9th Mersin Metropolitan Municipality International Open Chess Tournament - C

Open SwissStandard

100 players participated in this 9-round tournament, held from 09 Nov 2025 to 15 Nov 2025 in Mersin, Turkey. 6 federations represented. Top 10 Elo average was 1656, and top seed was Naz Mercan Fidan (🇹🇷 TUR, 1685).

Ufuk Atbas (🇹🇷 TUR, 1667) won with 7.5/9, ahead of Mert Sahin (7.5) and Naz Mercan Fidan (7.0). Atbas shared the lead from round 8, winning on tie-break.

The biggest upset came in round 5: Efe Melih Yildirim (1417) beat Maria Trivella (1602), a +185-point gap.

Location

🇹🇷Mersin, Turkey

Dates

09 Nov 2025 → 15 Nov 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇹🇷Naz Mercan Fidan1685

Avg top 10

1,656

Participants

100

Federations · 6 represented

🇹🇷Turkiye×90

🇸🇾Syria×2

🇦🇿Azerbaijan×1

🇹🇲Turkmenistan×1

🇬🇷Greece×1

🇷🇺Russia×1

Top 3

🥇
Ufuk Atbas
🇹🇷TUR·1667
7.5pts·1889perf+94.8
🥈
Mert Sahin
🇹🇷TUR·1660
7.5pts·1858perf+85.6
🥉
Naz Mercan Fidan
🇹🇷TUR·1685
7.0pts·1805perf+53.2

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 5 co-leaders at R4 to 2 at the finish.

Co-leaders

Atbas7.5Sahin7.5Fidan7Celik6.5Zeybek6.5Aggun6.5

R7 · LEADER CHANGE13 Nov

Naz Mercan Fidan takes the sole lead (6.0/7).

