FRA | +?N | −5B | +26N | −7N | +17B | −8B | 3.0 | 16.0 | 16.0 | 4.00 | 786 | 0.0 |
| 16 | Cukrowski, Edwin | 0 | FRA | +?N | −4B | +19N | −5B | −8N | +?B | 3.0 | 15.0 | 15.0 | 3.00 | 1381 | 0.0 |
| 17 | FIDE 80421369 | 0 | — | +?N | =10B | −11N | +13B | −15N | =?B | 3.0 | 13.5 | 13.5 | 5.25 | 1260 | 0.0 |
| 18 | Ott, Viktor | 0 | FRA | −11N | +25B | +?N | −9N | −12B | +24B | 3.0 | 13.5 | 13.5 | 3.00 | 1353 | 0.0 |
| 19 | Huber, Gabriel | 0 | FRA | +?N | −2N | −16B | +21B | −11N | +?B | 3.0 | 13.5 | 13.5 | 2.00 | 1299 | 0.0 |
| 20 | Cops, Achille | 0 | FRA | +?B | −3N | +24B | −6N | −?B | +?N | 3.0 | 10.5 | 10.5 | 1.50 | 697 | 0.0 |
| 21 | FIDE 652032507 | 0 | — | +23B | −6N | −14B | −19N | −?B | +25B | 2.0 | 13.5 | 13.5 | 3.50 | 708 | 0.0 |
| 22 | Benedetti, Valentin | 0 | FRA | −4N | −?B | F | +?B | +25N | −13B | 2.0 | 9.0 | 9.0 | 1.50 | 679 | 0.0 |
| 23 | Tang, Chloe | 0 | FRA | −21N | −8B | −25N | −?B | +?N | +26N | 2.0 | 8.5 | 8.5 | 1.00 | 644 | 0.0 |
| 24 | FIDE 560010959 | 0 | — | −2B | +?B | −20N | =25B | −13N | −18N | 1.5 | 16.0 | 16.0 | 0.75 | 1431 | 0.0 |
| 25 | Mechkati, Leili | 0 | FRA | −7B | −18N | +23B | =24N | −22B | −21N | 1.5 | 13.0 | 14.5 | 2.75 | 777 | 0.0 |
| 26 | FIDE 560010916 | 0 | — | −3B | +?N | −15B | −?N | −?N | −23B | 1.0 | 10.0 | 10.0 | 0.00 | 665 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Wu, XuanchiFRA+66.05.0 pts · #2
- 2Hua, Leo Bao TuanFRA+56.45.0 pts · #3
- 3Perini, ClaudioFRA+4.04.0 pts · #4
Top rating losers
- 1Demarque Zarrouk, AntoninFRA-42.44.0 pts · #11
- 2Falco, GianniFRA-26.03.5 pts · #10
- 3Ode, SandroFRA-14.04.0 pts · #7
Biggest upsets
- R5+178 Elo gap
- R3+109 Elo gap