18th Avicenna International Chess Tournament 2025 -(A)

SwissStandard

81 players participated in this 9-round tournament, held from 24 Aug 2025 to 31 Aug 2025 in Hamedan, Iran. 25 titled players from 3 federations. Top 10 Elo average was 2358, and top seed was Amirreza Pour Agha Bala (🇮🇷 IRI, IM, 2465).

Hamidreza Tahmasebi (🇮🇷 IRI, FM, 2300) won with 7.5/9, ahead of Masoud Mosadeghpour (7.5) and Shahin Lorparizangeneh (7.0). Tahmasebi won on tie-break after catching the field in the final round.

The biggest upset came in round 4: Pedram Rahmani (2046) beat Masoud Mosadeghpour (GM, 2410), a +364-point gap.

Location

🇮🇷Hamedan, Iran

Dates

24 Aug 2025 → 31 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇮🇷IMAmirreza Pour Agha Bala2465

Avg top 10

2,358

Participants

Titled players · 25

GM×4

IM×5

FM×6

CM×5

WFM×4

WCM×1

Federations · 3 represented

🇮🇷Iran×73

🇮🇶Iraq×6

🇦🇲Armenia×2

Top 3

🥇
FMHamidreza Tahmasebi
🇮🇷IRI·2300
7.5pts·2458perf+34.4
🥈
GMMasoud Mosadeghpour
🇮🇷IRI·2410
7.5pts·2413perf+2.2
🥉
GMShahin Lorparizangeneh
🇮🇷IRI·2463
7.0pts·2375perf-5.5

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 2 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Mosadeghpour7.5Tahmasebi7.5Lorparizangeneh7Hayrapetyan6.5Babujian6.5Azadi6.5— ex-leaders:Atakhanled R7, #7

R9 · TIEBREAK CLUSTER

2 players finish on 7.5/9. Tahmasebi takes the title on Buchholz Cut1 (44.0).

WIN STREAKS · 3 top finishers

GM Masoud Mosadeghpour 5 wins (R5–R9)FM Hamidreza Tahmasebi 4 wins (R1–R4)GM Shahin Lorparizangeneh 3+4 wins (R1–R3, R6–R9)

R5 · LATE SURGE

GM Shahin Lorparizangeneh was #20 at R5, climbed to #3 over the final stretch.