R9 · TIEBREAK CLUSTER

2 players finish on 7.5/9. Atbas takes the title on Buchholz Cut1 (50.5).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Ufuk Atbas drew with Mert Sahin (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Ufuk Atbas	*	½	½	—
2Mert Sahin	½	*	1	—
3Naz Mercan Fidan	½	0	*	—
4Fatma Nisa Celik	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Atbas, Ufuk	1667	TUR	+28N	+8B	+11N	=5B	=3N	+29B	=2B	+4N	+10B	7.5	50.5	55.5	45.00	1889	+94.8
2	Sahin, Mert	1660	TUR	−57N	+48B	+30N	+60B	+11N	+12B	=1N	+3B	+9N	7.5	46.0	50.0	42.25	1858	+85.6
3	Fidan, Naz Mercan	1685	TUR	+91B	=43N	+55B	+56N	=1B	+16N	+4B	−2N	+15B	7.0	45.0	47.5	34.00	1805	+53.2
4	Aggun, Musa	1635	TUR	+42N	+57B	=27N	+32B	+6N	+5B	−3N	−1B	+18N	6.5	48.0	52.0	35.00	1782	+35.4
5	Suna, Yigit Emre	1625	TUR	+45N	+33B	+44N	=1N	+15B	−4N	+43B	−10N	+23B	6.5	45.0	49.5	33.25	1747	+58.4
6	Zeybek, Kayla Nil	1668	TUR	+19B	=55N	+43B	+40N	−4B	+8B	=18N	=17N	+21B	6.5	44.0	48.0	34.00	1765	+46.0
7	Celik, Fatma Nisa	1627	TUR	=22B	+49N	−56B	=45N	+93B	+55N	=29B	+16N	+17B	6.5	38.5	40.5	29.00	1711	+40.0
8	Aksoy, Talha Esat	1573	TUR	+39B	−1N	+49B	+61N	+44B	−6N	+12N	−9B	+27B	6.0	45.0	49.0	29.00	1718	+69.6
9	Ugur, Ruzgar	1626	TUR	=13B	=22N	+75B	+73N	=19B	+27N	=17B	+8N	−2B	6.0	44.5	48.0	29.25	1697	+33.6
10	Emekli, Melis	1638	TUR	+30N	−27B	=33N	=34B	+37N	+59B	+28N	+5B	−1N	6.0	44.0	48.0	30.50	1660	+7.6
11	Kasikcioglu, Baran	1574	TUR	+31N	+24B	−1B	+89N	−2B	=56N	=38B	+58N	+35B	6.0	43.5	46.0	26.50	1725	+65.2
12	Secereli, Sidar	1665	TUR	+36B	−44N	+22B	+58N	+83B	−2N	−8B	+47B	+30N	6.0	42.0	45.0	27.00	1651	-4.2
13	Kocaman, Ahmet Eymen	1570	TUR	=9N	=46B	=31N	=24B	+82N	−20B	+37N	+41B	+32N	6.0	41.5	44.5	28.50	1700	+63.6
14	Donmez, Defne Ada	1542	TUR	=46N	−31B	−79N	=74B	+95N	+80B	+66N	+36B	+28N	6.0	33.0	34.0	22.00	1630	+42.4
15	Alim, Mehmet Emir	1596	TUR	+29N	=32B	+16N	=27B	−5N	+48B	+41N	=18B	−3N	5.5	44.5	49.0	27.75	1671	+31.4
16	Ulgez, Selin	1499	TUR	+67B	+26N	−15B	+41N	+21N	−3B	=32N	−7B	+50N	5.5	44.5	48.5	27.00	1672	+84.8
17	Sahin, Omer Tuna	1618	TUR	−27N	+92B	=34N	+33B	+36N	+57B	=9N	=6B	−7N	5.5	43.0	45.0	24.75	1658	+20.8
18	Olmez, Talha	1602	TUR	−55B	+62N	+39B	+92N	=27B	+19N	=6B	=15N	−4B	5.5	42.0	44.0	25.00	1653	+25.6
19	Altinel, Ali Fuat	1573	TUR	−6N	+63B	+20N	+66B	=9N	−18B	−25N	+77B	+44N	5.5	41.5	45.0	24.50	1611	+26.8
20	Yasar, Cinar	1450	TUR	=58B	+70N	−19B	=26N	+49B	+13N	−21B	=22N	+43B	5.5	41.0	45.0	26.50	1647	+97.2
21	Gun, Erva Oyku	1617	TUR	−44B	+37N	+88B	+62N	−16B	=58N	+20N	+25B	−6N	5.5	40.5	43.5	25.00	1622	+4.0
22	Ari, Yigitcan	1554	TUR	=7N	=9B	−12N	−63N	+76B	+82B	+53N	=20B	+47N	5.5	40.5	43.5	24.50	1598	+23.2
23	Demir, Kuzey	1450	TUR	+25N	=28B	−57N	=46B	+45B	+83N	=35B	+43N	−5N	5.5	39.5	42.5	24.75	1669	+106.8
