Sakarya Teachers' Day Chess Tournament
28 players participated in this 6-round tournament, held from 22 Nov 2025 to 23 Nov 2025 in Sakarya, Turkey. Top 10 Elo average was 1697, and top seed was Mert Pehlivan (🇹🇷 TUR, 1936).
Ahmet Yasin Kabas (🇹🇷 TUR, 1765) won with 5.0/6, ahead of Ege Ozcan (5.0) and Omer Efe Hazer (4.0). Kabas won on tie-break after catching the field in the final round.
The biggest upset came in round 1: Cinar Kara (1554) beat Serdar Deverenli (1734), a +180-point gap.
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How it unfolded
Top 6 · 6 roundsTight race until R3; 2 players tied at 5.0/6, decided on Buchholz.
Ege Ozcan held the sole lead from R3 through R6 without losing it.
2 players finish on 5.0/6. Kabas takes the title on Buchholz Cut1 (19.5).
Ege Ozcan drew with Ahmet Yasin Kabas (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Ege Ozcan | * | ½ | — | ½ |
| 2Ahmet Yasin Kabas | ½ | * | 1 | — |
| 3Omer Efe Hazer | — | 0 | * | 1 |
| 4Abdullah Emir Karafil | ½ | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kabas, Ahmet Yasin | 1765 | TUR | =8B | +17N | +9B | +3N | =2B | +6N | 5.0 | 19.5 | 21.5 | 17.25 | 1851 | +9.6 |
| 2 | Ozcan, Ege | 1678 | TUR | +10N | +6B | +19N | +5B | =1N | =4B | 5.0 | 19.5 | 21.5 | 17.00 | 1883 | +50.0 |
| 3 | Hazer, Omer Efe | 1615 | TUR | +22N | =5B | +4N | −1B | =7N | +15N | 4.0 | 19.0 | 20.0 | 11.50 | 1712 | +26.4 |
| 4 | Karafil, Abdullah Emir | 1584 | TUR | =26B | +21N | −3B | +22N | +13B | =2N | 4.0 | 15.0 | 15.5 | 8.75 | 1747 | +41.2 |
| 5 | Ozmen, Abdullah Murat | 1617 | TUR | +12B | =3N | +11B | −2N | +10B | −8N | 3.5 | 19.5 | 23.0 | 12.50 | 1602 | -3.6 |
| 6 | Karahisarli, Haydar Ata | 1608 | TUR | +28B | −2N | +17B | =13N | +14B | −1B | 3.5 | 18.5 | 18.5 | 6.75 | 1650 | +12.0 |
| 7 | Gokdemir, Demir | 1639 | TUR | +25B | =9N | =8B | =10N | =3B | =11N | 3.5 | 18.0 | 19.0 | 10.00 | 1643 | +1.2 |
| 8 | Olcer, Ozcan | 1599 | TUR | =1N | +18B | =7N | F | =15B | +5B | 3.5 | 17.0 | 19.0 | 11.25 | 1806 | +28.2 |
| 9 | Kara, Cinar | 1554 | TUR | +14N | =7B | −1N | +20B | =11N | =18B | 3.5 | 17.0 | 19.0 | 9.50 | 1731 | +58.8 |
| 10 | Kara, Umut Nadir | 0 | TUR | −2B | +28N | +14N | =7B | −5N | +17B | 3.5 | 17.0 | 17.0 | 6.75 | 1615 | 0.0 |
| 11 | Yigitaslan, Kaan | 1620 | TUR | +27N | +24B | −5N | =15N | =9B | =7B | 3.5 | 14.5 | 14.5 | 6.00 | 1585 | -9.6 |
| 12 | Ulgez, Selin | 1499 | TUR | −5N | −14B | +18N | +23B | =21N | +16B | 3.5 | 12.5 | 13.5 | 6.25 | 1645 | +47.2 |
| 13 | Celik, Zeynep Duru | 1666 | TUR | −24N | +27B | +16N | =6B | −4N | +21B | 3.5 | 12.5 | 12.5 | 5.75 | 1544 | -32.4 |
| 14 | Deverenli, Serdar | 1734 | TUR | −9B | +12N | −10B | +25N | −6N | +22B | 3.0 | 15.0 | 16.0 | 5.50 | 1532 | -40.8 |
| 15 | Alim, Mehmet Emir | 1596 | TUR | −16N | +23B | +24N | =11B | =8N | −3B | 3.0 | 14.5 | 15.5 | 5.50 | 1564 | -8.6 |
| 16 | Dogan, Yigit | 1528 | TUR | +15B | −19N | −13B | +17N | =22B | −12N | 2.5 | 14.0 | 15.0 | 5.50 | 1408 | -24.0 |
| 17 | Yildiz, Poyraz | 0 | TUR | +20N | −1B | −6N | −16B | +25B | −10N | 2.0 | 16.5 | 17.5 | 3.00 | 1525 | 0.0 |
| 18 | Cimsit, Muhammet Taha | 1669 | TUR | =21B | −8N | −12B | F | +20N | =9N | 2.0 | 14.0 | 14.0 | 4.50 | 1477 | -52.0 |
| 19 | Duman, Coskun | 1644 | TUR | +23N | +16B | −2B | F | F | F | 2.0 | 12.0 | 12.0 | 3.50 | 1693 | +8.0 |
| 20 | Yayla, Tuncay | 1616 | TUR | −17B | +25N | =22B | −9N | −18B | =23N | 2.0 | 9.5 | 10.5 | 2.00 | 1460 | -35.2 |
| 21 | Eker, Mehlika Sevval | 1479 | TUR | =18N | −4B | =23N | F | =12B | −13N | 1.5 | 14.0 | 15.0 | 3.25 | 1434 | -12.4 |
| 22 | Tumer, Ahmet Berat | 0 | TUR | −3B | F | =20N | −4B | =16N | −14N | 1.0 | 15.5 | 15.5 | 2.25 | 1375 | 0.0 |
| 23 | Gokcen, Aleyna | 1477 | TUR | −19B | −15N | =21B | −12N | F | =20B | 1.0 | 12.0 | 12.0 | 1.75 | 1327 | -42.0 |
| 24 | Bayraktar, Ata | 1521 | TUR | +13B | −11N | −15B | F | F | F | 1.0 | 11.5 | 11.5 | 3.50 | 1502 | -2.8 |
| 25 | Ellibesoglu, Mustafa | 1469 | TUR | −7N | −20B | +28N | −14B | −17N | F | 1.0 | 10.5 | 10.5 | 0.00 | 1407 | -13.2 |
| 26 | Pehlivan, Mert | 1936 | TUR | =4N | F | F | F | F | F | 0.5 | 4.0 | 4.0 | 2.00 | 1584 | -15.6 |
| 27 | Acu, Alper TUgrul | 0 | TUR | −11B | −13N | F | F | F | F | 0.0 | 9.0 | 9.0 | 0.00 | 843 | 0.0 |
| 28 | Cimsit, Kayra | 1411 | TUR | −6N | −10B | −25B | F | F | F | 0.0 | 8.0 | 8.0 | 0.00 | 738 | -26.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Kara, CinarTUR+58.83.5 pts · #4
- 2Ozcan, EgeTUR+50.05.0 pts · #1
- 3Ulgez, SelinTUR+47.23.5 pts · #3
- 1Cimsit, Muhammet TahaTUR-52.02.0 pts · #16
- 2Gokcen, AleynaTUR-42.01.0 pts · #21
- 3Deverenli, SerdarTUR-40.83.0 pts · #15
- R1+180 Elo gap
- R3+170 Elo gap
- R1+145 Elo gap