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMMasoud Mosadeghpour	*	—	—	—
2FMHamidreza Tahmasebi	—	*	—	1
3GMShahin Lorparizangeneh	—	—	*	—
4GMHovik Hayrapetyan	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Tahmasebi, HamidrezaFM	2300	IRI	+75B	+44N	+37B	+10B	=5N	+33N	−4B	+13N	+6B	7.5	44.0	45.5	35.75	2458	+34.4
2	Mosadeghpour, MasoudGM	2410	IRI	+64N	=26B	+41N	−19B	+42N	+10B	+8B	+5N	+4B	7.5	43.5	46.5	39.00	2413	+2.2
3	Lorparizangeneh, ShahinGM	2463	IRI	+28N	+18B	+34N	−5B	−4N	+22B	+21N	+20B	+7N	7.0	45.0	49.5	36.50	2375	-5.5
4	Atakhan, AbtinIM	2388	IRI	+27B	+46N	+23B	=33N	+3B	+5N	+1N	−6B	−2N	6.5	49.5	53.5	37.25	2416	+5.5
5	Azadi, Amirmohammad	2272	IRI	+81B	+17N	+40B	+3N	=1B	−4B	+12N	−2B	+16N	6.5	49.0	49.0	31.25	2408	+34.6
6	Hayrapetyan, HovikGM	2412	ARM	+31B	=61N	+49B	=8N	+37B	=9N	+33B	+4N	−1N	6.5	44.5	47.5	32.00	2351	-3.5
7	Rastbod, AliFM	2284	IRI	+47N	=41B	=21N	+22B	=20N	+19B	+16B	+9N	−3B	6.5	43.0	47.0	33.00	2291	+4.8
8	Khanjani, Rastin	2213	IRI	=49B	+73N	+42B	=6B	+21N	=12B	−2N	+30N	+13B	6.5	42.5	44.5	29.25	2332	+51.8
9	Babujian, LevonGM	2352	ARM	=43N	+58B	+26N	=12B	+54N	=6B	+34N	−7B	+14N	6.5	41.0	44.0	29.50	2341	+1.6
10	Khademi, Mahdi	2134	IRI	+45N	+20B	+55B	−1N	+71B	−2N	−13B	+40B	+22N	6.0	41.5	43.5	23.00	2176	+11.4
11	Ghanbaralifarzad, Mohammad Hosei	2098	IRI	=65N	=51B	=43N	=45B	+35N	−24B	+56B	+31N	+32B	6.0	34.0	36.5	24.50	2087	-5.7
12	Pour Agha Bala, AmirrezaIM	2465	IRI	+48B	=42N	+61B	=9N	+23B	=8N	−5B	+34N	F	5.5	42.5	45.5	25.00	2301	-12.4
13	Darini, Iliya	2087	IRI	=51N	+65B	−19N	+43B	+41N	+15B	+10N	−1B	−8N	5.5	42.0	44.5	23.75	2169	+20.6
14	Sharbaf, MohsenIM	2156	IRI	+36N	=19B	=22N	−20B	=25B	+49N	+50B	+17N	−9B	5.5	40.0	43.5	24.50	2114	-4.5
15	Kerdegar, Amirreza	2181	IRI	+69B	−40N	+31B	+46N	=17B	−13N	+25B	+36N	F	5.5	39.0	41.5	23.75	2156	-6.2
16	Aryan, Ali EhsanCM	2098	IRQ	−35B	=25N	+73B	+49N	+44B	+40B	−7N	+33N	−5B	5.5	38.5	40.5	20.50	2156	+14.4
17	Alizadeh, Mohammad MahdiCM	2040	IRI	+57N	−5B	+62N	+70B	=15N	−34B	+19N	−14B	+35N	5.5	37.5	40.0	20.75	2155	+27.8
18	Alizadeh, Amirmohammad	2075	IRI	+38B	−3N	+56B	−71N	=63B	=32N	+27B	=24N	+36B	5.5	37.0	39.0	23.50	2078	-0.2
19	Rahmani, Pedram	2046	IRI	+50B	=14N	+13B	+2N	−33B	−7N	−17B	=29N	+71B	5.0	43.5	45.5	23.75	2134	+19.2
20	Nateghi, Yasin	2023	IRI	+71B	−10N	+50B	+14N	=7B	=23N	+37B	−3N	F	5.0	42.5	44.5	21.25	2212	+75.2
