Tehran chess championship boy -12

Open SwissStandard

53 players participated in this 7-round tournament, held from 24 Aug 2025 to 29 Aug 2025 in Tehran, Iran. Top 10 Elo average was 1644, and top seed was MohammadTaha Savaghebi FiroozAbadi (🇮🇷 IRI, 1737).

Mohammad Yasin Toosi (🇮🇷 IRI, 1705) won with 6.5/7, ahead of Saman Tabatabaei Fard (6.0) and Mohammad Kasra Shakoori (5.5). Toosi broke clear in the final round.

The biggest upset came in round 3: Amirali Shapoori (1527) beat Mohammad Taha Nazeri (1645), a +118-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 · 7 rounds

Top seed

🇮🇷MohammadTaha Savaghebi FiroozAbadi1737

Avg top 10

1,644

Participants

Federations · 1 represented

🇮🇷Iran×42

Top 3

🥇
Mohammad Yasin Toosi
🇮🇷IRI·1705
6.5pts·1975perf+54.0
🥈
Saman Tabatabaei Fard
🇮🇷IRI·1665
6.0pts·1839perf+40.8
🥉
Mohammad Kasra Shakoori
🇮🇷IRI·1568
5.5pts·1624perf+9.2

How it unfolded

Top 6 · 7 rounds

Mohammad Yasin Toosi led from R7; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.

Co-leaders

Toosi6.5Tabatabaei Fard6Shakoori5.5Taheri5Ghadyani5Karimlar5

R7–R7 · LEAD HELD

Mohammad Yasin Toosi held the sole lead from R7 through R7 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Mohammad Yasin Toosi drew with Saman Tabatabaei Fard (Black).

