Championnat Suisse junior - 4 manche qualificative U10
Open SwissStandard
46 players participated in this 7-round tournament, held from 28 Mar 2026 to 29 Mar 2026 in Payerne, Switzerland. 2 federations represented. Top 10 Elo average was 1628, and top seed was Viraj Kukkerabettu (🇨🇭 SUI, 1700).
Jan Kammerlander (🇨🇭 SUI, 1633) won with 4.0/7, ahead of David Sadeh (3.5) and Felix Lohmiller (3.5). Kammerlander shared the lead from round 6 and broke clear in the final round.
The biggest upset came in round 7: Dimitri Haemmerli (1432) beat Viraj Kukkerabettu (1700), a +268-point gap.
Location
🇨🇭Payerne, Switzerland
Dates
28 Mar 2026 → 29 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 2 represented
🇨🇭Switzerland×32
🇫🇷France×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsJan Kammerlander led from R7; +0.5-point edge over the runner-up. Title race converged from 26 co-leaders at R4 to 1 by R7.
Co-leaders
58
58
58
26
9
4
1
Kammerlander4Sadeh3.5Lohmiller3.5Vallot3Montagut Chan3Haemmerli3— ex-leaders:Kammerlanderled R7, #19
R7–R7 · LEAD HELD
Jan Kammerlander held the sole lead from R7 through R7 without losing it.
WIN STREAKS · 3 top finishers
Jan Kammerlander 4 wins (R4–R7)David Sadeh 3 wins (R4–R6)Felix Lohmiller 3 wins (R4–R6)
R7 · FORMER LEADER FALL
Jan Kammerlander held the sole lead at R7 but finished #19.
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Jan Kammerlander | * | — | — | — |
| 2David Sadeh | — | * | — | ½ |
| 3Felix Lohmiller | — | — | * | — |
| 4Lucien Vallot | — | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kammerlander, Jan | 1633 | SUI | F | F | F | +20B | +45N | +19N | +26B | 4.0 | 6.5 | 6.5 | 6.50 | 2220 | +9.2 |
| 2 | Sadeh, David | 1592 | SUI | F | F | F | +15N | +22B | +6N | =4N | 3.5 | 10.5 | 10.5 | 9.00 | 1889 | +51.2 |
| 3 | Lohmiller, Felix | 1634 | SUI | F | F | F | +21N | +34B | +36N | =17B | 3.5 | 7.0 | 7.0 | 5.75 | 1796 | +22.4 |
| 4 | Vallot, Lucien | 1578 | SUI | F | F | F | =34N | +36B | +5N | =2B | 3.0 | 9.0 | 9.0 | 6.50 | 1870 | +43.6 |
| 5 | Zimmerli, Elia Michel | 1679 | SUI | F | F | F | +44N | +26B | −4B | +7N | 3.0 | 8.5 | 8.5 | 5.50 | 1507 | -17.6 |
| 6 | Roux, Matthieu | 1647 | SUI | F | F | F | +38B | +14N | −2B | +36N | 3.0 | 8.0 | 8.0 | 4.50 | 1646 | +0.4 |
| 7 | FIDE 1357115 | 0 | — | F | F | F | +39N | +29B | +34N | −5B | 3.0 | 7.5 | 7.5 | 4.50 | 878 | 0.0 |