21	Rahbar, AihanCM	2058	IRI	=59B	+29N	=7B	+55N	−8B	+27N	−3B	−32N	+45B	5.0	42.0	45.0	21.75	2097	+12.5
22	Arian, Matin	2035	IRI	=29B	+59N	=14B	−7N	+72B	−3N	+38B	+45N	−10B	5.0	41.5	43.5	18.75	2109	+15.0
23	Samimi, ArminFM	2116	IRI	+60N	+24B	−4N	+35B	−12N	=20B	−36N	=48B	+40N	5.0	39.0	42.0	21.00	2128	+0.4
24	Akbari, RoshaWFM	1980	IRI	+78B	−23N	+39B	−37N	+55B	+11N	−30B	=18B	=26N	5.0	38.5	39.0	19.25	2116	+61.9
25	Mardali, Yousef	1953	IRI	−34N	=16B	+74N	+26B	=14N	=54B	−15N	=41B	+44B	5.0	37.5	39.0	19.75	2128	+82.0
26	Zeynali, Ali	2066	IRI	+68B	=2N	−9B	−25N	+65B	−56N	+49B	+50N	=24B	5.0	36.5	39.0	18.25	2085	+2.1
27	Memarzadeh, Hossein	1999	IRI	−4N	+66B	−54N	+62B	+51N	−21B	−18N	+55B	+41N	5.0	34.0	36.5	16.00	2070	+14.8
28	Talebian Zadeh, Ilia	2016	IRI	−3B	=38N	=72B	+59N	=50B	=61N	+55B	=39N	=30B	5.0	33.5	35.5	17.25	2056	+10.1
29	Asadi, Mohammadmobin	1893	IRI	=22N	−21B	=53N	−52B	+69N	+47B	=41N	=19B	+68N	5.0	32.5	35.0	17.75	2064	+60.3
30	Vaziri, Rasool	2069	IRI	−63N	=60B	+58N	+65B	−40N	+57B	+24N	−8B	=28N	5.0	32.5	35.0	17.50	2032	-9.4
31	Daneshvar, Kasra	2008	IRI	−6N	+79B	−15N	=68B	=66N	+62B	+71N	−11B	+42N	5.0	32.0	32.0	11.50	2071	+24.8
32	Amiri, Mahan	1971	IRI	−70N	=67B	−65N	+74B	+52N	=18B	+42N	+21B	−11N	5.0	31.5	33.0	18.00	2077	+36.5
33	Moradi, AmirmasoudFM	2229	IRI	+53N	+76B	+35N	=4B	+19N	−1B	−6N	−16B	F	4.5	40.5	40.5	17.75	2196	-5.0
34	Alizadegan, Korosh	2129	IRI	+25B	+56N	−3B	=40N	+61B	+17N	−9B	−12B	F	4.5	39.5	39.5	18.50	2205	+25.6
35	Masajedian, Moein	1943	IRI	+16N	+70B	−33B	−23N	−11B	+72N	+46B	=37N	−17B	4.5	37.5	39.5	16.25	2088	+34.2
36	Aghili Mofid, Davood	1971	IRI	−14B	−50N	+79B	=39N	+67B	+44N	+23B	−15B	−18N	4.5	36.0	36.0	13.75	2049	+18.2
37	Zahmati, SobhanFM	2102	IRI	+79N	+63B	−1N	+24B	−6N	+45B	−20N	=35B	F	4.5	35.5	35.5	14.25	2104	-0.2
38	Sherafat , Mahdi	1924	IRI	−18N	=28B	+52N	−41B	+43N	=42B	−22N	=58B	+53N	4.5	34.5	37.5	17.00	2033	+26.6
39	Ahmed, Jaza JamalIM	2128	IRQ	=58N	=43B	−24N	=36B	+60N	+71B	=40N	=28B	F	4.5	33.5	35.5	15.25	2006	-24.8
40	Hoseini, S.alireza	2029	IRI	+67N	+15B	−5N	=34B	+30B	−16N	=39B	−10N	−23B	4.0	42.5	45.0	17.50	2070	+10.4
41	Delavari, BehnoodCM	2064	IRI	+72B	=7N	−2B	+38N	−13B	=63N	=29B	=25N	−27B	4.0	42.0	44.0	16.25	2000	-33.6
