S: Zupanja Celebrates Chess- 70 Years of Pride and Tradition- GM Tournament 3
10 players participated in this 9-round tournament, held from 17 Jun 2025 to 23 Jun 2025 in Zupanja, Croatia. 10 titled players from 7 federations. Top 10 Elo average was 2399, and top seed was Ruben Gideon Koellner (🇩🇪 GER, IM, 2503).
Ruben Gideon Koellner (🇩🇪 GER, IM, 2503) won with 6.5/9, ahead of Nikoloz Petriashvili (5.5) and Adelard Bai (5.5).
The biggest upset came in round 2: Bhagat Kush (FM, 2276) beat Robert Zelcic (GM, 2467), a +191-point gap.
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How it unfolded
Top 10 · 9 roundsIM Ruben Gideon Koellner led from R1 onwards, the runner-up race stayed tight.
IM Ruben Gideon Koellner never relinquished the lead after R1; final gap +1.0 over the runner-up.
IM Ruben Gideon Koellner drew with IM Adelard Bai (Black).
IM Ruben Gideon Koellner went unbeaten across 9 games (R1–R9).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇩🇪IMKoellner, Ruben Gideon | 2503 | * | ½ | ½ | ½ | ½ | 1 | 1 | ½ | 1 | 1 | 6.5 | 25.25 | 37.5 | +6.2 | 2553 |
| 3 | 🇬🇪IMPetriashvili, Nikoloz | 2468 | ½ | * | ½ | ½ | 1 | 1 | ½ | ½ | — | 1 | 5.5 | 23.25 | 38.5 | +7.4 | 2537 |
| 2 | 🇹🇼IMBai, Adelard | 2401 | ½ | ½ | * | ½ | ½ | 0 | ½ | 1 | 1 | 1 | 5.5 | 21.00 | 38.5 | +9.7 | 2479 |
| 4 | 🇮🇳GMAarav Dengla | 2366 | ½ | ½ | ½ | * | ½ | ½ | ½ | 1 | 0 | 1 | 5.0 | 20.50 | 39.0 | +19.2 | 2446 |
| 5 | 🇮🇳FMBhagat Kush | 2276 | ½ | 0 | ½ | ½ | * | 1 | ½ | ½ | ½ | 1 | 5.0 | 19.75 | 39.0 | +42.4 | 2456 |
| 6 | 🇭🇷GMZelcic, Robert | 2467 | 0 | 0 | 1 | ½ | 0 | * | ½ | ½ | 1 | 1 | 4.5 | 16.25 | 39.5 | -9.1 | 2391 |
| 7 | 🇷🇸GMDelchev, Aleksander | 2444 | 0 | ½ | ½ | ½ | ½ | ½ | * | ½ | ½ | ½ | 4.0 | 16.75 | 40.0 | -11.1 | 2351 |
| 8 | 🇷🇸GMSedlak, Nikola | 2432 | ½ | ½ | 0 | 0 | ½ | ½ | ½ | * | ½ | ½ | 3.5 | 15.00 | 40.5 | -14.3 | 2315 |
| 9 | 🇭🇷IMDjurovic, Goran | 2356 | 0 | — | 0 | 1 | ½ | 0 | ½ | ½ | * | ½ | 3.0 | 12.00 | 41.0 | -5.8 | 2309 |
| 10 | 🇸🇮FMGombac, Jan | 2277 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | ½ | ½ | * | 1.5 | 5.25 | 42.5 | -27.6 | 2140 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Bhagat KushFMIND+42.45.0 pts · #5
- 2Aarav DenglaGMIND+19.25.0 pts · #4
- 3Bai, AdelardIMTPE+9.75.5 pts · #2
- 1Gombac, JanFMSLO-27.61.5 pts · #10
- 2Sedlak, NikolaGMSRB-14.33.5 pts · #8
- 3Delchev, AleksanderGMSRB-11.14.0 pts · #7
- R2+191 Elo gap