WIN STREAKS · 3 top finishers

Mohammad Yasin Toosi 4 wins (R1–R4)Saman Tabatabaei Fard 4 wins (R1–R4)Mohammad Kasra Shakoori 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Mohammad Yasin Toosi	*	½	1	1
2Saman Tabatabaei Fard	½	*	½	—
3Mohammad Kasra Shakoori	0	½	*	—
4Amirali Taheri	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Toosi, Mohammad Yasin	1705	IRI	+24N	+33B	+3N	+13B	=2N	+11B	+4N	6.5	29.0	32.0	29.00	1975	+54.0
2	Tabatabaei Fard, Saman	1665	IRI	+40B	+43N	+8B	+5N	=1B	+18N	=3B	6.0	28.5	31.0	25.00	1839	+40.8
3	Shakoori, Mohammad Kasra	1568	IRI	+46B	+36N	−1B	+44N	+16B	+37N	=2N	5.5	24.5	26.5	17.00	1624	+9.2
4	Taheri, Amirali	1709	IRI	+29B	=17N	+31B	=6N	+9B	+13N	−1B	5.0	28.0	31.0	20.00	1688	-3.6
5	Sadri, Yassin	1587	IRI	+38N	+45B	+30N	−2B	+12N	+10B	−9B	5.0	25.5	27.5	17.00	903	-26.4
6	Karimlar, Keysan	1545	IRI	=14N	+23B	+22N	=4B	−10N	+21B	+30B	5.0	25.0	28.0	18.75	1709	+8.8
7	Ghadyani, Armin	1575	IRI	+35B	+47N	=16B	−9N	=14B	+27N	+17B	5.0	23.5	25.5	16.75	1548	-4.8
8	Yarandi, Seyed Kian	1499	IRI	+48N	+10B	−2N	−12B	+41N	+44B	+37B	5.0	22.5	24.0	13.50	869	-10.8
9	Savaghebi FiroozAbadi, MohammadTaha	1737	IRI	F	+25B	=11N	+7B	−4N	+26B	+5N	4.5	27.5	31.0	19.25	1782	+15.2
10	Talebi, Arian	0	IRI	+27B	−8N	+40B	+17N	+6B	−5N	=13B	4.5	27.0	29.5	17.25	1511	0.0
11	Rezaei, Sohrab	1573	IRI	+28N	+50B	=9B	=16N	+30B	−1N	=14B	4.5	26.0	27.0	14.00	1522	-8.0
12	Heydari Armaki, Amirali	0	IRI	−18B	+26N	+19B	+8N	−5B	=16N	+?B	4.5	25.5	25.5	14.50	1607	0.0
13	Shapoori, Amirali	1527	IRI	+49B	+52N	+18B	−1N	+32B	−4B	=10N	4.5	24.5	25.5	11.75	1562	+5.2
14	Mollatayefeh, Mohammadtaha	0	IRI	=6B	−31N	+?B	+15N	=7N	+?B	=11N	4.5	22.0	22.0	11.75	1541	0.0
15	Fatollahzadeh, Faryan	0	IRI	F	=42N	+53B	−14B	+31N	+25B	+?N	4.5	18.5	18.5	8.25	1534	0.0
16	Rahimi, Mohammad Arman	1497	IRI	+39N	+37B	=7N	=11B	−3N	=12B	=19B	4.0	26.5	29.5	15.00	1496	-1.2
17	Tamis, Iman	1400	IRI	+34N	=4B	=20N	−10B	+24N	+22B	−7N	4.0	25.5	28.5	14.50	1457	+5.6
18	Nazeri, Mohammad Taha	1645	IRI	+12N	+44B	−13N	+41B	+33N	−2B	F	4.0	24.5	26.5	12.00	799	-45.2
19	Zadehdabbagh, Shantiya	1616	IRI	+51B	F	−12N	+28B	=22N	+23B	=16N	4.0	22.0	23.0	11.75	1497	-6.4
20	Zare, Sina	1461	IRI	=22B	+53N	=17B	−30N	+35B	+32N	F	4.0	20.5	21.0	10.25	1411	-2.8
21	Baghi, Mohammad Javad	0	IRI	−36B	+46N	+47B	−32N	+50B	−6N	+51B	4.0	16.0	17.0	6.00	744	0.0
22	Nourizad Chianeh, Ariyan	0	IRI	=20N	+?B	−6B	+31N	=19B	−17N	=27B	3.5	23.5	23.5	8.75	1424	0.0
23	Otraghchi, Barsam	0	IRI	=31B	−6N	+29B	=24B	=25N	−19N	+40B	3.5	22.5	25.0	11.00	1312	0.0
24	Hasanpour Aghdam, Mohammad Mahdi	0	IRI	−1B	=?N	+42B	=23N	−17B	+46N	=26N	3.5	22.0	22.0	8.00	1329	0.0
25	Mousavi, Erfan	1410	IRI	+42B	−9N	−35B	+45N	=23B	−15N	+36B	3.5	21.0	23.0	9.25	937	-5.2
26	Mazlomi, Seyed Alireza	1623	IRI	F	−12B	+34N	+38N	+40B	−9N	=24B	3.5	21.0	21.0	10.25	937	-17.2
