Qualification-2 U10
27 players participated in this 7-round tournament, held from 08 Nov 2025 to 09 Nov 2025 in Lugano, Switzerland. 2 federations represented. Top 10 Elo average was 1590, and top seed was Ilios Papageorgiou Martinella (🇨🇭 SUI, 1679).
Ilios Papageorgiou Martinella (🇨🇭 SUI, 1679) won with 3.5/7, ahead of Isaiah Develey (3.5) and Ruben Rosset (3.0). Papageorgiou Martinella shared the lead from round 1, winning on tie-break.
The biggest upset came in round 7: Ruben Rosset (1441) beat Jan Kammerlander (1664), a +223-point gap.
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R7; 2 players tied at 3.5/7, decided on Buchholz. Title race narrowed from 17 co-leaders at R4 to 2 at the finish.
2 players finish on 3.5/7. Papageorgiou Martinella takes the title on Buchholz Cut1 (10.5).
Ilios Papageorgiou Martinella drew with Isaiah Develey (Black).
Ilios Papageorgiou Martinella 3 wins (R4–R6)Isaiah Develey 3 wins (R4–R6)Felix Lohmiller 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Ilios Papageorgiou Martinella | * | ½ | — | 1 |
| 2Isaiah Develey | ½ | * | — | — |
| 3Felix Lohmiller | — | — | * | — |
| 4Ruben Rosset | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Papageorgiou Martinella, Ilios | 1679 | SUI | F | F | F | +11B | +3N | +12B | =2N | 3.5 | 10.5 | 10.5 | 8.75 | 1899 | +35.6 |
| 2 | Develey, Isaiah | 1565 | SUI | F | F | F | +18N | +24B | +13N | =1B | 3.5 | 8.5 | 8.5 | 6.75 | 1784 | +22.4 |
| 3 | Rosset, Ruben | 1441 | SUI | F | F | F | +19N | −1B | +15B | +12N | 3.0 | 9.5 | 9.5 | 6.00 | 1784 | +53.2 |
| 4 | Lohmiller, Felix | 0 | SUI | F | F | F | −12B | +11N | +5B | +14N | 3.0 | 9.0 | 9.0 | 7.00 | 1641 | 0.0 |
| 5 | Vallot, Lucien | 1579 | SUI | F | F | F | +22N | +17B | −4N | +9B | 3.0 | 9.0 | 9.0 | 6.00 | 2276 | +14.4 |
| 6 | Zimmerli, Elia Michel | 1638 | SUI | F | F | F | +23B | −13N | +20B | +17N | 3.0 | 7.0 | 7.0 | 5.00 | 1489 | -16.4 |
| 7 | Phung, Tina | 0 | SUI | F | F | F | +?B | −16N | +25B | +23N | 3.0 | 4.0 | 4.0 | 2.00 | 681 | 0.0 |
| 8 | Qian, Karin | 0 | SUI | F | F | F | +?N | +22B | +?N | −11B | 3.0 | 3.5 | 3.5 | 1.50 | 1537 | 0.0 |
| 9 | FIDE 1373480 | 0 | — | F | F | F | =10B | +?N | +23B | −5N | 2.5 | 6.5 | 6.5 | 2.25 | 776 | 0.0 |
| 10 | FIDE 1376551 | 0 | — | F | F | F | =9N | +?B | −11N | +?B | 2.5 | 4.5 | 4.5 | 1.25 | 1537 | 0.0 |
| 11 | Kudryavitskiy, Alexander | 1576 | SUI | F | F | F | −1N | −4B | +10B | +8N | 2.0 | 12.0 | 12.0 | 5.50 | 880 | -14.4 |
| 12 | Kammerlander, Jan | 1664 | SUI | F | F | F | +4N | +14B | −1N | −3B | 2.0 | 11.5 | 11.5 | 5.00 | 1445 | -34.8 |
| 13 | Zhang, Zichen | 1504 | SUI | F | F | F | +20N | +6B | −2B | −15N | 2.0 | 10.5 | 10.5 | 5.00 | 1488 | -1.6 |
| 14 | Shahmammadli, Ramiz | 1582 | SUI | F | F | F | +15B | −12N | +16B | −4B | 2.0 | 9.0 | 9.0 | 4.00 | 1718 | +20.8 |
| 15 | Sadeh, David | 1631 | SUI | F | F | F | −14N | +19B | −3N | +13B | 2.0 | 9.0 | 9.0 | 4.00 | 1385 | -39.6 |
| 16 | Na, Nick | 1484 | SUI | F | F | F | −24N | +7B | −14N | +21B | 2.0 | 8.0 | 8.0 | 5.00 | 788 | -14.0 |
| 17 | Wagner, Joel Joshua | 1481 | SUI | F | F | F | +25B | −5N | +24B | −6B | 2.0 | 8.0 | 8.0 | 2.00 | 808 | -25.6 |
| 18 | Gabele, John | 0 | SUI | F | F | F | −2B | +21N | −19B | +?N | 2.0 | 7.5 | 7.5 | 2.00 | 768 | 0.0 |
| 19 | Montagut Chan, George | 0 | SUI | F | F | F | −3B | −15N | +18N | +?B | 2.0 | 7.0 | 7.0 | 2.00 | 737 | 0.0 |
| 20 | FIDE 1357115 | 0 | — | F | F | F | −13B | +25N | −6N | +?B | 2.0 | 6.0 | 6.0 | 1.00 | 770 | 0.0 |
| 21 | Polak, Aleksandra | 0 | SUI | F | F | F | +?B | −18B | +?N | −16N | 2.0 | 4.0 | 4.0 | 0.00 | 681 | 0.0 |
| 22 | Pelloli, Ezio | 0 | SUI | F | F | F | −5B | −8N | =?N | +26B | 1.5 | 7.0 | 7.0 | 1.00 | 776 | 0.0 |
| 23 | Roux, Matthieu | 1451 | SUI | F | F | F | −6N | +?B | −9N | −7B | 1.0 | 8.5 | 8.5 | 0.00 | 839 | 0.0 |
| 24 | Acikel Alp, Deniz | 0 | SUI | F | F | F | +16B | −2N | −17N | −?B | 1.0 | 7.5 | 7.5 | 2.00 | 1383 | 0.0 |
| 25 | Syz, Frank | 0 | SUI | F | F | F | −17N | −20B | −7N | +27B | 1.0 | 7.0 | 7.0 | 0.00 | 676 | 0.0 |
| 26 | Palmieri Maltseva, Victoria | 0 | FRA | F | F | F | +?N | −?B | −?N | −22N | 1.0 | 1.5 | 1.5 | 0.00 | 697 | 0.0 |
| 27 | FIDE 1364456 | 0 | — | F | F | F | −?N | −?B | F | −25N | 0.0 | 1.0 | 1.0 | 0.00 | 697 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Rosset, RubenSUI+53.23.0 pts · #3
- 2Papageorgiou Martinella, IliosSUI+35.63.5 pts · #1
- 3Develey, IsaiahSUI+22.43.5 pts · #5
- 1Sadeh, DavidSUI-39.62.0 pts · #13
- 2Kammerlander, JanSUI-34.82.0 pts · #11
- 3Wagner, Joel JoshuaSUI-25.62.0 pts · #20
- R7+223 Elo gap
- R6+190 Elo gap
- R5+134 Elo gap