Tavas October 29 Republic Day Chess Tournament
15 players participated in this 5-round tournament, held from 01 Nov 2025 to 02 Nov 2025 in Denizli, Turkey. Top 10 Elo average was 1711, and top seed was Aydin Emre Ceviz (🇹🇷 TUR, 1962).
Mustafa Kerem Ergun (🇹🇷 TUR, 1582) won with 4.0/5, ahead of Ozan Oz (4.0) and Ahmet Kerem Kocayigit (3.5). Ergun won on tie-break after catching the field in the final round.
The biggest upset came in round 2: Halil Tuna Ocal (1486) beat Ahmet Guclu (1808), a +322-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.0/5, decided on Buchholz. Title race narrowed from 5 co-leaders at R4 to 2 at the finish.
2 players finish on 4.0/5. Ergun takes the title on Buchholz Cut1 (12.0).
Mustafa Kerem Ergun beat Ozan Oz (White).
Mustafa Kerem Ergun 3 wins (R3–R5)Ozan Oz 4 wins (R2–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Mustafa Kerem Ergun | * | 1 | — | 0 |
| 2Ozan Oz | 0 | * | — | — |
| 3Alaz Kocak | — | — | * | ½ |
| 4Ahmet Kerem Kocayigit | 1 | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ergun, Mustafa Kerem | 1582 | TUR | +2B | −3N | +12B | +10N | +9B | 4.0 | 12.0 | 13.0 | 9.50 | 1907 | +80.0 |
| 2 | Oz, Ozan | 1894 | TUR | −1N | +15B | +13N | +11B | +5N | 4.0 | 9.0 | 9.0 | 5.00 | 1836 | -1.8 |
| 3 | Kocayigit, Ahmet Kerem | 1748 | TUR | +15N | +1B | =9N | =5B | =4N | 3.5 | 13.0 | 13.0 | 8.50 | 1840 | +18.4 |
| 4 | Kocak, Alaz | 1695 | TUR | +11N | =5B | =6N | +9B | =3B | 3.5 | 12.0 | 13.5 | 8.75 | 1903 | +54.8 |
| 5 | Ceviz, Aydin Emre | 1962 | TUR | +7B | =4N | +10B | =3N | −2B | 3.0 | 14.0 | 16.0 | 8.50 | 1773 | -20.0 |
| 6 | Guclu, Ahmet | 1808 | TUR | +8B | −10N | =4B | =7N | +15B | 3.0 | 11.5 | 11.5 | 6.25 | 1588 | -43.2 |
| 7 | Contuk, Ahmet Eray | 1604 | TUR | −5N | =11B | +14N | =6B | +10N | 3.0 | 9.5 | 10.0 | 4.75 | 1692 | +14.8 |
| 8 | Kandemir, Mehmet Guvenc | 1564 | TUR | −6N | +14B | −11N | +13B | +12N | 3.0 | 6.0 | 6.5 | 2.00 | 1575 | +0.8 |
| 9 | Kiran, Seyit Kaan | 1739 | TUR | +13B | +12N | =3B | −4N | −1N | 2.5 | 12.0 | 12.5 | 3.25 | 1602 | -17.4 |
| 10 | Ocal, Halil Tuna | 1486 | TUR | +14N | +6B | −5N | −1B | −7B | 2.0 | 13.0 | 13.5 | 3.50 | 1528 | +3.2 |
| 11 | Gurbuz, Bugra | 1501 | TUR | −4B | =7N | +8B | −2N | F | 1.5 | 13.5 | 13.5 | 4.50 | 1602 | +14.4 |
| 12 | Arslan, Nil Hilal | 1464 | TUR | F | −9B | −1N | +15N | −8B | 1.0 | 9.5 | 9.5 | 0.00 | 829 | -35.2 |
| 13 | Aynaoglu, Mete | 1515 | TUR | −9N | F | −2B | −8N | =14B | 0.5 | 10.0 | 10.0 | 0.25 | 933 | -29.6 |
| 14 | Manisali, Suleyman Ozan | 0 | TUR | −10B | −8N | −7B | F | =13N | 0.5 | 8.5 | 8.5 | 0.25 | 1221 | 0.0 |
| 15 | FIDE 6345514 | 0 | — | −3B | −2N | F | −12B | −6N | 0.0 | 11.5 | 11.5 | 0.00 | 929 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Ergun, Mustafa KeremTUR+80.04.0 pts · #1
- 2Kocak, AlazTUR+54.83.5 pts · #2
- 3Kocayigit, Ahmet KeremTUR+18.43.5 pts · #6
- 1Guclu, AhmetTUR-43.23.0 pts · #8
- 2Arslan, Nil HilalTUR-35.21.0 pts · #15
- 3Aynaoglu, MeteTUR-29.60.5 pts · #14
- R2+322 Elo gap
- R1+312 Elo gap
- R5+157 Elo gap