27	FIDE 536083380	0	—	−10N	+48B	−32N	+39B	+51N	−7B	=22N	3.5	20.5	21.5	7.25	775	0.0
28	FIDE 536083437	0	—	−11B	−?N	+?B	−19N	=45B	+48N	+41N	3.5	14.5	14.5	5.00	794	0.0
29	Hamidinia, Roham	0	IRI	−4N	=34B	−23N	+53B	−?N	+?B	+49N	3.5	13.5	13.5	3.50	909	0.0
30	Nazarboland Jahromi, Parham	0	IRI	+?N	F	−5B	+20B	−11N	+33B	−6N	3.0	25.5	25.5	7.00	1472	0.0
31	Esfahani, Sadra	1448	IRI	=23N	+14B	−4N	−22B	−15B	=45N	+46B	3.0	23.0	25.0	9.25	909	-7.2
32	Talebzadeh, Alireza	0	IRI	−44N	F	+27B	+21B	−13N	−20B	+33N	3.0	21.0	21.0	10.50	695	0.0
33	FIDE 428092473	0	—	+?B	−1N	+45B	+50N	−18B	−30N	−32B	3.0	19.5	19.5	3.00	876	0.0
34	Ranjbardar, Mohammadparsa	0	IRI	−17B	=29N	−26B	−?N	+42B	+43N	=35B	3.0	19.0	19.0	8.25	750	0.0
35	Lotfipour, Arad	0	IRI	−7N	+?B	+25N	−?B	−20N	=41B	=34N	3.0	18.0	18.0	6.25	1310	0.0
36	Taher Shams, Mohammad Mahan	0	IRI	+21N	−3B	−41N	+?B	−44B	+?N	−25N	3.0	17.5	17.5	4.00	689	0.0
37	Tayebzadeh, Mohammad Arshiya	0	IRI	+?B	−16N	+?B	F	+?N	−3B	−8N	3.0	14.5	14.5	0.00	1339	0.0
38	Kazemi, Aryan	0	IRI	−5B	+?N	−?N	−26B	+39N	−?B	+47B	3.0	13.5	13.5	5.00	810	0.0
39	FIDE 536083453	0	—	−16B	+?N	−?B	−27N	−38B	+?N	+?B	3.0	10.5	10.5	0.00	697	0.0
40	FIDE 536083429	0	—	−2N	+?B	−10N	+48B	−26N	=49B	−23N	2.5	20.5	20.5	2.25	879	0.0
41	Faramarzi, Arshiya	0	IRI	−52B	+49N	+36B	−18N	−8B	=35N	−28B	2.5	20.0	21.0	6.00	772	0.0
42	FIDE 536083461	0	—	−25N	=15B	−24N	−?B	−34N	+53B	+?N	2.5	15.0	15.0	2.75	610	0.0
43	FIDE 536083372	0	—	+?N	−2B	−50N	=49B	−?N	−34B	+48N	2.5	13.0	13.0	2.25	869	0.0
44	Bazesh, Mohammadtaha	0	IRI	+32B	−18N	F	−3B	+36N	−8N	−?B	2.0	21.5	21.5	6.00	770	0.0
45	Sarfarazian, Erfan	0	IRI	+?B	−5N	−33N	−25B	=28N	=31B	F	2.0	18.0	18.0	3.25	1206	0.0
46	FIDE 536083445	0	—	−3N	−21B	−?N	+?N	+47B	−24B	−31N	2.0	18.0	18.0	2.00	709	0.0
47	FIDE 428095901	0	—	+?N	−7B	−21N	−51B	−46N	+?B	−38N	2.0	15.0	15.0	0.00	775	0.0
48	Nadi, Sohrab	0	IRI	−8B	−27N	+?B	−40N	=?N	−28B	−43B	1.5	17.0	17.0	0.00	697	0.0
49	FIDE 536014630	0	—	−13N	−41B	F	=43N	=?B	=40N	−29B	1.5	15.5	15.5	2.50	728	0.0
50	Shafiei, Mahan	0	IRI	F	−11N	+43B	−33B	−21N	F	F	1.0	15.0	15.0	2.50	772	0.0
51	Kanan, Sina	0	IRI	−19N	−?B	F	+47N	−27B	F	−21N	1.0	14.5	14.5	2.00	790	0.0
52	Yekefallah, Artin	0	IRI	+41N	−13B	F	F	F	F	F	1.0	9.0	9.0	2.50	728	0.0
53	FIDE 536083470	0	—	=?N	−20B	−15N	−29N	−?B	−42N	F	0.5	14.5	14.5	0.00	661	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Toosi, Mohammad YasinIRI
+54.0
6.5 pts · #1
2Tabatabaei Fard, SamanIRI
+40.8
6.0 pts · #4
3Savaghebi FiroozAbadi, MohammadTahaIRI
+15.2
4.5 pts · #2

Top rating losers

1Nazeri, Mohammad TahaIRI
-45.2
4.0 pts · #42
2Sadri, YassinIRI
-26.4
5.0 pts · #46
3Mazlomi, Seyed AlirezaIRI
-17.2
3.5 pts · #34

Biggest upsets

R3+118 Elo gap
Shapoori, Amirali1527 beat Nazeri, Mohammad Taha1645