24	Cimsit, Muhammet Taha	1669	TUR	+83B	−11N	=36B	=13N	=62B	+79N	=27B	=45N	+38B	5.5	38.5	41.5	23.25	1594	-30.8
25	Akbali, Berat	1534	TUR	−23B	+85N	+84B	=64N	+40B	−43N	+19B	−21N	+46B	5.5	37.5	40.5	23.00	1606	+28.4
26	Sifan, Seymen	1615	TUR	−33N	−16B	+70N	=20B	=72N	+92B	=48N	+59B	+45B	5.5	36.5	38.5	21.25	1594	-9.2
27	Duray, Sedat	1564	TUR	+17B	+10N	=4B	=15N	=18N	−9B	=24N	+31B	−8N	5.0	46.5	51.5	28.00	1664	+23.8
28	Boz, Muzaffer Ata	1582	TUR	−1B	=23N	+47B	+68N	+64B	=35N	−10B	+34N	−14B	5.0	43.5	47.5	22.75	1552	-13.2
29	Atakisi, Bahar Ece	1599	TUR	−15B	+84N	+68B	+77N	+56B	−1N	=7N	=32B	−33B	5.0	41.0	44.0	20.25	1587	-6.8
30	Tolstov, Nikita	0	RUS	−10B	+38N	−2B	=78N	+68B	+89N	+56B	=35N	−12B	5.0	41.0	43.5	19.75	1554	0.0
31	Erdogan, Seymen	1635	TUR	−11B	+14N	=13B	−55N	+51B	+88N	=34B	−27N	+58B	5.0	40.5	43.5	23.00	1591	-22.4
32	Erdogan, Halil	1592	TUR	+75B	=15N	+89B	−4N	=55B	+44N	=16B	=29N	−13B	5.0	40.5	43.0	20.50	1601	+2.8
33	Uzun, Ata Deniz	1510	TUR	+26B	−5N	=10B	−17N	+94B	=65N	+63B	F	+29N	5.0	40.5	42.5	21.50	1640	+55.2
34	Selen, Firat	1552	TUR	=41B	=35N	=17B	=10N	=89B	+64N	=31N	−28B	+66N	5.0	39.5	42.0	22.50	1573	+13.2
35	Uslu, Mehmet	1634	TUR	=50N	=34B	+81N	+59B	=57N	=28B	=23N	=30B	−11N	5.0	39.0	42.0	21.50	1587	-9.0
36	Erdogan, Erdil	1582	TUR	−12N	+65B	=24N	+86B	−17B	=61N	+62B	−14N	+63B	5.0	39.0	42.0	19.75	1585	+0.8
37	Sahan, Metehan	1507	TUR	+52N	−21B	−64N	+99B	−10B	+54N	−13B	+67N	+55B	5.0	38.5	38.5	17.00	1536	+9.6
38	Tas, Yusuf Efe	0	TUR	+73N	−30B	−59N	+81B	=60N	+50B	=11N	+42B	−24N	5.0	37.5	40.5	21.00	1600	0.0
39	Annaberdiyeva, Shirin	1545	TKM	−8N	+64B	−18N	=65B	+52N	=77B	=51N	=40N	+85B	5.0	37.0	40.0	20.00	1453	-35.6
40	Durmus, Ulas Utkan	1611	TUR	=81N	+50B	+82N	−6B	−25N	+60B	−47N	=39B	+59N	5.0	37.0	40.0	19.50	1578	-17.2
41	Doven, Hakan	1613	TUR	=34N	=81B	+72N	−16B	+92B	+73N	−15B	−13N	+61B	5.0	36.0	38.0	17.00	1575	-9.6
42	Ahmad ,Alo.	1579	SYR	−4B	−89N	+69B	+84N	−79B	+74N	+61B	−38N	+80B	5.0	32.0	34.5	17.50	1579	+1.2
43	Yesilhuyuk, Mustafa Hakan	1603	TUR	+48N	=3B	−6N	+72B	+47N	+25B	−5N	−23B	−20N	4.5	45.5	49.0	21.50	1543	-14.2
44	Uslu, Mehmet Fatih	1560	TUR	+21N	+12B	−5B	+51N	−8N	−32B	+65B	=46N	−19B	4.5	43.5	47.5	22.25	1564	+2.4
45	Dogan, Ahmet Mete	1568	TUR	−5B	=47N	+98B	=7B	−23N	+84N	+79B	=24B	−26N	4.5	40.0	41.0	15.25	1532	-18.0
46	Celik, Ahmet Arif	1608	TUR	=14B	=13N	=58B	=23N	=61B	=62N	+73B	=44B	−25N	4.5	39.5	43.0	20.50	1523	-36.8
47	Gunes, Poyraz	1429	TUR	+53N	=45B	−28N	+50B	−43B	+91N	+40B	−12N	−22B	4.5	39.5	42.0	18.75	1585	+62.0
48	Gucum, Demir	1540	TUR	−43B	−2N	+74B	+85N	+63B	−15N	=26B	=55N	=51B	4.5	39.0	42.0	17.50	1498	-18.8
49	Gunes, Zeynep Deniz	1537	TUR	+71N	−7B	−8N	+95B	−20N	−66B	+78N	+65B	=52N	4.5	38.0	39.0	14.75	1482	-27.2
50	Guler, Ahmet Ediz	1571	TUR	=35B	−40N	+87B	−47N	+86B	−38N	+67B	+56N	−16B	4.5	36.0	39.0	16.50	1507	-24.0
