37th Heraklion Open 2025 A
Open SwissStandard
41 players participated in this 9-round tournament, held from 30 Aug 2025 to 06 Sept 2025 in Heraklion Crete, Greece. 3 titled players from 2 federations. Top 10 Elo average was 1859, and top seed was Nikolaos Sandalakis (🇬🇷 GRE, CM, 2196).
Nikolaos Sandalakis (🇬🇷 GRE, CM, 2196) won with 7.5/9, ahead of Timotheos Lirindzakis (6.5) and Konstantinos Bakalis (6.5). Sandalakis shared the lead from round 4 and broke clear in the final round.
The biggest upset came in round 5: Eleanna Theodosouli (1518) beat Gerasimos Spirou (1826), a +308-point gap.
Location
🇬🇷Heraklion Crete, Greece
Dates
30 Aug 2025 → 06 Sept 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 9 rounds
Titled players · 3
IM×1
FM×1
CM×1
Federations · 2 represented
🇬🇷Greece×38
🇦🇱Albania×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsCM Nikolaos Sandalakis led from R5; +1.0-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R5.
Co-leaders
20
8
2
4
1
1
1
2
1
R5–R9 · LEAD HELD
CM Nikolaos Sandalakis never relinquished the lead after R5; final gap +1.0 over the runner-up.
R6 · HEAD-TO-HEAD · WINNER VS 2ND
CM Nikolaos Sandalakis beat IM Timotheos Lirindzakis (White).
WIN STREAKS · 2 top finishers
CM Nikolaos Sandalakis 5 wins (R4–R9)IM Timotheos Lirindzakis 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sandalakis, NikolaosCM | 2196 | GRE | +21N | +30B | =7N | +18B | +4N | +2B | +11N | F | +3B | 7.5 | 44.5 | 47.5 | 38.75 | 2289 | +9.6 |
| 2 | Lirindzakis, TimotheosIM | 2096 | GRE | +38B | +8N | +11B | =4N | =3B | −1N | +16B | +6N | =5N | 6.5 | 48.0 | 49.0 | 32.00 | 1994 | -6.8 |
| 3 | Bakalis, Konstantinos | 1658 | GRE | +22N | +23B | =6N | +7B | =2N | =5N | +4B | +11B | −1N | 6.5 | 47.0 | 51.0 | 34.25 | 1966 | +137.6 |
| 4 | Rakitzis, Alexanter Emmanouel | 1872 | GRE | +31N | +14B | +12N | =2B | −1B | +18N | −3N | +15B | +7N | 6.5 | 45.5 | 48.0 | 30.75 | 1898 | +23.2 |
| 5 | Disha, Besim | 1917 | ALB | +17N | =18B | +8N | =6B | +12N | =3B | +7N | F | =2B | 6.0 | 47.5 | 52.0 | 32.75 | 1890 | 0.0 |
| 6 | Maris, IoannisFM | 1876 | GRE | +39B | +9N | =3B | =5N | +16B | −11N | +12B | −2B | +13N | 6.0 | 44.5 | 45.0 | 27.25 | 1804 | -9.4 |
| 7 | Terzakis, Georgios | 1717 | GRE | +28B | +13N | =1B | −3N | +26B | +8N | −5B | +18N | −4B | 5.5 | 44.5 | 47.5 | 24.75 | 1756 | +19.2 |
| 8 | Tzompanakis, Dimitrios | 1582 | GRE | +41N | −2B | −5B | +19N | +21N | −7B | +17N | +26B | =15N | 5.5 | 39.5 | 39.5 | 19.00 | 1711 | +54.8 |
| 9 | Lamprinos, Ektoras | 1554 | GRE | +20N | −6B | +25N | +24B | −11B | =31N | +10B | −12N | +18B | 5.5 | 37.5 | 40.0 | 22.75 | 1596 | +12.4 |
| 10 | Mavris, Angelos Konstantinos | 0 | GRE | −30N | =17B | +?N | −15B | +34N | +24B | −9N | +32B | +26N | 5.5 | 30.0 | 30.0 | 14.00 | 1545 | 0.0 |
| 11 | Fragiadakis, Emanouel | 1810 | GRE | +25N | +24B | −2N | +14B | +9N | +6B | −1B | −3N | F | 5.0 | 45.5 | 49.0 | 23.50 | 1821 | +3.6 |
| 12 | Lantzourakis, Nikolaos | 1588 | GRE | +19B | +27N | −4B | +13N | −5B | +14N | −6N | +9B | F | 5.0 | 43.5 | 46.5 | 23.00 | 1708 | +20.2 |
| 13 | Maragkakis, Emmanouil | 1476 | GRE | +32N | −7B | +20N | −12B | +36N | −15B | +22N | +16N | −6B | 5.0 | 37.5 | 39.5 | 18.00 | 1533 | +7.6 |
| 14 | Remediaki, Sofia Niki | 1493 | GRE | +29B | −4N | +28B | −11N | +27N | −12B | −18B | +22N | +23B | 5.0 | 35.0 | 38.0 | 17.00 | 1538 | +7.2 |
| 15 | Spirou, Gerasimos | 1826 | GRE | +33B | =26N | F | +10N | −18B | +13N | +31B | −4N | =8B | 5.0 | 35.0 | 35.0 | 19.75 | 1600 | -33.2 |
| 16 | Serlidaki, Anastasia | 1512 | GRE | −27N | +41B | +22N | +31B | −6N | +32B | −2N | −13B | +21N | 5.0 | 33.5 | 33.5 | 13.00 | 1624 | +30.4 |
| 17 | Remediakis, Ioannis | 1457 | GRE | −5B | =10N | +35B | −26N | =20B | +33N | −8B | +31N | +24B | 5.0 | 33.0 | 35.5 | 16.00 | 1549 | +12.4 |
| 18 | Theodosouli, Eleanna | 1518 | GRE | +40B | =5N | +26B | −1N | +15N | −4B | +14N | −7B | −9N | 4.5 | 44.0 | 44.0 | 16.00 | 1684 | +47.6 |
| 19 | Trelakas, Andreas | 1409 | GRE | −12N | +21B | −24N | −8B | =25N | −34B | +27N | +35B | +32N | 4.5 | 29.5 | 32.0 | 13.75 | 1363 | 0.0 |
| 20 | Kloka, Aliki | 0 | GRE | −9B | +39N | −13B | =33N | =17N | =21B | +35N | F | +31B | 4.5 | 27.5 | 27.5 | 11.25 | 1471 | 0.0 |
| 21 | Serlidakis, Konstantinos | 1468 | GRE | −1B | −19N | +40B | +29N | −8B | =20N | +34B | =23N | −16B | 4.0 | 36.5 | 36.5 | 9.75 | 1204 | -56.8 |
| 22 | Georgopoulos, Athanasios NA | 1419 | GRE | −3B | +36N | −16B | +23N | =33B | =26N | −13B | −14B | +35N | 4.0 | 33.5 | 35.5 | 11.25 | 1353 | 0.0 |
| 23 | Fasoulakis, Georgios | 1468 | GRE | +36B | −3N | F | −22B | +28N | +27B | =32N | =21B | −14N | 4.0 | 30.0 | 30.0 | 11.25 | 1345 | -33.6 |
| 24 | Kontaki, Maria | 1480 | GRE | +35B | −11N | +19B | −9N | −32B | −10N | =33B | +34N | −17N | 3.5 | 33.0 | 35.5 | 10.75 | 1385 | -28.0 |
| 25 | Kotis, Panagiotis | 1443 | GRE | −11B | +29N | −9B | −32N | =19B | −36N | −28B | +39N | +34B | 3.5 | 28.0 | 28.5 | 8.25 | 1380 | -20.8 |
| 26 | Lampaki, Emmanouela | 1483 | GRE | +34N | =15B | −18N | +17B | −7N | =22B | F | −8N | −10B | 3.0 | 37.5 | 39.5 | 12.00 | 1465 | -12.4 |
| 27 | Lampakis, Vasileios | 0 | GRE | +16B | −12B | −31N | +39N | −14B | −23N | −19B | +28N | −29B | 3.0 | 32.0 | 32.5 | 8.50 | 1388 | 0.0 |
| 28 | Charitakis, Emmanouil | 1424 | GRE | −7N | +32B | −14N | −36B | −23B | F | +25N | −27B | +33N | 3.0 | 28.0 | 28.0 | 8.50 | 1442 | +2.8 |
| 29 | Chatziagapitos, Konstantinos | 0 | GRE | −14N | −25B | +38N | −21B | −35N | −37B | F | +30B | +27N | 3.0 | 24.0 | 24.0 | 7.00 | 1385 | 0.0 |
| 30 | Bakalis, Efthymios | 1565 | GRE | +10B | −1N | +33B | F | F | F | F | −29N | +40B | 3.0 | 21.0 | 21.0 | 8.00 | 1704 | +5.0 |
| 31 | Chatzisavvas, Nikolaos | 1446 | GRE | −4B | +40N | +27B | −16N | F | =9B | −15N | −17B | −20N | 2.5 | 37.5 | 37.5 | 5.75 | 1273 | -34.4 |
| 32 | Thomopoulos, Nikolaos | 0 | GRE | −13B | −28N | F | +25B | +24N | −16N | =23B | −10N | −19B | 2.5 | 34.0 | 34.0 | 9.00 | 1359 | 0.0 |
| 33 | Bakali, Anastasia | 1443 | GRE | −15N | +34B | −30N | =20B | =22N | −17B | =24N | F | −28B | 2.5 | 30.5 | 30.5 | 8.50 | 1256 | -56.4 |
| 34 | Garefalakis, Nikitas | 0 | GRE | −26B | −33N | =39B | +35N | −10B | +19N | −21N | −24B | −25N | 2.5 | 29.0 | 29.5 | 7.25 | 1226 | 0.0 |
| 35 | FIDE 541009657 | 0 | — | −24N | =?B | −17N | −34B | +29B | +40N | −20B | −19N | −22B | 2.5 | 27.0 | 27.0 | 3.00 | 1075 | 0.0 |
| 36 | Tzermiadianos, Konstantinos M | 0 | GRE | −23N | −22B | F | +28N | −13B | +25B | F | F | F | 2.0 | 22.5 | 22.5 | 6.50 | 1376 | 0.0 |
| 37 | Kalogerakis, Mihail | 1618 | GRE | F | F | F | F | +39B | +29N | F | F | F | 2.0 | 3.5 | 3.5 | 3.50 | 2252 | +5.6 |
| 38 | Chalkiadakis, Georgios | 1464 | GRE | −2N | F | −29B | F | F | +39N | F | F | F | 1.0 | 10.0 | 10.0 | 0.50 | 1658 | +16.0 |
| 39 | Rasidakis, Dimitrios | 1454 | GRE | −6N | −20B | =34N | −27B | −37N | −38B | F | −25B | F | 0.5 | 22.5 | 22.5 | 1.25 | 794 | -54.0 |
| 40 | FIDE 42185548 | 0 | — | −18N | −31B | −21N | F | F | −35B | F | F | −30N | 0.0 | 16.5 | 16.5 | 0.00 | 702 | 0.0 |
| 41 | Gaitanis, Andreas | 1405 | GRE | −8B | −16N | F | F | F | F | F | F | F | 0.0 | 13.5 | 13.5 | 0.00 | 753 | -24.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Bakalis, KonstantinosGRE+137.66.5 pts · #3
- 2Tzompanakis, DimitriosGRE+54.85.5 pts · #7
- 3Theodosouli, EleannaGRE+47.64.5 pts · #16
Top rating losers
- 1Serlidakis, KonstantinosGRE-56.84.0 pts · #38
- 2Bakali, AnastasiaGRE-56.42.5 pts · #34
- 3Rasidakis, DimitriosGRE-54.00.5 pts · #39
Biggest upsets
- R5+308 Elo gap
- R7+214 Elo gap
- R8+152 Elo gap