42	Safarnezhad, Armin	2065	IRI	+66N	=12B	−8N	+60B	−2B	=38N	−32B	+47N	−31B	4.0	41.0	43.5	14.50	2050	-14.4
43	Jalalvand, Amir Hesam	1996	IRI	=9B	=39N	=11B	−13N	−38B	=67N	+72B	−46N	+60B	4.0	36.5	38.5	14.75	2001	-0.8
44	Ghorbani, Mohammad Mehdi	2048	IRI	+62N	−1B	=57N	+67B	−16N	−36B	+58N	=56B	−25N	4.0	34.5	37.0	11.50	1946	-37.8
45	Pilvaieh, Ali	1958	IRI	−10B	=78N	+77B	=11N	+46B	−37N	+61B	−22B	−21N	4.0	34.5	35.0	11.25	2028	+16.8
46	Ghadi Sahebi, Hosein	2053	IRI	F	−4B	+51N	−15B	−45N	+66B	−35N	+43B	+56N	4.0	33.5	33.5	13.00	2030	-6.6
47	Karimi, Omid	1988	IRI	−7B	=72N	=59B	−50N	+77B	−29N	+66N	−42B	+57N	4.0	29.5	30.5	9.00	1921	-17.2
48	Ali Firas Qassim	2016	IRQ	−12N	+80B	−71N	−51B	=73N	+60B	+57N	=23N	F	4.0	24.0	24.0	9.50	2002	-5.4
49	Taheri, Parsa	1982	IRI	=8N	+52B	−6N	−16B	+68N	−14B	−26N	=59B	=66N	3.5	38.0	40.5	12.00	2006	+4.2
50	Edalati, Parsa	1902	IRI	−19N	+36B	−20N	+47B	=28N	+53B	−14N	−26B	F	3.5	37.5	41.0	14.50	1988	+34.8
51	Ghasemi, Matin	1925	IRI	=13B	=11N	−46B	+48N	−27B	−55N	=52N	−66B	+74N	3.5	33.5	35.0	13.00	1920	-4.8
52	Karimi, SetayeshWFM	2118	IRI	=73B	−49N	−38B	+29N	−32B	=65N	=51B	+67N	F	3.5	30.0	32.0	11.50	1892	-96.0
53	Mardani, Alireza	1983	IRI	−33B	=77N	=29B	−72N	+59B	−50N	=67B	+65N	−38B	3.5	27.5	28.5	9.75	1864	-30.0
54	Malekzadeh, Mohammad	2114	IRI	+80B	−55N	+27B	+63N	−9B	=25N	F	F	F	3.5	22.5	22.5	10.50	2053	-8.0
55	Bozorgzad, Arsalan	1802	IRI	F	+54B	−10N	−21B	−24N	+51B	−28N	−27N	+65B	3.0	35.5	35.5	9.50	1934	+46.4
56	Zihaghi, Amir Arsalan	1934	IRI	F	−34B	−18N	+76B	=70N	+26B	−11N	=44N	−46B	3.0	33.0	33.0	9.75	1996	+19.5
57	Kargari Arian, Saba	1902	IRI	−17B	+69N	=44B	−61N	+64B	−30N	−48B	=60N	−47B	3.0	31.5	34.0	9.00	1891	-3.8
58	Salehi reihani, Bahamin	1950	IRI	=39B	−9N	−30B	=77N	=76N	+68B	−44B	=38N	−59N	3.0	31.5	32.5	8.25	1908	-19.2
59	Rajabzadeh, Arsam	1906	IRI	=21N	−22B	=47N	−28B	−53N	F	=65B	=49N	+58B	3.0	31.5	31.5	10.50	1907	-0.4
60	Yousefian, MaedehWFM	1946	IRI	−23B	=30N	+75B	−42N	−39B	−48N	+74N	=57B	−43N	3.0	31.0	32.5	7.00	1897	-22.0
61	Heravi, Mohammad Hossein	2060	IRI	+74N	=6B	−12N	+57B	−34N	=28B	−45N	F	F	3.0	30.0	30.0	10.25	2063	-4.2
62	Barati Masihi, Kevin	1902	IRI	−44B	+81N	−17B	−27N	+75B	−31N	−69N	−74B	+67B	3.0	27.5	27.5	4.00	1859	-20.4
63	Parsa rad, Amirhesam	1923	IRI	+30B	−37N	+76N	−54B	=18N	=41B	F	F	F	3.0	24.0	24.0	11.25	2079	+49.2
