World White Cane Day Cup National Chess Tournament - B

Open SwissStandard

40 players participated in this 6-round tournament, held from 17 Oct 2025 to 19 Oct 2025 in Izmir, Turkey. Top 10 Elo average was 1662, and top seed was Utkucan Cimen (🇹🇷 TUR, 1693).

Mehmet Bartu Sahin (🇹🇷 TUR, 1521) won with 5.5/6, ahead of Utkucan Cimen (5.0) and Kerem Yavuz (4.5). Sahin shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 5: Mehmet Bartu Sahin (1521) beat Utkucan Cimen (1693), a +172-point gap.

Location

🇹🇷Izmir, Turkey

Dates

17 Oct 2025 → 19 Oct 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇹🇷Utkucan Cimen1693

Avg top 10

1,662

Participants

Federations · 1 represented

🇹🇷Turkiye×39

Top 3

🥇
Mehmet Bartu Sahin
🇹🇷TUR·1521
5.5pts·2027perf+133.6
🥈
Utkucan Cimen
🇹🇷TUR·1693
5.0pts·1861perf+22.8
🥉
Kerem Yavuz
🇹🇷TUR·1686
4.5pts·1803perf+35.2

How it unfolded

Top 6 · 6 rounds

Mehmet Bartu Sahin led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

Sahin5.5Cimen5Asri4.5Kirpikli4.5Yavuz4.5Ulupinar4

R5–R6 · LEAD HELD

Mehmet Bartu Sahin held the sole lead from R5 through R6 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Mehmet Bartu Sahin beat Utkucan Cimen (Black).

