Tunisian Chess Championship Open Under 16 -2026
Open SwissStandard
41 players participated in this 9-round tournament, held from 20 Dec 2025 to 25 Dec 2025 in Gammarth, Tunis, Tunisia. 1 titled players from 2 federations. Top 10 Elo average was 1778, and top seed was Yahya Chelly (🇹🇳 TUN, CM, 2081).
Yahya Chelly (🇹🇳 TUN, CM, 2081) won with 7.5/9, ahead of Ahmed Ben Salha (7.0) and Mahdi Mejri (7.0). Chelly shared the lead from round 8 and broke clear in the final round.
The biggest upset came in round 8: hemdani Oubay (1530) beat Ahmed Ben Salha (1820), a +290-point gap.
Location
🇹🇳Gammarth, Tunis, Tunisia
Dates
20 Dec 2025 → 25 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Titled players · 1
CM×1
Federations · 2 represented
🇹🇳Tunisia×36
🇫🇷France×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsCM Yahya Chelly led from R9; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R9.
Co-leaders
19
11
5
3
1
1
1
2
1
R9 · LEADER CHANGE25 Dec
CM Yahya Chelly takes the sole lead (7.5/9).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
CM Yahya Chelly lost to Ahmed Ben Salha (White).
WIN STREAKS · 3 top finishers
CM Yahya Chelly 3+4 wins (R1–R3, R5–R8)Ahmed Ben Salha 7 wins (R1–R7)Mahdi Mejri 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMYahya Chelly | * | 0 | 1 | 1 |
| 2Ahmed Ben Salha | 1 | * | 0 | 1 |
| 3Mahdi Mejri | 0 | 1 | * | — |
| 4Mohamed Aziz Arfaoui | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Chelly, YahyaCM | 2081 | TUN | +24N | +6B | +11N | −2B | +12N | +3N | +4B | +17B | =5N | 7.5 | 48.5 | 52.5 | 42.50 | 1982 | -20.4 |
| 2 | Ben Salha, Ahmed | 1820 | TUN | +17N | +26B | +4N | +1N | +13B | +5B | +7N | −6B | −3N | 7.0 | 49.5 | 53.0 | 40.00 | 1930 | +47.6 |
| 3 | Mejri,Mahdi | 1654 | TUN | +25N | +21B | +9N | +11B | =5N | −1B | =12N | +7B | +2B | 7.0 | 47.5 | 51.5 | 38.25 | 1965 | +110.0 |
| 4 | Arfaoui, Mohamed Aziz | 1694 | TUN | +38B | +41N | −2B | +18N | +16B | +10N | −1N | =5B | +6N | 6.5 | 45.0 | 46.5 | 29.00 | 1826 | +44.8 |
| 5 | Ammous, Mahmoud | 1994 | TUN | +27B | +16N | +7B | +13N | =3B | −2N | =9B | =4N | =1B | 6.0 | 50.5 | 54.0 | 33.75 | 1852 | -47.6 |
| 6 | hemdani Oubay | 1530 | TUN | +15B | −1N | +14B | +19N | +18B | −7N | +10B | +2N | −4B | 6.0 | 48.5 | 53.5 | 33.50 | 1707 | +50.4 |
| 7 | Ben hmida Mohamed bilel | 1704 | TUN | +28N | +36B | −5N | +26B | +20N | +6B | −2B | −3N | +9B | 6.0 | 43.0 | 46.0 | 26.00 | 1735 | +12.0 |
| 8 | Zena, Hachem | 1446 | TUN | +22N | −11B | +40N | −9B | =21N | +27B | +20N | =13N | +17B | 6.0 | 38.5 | 40.0 | 24.00 | 1609 | +28.0 |
