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 1: Mete Aynaoglu (1444) beat Marziye Nur Tahtali (1616), 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
Federations · 1 represented
🇹🇷Turkiye×39
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsMehmet 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
18
8
4
2
1
1
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+133.65.5 pts · #1
- 2Mersin, SencerTUR+50.03.5 pts · #9
- 3Kirpikli, Ismail MeteTUR+47.24.5 pts · #4
Top rating losers
- 1Tahtali, Marziye NurTUR-66.82.5 pts · #27
- 2Oznohutcu, ErenTUR-66.00.5 pts · #34
- 3Pehlivan, OykuTUR-59.22.5 pts · #16
Biggest upsets
- R1+172 Elo gap
- R5+172 Elo gap
- R4+165 Elo gap