WIN STREAKS · 2 top finishers

Mehmet Bartu Sahin 5 wins (R1–R5)Utkucan Cimen 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Mehmet Bartu Sahin	*	1	½	—
2Utkucan Cimen	0	*	—	1
3Mehmet Berat Asri	½	—	*	—
4Ismail Mete Kirpikli	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Sahin, Mehmet Bartu	1521	TUR	+21N	+14B	+10B	+3N	+2N	=4B	5.5	20.5	23.0	20.75	2027	+133.6
2	Cimen, Utkucan	1693	TUR	+26B	+17N	+5B	+6N	−1B	+13N	5.0	20.5	23.0	17.50	1861	+22.8
3	Yavuz, Kerem	1686	TUR	+36N	+7B	+8N	−1B	=4N	+12B	4.5	21.5	22.0	14.25	1803	+35.2
4	Asri, Mehmet Berat	1682	TUR	+33B	=11N	+22B	+10N	=3B	=1N	4.5	19.5	20.5	13.75	1783	+32.4
5	Kirpikli, Ismail Mete	1638	TUR	+18N	+20B	−2N	+19B	=12N	+11B	4.5	18.0	20.5	13.75	1790	+47.2
6	Ulupinar, Semih	1657	TUR	+16B	+12N	+30B	−2B	=11N	=7N	4.0	19.0	21.0	12.25	1724	+21.2
7	Kargi, Batuhan	1611	TUR	+32B	−3N	+25B	+8B	=13N	=6B	4.0	18.5	19.5	11.25	1676	+8.8
8	Kaya, Huseyin Talha	1650	TUR	+25B	+40N	−3B	−7N	+16B	+14N	4.0	17.0	17.0	8.50	1713	+19.6
9	Tulek, Mehmet Orhun	1605	TUR	+37B	−10N	=23B	+31N	=14B	+15N	4.0	13.5	13.5	7.25	1633	+8.4
10	Unsal, Hidayet Efe	1679	TUR	+19N	+9B	−1N	−4B	=20N	+27B	3.5	19.5	22.0	10.75	1634	-12.4
11	Uymaz, Suleyman	1615	TUR	+34N	=4B	=13N	+20B	=6B	−5N	3.5	19.0	20.0	9.50	1611	-0.6
12	Sogur, Mutlu	1609	TUR	+38N	−6B	+21N	+24B	=5B	−3N	3.5	18.0	18.0	7.25	1624	+4.8
13	Mersin, Sencer	1517	TUR	=23B	+39N	=11B	+30N	=7B	−2B	3.5	17.0	17.0	7.00	1652	+50.0
14	Aghamaliyev, Banu	1526	TUR	+15B	−1N	+17B	=22N	=9N	−8B	3.0	19.5	22.0	9.25	1580	+18.0
15	Demirel, Huseyin	1642	TUR	−14N	+18B	−20N	+23N	+25B	−9B	3.0	15.0	17.5	8.00	1543	-16.2
16	Aydin, Cevik	1583	TUR	−6N	+35B	−24N	+21B	−8N	+30B	3.0	15.0	16.0	5.50	1561	-7.6
17	Tokan, Melih	1617	TUR	+31B	−2B	−14N	+32N	+30B	F	3.0	14.5	15.5	4.50	1537	-8.4
18	Tuzlutas, Doruk Efe	1510	TUR	−5B	−15N	+37B	+33N	+24N	F	3.0	14.0	14.0	3.50	1631	+26.0
19	Merakli, Gorkem	1580	TUR	−10B	+37N	+32B	−5N	+22B	F	3.0	14.0	14.0	3.50	1462	-18.4
20	Eroglu, Oguzalp	1579	TUR	+39B	−5N	+15B	−11N	=10B	F	2.5	17.5	17.5	4.75	1645	+18.0
21	Marmara, Okan	1496	TUR	−1B	+29N	−12B	−16N	+32B	=25N	2.5	17.0	18.0	4.75	1422	-19.2
22	Aynaoglu, Mete	1444	TUR	+29B	=23N	−4N	=14B	−19N	=24B	2.5	15.5	18.0	6.50	1536	+26.8
23	Ocal, Halil Tuna	1514	TUR	=13N	=22B	=9N	−15B	−26B	+32N	2.5	15.5	16.5	6.00	1408	-29.2
24	Pehlivan, Oyku	1644	TUR	+27B	−30N	+16B	−12N	−18B	=22N	2.5	14.5	16.5	6.75	1464	-59.2
25	Kilic, Umut	1525	TUR	−8N	+38B	−7N	+34B	−15N	=21B	2.5	14.5	14.5	2.25	1278	-43.6
26	Kocaman, Ahmet Eymen	1596	TUR	−2N	=31B	+34N	−28B	+23N	F	2.5	12.5	12.5	4.25	1482	-24.4
27	Erbil, Uzay	1497	TUR	−24N	=28B	−31N	+35B	+36N	−10N	2.5	11.0	11.5	2.75	1512	+1.2
28	Arslan, Mustafa Oguz	1619	TUR	−30B	=27N	+29B	+26N	F	F	2.5	9.5	9.5	6.25	1643	+2.2
29	Tahtali, Marziye Nur	1616	TUR	−22N	−21B	−28N	+37B	=35N	+36B	2.5	9.0	9.0	1.00	1368	-66.8
30	Altay, Ahmet Burak	1480	TUR	+28N	+24B	−6N	−13B	−17N	−16N	2.0	16.0	18.5	5.00	1479	-0.2
31	Derebasi, Ege	1447	TUR	−17N	=26N	+27B	−9B	F	F	1.5	13.0	13.0	3.75	1492	+8.0
32	Kucukalioglu, Kaan	0	TUR	−7N	+36B	−19N	−17B	−21N	−23B	1.0	15.0	15.5	0.50	1295	0.0
33	Topacoglu, Derin	1588	TUR	−4N	−34B	+38N	−18B	F	F	1.0	10.0	10.0	0.00	794	-40.4
34	Ay, Alphan Kerem	0	TUR	−11B	+33N	−26B	−25N	F	F	1.0	9.5	9.5	1.00	1389	0.0
35	Sonmez, Yunus	1439	TUR	F	−16N	=36B	−27N	=29B	F	1.0	8.5	8.5	1.50	1380	-5.6
36	Oznohutcu, Eren	1590	TUR	−3B	−32N	=35N	F	−27B	−29N	0.5	11.5	11.5	0.50	1239	-66.0
37	Aslan, Furkan Alp	0	TUR	−9N	−19B	−18N	−29N	F	F	0.0	13.5	13.5	0.00	777	0.0
38	FIDE 51634635	0	—	−12B	−25N	−33B	F	F	F	0.0	7.5	7.5	0.00	776	0.0
39	Ayhan, Resul	1652	TUR	−20N	−13B	F	F	F	F	0.0	6.0	6.0	0.00	740	-52.0
40	Ballioglu, Poyraz	1592	TUR	F	−8B	F	F	F	F	0.0	4.0	4.0	0.00	850	-16.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Sahin, Mehmet BartuTUR
+133.6
5.5 pts · #1
2Mersin, SencerTUR
+50.0
3.5 pts · #9
3Kirpikli, Ismail MeteTUR
+47.2
4.5 pts · #4

Top rating losers

1Tahtali, Marziye NurTUR
-66.8
2.5 pts · #27
2Oznohutcu, ErenTUR
-66.0
0.5 pts · #34
3Pehlivan, OykuTUR
-59.2
2.5 pts · #16

Biggest upsets

R5+172 Elo gap
Sahin, Mehmet Bartu1521 beat Cimen, Utkucan1693
R1+172 Elo gap
Aynaoglu, Mete1444 beat Tahtali, Marziye Nur1616
R4+165 Elo gap
Sahin, Mehmet Bartu1521 beat Yavuz, Kerem1686