Maltepe Erzurumlular Foundation - Istiklal Chess Sports Club Chess Tournament
19 players participated in this 6-round tournament, held from 16 Aug 2025 to 17 Aug 2025 in Istanbul, Turkey. Top 10 Elo average was 1780, and top seed was Ozdemir Efe Kul (🇹🇷 TUR, 2180).
Abdurrahman Akyuz (🇹🇷 TUR, 1556) won with 5.5/6, ahead of Berkant Uslu (4.5) and Ozdemir Efe Kul (4.0). Akyuz shared the lead from round 4 and won solo starting round 5.
The biggest upset came in round 6: Abdurrahman Akyuz (1556) beat Ozdemir Efe Kul (2180), a +624-point gap.
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How it unfolded
Top 6 · 6 roundsAbdurrahman Akyuz led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Abdurrahman Akyuz takes the sole lead (4.5/5).
Abdurrahman Akyuz beat Berkant Uslu (White).
Abdurrahman Akyuz 3 wins (R4–R6)Berkant Uslu 3 wins (R1–R3)Ahmet Orhan Gokdai 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Abdurrahman Akyuz | * | 1 | — | 1 |
| 2Berkant Uslu | 0 | * | — | 1 |
| 3Ahmet Orhan Gokdai | — | — | * | — |
| 4Ozdemir Efe Kul | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Akyuz, Abdurrahman | 1556 | TUR | +9B | +7N | =11N | +6B | +2B | +3N | 5.5 | 17.5 | 19.5 | 18.50 | 2146 | +153.6 |
| 2 | Uslu, Berkant | 1561 | TUR | +14N | +3N | +4B | =11B | −1N | +8B | 4.5 | 18.5 | 19.5 | 13.00 | 1873 | +39.2 |
| 3 | Kul, Ozdemir Efe | 2180 | TUR | +16N | −2B | +13N | +9B | +11N | −1B | 4.0 | 16.0 | 16.0 | 6.00 | 1927 | -28.6 |
| 4 | Gok, Yekta | 1607 | TUR | +17N | +15B | −2N | =7N | +10B | =6B | 4.0 | 14.5 | 14.5 | 6.75 | 1693 | +22.4 |
| 5 | Gokdai, Ahmet Orhan | 1582 | TUR | +6N | −11B | −8N | +14B | +12N | +9B | 4.0 | 13.0 | 14.0 | 9.00 | 1948 | +93.2 |
| 6 | Seratli, Ibrahim | 1705 | TUR | −5B | +18N | +17B | −1N | +16B | =4N | 3.5 | 13.5 | 13.5 | 2.00 | 1624 | -12.0 |
| 7 | Gok, Emre | 1877 | TUR | +18N | −1B | +12N | =4B | =9N | F | 3.0 | 16.0 | 16.0 | 5.25 | 1688 | -21.6 |
| 8 | Turkoglu, Mustafa Sarper | 0 | TUR | =12N | −13B | +5B | =10N | +17B | −2N | 3.0 | 14.5 | 14.5 | 6.25 | 1630 | 0.0 |
| 9 | Demirtas, Eymen | 1710 | TUR | −1N | +16B | +15N | −3N | =7B | −5N | 2.5 | 17.5 | 17.5 | 2.50 | 1647 | -25.6 |
| 10 | Kilinc, Osman | 0 | TUR | =13N | =12B | +14N | =8B | −4N | F | 2.5 | 11.5 | 11.5 | 4.25 | 1745 | 0.0 |
| 11 | Secereli, Sidar | 1664 | TUR | F | +5N | =1B | =2N | −3B | F | 2.0 | 21.0 | 21.0 | 9.00 | 1690 | +0.4 |
| 12 | Sunneli, Anil | 1630 | TUR | =8B | =10N | −7B | +17N | −5B | F | 2.0 | 12.5 | 12.5 | 2.75 | 1518 | -18.8 |
| 13 | Karacan, Arda Tuna | 1909 | TUR | =10B | +8N | −3B | F | F | F | 1.5 | 9.5 | 9.5 | 4.25 | 1380 | -6.8 |
| 14 | Topcu, Tibet Tuna | 1833 | TUR | −2B | +19N | −10B | −5N | F | F | 1.0 | 11.0 | 11.0 | 0.00 | 1483 | -26.8 |
| 15 | Parlarkilic, Engin | 1497 | TUR | +19B | −4N | −9B | F | F | F | 1.0 | 6.5 | 6.5 | 0.00 | 1541 | +3.2 |
| 16 | Karaca, Lisan Doruk | 1604 | TUR | −3B | −9N | F | F | −6N | F | 0.0 | 14.0 | 14.0 | 0.00 | 1006 | -32.0 |
| 17 | Cengiz, Berk | 1471 | TUR | −4B | F | −6N | −12B | −8N | F | 0.0 | 12.5 | 12.5 | 0.00 | 847 | -32.8 |
| 18 | Sobutay, Can Bilge | 1580 | TUR | −7B | −6B | F | F | F | F | 0.0 | 6.5 | 6.5 | 0.00 | 991 | -19.2 |
| 19 | Yuksel, Omer Faruk | 1684 | TUR | −15N | −14B | F | F | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 865 | -20.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Akyuz, AbdurrahmanTUR+153.65.5 pts · #1
- 2Gokdai, Ahmet OrhanTUR+93.24.0 pts · #2
- 3Uslu, BerkantTUR+39.24.5 pts · #5
- 1Cengiz, BerkTUR-32.80.0 pts · #17
- 2Karaca, Lisan DorukTUR-32.00.0 pts · #15
- 3Kul, Ozdemir EfeTUR-28.64.0 pts · #3
- R6+624 Elo gap
- R2+619 Elo gap
- R2+321 Elo gap