51	Gurbiyik, Efe Eren	1420	TUR	=72N	=59B	+53N	−44B	−31N	+93N	=39B	=60B	=48N	4.5	35.0	37.0	17.00	1539	+57.2
52	Aggun, Damir	1413	TUR	−37B	−61N	=90B	+69N	−39B	=68N	+93B	+62N	=49B	4.5	33.0	35.0	15.50	1517	+46.0
53	Demirok, Sezen	1512	TUR	−47B	+100N	−51B	−67N	+96B	+90N	−22B	=54N	+76B	4.5	30.0	30.0	9.25	1207	-78.0
54	Kahraman, Ahmet Emir	0	TUR	=98N	−86B	−80N	=76B	+70N	−37B	+82N	=53B	+72N	4.5	29.5	30.5	15.00	1485	0.0
55	Sarin, Demir	1567	TUR	+18N	=6B	−3N	+31B	=32N	−7B	=77N	=48B	−37N	4.0	45.0	48.5	20.25	1551	-8.8
56	Aggun, Lena	1456	TUR	+97N	+71B	+7N	−3B	−29N	=11B	−30N	−50B	=60N	4.0	42.0	43.0	16.50	1546	+33.2
57	Yaglioglu, Batuhan Alp	1573	TUR	+2B	−4N	+23B	+79N	=35B	−17N	=58B	F	F	4.0	42.0	42.0	20.50	1615	+8.4
58	Karahan, Cemal Guney	1528	TUR	=20N	+95B	=46N	−12B	+80N	=21B	=57N	−11B	−31N	4.0	39.5	40.5	13.75	1505	-10.0
59	Aynaoglu, Mete	1515	TUR	=74B	=51N	+38B	−35N	+67B	−10N	+83B	−26N	−40B	4.0	38.5	41.5	16.00	1458	-26.4
60	Karayel, Poyraz	1524	TUR	−89B	+67N	+63B	−2N	=38B	−40N	=64B	=51N	=56B	4.0	38.0	40.5	16.75	1438	-33.6
61	Bugdayci, Resul	1499	TUR	−66N	+52B	+95N	−8B	=46N	=36B	−42N	+64B	−41N	4.0	38.0	39.0	14.25	1435	-15.4
62	Dogru, Muhammed Talha	1512	TUR	+80N	−18B	+65N	−21B	=24N	=46B	−36N	−52B	+94N	4.0	37.5	39.5	14.00	1483	-13.6
63	Ciddi, Cinar	1436	TUR	+69B	−19N	−60N	+22B	−48N	+81B	−33N	+75B	−36N	4.0	37.0	40.0	16.00	1499	+31.6
64	Ozdil, Asaf Bugra	0	TUR	+77B	−39N	+37B	=25B	−28N	−34B	=60N	−61N	+89B	4.0	37.0	39.5	15.75	1475	0.0
65	Yildirim, Efe Melih	1417	TUR	+93B	−36N	−62B	=39N	+71B	=33B	−44N	−49N	+87B	4.0	35.0	37.0	14.00	1457	+15.2
66	Celik, Bahri	1411	TUR	+61B	−75N	+93B	−19N	−73B	+49N	−14B	+87N	−34B	4.0	35.0	37.0	13.50	1446	+4.0
67	Cimsit, Kayra	1411	TUR	−16N	−60B	+96N	+53B	−59N	+72B	−50N	−37B	+79N	4.0	34.0	35.0	12.00	1425	+3.6
68	Halis, Muzaffer	1513	TUR	=78N	+76B	−29N	−28B	−30N	=52B	−80N	+82B	+84N	4.0	32.5	35.5	13.50	1477	-15.6
69	Kavak, Ali Haydar	1515	TUR	−63N	=78B	−42N	−52B	+99N	+94B	=88B	+74N	F	4.0	29.5	29.5	8.75	1428	-34.4
70	Gultekin, Eren	1522	TUR	=76N	−20B	−26B	=90N	−54B	=96N	=94N	+92B	+77N	4.0	29.0	30.0	10.00	1484	-12.4
71	Trivella, Maria	1602	GRE	−49B	−56N	F	+97B	−65N	+95B	+84N	+79B	F	4.0	24.5	24.5	8.00	1453	-23.6
72	Coskun, Kaan	1511	TUR	=51B	+74N	−41B	−43N	=26B	−67N	=76B	+89N	−54B	3.5	35.0	37.5	12.75	1455	-25.6
73	Duran, Emir	1514	TUR	−38B	+90N	+78B	−9B	+66N	−41B	−46N	−85N	=74B	3.5	34.5	37.0	11.75	1467	-17.6
74	Boz, Ruzgar	1440	TUR	=59N	−72B	−48N	=14N	+75B	−42B	+92N	−69B	=73N	3.5	34.0	36.0	12.25	1451	-0.8
75	Kahraman, Mert	1554	TUR	−32N	+66B	−9N	−80B	−74N	+97B	+89B	−63N	=78B	3.5	31.5	32.5	9.25	1338	-92.8
76	Ismayilov, Jamil	1443	AZE	=70B	−68N	−91B	=54N	−22N	+99B	=72N	+90B	−53N	3.5	31.0	31.0	8.50	1262	-45.6
77	Temiz, Baris	1489	TUR	−64N	+97B	+99N	−29B	=91B	=39N	=55B	−19N	−70B	3.5	31.0	31.0	6.75	1373	-33.6