| 8 | Haemmerli, Dimitri | 1432 | SUI | F | F | F | −29N | +41B | +24N | +23B | 3.0 | 7.0 | 7.0 | 5.00 | 2368 | +53.2 |
| 9 | Montagut Chan, George | 1524 | SUI | F | F | F | −13B | +31N | +44B | +19N | 3.0 | 7.0 | 7.0 | 4.50 | 2229 | +29.6 |
| 10 | FIDE 1399268 | 0 | — | F | F | F | −25N | +?N | +30B | +40N | 3.0 | 5.0 | 5.0 | 3.00 | 1458 | 0.0 |
| 11 | Reboulleau, Louis | 1429 | SUI | F | F | F | +46B | −37N | +25B | +38N | 3.0 | 4.5 | 4.5 | 3.50 | 873 | -8.0 |
| 12 | FIDE 1380753 | 0 | — | F | F | F | +?N | −?B | +41N | +?B | 3.0 | 1.0 | 1.0 | 1.00 | 658 | 0.0 |
| 13 | Zhu, Olivia | 0 | SUI | F | F | F | +9N | +28B | −17N | =22B | 2.5 | 9.5 | 9.5 | 6.00 | 1572 | 0.0 |
| 14 | Pelloli, Ezio | 1448 | SUI | F | F | F | =22N | −6B | +27N | +28B | 2.5 | 9.0 | 9.0 | 5.00 | 1667 | +46.4 |
| 15 | Qian, Karin | 1456 | SUI | F | F | F | −2B | +30N | +37B | =16N | 2.5 | 9.0 | 9.0 | 4.25 | 1607 | +23.6 |
| 16 | Develey, Isaiah | 1555 | SUI | F | F | F | +24N | −19B | +21N | =15B | 2.5 | 8.5 | 8.5 | 5.25 | 1541 | -3.6 |
| 17 | Eykher, Leo | 1579 | SUI | F | F | F | −36N | +44B | +13B | =3N | 2.5 | 7.5 | 7.5 | 4.75 | 1530 | -8.0 |
| 18 | FIDE 1383396 | 0 | — | F | F | F | +?B | −20N | +?B | =44N | 2.5 | 2.5 | 2.5 | 0.25 | 1438 | 0.0 |
| 19 | Uras, Poyraz | 1420 | SUI | F | F | F | +27N | +16N | −1B | −9B | 2.0 | 11.5 | 11.5 | 4.50 | 1563 | +30.0 |
| 20 | FIDE 1398628 | 0 | — | F | F | F | −1N | +18B | +33N | −34B | 2.0 | 10.0 | 10.0 | 4.50 | 834 | 0.0 |
| 21 | Zhang, Zichen | 1470 | SUI | F | F | F | −3B | +25N | −16B | +32N | 2.0 | 10.0 | 10.0 | 4.00 | 793 | -26.4 |
| 22 | Kudryavitskiy, Alexander | 1535 | SUI | F | F | F | =14B | −2N | +39B | =13N | 2.0 | 9.5 | 9.5 | 3.50 | 1328 | -21.6 |
| 23 | Kukkerabettu, Viraj | 1700 | SUI | F | F | F | +35N | −24B | +31B | −8N | 2.0 | 8.5 | 8.5 | 3.50 | 636 | -65.6 |
| 24 | Maswadkar, Aaryan | 1438 | SUI | F | F | F | −16B | +23N | −8B | +37N | 2.0 | 8.5 | 8.5 | 3.00 | 1589 | +30.4 |
| 25 | FIDE 1376578 | 0 | — | F | F | F | +10B | −21B | −11N | +?B | 2.0 | 8.0 | 8.0 | 3.00 | 649 | 0.0 |
| 26 | Syz, Frank | 0 | SUI | F | F | F | +37B | −5N | +?B | −1N | 2.0 | 8.0 | 8.0 | 1.00 | 1621 | 0.0 |
| 27 | Kakoyan, Narek | 1541 | SUI | F | F | F | −19B | +32N | −14B | +39N | 2.0 | 7.5 | 7.5 | 3.00 | 634 | -51.2 |
| 28 | Phung, Tina | 1569 | SUI | F | F | F | +40B | −13N | +38B | −14N | 2.0 | 7.0 | 7.0 | 2.00 | 1443 | -14.0 |
