Tehran chess championship boy -18
Open SwissStandard
14 players participated in this 5-round tournament, held from 24 Aug 2025 to 29 Aug 2025 in Tehran, Iran. Top 10 Elo average was 1663, and top seed was Mani Parham Asl (🇮🇷 IRI, 2044).
Shantia Sadeghi (🇮🇷 IRI, 1805) won with 4.5/5, ahead of Amirali Sahraian (3.5) and Mani Parham Asl (3.5). Sadeghi won solo starting round 3.
The biggest upset came in round 2: Amin Mashayekhi (1409) beat Kiarash Nazarali (1634), a +225-point gap.
Location
🇮🇷Tehran, Iran
Dates
24 Aug 2025 → 29 Aug 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇮🇷Iran×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsShantia Sadeghi led from R3; +1.0-point edge over the runner-up.
Co-leaders
6
3
1
1
1
R3–R5 · LEAD HELD
Shantia Sadeghi never relinquished the lead after R3; final gap +1.0 over the runner-up.
WIN STREAKS · 3 top finishers
Shantia Sadeghi 4 wins (R1–R4)Mani Parham Asl 3 wins (R1–R4)Amirali Sahraian 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Shantia Sadeghi | * | — | ½ | — |
| 2Mani Parham Asl | — | * | 1 | 1 |
| 3Amirali Sahraian | ½ | 0 | * | — |
| 4Mohamad Parham Khorasani | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sadeghi, Shantia | 1805 | IRI | +8N | +7B | +9N | +5B | =2N | 4.5 | 10.5 | 11.5 | 9.75 | 1979 | +36.8 |
| 2 | Sahraian, Amirali | 1451 | IRI | −3B | +6N | +10B | +8N | =1B | 3.5 | 12.5 | 13.5 | 7.75 | 1691 | +30.0 |
| 3 | Parham Asl, Mani | 2044 | IRI | +2N | +9B | F | +4B | =5N | 3.5 | 11.5 | 12.5 | 8.75 | 2078 | +8.4 |
| 4 | Khorasani, Mohamad Parham | 1446 | IRI | −5N | +13B | +11B | −3N | +6B | 3.0 | 9.5 | 9.5 | 3.50 | 1656 | +24.0 |
| 5 | Kalantari, Mohammad Saleh | 2023 | IRI | +4B | +11N | F | −1N | =3B | 2.5 | 14.5 | 15.5 | 5.75 | 1876 | -22.8 |
| 6 | Rafiee Saghalaksari, Sepanta | 0 | IRI | +14N | −2B | =7N | +12B | −4N | 2.5 | 10.0 | 10.0 | 2.25 | 1430 | 0.0 |
| 7 | Hannani, Arshia | 1523 | IRI | +12N | −1N | =6B | +10B | −9N | 2.5 | 9.0 | 10.0 | 3.25 | 927 | -19.6 |
| 8 | Mashayekhi, Amin | 1409 | IRI | −1B | +14B | +13N | −2B | F | 2.0 | 8.0 | 8.0 | 0.00 | 1509 | +10.8 |
| 9 | Sameni, Amir Mahdi | 1648 | IRI | F | −3N | −1B | F | +7B | 1.0 | 11.5 | 12.5 | 2.50 | 1667 | -1.6 |
| 10 | Asgari, Ariyan | 0 | IRI | F | +12B | −2N | −7N | F | 1.0 | 8.0 | 8.0 | 1.00 | 690 | 0.0 |
| 11 | Tabassomi, Amir Erfan | 1647 | IRI | +13N | −5B | −4N | F | F | 1.0 | 6.5 | 6.5 | 0.00 | 935 | -34.4 |
| 12 | FIDE 428095332 | 0 | — | −7B | −10N | F | −6N | +13B | 1.0 | 6.0 | 6.0 | 0.00 | 723 | 0.0 |
| 13 | FIDE 536083224 | 0 | — | −11B | −4N | −8B | F | −12N | 0.0 | 7.0 | 7.0 | 0.00 | 702 | 0.0 |
| 14 | Nazarali, Kiarash | 1634 | IRI | −6B | −8N | F | F | F | 0.0 | 5.5 | 5.5 | 0.00 | 611 | -31.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Sadeghi, ShantiaIRI+36.84.5 pts · #1
- 2Sahraian, AmiraliIRI+30.03.5 pts · #5
- 3Khorasani, Mohamad ParhamIRI+24.03.0 pts · #6
Top rating losers
- 1Tabassomi, Amir ErfanIRI-34.41.0 pts · #10
- 2Nazarali, KiarashIRI-31.60.0 pts · #9
- 3Kalantari, Mohammad SalehIRI-22.82.5 pts · #3
Biggest upsets
- R2+225 Elo gap
- R4+218 Elo gap
- R3+201 Elo gap