Tunisian Chess Championship Open Under 08 -2026
Open SwissStandard
12 players participated in this 9-round tournament, held from 20 Dec 2025 to 25 Dec 2025 in Gammarth, Tunis, Tunisia. Top 10 Elo average was 308, and top seed was Ahmed Masmoudi (🇹🇳 TUN, 1554).
Yahya Dimassi (🇹🇳 TUN, 1527) won with 9.0/9, ahead of Ismail Tormen (8.0). Dimassi won solo starting round 4.
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
Federations · 1 represented
🇹🇳Tunisia×6
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsYahya Dimassi led from R4; +1.0-point edge over the runner-up.
Co-leaders
7
4
2
1
1
1
1
1
1
R4–R9 · LEAD HELD
Yahya Dimassi never relinquished the lead after R4; final gap +1.0 over the runner-up.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Yahya Dimassi beat Ismail Tormen (White).
WIN STREAKS · 3 top finishers
Yahya Dimassi 9 wins (R1–R9)Ismail Tormen 3+5 wins (R1–R3, R5–R9)FIDE 5569753 4 wins (R6–R9)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Yahya Dimassi | * | 1 | 1 | 1 |
| 2Ismail Tormen | 0 | * | 1 | 1 |
| 3FIDE 5569753 | 0 | 0 | * | 1 |
| 4FIDE 5565790 | 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 | Dimassi,Yahya | 1527 | TUN | +10B | +11N | +3N | +2B | +7B | +5N | +4N | +8B | +6N | 9.0 | 42.0 | 44.0 | 44.00 | 2354 | +21.6 |
| 2 | Tormen, Ismail | 0 | TUN | +6N | +8B | +4N | −1N | +3B | +7N | +5B | +?B | +9N | 8.0 | 44.0 | 44.0 | 35.00 | 1541 | 0.0 |
| 3 | FIDE 5569753 | 0 | — | +?N | +7N | −1B | +4B | −2N | +6B | +8B | +10N | +11N | 7.0 | 41.0 | 41.0 | 24.00 | 727 | 0.0 |
| 4 | FIDE 5565790 | 0 | — | +?B | +5N | −2B | −3N | +9B | +12N | −1B | =7N | +?B | 5.5 | 37.5 | 37.5 | 11.25 | 1541 | 0.0 |
| 5 | Masmoudi, Ahmed | 1554 | TUN | +8N | −4B | −6N | +9B | +10N | −1B | −2N | +11B | +12N | 5.0 | 40.5 | 40.5 | 13.00 | 727 | -21.6 |
| 6 | FIDE 5556708 | 0 | — | −2B | +?N | +5B | −7N | +11B | −3N | +9B | +?N | −1B | 5.0 | 39.5 | 39.5 | 11.00 | 1541 | 0.0 |
| 7 | Ammar,Mohamed amir | 0 | TUN | +9N | −3B | +10N | +6B | −1N | −2B | F | =4B | +8N | 4.5 | 45.5 | 45.5 | 18.75 | 727 | 0.0 |
| 8 | Makdouli, Anas | 0 | TUN | −5B | −2N | +?B | +?N | +12B | +10B | −3N | −1N | −7B | 4.0 | 36.5 | 36.5 | 3.00 | 741 | 0.0 |
| 9 | Sassi, Aylen | 0 | TUN | −7B | +?N | +11B | −5N | −4N | +?B | −6N | +12B | −2B | 4.0 | 30.0 | 30.0 | 2.00 | 754 | 0.0 |
| 10 | FIDE 5569176 | 0 | — | −1N | +12B | −7B | +11N | −5B | −8N | +?N | −3B | −?N | 3.0 | 31.5 | 31.5 | 2.00 | 741 | 0.0 |
| 11 | FIDE 5567904 | 0 | — | +12N | −1B | −9N | −10B | −6N | +?B | −?N | −5N | −3B | 2.0 | 33.0 | 33.0 | 0.00 | 741 | 0.0 |
| 12 | FIDE 5570425 | 0 | — | −11B | −10N | −?B | −?N | −8N | −4B | F | −9N | −5B | 0.0 | 28.0 | 28.0 | 0.00 | 754 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Dimassi,YahyaTUN+21.69.0 pts · #2
- 2FIDE 55567080.05.0 pts · #1
- 3Ammar,Mohamed amirTUN0.04.5 pts · #12
Top rating losers
- 1Masmoudi, AhmedTUN-21.65.0 pts · #8
- 2FIDE 55567080.05.0 pts · #1
- 3Ammar,Mohamed amirTUN0.04.5 pts · #12