| 29 | Asokan, Mithun | 0 | SUI | F | F | F | +8B | −7N | +45B | −?N | 2.0 | 6.5 | 6.5 | 3.50 | 1465 | 0.0 |
| 30 | FIDE 1399730 | 0 | — | F | F | F | +?N | −15B | −10N | +46B | 2.0 | 6.0 | 6.0 | 0.50 | 657 | 0.0 |
| 31 | Ghosh, Raphael Krishna | 0 | SUI | F | F | F | +?B | −9B | −23N | +?N | 2.0 | 5.0 | 5.0 | 0.00 | 810 | -20.4 |
| 32 | FIDE 1373382 | 0 | — | F | F | F | +?B | −27B | +?N | −21B | 2.0 | 4.0 | 4.0 | 0.00 | 704 | 0.0 |
| 33 | FIDE 1379607 | 0 | — | F | F | F | +?B | −?N | −20B | +35N | 2.0 | 3.5 | 3.5 | 1.50 | 697 | 0.0 |
| 34 | Tschaggelar, Romeo Neven | 0 | SUI | F | F | F | =4B | −3N | −7B | +20N | 1.5 | 11.5 | 11.5 | 3.50 | 1411 | 0.0 |
| 35 | FIDE 1376390 | 0 | — | F | F | F | −23B | +?N | =?N | −33B | 1.5 | 4.0 | 4.0 | 0.00 | 1384 | 0.0 |
| 36 | Rosset, Ruben | 1518 | SUI | F | F | F | +17B | −4N | −3B | −6B | 1.0 | 12.0 | 12.0 | 2.50 | 1415 | -20.8 |
| 37 | Polak, Aleksandra | 1673 | SUI | F | F | F | −26N | +11B | −15N | −24B | 1.0 | 9.5 | 9.5 | 3.00 | 1316 | -54.8 |
| 38 | Gabele, John | 0 | SUI | F | F | F | −6N | +42B | −28N | −11B | 1.0 | 9.0 | 9.0 | 1.00 | 747 | 0.0 |
| 39 | Olcese, Roman | 0 | SUI | F | F | F | −7B | +40N | −22N | −27B | 1.0 | 8.0 | 8.0 | 1.00 | 1379 | 0.0 |
| 40 | Aubier, Ilyas | 1438 | FRA | F | F | F | −28N | −39B | +42N | −10B | 1.0 | 7.0 | 7.0 | 1.00 | 770 | -12.4 |
| 41 | FIDE 1375091 | 0 | — | F | F | F | +?N | −8N | −12B | −43N | 1.0 | 7.0 | 7.0 | 0.00 | 633 | 0.0 |
| 42 | FIDE 1390813 | 0 | — | F | F | F | +?B | −38N | −40B | −?N | 1.0 | 2.0 | 2.0 | 0.00 | 638 | 0.0 |
| 43 | FIDE 1399144 | 0 | — | F | F | F | −?B | −?N | F | +41B | 1.0 | 1.0 | 1.0 | 1.00 | 658 | 0.0 |
| 44 | Wagner, Joel Joshua | 1439 | SUI | F | F | F | −5B | −17N | −9N | =18B | 0.5 | 11.0 | 11.0 | 1.25 | 794 | -35.6 |
| 45 | Mayer, Joan | 0 | SUI | F | F | F | =?B | −1B | −29N | −?B | 0.5 | 6.0 | 6.0 | 0.00 | 1257 | 0.0 |
| 46 | Madhani, Nial | 0 | SUI | F | F | F | −11N | −?N | =?B | −30N | 0.5 | 5.0 | 5.0 | 0.00 | 628 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Haemmerli, DimitriSUI+53.23.0 pts · #10
- 2Sadeh, DavidSUI+51.23.5 pts · #1
- 3Pelloli, EzioSUI+46.42.5 pts · #6
Top rating losers
- 1Kukkerabettu, VirajSUI-65.62.0 pts · #42
- 2Polak, AleksandraSUI-54.81.0 pts · #17
- 3Kakoyan, NarekSUI-51.22.0 pts · #39
Biggest upsets
- R7+268 Elo gap
- R5+262 Elo gap
- R7+235 Elo gap