64	Jalali, ParimaWFM	2005	IRI	−2B	+68N	−70N	=66B	−57N	+74B	=73N	F	F	3.0	23.5	23.5	6.25	1971	-9.4
65	Moosavi, Seyed Arad	1941	IRI	=11B	−13N	+32B	−30N	−26N	=52B	=59N	−53B	−55N	2.5	36.5	39.5	11.25	1845	-44.5
66	Gharaee Shirazi, Shervin	1915	IRI	−42B	−27N	F	=64N	=31B	−46N	−47B	+51N	=49B	2.5	32.0	32.0	9.25	1862	-21.6
67	Ghasemi, Reza	1893	IRI	−40B	=32N	+69B	−44N	−36N	=43B	=53N	−52B	−62N	2.5	31.5	34.0	8.75	1833	-28.8
68	Sharo, Samir Asaad	1922	IRQ	−26N	−64B	F	=31N	−49B	−58N	+75B	+69N	−29B	2.5	28.5	28.5	6.50	1843	-16.6
69	BAQER HAMEED KHALAF AL-MUSAWICM	1975	IRQ	−15N	−57B	−67N	+79N	−29B	=75N	+62B	−68B	F	2.5	23.0	23.0	3.75	1813	-48.7
70	Riahi, Arvin	2145	IRI	+32B	−35N	+64B	−17N	=56B	F	F	F	F	2.5	21.0	21.0	9.50	1979	-43.6
71	Vatan, Parmis	1816	IRI	−20N	F	+48B	+18B	−10N	−39N	−31B	F	−19N	2.0	38.0	38.0	9.50	1904	+12.6
72	Faraji, Mahan	1911	IRI	−41N	=47B	=28N	+53B	−22N	−35B	−43N	F	F	2.0	30.0	30.0	8.00	1845	-17.4
73	Kouchaki, Amirreza	1948	IRI	=52N	−8B	−16N	=75N	=48B	F	=64B	F	F	2.0	25.5	25.5	6.00	1949	-1.2
74	Karimi, Arad	1911	IRI	−61B	=75N	−25B	−32N	F	−64N	−60B	+62N	−51B	1.5	27.0	27.0	3.75	1718	-74.4
75	Aryanejad, HosseinIM	1993	IRI	−1N	=74B	−60N	=73B	−62N	=69B	−68N	F	F	1.5	22.0	22.0	3.00	1756	-42.6
76	Movagharhasani, Farhan	2051	IRI	+77B	−33N	−63B	−56N	=58B	F	F	F	F	1.5	16.5	16.5	2.50	1839	-57.6
77	Noorinezhad, Nafas	1903	IRI	−76N	=53B	−45N	=58B	−47N	F	F	F	F	1.0	16.0	16.0	3.25	1746	-36.8
78	Sedaghati, MehrdadFM	2198	IRI	−24N	=45B	F	F	F	F	F	F	F	0.5	9.0	9.0	2.00	1777	-21.6
79	Honarparast, Mohammad	1944	IRI	−37B	−31N	−36N	−69B	F	F	F	F	F	0.0	18.0	18.0	0.00	1214	-32.4
80	Firas, Qassim Abbas	1946	IRQ	−54N	−48N	F	F	F	F	F	F	F	0.0	10.0	10.0	0.00	1265	-13.6
81	Khalafvand, Dorsa SadatWCM	1985	IRI	−5N	−62B	F	F	F	F	F	F	F	0.0	9.5	9.5	0.00	1287	-30.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Mardali, YousefIRI
+82.0
5.0 pts · #30
2Nateghi, YasinIRI
+75.2
5.0 pts · #27
3Akbari, RoshaWFMIRI
+61.9
5.0 pts · #24

Top rating losers

1Karimi, SetayeshWFMIRI
-96.0
3.5 pts · #51
2Karimi, AradIRI
-74.4
1.5 pts · #75
3Movagharhasani, FarhanIRI
-57.6
1.5 pts · #74

Biggest upsets

R4+364 Elo gap
Rahmani, Pedram2046 beat GMMosadeghpour, Masoud2410
R2+312 Elo gap
Bozorgzad, Arsalan1802 beat Malekzadeh, Mohammad2114
R4+259 Elo gap
Vatan, Parmis1816 beat Alizadeh, Amirmohammad2075