Tunisian Chess Championship Under-20 Girls -2026
11 players participated in this 9-round tournament, held from 20 Dec 2025 to 25 Dec 2025 in Gammarth, Tunis, Tunisia. 1 titled players. Top 10 Elo average was 1256, and top seed was Meriem Ben Amor (🇹🇳 TUN, WCM, 1778).
Nadine Rjeb (🇹🇳 TUN, 1767) won with 8.5/9, ahead of Meriem Ben Amor (8.5) and Abdelkefi Beya (7.0). Rjeb shared the lead from round 4, winning on tie-break.
The biggest upset came in round 9: Mariem Boughdiri (1431) beat Farah Seffen (1542), a +111-point gap.
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How it unfolded
Top 6 · 9 roundsTight race until R9; 2 players tied at 8.5/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
2 players finish on 8.5/9. Rjeb takes the title on Buchholz Cut1 (33.0).
Nadine Rjeb drew with WCM Meriem Ben Amor (White).
Nadine Rjeb 6 wins (R4–R9)WCM Meriem Ben Amor 6 wins (R4–R9)Abdelkefi Beya 3+4 wins (R1–R3, R6–R9)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nadine Rjeb | * | ½ | 1 | 1 |
| 2WCMMeriem Ben Amor | ½ | * | 1 | 1 |
| 3Abdelkefi Beya | 0 | 0 | * | 1 |
| 4Mariem Boughdiri | 0 | 0 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rjeb, Nadine | 1767 | TUN | +4B | +5N | =2B | +3N | +7B | +6N | +11N | +8B | +10B | 8.5 | 33.0 | 34.0 | 29.75 | 1964 | +41.2 |
| 2 | Ben Amor, MeriemWCM | 1778 | TUN | +6N | +8B | =1N | +5B | +3N | +4B | +7B | +10N | +11N | 8.5 | 33.0 | 34.0 | 29.75 | 1962 | +37.2 |
| 3 | Abdelkefi Beya | 1659 | TUN | +9N | +7B | +8N | −1B | −2B | +10N | +4N | +6B | +5B | 7.0 | 35.0 | 36.0 | 19.00 | 1715 | +23.6 |
| 4 | Boughdiri, Mariem | 1431 | TUN | −1N | =9B | F | +6B | +5N | −2N | −3B | +7N | +8N | 4.5 | 37.5 | 37.5 | 12.75 | 1590 | +53.6 |
| 5 | Zena, Ilef | 1494 | TUN | +10N | −1B | +7N | −2N | −4B | +8B | =6N | +11B | −3N | 4.5 | 37.0 | 38.0 | 7.75 | 1416 | -26.4 |
| 6 | Chbil,Chaima | 1473 | TUN | −2B | +11N | +10B | −4N | F | −1B | =5B | −3N | +7B | 3.5 | 37.5 | 38.5 | 6.25 | 1260 | -21.6 |
| 7 | Souissi, Mariem | 0 | TUN | F | −3N | −5B | +8B | −1N | +11B | −2N | −4B | −6N | 2.0 | 39.5 | 39.5 | 3.00 | 1283 | 0.0 |
| 8 | Seffen,Farah | 1542 | TUN | +11B | −2N | −3B | −7N | F | −5N | +10B | −1N | −4B | 2.0 | 37.0 | 37.0 | 2.00 | 826 | -79.2 |
| 9 | Elleuch, Siwar | 1414 | TUN | −3B | =4N | +11B | −10N | F | F | F | F | F | 1.5 | 17.0 | 17.0 | 3.25 | 1353 | -6.8 |
| 10 | Souidi, Chadha | 0 | TUN | −5B | F | −6N | +9B | −11N | −3B | −8N | −2B | −1N | 1.0 | 36.5 | 36.5 | 1.50 | 1281 | 0.0 |
| 11 | FIDE 5532035 | 0 | — | −8N | −6B | −9N | F | +10B | −7N | −1B | −5N | −2B | 1.0 | 31.5 | 31.5 | 1.00 | 778 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Boughdiri, MariemTUN+53.64.5 pts · #4
- 2Rjeb, NadineTUN+41.28.5 pts · #1
- 3Ben Amor, MeriemWCMTUN+37.28.5 pts · #2
- 1Seffen,FarahTUN-79.22.0 pts · #11
- 2Zena, IlefTUN-26.44.5 pts · #5
- 3Chbil,ChaimaTUN-21.63.5 pts · #9
- R9+111 Elo gap