| 9 | Saidi, Mohamed Ali | 1760 | TUN | +31B | +18N | −3B | +8N | −10B | +14N | =5N | +12B | −7N | 5.5 | 46.5 | 50.0 | 28.50 | 1642 | -41.6 |
| 10 | Najar, Ahmed Rayen | 1587 | TUN | −21N | +25B | +17N | +29B | +9N | −4B | −6N | +15N | =16B | 5.5 | 42.5 | 46.0 | 26.25 | 1546 | -10.0 |
| 11 | Dammak Mohamed Amine | 1715 | TUN | +33B | +8N | −1B | −3N | =23B | +21N | −17N | +27B | +20N | 5.5 | 42.5 | 45.5 | 23.75 | 1684 | -9.2 |
| 12 | Hassan, Adam | 1600 | TUN | +35B | −14N | +27B | +15N | −1B | +32N | =3B | −9N | +22B | 5.5 | 42.0 | 45.0 | 23.00 | 1626 | -0.8 |
| 13 | Bouafia,Arken | 1753 | TUN | +23N | +32B | +20N | −5B | −2N | =26B | +22N | =8B | =14N | 5.5 | 41.5 | 44.5 | 24.00 | 1623 | -37.2 |
| 14 | Ameri, Mohamed Ahmed | 0 | TUN | +29N | +12B | −6N | −20B | +34N | −9B | +28N | +18N | =13B | 5.5 | 39.0 | 42.0 | 23.25 | 1561 | 0.0 |
| 15 | Maatallah, Mouadh | 0 | TUN | −6N | +23B | +32N | −12B | +24N | =20B | +26N | −10B | +25N | 5.5 | 37.5 | 40.5 | 21.25 | 1476 | 0.0 |
| 16 | Barrani, Mohamed Amine | 1548 | TUN | +37N | −5B | +21N | +34B | −4N | −17B | +24N | +32B | =10N | 5.5 | 37.5 | 40.5 | 20.25 | 1579 | +0.8 |
| 17 | BOUKHRIS, ADAM | 0 | TUN | −2B | +30N | −10B | +35N | +19B | +16N | +11B | −1N | −8N | 5.0 | 45.5 | 48.5 | 22.50 | 1574 | 0.0 |
| 18 | Ben Ayed, Rayen | 1507 | FRA | +39N | −9B | +22N | −4B | −6N | +25B | +29N | −14B | +32N | 5.0 | 38.5 | 41.0 | 17.50 | 1412 | -20.8 |
| 19 | Mnasria, Md Achraf | 0 | TUN | −26N | +28B | +39N | −6B | −17N | +36B | −32B | +24N | +31B | 5.0 | 31.5 | 34.0 | 16.50 | 684 | 0.0 |
| 20 | Bensmail, Mohamed Seddik | 1556 | TUN | +30B | +34N | −13B | +14N | −7B | =15N | −8B | +21N | −11B | 4.5 | 42.0 | 45.0 | 19.25 | 855 | -59.2 |
| 21 | Jarraya,Youssef | 0 | TUN | +10B | −3N | −16B | +41N | =8B | −11B | +36N | −20B | +26N | 4.5 | 40.5 | 42.0 | 16.50 | 1468 | 0.0 |
| 22 | Najah, Ahmed Yessin | 0 | TUN | −8B | +33N | −18B | =27N | +38B | +23N | −13B | +26B | −12N | 4.5 | 36.5 | 39.0 | 15.25 | 1319 | 0.0 |
| 23 | Darouich, Amir | 0 | TUN | −13B | −15N | +30B | +40N | =11N | −22B | −27N | +39B | +28N | 4.5 | 34.0 | 35.5 | 13.75 | 1542 | 0.0 |
| 24 | Bachouch, Anas | 0 | TUN | −1B | −35N | +31B | +38N | −15B | +40N | −16B | −19B | +33N | 4.0 | 35.5 | 37.0 | 10.50 | 1015 | 0.0 |
| 25 | Ghorbel, Ahmed | 0 | TUN | −3B | −10N | −33B | +31N | +?B | −18N | +40B | +34N | −15B | 4.0 | 34.0 | 34.0 | 8.00 | 782 | 0.0 |
