74th National Greek Championship 2025
10 players participated in this 9-round tournament, held from 03 Dec 2025 to 11 Dec 2025 in Aigio, Greece. 9 titled players. Top 10 Elo average was 2435, and top seed was Stamatis Kourkoulos-Arditis (🇬🇷 GRE, GM, 2585).
Evaggelos Patrelakis (🇬🇷 GRE, IM, 2433) won with 6.0/9, ahead of Vasilios Kotronias (5.5) and Stamatis Kourkoulos-Arditis (5.5). Patrelakis shared the lead from round 8 and broke clear in the final round.
The biggest upset came in round 4: Konstantinos Tsarsitalidis (2223) beat Vasilios Kotronias (GM, 2392), a +169-point gap.
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How it unfolded
Top 10 · 9 rounds3 leader changes shaped the tournament; Patrelakis pulled away in R9. Title race converged from 3 co-leaders at R4 to 1 by R5.
IM Evaggelos Patrelakis takes the sole lead (3.5/5).
IM Evaggelos Patrelakis lost to GM Vasilios Kotronias (Black).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇬🇷IMPatrelakis, Evaggelos | 2433 | * | 0 | ½ | 1 | 0 | 1 | 1 | ½ | 1 | 1 | 6.0 | 24.00 | 39.0 | +13.2 | 2561 |
| 2 | 🇬🇷GMKotronias, Vasilios | 2392 | 1 | * | ½ | ½ | ½ | 1 | ½ | ½ | 1 | 0 | 5.5 | 25.50 | 39.5 | +16.1 | 2523 |
| 3 | 🇬🇷GMKourkoulos-Arditis, Stamatis | 2585 | ½ | ½ | * | 0 | 1 | ½ | ½ | ½ | 1 | 1 | 5.5 | 22.75 | 39.5 | -9.5 | 2501 |
| 4 | 🇬🇷GMAlexakis, Dimitris | 2544 | 0 | ½ | 1 | * | ½ | ½ | ½ | 1 | ½ | ½ | 5.0 | 21.50 | 40.0 | -8.6 | 2469 |
| 5 | 🇬🇷GMMastrovasilis, Athanasios | 2424 | 1 | ½ | 0 | ½ | * | ½ | 0 | ½ | 1 | 1 | 5.0 | 21.25 | 40.0 | +8.3 | 2484 |
| 6 | 🇬🇷IMKrallis, Christos | 2407 | 0 | 0 | ½ | ½ | ½ | * | 1 | ½ | ½ | 1 | 4.5 | 17.75 | 40.5 | +3.1 | 2440 |
| 7 | 🇬🇷GMIoannidis, Evgenios | 2479 | 0 | ½ | ½ | ½ | 1 | 0 | * | ½ | 0 | 1 | 4.0 | 17.25 | 41.0 | -10.5 | 2390 |
| 9 | 🇬🇷GMNikolaidis, Ioannis | 2457 | ½ | ½ | ½ | 0 | ½ | ½ | ½ | * | 0 | ½ | 3.5 | 16.50 | 41.5 | -12.5 | 2356 |
| 8 | 🇬🇷IMKalogridis, Antonios | 2409 | 0 | 0 | 0 | ½ | 0 | ½ | 1 | 1 | * | ½ | 3.5 | 13.50 | 41.5 | -5.9 | 2361 |
| 10 | 🇬🇷Tsarsitalidis, Konstantinos | 2223 | 0 | 1 | 0 | ½ | 0 | 0 | 0 | ½ | ½ | * | 2.5 | 11.50 | 42.5 | +12.6 | 2296 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Kotronias, VasiliosGMGRE+16.15.5 pts · #2
- 2Patrelakis, EvaggelosIMGRE+13.26.0 pts · #1
- 3Tsarsitalidis, KonstantinosGRE+12.62.5 pts · #10
- 1Nikolaidis, IoannisGMGRE-12.53.5 pts · #9
- 2Ioannidis, EvgeniosGMGRE-10.54.0 pts · #7
- 3Kourkoulos-Arditis, StamatisGMGRE-9.55.5 pts · #3
- R4+169 Elo gap
- R1+111 Elo gap