78	Olcal, Aslan	1430	TUR	=68B	=69N	−73N	=30B	−88N	=86N	−49B	+81B	=75N	3.5	30.5	33.5	12.75	1453	+4.4
79	Gozugorur, Toprak Batu	1454	TUR	+100B	−83N	+14B	−57B	+42N	−24B	−45N	−71N	−67B	3.0	36.0	36.0	11.00	1372	-32.0
80	Colak, Cagan Deniz	1421	TUR	−62B	−93N	+54B	+75N	−58B	−14N	+68B	F	−42N	3.0	34.0	36.0	12.00	1375	-16.8
81	Bapoglu, Ibrahim	1544	TUR	=40B	=41N	−35B	−38N	+85B	−63N	−87B	−78N	+90B	3.0	33.5	36.0	10.50	1306	-30.0
82	Yesil, Ates Mete	1484	TUR	+90B	+91N	−40B	−83N	−13B	−22N	−54B	−68N	+93B	3.0	33.0	35.0	7.00	1405	-30.0
83	Tawel, Ihab	1591	SYR	−24N	+79B	+86N	+82B	−12N	−23B	−59N	F	F	3.0	33.0	33.0	9.00	1486	-19.4
84	Gundogan, Hena Nurten	1452	TUR	+96N	−29B	−25N	−42B	+100N	−45B	−71B	+93N	−68B	3.0	31.0	31.0	3.00	1247	-60.4
85	Kara, Cagri	0	TUR	−92N	−25B	+97N	−48B	−81N	F	+86B	+73B	−39N	3.0	27.5	27.5	7.50	1371	0.0
86	Bozdemir, Sabri Can	1509	TUR	=94B	+54N	−83B	−36N	−50N	=78B	−85N	+97B	F	3.0	26.5	27.5	8.25	1278	-29.0
87	Yildirim, Mehmet Selim	0	TUR	−95N	+96B	−50N	−91N	−90B	+100B	+81N	−66B	−65N	3.0	22.5	22.5	4.00	1220	0.0
88	Yilmaz, Mustafa	1625	TUR	F	+99B	−21N	=94N	+78B	−31B	=69N	F	F	3.0	20.0	20.0	6.50	1452	-23.2
89	Kilic, Bayram	1444	TUR	+60N	+42B	−32N	−11B	=34N	−30B	−75N	−72B	−64N	2.5	37.5	41.0	11.50	1451	+0.6
90	Dagli, Yagiz Mete	1405	TUR	−82N	−73B	=52N	=70B	+87N	−53B	=96B	−76N	−81N	2.5	29.0	30.0	7.75	1180	0.0
91	Demirtas, Ali	1601	TUR	−3N	−82B	+76N	+87B	=77N	−47B	F	F	F	2.5	24.5	24.5	8.25	1353	-66.8
92	Ilhan, Ferhat	1501	TUR	+85B	−17N	+94B	−18B	−41N	−26N	−74B	−70N	F	2.0	34.0	35.0	5.00	1239	-87.2
93	Ataseven, Huseyin	1509	TUR	−65N	+80B	−66N	+100B	−7N	−51B	−52N	−84B	−82N	2.0	32.5	32.5	3.00	1135	-71.4
94	Yilmaz, Ahmet Selim	1415	TUR	=86N	=98B	−92N	=88B	−33N	−69N	=70B	F	−62B	2.0	26.0	26.0	5.50	1329	-33.6
95	Duran, Yagiz Turan	1403	TUR	+87B	−58N	−61B	−49N	−14B	−71N	F	F	F	1.0	25.5	25.5	3.00	741	-63.2
96	FIDE 7620918	0	—	−84B	−87N	−67B	F	−53N	=70B	=90N	F	F	1.0	24.0	24.0	3.25	1152	0.0
97	FIDE 13491121	0	—	−56B	−77N	−85B	−71N	F	−75N	+99B	−86N	F	1.0	23.0	23.0	0.00	721	0.0
98	Gizdas, Salim Emre	1467	TUR	=54B	=94N	−45N	F	F	F	F	F	F	1.0	11.0	11.0	3.25	1299	-17.2
99	FIDE 7621000	0	—	F	−88N	−77B	−37N	−69B	−76N	−97N	F	F	0.0	21.0	21.0	0.00	713	0.0
100	FIDE 7620942	0	—	−79N	−53B	F	−93N	−84B	−87N	F	F	F	0.0	16.5	16.5	0.00	682	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Demir, KuzeyTUR
+106.8
5.5 pts · #21
2Yasar, CinarTUR
+97.2
5.5 pts · #17
3Atbas, UfukTUR
+94.8
7.5 pts · #1

Top rating losers

1Kahraman, MertTUR
-92.8
3.5 pts · #76
2Ilhan, FerhatTUR
-87.2
2.0 pts · #90
3Demirok, SezenTUR
-78.0
4.5 pts · #86

Biggest upsets

R5+185 Elo gap
Yildirim, Efe Melih1417 beat Trivella, Maria1602
R7+182 Elo gap
Gunes, Poyraz1429 beat Durmus, Ulas Utkan1611
R6+172 Elo gap
Gunes, Poyraz1429 beat Demirtas, Ali1601