| 26 | Ayadi,Mehdi | 1487 | TUN | +19B | −2N | +35B | −7N | +33B | =13N | −15B | −22N | −21B | 3.5 | 41.0 | 44.0 | 13.75 | 1486 | -0.4 |
| 27 | Bouferes,Mohamed Ali | 0 | TUN | −5N | +37B | −12N | =22B | +41B | −8N | +23B | −11N | F | 3.5 | 38.5 | 40.0 | 11.25 | 889 | 0.0 |
| 28 | Fersi, Khalil Amine | 0 | TUN | −7B | −19N | +?B | −32N | +30B | +34N | −14B | =29N | −23B | 3.5 | 34.0 | 34.0 | 8.25 | 771 | 0.0 |
| 29 | FIDE 5569184 | 0 | — | −14B | +38N | +41B | −10N | −32B | +33N | −18B | =28B | F | 3.5 | 31.5 | 33.0 | 8.75 | 710 | 0.0 |
| 30 | Khammessi, Mohamed Aziz | 0 | TUN | −20N | −17B | −23N | +39B | −28N | −31B | +33B | =40N | +38B | 3.5 | 29.0 | 30.5 | 8.75 | 756 | 0.0 |
| 31 | Bourokba, Majd | 0 | TUN | −9N | =39B | −24N | −25B | −37N | +30N | +?B | +41B | −19N | 3.5 | 29.0 | 29.0 | 6.25 | 959 | 0.0 |
| 32 | Aroua Oubey | 1435 | TUN | F | −13N | −15B | +28B | +29N | −12B | +19N | −16N | −18B | 3.0 | 39.0 | 39.0 | 12.00 | 803 | -46.4 |
| 33 | FIDE 5569761 | 0 | — | −11N | −22B | +25N | +36B | −26N | −29B | −30N | +35B | −24B | 3.0 | 31.5 | 34.5 | 10.00 | 801 | 0.0 |
| 34 | Souidi, Ahmed | 0 | TUN | F | −20B | +36N | −16N | −14B | −28B | +35N | −25B | +41N | 3.0 | 30.5 | 30.5 | 7.50 | 752 | 0.0 |
| 35 | Jabrane, Mohamed | 0 | TUN | −12N | +24B | −26N | −17B | −36N | +37B | −34B | −33N | +40B | 3.0 | 30.0 | 31.5 | 8.50 | 744 | 0.0 |
| 36 | Akrout,Mohamed Ali | 0 | TUN | +40B | −7N | −34B | −33N | +35B | −19N | −21B | −37N | +?N | 3.0 | 29.0 | 29.0 | 4.50 | 905 | 0.0 |
| 37 | Laroussi, Belgasem | 0 | TUN | −16B | −27N | −38B | −?N | +31B | −35N | −41N | +36B | +39N | 3.0 | 25.0 | 25.0 | 9.00 | 748 | 0.0 |
| 38 | FIDE 5538483 | 0 | — | −4N | −29B | +37N | −24B | −22N | =41B | −39N | +?B | −30N | 2.5 | 29.0 | 29.0 | 3.75 | 894 | 0.0 |
| 39 | Milad,ahmed | 0 | TUN | −18B | =31N | −19B | −30N | −40B | +?N | +38B | −23N | −37B | 2.5 | 28.5 | 28.5 | 4.25 | 707 | 0.0 |
| 40 | FIDE 5568285 | 0 | — | −36N | F | −8B | −23B | +39N | −24B | −25N | =30B | −35N | 1.5 | 30.5 | 30.5 | 4.25 | 645 | 0.0 |
| 41 | Abdennadher, Youssef | 0 | TUN | F | −4B | −29N | −21B | −27N | =38N | +37B | −31N | −34B | 1.5 | 30.0 | 30.0 | 4.25 | 894 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Mejri,MahdiTUN+110.07.0 pts · #4
- 2hemdani OubayTUN+50.46.0 pts · #8
- 3Ben Salha, AhmedTUN+47.67.0 pts · #1
Top rating losers
- 1Bensmail, Mohamed SeddikTUN-59.24.5 pts · #23
- 2Ammous, MahmoudTUN-47.66.0 pts · #3
- 3Aroua OubeyTUN-46.43.0 pts · #30
Biggest upsets
- R8+290 Elo gap
- R4+261 Elo gap
- R6+174 Elo gap