CChessStats

Tunisian Chess Championship Open Under 18 -2026

Open SwissStandard

27 players participated in this 6-round tournament, held from 20 Dec 2025 to 25 Dec 2025 in Gammarth, Tunis, Tunisia. 1 titled players. Top 10 Elo average was 1775, and top seed was Mohamed Khalil Abdallah (🇹🇳 TUN, CM, 2090).

Mohamed Khalil Abdallah (🇹🇳 TUN, CM, 2090) won with 6.0/6, ahead of Ahmed Boudaya (5.0) and Hamza Chennoufi (4.5). Abdallah won solo starting round 5.

The biggest upset came in round 1: Ahmed Rayen Gabsi (1548) beat Mehdi Amri (1829), a +281-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 · 6 rounds
Top seed
🇹🇳CMMohamed Khalil Abdallah2090
Avg top 10
1,775
Participants
27
Titled players · 1
CM×1
Federations · 1 represented
🇹🇳Tunisia×27
Top 3

How it unfolded

Top 6 · 6 rounds

CM Mohamed Khalil Abdallah led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
12
6
3
2
1
1
1.534.56R1R2R3R4R5R6
Abdallah6Boudaya5Chennoufi4.5Mohamed4Jlajla4Ben Jemaa4
R5–R6 · LEAD HELD

CM Mohamed Khalil Abdallah never relinquished the lead after R5; final gap +1.0 over the runner-up.

WIN STREAKS · 2 top finishers

CM Mohamed Khalil Abdallah 6 wins (R1–R6)Ahmed Boudaya 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMMohamed Khalil Abdallah*———
2Ahmed Boudaya—*——
3Hamza Chennoufi——*
½
4Reguiai Mohamed——
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Abdallah, Mohamed KhalilCM2090TUN+7B+11N+8B+10N+4B+14N6.017.520.520.502518+23.6
2Boudaya, Ahmed1618TUN+19N+12B−10B+11N+6B+4N5.017.019.016.001941+82.0
3Chennoufi, Hamza1636TUN+26B−10N+21B=5N+16N+12B4.514.515.510.501873+62.0
4Jlajla,Amine1694TUN+25B+6N+5B+8N−1N−2B4.022.523.512.501857+39.2
5Reguiai Mohamed1890TUN+23N+16B−4N=3B=9N+11B4.017.519.011.001748-36.4
6Ben Jemaa, Selim1587TUN+27N−4B+15N+13B−2N+16B4.017.517.58.501726+37.2
7Hasnaoui, Amen Allah1571TUN−1N+20B−13N+19B+23N+10N4.016.017.58.501790+40.0
8Kolsi, Mohamed Aziz1738TUN+15N+14B−1N−4B+22N=9B3.519.521.59.751717-6.8
9Gabsi, Ahmed Rayen1548TUN+13N−17B=16N+23B=5B=8N3.515.517.09.501764+66.4
10Boumaiza, Fares1805TUN+22N+3B+2N−1B−14N−7B3.022.524.511.501678-39.2
11Saad,Mohamed Hedi1659TUN+20N−1B+22N−2B+13N−5N3.020.022.07.001716+8.4
12Saidi, Mootez1761TUN+21B−2N+17N−14B+15N−3N3.018.020.07.501572-58.0
13Amri,Mehdi1829TUN−9B+18N+7B−6N−11B+20N3.017.019.08.501399-87.2
14Saadaoui, Mohamed Iyad1608TUNF−8N+27B+12N+10B−1B3.015.515.56.001828+42.0
15Ben Ameur, Amine1477TUN−8B+26N−6B+27N−12B+19N3.013.513.53.00895-27.6
16Fkih, Mohamed Taha1649TUN+24B−5N=9B+17N−3B−6N2.518.520.05.751499-42.0
17Ben Nasr,Farouk1578TUN=18B+9N−12B−16B=20N=24N2.513.515.06.501528-8.0
18Sessi, Anwer0TUN=17N−13B−23N+25N+21BF2.511.012.04.2515320.0
19Kilani, Mohamed Amine0TUN−2B−21N+24B−7N+26B−15B2.015.516.52.507460.0
20Ben Nasr, Mohamed0TUN−11B−7N+25B=21N=17B−13B2.014.515.53.2513910.0
21Jabrane, Ayoub1514TUN−12N+19B−3N=20B−18N=25B2.014.015.03.50899-20.8
22Ben Nasr,Iyed1544TUN−10B+24N−11B+26N−8BF2.013.514.52.50934-30.8
23Belgacem, Adam1553TUN−5B=25N+18B−9N−7BF1.515.015.03.00870-44.0
24khlifi, elyes0TUN−16N−22B−19NF+27B=17B1.59.09.01.2513180.0
25Amaidia, Almuatassam bellah0TUN−4N=23B−20N−18BF=21N1.012.012.01.7514620.0
26ZRIBI, RAYEN0TUN−3N−15BF−22B−19N+27N1.011.511.50.007520.0
27radhouani, khalil0TUN−6BF−14N−15B−24N−26B0.012.512.50.007570.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets