5th Open by SO Chalandriou
Open SwissStandard
44 players participated in this 7-round tournament, held from 21 Sept 2025 to 09 Nov 2025 in Chalandri, Greece. Top 10 Elo average was 1851, and top seed was Spyridon Ilandzis (🇬🇷 GRE, 1974).
Anastasios Antoniadis (🇬🇷 GRE, 1943) won with 5.5/7, ahead of Ioannis Fotoglou (5.5) and Spyridon Ilandzis (5.5). Antoniadis shared the lead from round 1, winning on tie-break.
The biggest upset came in round 6: Aristeidis Samaras (1510) beat Antonios Hadzopoulos (1878), a +368-point gap.
Location
🇬🇷Chalandri, Greece
Dates
21 Sept 2025 → 09 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇬🇷Greece×42
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R7; 3 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 3 at the finish.
Co-leaders
18
6
3
4
1
3
3
R7 · TIEBREAK CLUSTER
3 players finish on 5.5/7. Antoniadis takes the title on Buchholz Cut1 (29.0).
R7 · HEAD-TO-HEAD · WINNER VS 2ND
Spyridon Ilandzis drew with Anastasios Antoniadis (Black).
WIN STREAKS · 3 top finishers
Spyridon Ilandzis 3 wins (R1–R3)Anastasios Antoniadis 3 wins (R1–R3)Ioannis Fotoglou 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Spyridon Ilandzis | * | ½ | ½ | — |
| 2Anastasios Antoniadis | ½ | * | ½ | — |
| 3Ioannis Fotoglou | ½ | ½ | * | 1 |
| 4Themistoklis Kantas | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Antoniadis, Anastasios | 1943 | GRE | +10B | +11N | +8B | =2N | +6B | =4N | =3B | 5.5 | 29.0 | 33.0 | 25.00 | 1947 | +3.6 |
| 2 | Fotoglou, Ioannis | 1697 | GRE | +24N | +33B | +32N | =1B | =3B | +5N | =4B | 5.5 | 25.0 | 26.5 | 18.50 | 1958 | +40.2 |
| 3 | Ilandzis, Spyridon | 1974 | GRE | +20N | +18B | +31N | =15B | =2N | +13B | =1N | 5.5 | 24.0 | 26.0 | 18.75 | 1965 | +2.2 |
| 4 | Palaiologou, Apostolos | 1909 | GRE | F | +5B | +21N | +7B | +18N | =1B | =2N | 5.0 | 26.5 | 26.5 | 21.00 | 1962 | +14.8 |
| 5 | Kantas, Themistoklis | 0 | GRE | +16B | −4N | +22N | +12B | +7N | −2B | +18N | 5.0 | 25.5 | 28.5 | 18.00 | 1710 | 0.0 |
| 6 | Gavriilidis, Loukas | 0 | GRE | +25N | =7B | +14N | +8B | −1N | −15N | +21B | 4.5 | 24.5 | 27.0 | 15.75 | 1827 | +68.4 |
| 7 | Nikitakis, Ioannis | 1741 | GRE | +19B | =6N | +28B | −4N | −5B | +20N | +16B | 4.5 | 24.0 | 26.5 | 14.25 | 1817 | +20.4 |
| 8 | Vlasopoulos, Georgios | 1780 | GRE | +35N | +13B | −1N | −6N | =27B | +42B | +14N | 4.5 | 20.5 | 20.5 | 9.25 | 1808 | +6.2 |
| 9 | Pantazopoulos, Vasileios | 1579 | GRE | +39N | =32B | −23N | +25B | =29B | +11N | =13N | 4.5 | 16.5 | 17.5 | 11.00 | 1688 | +33.2 |
| 10 | Kiourkos, Sokratis | 1498 | GRE | −1N | +38B | +24N | =14B | =21N | F | +26B | 4.0 | 19.0 | 20.0 | 9.25 | 1652 | +14.0 |
| 11 | Tournas, Ioannis | 1621 | GRE | +38N | −1B | +36N | −13B | +40N | −9B | +19N | 4.0 | 18.5 | 19.5 | 6.00 | 1590 | -12.8 |
| 12 | Michas, Iasonas | 1580 | GRE | +43B | −15N | +40B | −5N | +26B | −23N | +29B | 4.0 | 17.0 | 17.0 | 5.50 | 1675 | +17.6 |
| 13 | Stavropoulos, Kriton Michail | 1567 | GRE | +42B | −8N | +35B | +11N | F | −3N | =9B | 3.5 | 22.5 | 22.5 | 7.25 | 1703 | +20.8 |
| 14 | Rekkas, Dimitrios | 1698 | GRE | =29B | +26N | −6B | =10N | +20B | =21N | −8B | 3.5 | 21.5 | 23.5 | 10.00 | 1559 | -35.2 |
| 15 | Routsi, Efthimios-Alexandros | 1891 | GRE | +22N | +12B | F | =3N | F | +6B | F | 3.5 | 17.0 | 17.0 | 14.25 | 1955 | +6.4 |
| 16 | Samaras, Aristeidis | 1510 | GRE | −5N | −24B | +37N | =33B | +36N | +32B | −7N | 3.5 | 16.0 | 17.0 | 4.25 | 1596 | +24.4 |
| 17 | Stavropoulos, Odysseas P | 1482 | GRE | −32N | +39B | F | =24B | −22N | +33N | +42B | 3.5 | 12.5 | 12.5 | 3.75 | 1544 | +6.8 |
| 18 | Najjari Omidkhah, Soroush | 1646 | GRE | +30B | −3N | F | +27N | −4B | +29N | −5B | 3.0 | 23.5 | 25.5 | 6.50 | 1715 | +11.2 |
| 19 | Travlos, Markos | 1464 | GRE | −7N | +20B | =25N | −22B | +24N | =28B | −11B | 3.0 | 19.5 | 22.0 | 8.00 | 1487 | +8.8 |
| 20 | Eleftheriou, Iasonas | 1507 | GRE | −3B | −19N | +30B | +35N | −14N | −7B | +37N | 3.0 | 19.5 | 20.5 | 4.00 | 1415 | -26.4 |
| 21 | Chalaris, Iason | 1585 | GRE | F | +41N | −4B | +42N | =10B | =14B | −6N | 3.0 | 18.0 | 18.0 | 4.75 | 1641 | +4.6 |
| 22 | Tsigkogiannis, Panagiotis | 1493 | GRE | −15B | +30N | −5B | +19N | +17B | F | F | 3.0 | 17.0 | 17.0 | 8.50 | 1742 | +34.8 |
| 23 | Theodoulidis, Vasilios | 1865 | GRE | +36N | F | +9B | F | F | +12B | F | 3.0 | 13.0 | 13.0 | 9.50 | 2345 | +8.0 |
| 24 | Vavakis, Filippos | 1428 | GRE | −2B | +16N | −10B | =17N | −19B | +30N | F | 2.5 | 21.5 | 23.0 | 7.25 | 1379 | -14.0 |
| 25 | Melegkos, Konstantinos | 1513 | GRE | −6B | +29N | =19B | −9N | +39B | F | F | 2.5 | 15.0 | 15.0 | 4.50 | 1487 | +8.4 |
| 26 | Angelopoulos, Georgios I | 0 | GRE | F | −14B | =34N | +36B | −12N | +35B | −10N | 2.5 | 15.0 | 15.0 | 2.75 | 1473 | 0.0 |
| 27 | Rompanos, Alexandros | 1566 | GRE | +37N | −31B | +33N | −18B | =8N | F | F | 2.5 | 12.0 | 12.0 | 4.75 | 1589 | +4.8 |
| 28 | Triantafyllaki, Sofia | 1558 | GRE | F | +34B | −7N | F | +38B | =19N | F | 2.5 | 12.0 | 12.0 | 4.00 | 1405 | -13.2 |
| 29 | Stavropoulos, Simeon | 1437 | GRE | =14N | −25B | +41B | F | =9N | −18B | −12N | 2.0 | 20.0 | 21.0 | 5.00 | 1346 | -9.4 |
| 30 | Kazantzoglou, Aristotelis | 0 | GRE | −18N | −22B | −20N | +37B | +34N | −24B | −35N | 2.0 | 14.0 | 15.0 | 2.50 | 711 | 0.0 |
| 31 | Vuka, Alboreno | 1821 | GRE | +40B | +27N | −3B | F | F | F | F | 2.0 | 13.0 | 13.0 | 3.50 | 1806 | +0.2 |
| 32 | Hadzopoulos, Antonios | 1878 | GRE | +17B | =9N | −2B | F | F | −16N | F | 1.5 | 19.5 | 19.5 | 5.75 | 1479 | -38.4 |
| 33 | Ntovas, Dimitrios | 1454 | GRE | +44B | −2N | −27B | =16N | F | −17B | F | 1.5 | 15.0 | 15.0 | 1.75 | 1440 | -3.0 |
| 34 | Syngounis, Filippos | 0 | GRE | F | −28N | =26B | −38N | −30B | +43B | F | 1.5 | 9.0 | 9.0 | 1.25 | 731 | 0.0 |
| 35 | Kampili, Konstantina | 1474 | GRE | −8B | F | −13N | −20B | F | −26N | +30B | 1.0 | 15.5 | 15.5 | 2.00 | 817 | -19.4 |
| 36 | Pallis, Sotirios | 1480 | GRE | −23B | +43N | −11B | −26N | −16B | F | F | 1.0 | 15.5 | 15.5 | 0.00 | 856 | -36.0 |
| 37 | Livanopoulou, Athina | 0 | GRE | −27B | −40N | −16B | −30N | +41N | F | −20B | 1.0 | 13.0 | 14.0 | 1.00 | 715 | 0.0 |
| 38 | Kalonomou, Sofia | 0 | GRE | −11B | −10N | F | +34B | −28N | F | F | 1.0 | 12.0 | 12.0 | 1.50 | 750 | 0.0 |
| 39 | Kalonomos, Konstantinos | 0 | GRE | −9B | −17N | F | +41B | −25N | F | F | 1.0 | 11.5 | 11.5 | 1.00 | 706 | 0.0 |
| 40 | Rompanos, Paschalis | 1478 | GRE | −31N | +37B | −12N | F | −11B | F | F | 1.0 | 11.0 | 11.0 | 1.00 | 872 | -36.8 |
| 41 | FIDE 541017412 | 0 | — | F | −21B | −29N | −39N | −37B | F | +43N | 1.0 | 7.0 | 7.0 | 0.00 | 706 | 0.0 |
| 42 | Kastanis, Konstantinos | 0 | GRE | −13N | F | F | −21B | F | −8N | −17N | 0.0 | 16.0 | 16.0 | 0.00 | 808 | 0.0 |
| 43 | FIDE 541004892 | 0 | — | −12N | −36B | F | F | F | −34N | −41B | 0.0 | 9.5 | 9.5 | 0.00 | 727 | 0.0 |
| 44 | Peppas, Stamatis | 1705 | GRE | −33N | F | F | F | F | F | F | 0.0 | 2.5 | 2.5 | 0.00 | 655 | -16.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Gavriilidis, LoukasGRE+68.44.5 pts · #4
- 2Fotoglou, IoannisGRE+40.25.5 pts · #5
- 3Tsigkogiannis, PanagiotisGRE+34.83.0 pts · #22
Top rating losers
- 1Hadzopoulos, AntoniosGRE-38.41.5 pts · #26
- 2Rompanos, PaschalisGRE-36.81.0 pts · #44
- 3Pallis, SotiriosGRE-36.01.0 pts · #36
Biggest upsets
- R6+368 Elo gap
- R1+251 Elo gap
- R3+181 Elo gap