June 18 Coast Guard Day Chess Tournament
Open SwissStandard
27 players participated in this 6-round tournament, held from 05 Jul 2025 to 06 Jul 2025 in Mugla, Turkey. Top 10 Elo average was 1626, and top seed was Kerem Aktas (🇹🇷 TUR, 1794).
Kerem Aktas (🇹🇷 TUR, 1794) won with 5.5/6, ahead of Ahmet Guclu (4.5) and Yigit Kalender (4.5). Aktas won solo starting round 4.
The biggest upset came in round 5: Gorkem Yagiz Yildiz (1429) beat Yigit Kamisli (1657), a +228-point gap.
Location
🇹🇷Mugla, Turkey
Dates
05 Jul 2025 → 06 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇹🇷Turkiye×26
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsKerem Aktas led from R4; +1.0-point edge over the runner-up.
Co-leaders
7
4
2
1
1
1
R4–R6 · LEAD HELD
Kerem Aktas never relinquished the lead after R4; final gap +1.0 over the runner-up.
R6 · HEAD-TO-HEAD · WINNER VS 2ND
Kerem Aktas drew with Ahmet Guclu (White).
R1–R5 · WIN STREAK
Kerem Aktas won 5 in a row (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Kerem Aktas | * | ½ | — | — |
| 2Ahmet Guclu | ½ | * | 1 | — |
| 3Yigit Kalender | — | 0 | * | — |
| 4Mustafa Tokmak | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Aktas, Kerem | 1794 | TUR | +4B | +10N | +15B | +9N | +14N | =2B | 5.5 | 17.0 | 19.5 | 17.25 | 2434 | +17.4 |
| 2 | Guclu, Ahmet | 0 | TUR | +26B | +12N | −9B | +3N | +10B | =1N | 4.5 | 19.0 | 19.0 | 13.25 | 1683 | 0.0 |
| 3 | Kalender, Yigit | 1669 | TUR | =22N | +16B | +7N | −2B | +9N | +6B | 4.5 | 17.0 | 18.5 | 13.25 | 1870 | +15.8 |
| 4 | Akpinar, Isa Asil | 0 | TUR | −1N | +27B | +20N | =6B | =5N | +9B | 4.0 | 18.0 | 18.0 | 8.75 | 1562 | 0.0 |
| 5 | Tokmak, Mustafa | 1419 | TUR | =19N | +17B | =6N | =7B | =4B | +10N | 4.0 | 16.5 | 18.5 | 12.00 | 1668 | +63.1 |
| 6 | Yildiz, Gorkem Yagiz | 1429 | TUR | =23B | +25N | =5B | =4N | +11B | −3N | 3.5 | 16.5 | 17.0 | 8.00 | 1547 | +24.0 |
| 7 | Yildiz, Arda | 1577 | TUR | =25B | +23N | −3B | =5N | +13B | =11N | 3.5 | 15.5 | 16.0 | 7.75 | 1547 | -6.0 |
| 8 | Kucuk, Omer Faruk | 1462 | TUR | −15B | +24N | =11B | =13N | +12B | =14N | 3.5 | 14.0 | 15.0 | 8.25 | 1702 | +50.0 |
| 9 | Kaya, Muhammet | 1644 | TUR | +21B | +14N | +2N | −1B | −3B | −4N | 3.0 | 21.0 | 23.0 | 9.00 | 933 | -15.2 |
| 10 | Gulen, Serkan | 1589 | TUR | +27N | −1B | +21N | +18B | −2N | −5B | 3.0 | 18.0 | 18.0 | 4.00 | 1421 | -13.6 |
| 11 | Kamisli, Yigit | 1657 | TUR | =16N | =22B | =8N | +17B | −6N | =7B | 3.0 | 15.5 | 17.0 | 8.00 | 1480 | -22.8 |
| 12 | Savas, Ulas Roni | 1567 | TUR | +20N | −2B | −18N | +16B | −8N | +23B | 3.0 | 14.5 | 15.5 | 5.50 | 1439 | -27.6 |
| 13 | Yesil, Uras | 0 | TUR | =17N | =19B | =22N | =8B | −7N | +18B | 3.0 | 13.5 | 15.0 | 6.75 | 1492 | 0.0 |
| 14 | Ayturan, Dora | 0 | TUR | F | −9B | +19N | +15N | −1B | =8B | 2.5 | 16.5 | 16.5 | 6.25 | 1625 | 0.0 |
| 15 | Koyuncu, Hakan | 1668 | TUR | +8N | +18B | −1N | −14B | −21N | =20N | 2.5 | 15.5 | 17.5 | 6.50 | 1622 | -7.6 |
| 16 | Tugay, Dogan | 0 | TUR | =11B | −3N | +25B | −12N | +20B | −17N | 2.5 | 15.0 | 15.5 | 4.00 | 1404 | 0.0 |
| 17 | Izci, Kadir | 1444 | TUR | =13B | −5N | +23B | −11N | F | +16B | 2.5 | 13.5 | 14.0 | 5.00 | 1380 | -5.4 |
| 18 | Derebasi, Ege | 1425 | TUR | +24B | −15N | +12B | −10N | −19B | −13N | 2.0 | 13.5 | 14.5 | 4.00 | 1511 | +21.6 |
| 19 | Sengul, Ruzgar Cem | 1558 | TUR | =5B | =13N | −14B | F | +18N | −21B | 2.0 | 13.5 | 13.5 | 5.50 | 1615 | +5.2 |
| 20 | Keskin, Tugrul Ege | 1429 | TUR | −12B | +26N | −4B | =23N | −16N | =15B | 2.0 | 13.0 | 13.0 | 1.75 | 1536 | +22.8 |
| 21 | Kuvvetli, Ozkan | 0 | TUR | −9N | F | −10B | F | +15B | +19N | 2.0 | 11.5 | 11.5 | 4.50 | 1615 | 0.0 |
| 22 | Aslan, Emir | 1488 | TUR | =3B | =11N | =13B | F | F | F | 1.5 | 10.5 | 10.5 | 5.25 | 1664 | +18.4 |
| 23 | Ozkan, Ada | 1440 | TUR | =6N | −7B | −17N | =20B | F | −12N | 1.0 | 14.5 | 14.5 | 2.75 | 1248 | -47.2 |
| 24 | Yagrincali, Mehmet | 1536 | TUR | −18N | −8B | +27N | F | F | F | 1.0 | 7.5 | 7.5 | 0.00 | 644 | -50.0 |
| 25 | Sen, Alper Eymen | 0 | TUR | =7N | −6B | −16N | F | F | F | 0.5 | 12.0 | 12.0 | 1.75 | 1310 | 0.0 |
| 26 | Erensayin, Mehmet | 1471 | TUR | −2N | −20B | F | F | F | F | 0.0 | 8.5 | 8.5 | 0.00 | 627 | -22.4 |
| 27 | FIDE 525034227 | 0 | — | −10B | −4N | −24B | F | F | F | 0.0 | 8.0 | 8.0 | 0.00 | 763 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Tokmak, MustafaTUR+63.14.0 pts · #3
- 2Kucuk, Omer FarukTUR+50.03.5 pts · #9
- 3Yildiz, Gorkem YagizTUR+24.03.5 pts · #11
Top rating losers
- 1Yagrincali, MehmetTUR-50.01.0 pts · #26
- 2Ozkan, AdaTUR-47.21.0 pts · #20
- 3Savas, Ulas RoniTUR-27.63.0 pts · #12
Biggest upsets
- R5+228 Elo gap
- R6+170 Elo gap
- R3+142 Elo gap