Festive open Chess Square Nov 2025
Open SwissStandard
56 players participated in this 7-round tournament, held from 08 Nov 2025 to 20 Dec 2025 in Athens, Greece. Top 10 Elo average was 1956, and top seed was Anastasios Vassis (🇬🇷 GRE, 2076).
Anastasios Vassis (🇬🇷 GRE, 2076) won with 5.5/7, ahead of Dimitrios Delithanasis (5.5) and Theodoros Sideris (5.5). Vassis won on tie-break after catching the field in the final round.
The biggest upset came in round 2: Areti Xynidi (1643) beat Giannis Ter-Gevorkian (1877), a +234-point gap.
Location
🇬🇷Athens, Greece
Dates
08 Nov 2025 → 20 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇬🇷Greece×56
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R4; 3 players tied at 5.5/7, decided on Buchholz.
Co-leaders
21
7
2
1
1
1
3
R4–R7 · LEAD HELD
Dimitrios Delithanasis held the sole lead from R4 through R7 without losing it.
R7 · TIEBREAK CLUSTER
3 players finish on 5.5/7. Vassis takes the title on Buchholz Cut1 (24.0).
R6 · HEAD-TO-HEAD · WINNER VS 2ND
Dimitrios Delithanasis drew with Anastasios Vassis (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Dimitrios Delithanasis | * | ½ | 1 | ½ |
| 2Anastasios Vassis | ½ | * | — | — |
| 3Theodoros Sideris | 0 | — | * | — |
| 4Dimitrios Vazelakis | ½ | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vassis, Anastasios | 2076 | GRE | F | +21N | +5B | +25N | +13B | =2B | +7N | 5.5 | 24.0 | 24.0 | 21.25 | 2244 | +34.8 |
| 2 | Delithanasis, Dimitrios | 1943 | GRE | +48B | +50N | =25B | +3N | +9B | =1N | =6B | 5.5 | 23.5 | 24.5 | 18.00 | 2069 | +21.8 |
| 3 | Sideris, Theodoros | 1883 | GRE | +52N | =26B | +8N | −2B | +27N | +11B | +9B | 5.5 | 22.5 | 23.0 | 16.25 | 1948 | +13.4 |
| 4 | Fotiadis, Filippos | 1886 | GRE | +16N | +15B | −9N | +20B | +10N | =14B | =17N | 5.0 | 22.0 | 25.0 | 17.50 | 1922 | +10.0 |
| 5 | Athanasopoulos, Georgios 45299 | 1836 | GRE | +27N | =10B | −1N | +22B | +42N | =13B | +14N | 5.0 | 22.0 | 24.0 | 14.75 | 1981 | +28.8 |
| 6 | Vazelakis, Dimitrios | 1914 | GRE | +44N | −11B | +26N | +16B | =34N | +8B | =2N | 5.0 | 21.5 | 23.0 | 15.25 | 1890 | -1.0 |
| 7 | Nemtsas, Hristoforos | 1979 | GRE | +20N | =8B | =28N | =15B | +41N | +34B | −1B | 4.5 | 20.5 | 22.5 | 12.00 | 1874 | -14.2 |
| 8 | Antoniadis, Artiom | 1827 | GRE | +40B | =7N | −3B | +32N | +19B | −6N | =13N | 4.0 | 24.5 | 26.5 | 12.00 | 1796 | -1.0 |
| 9 | Synetos, Dionysios | 1837 | GRE | +43B | +35N | +4B | F | −2N | +25B | −3N | 4.0 | 22.5 | 22.5 | 11.50 | 1851 | +3.8 |
| 10 | Ignatiadis, Konstantinos | 1975 | GRE | +23B | =5N | =34B | +28N | −4B | +26N | F | 4.0 | 22.0 | 24.0 | 11.50 | 1876 | -12.4 |
| 11 | Patrinos, Ektor | 1757 | GRE | +45B | +6N | =14B | F | =18N | −3N | +22B | 4.0 | 21.5 | 21.5 | 12.50 | 1923 | +41.9 |
| 12 | Sioutis, Angelos | 1893 | GRE | +38B | −25N | +21B | F | +20N | +28B | F | 4.0 | 17.0 | 19.0 | 10.50 | 1880 | -0.2 |
| 13 | Poulos, Georgios | 1932 | GRE | =37N | F | +24B | +18B | −1N | =5N | =8B | 3.5 | 23.0 | 24.0 | 12.00 | 1870 | -6.4 |
| 14 | Panopoulos, Ioannis | 2040 | GRE | F | +41B | =11N | =29B | +24N | =4N | −5B | 3.5 | 21.5 | 21.5 | 10.75 | 1840 | -26.8 |
| 15 | Giakamozis, Apostolos | 1693 | GRE | +19B | −4N | +52B | =7N | −17B | +45N | F | 3.5 | 20.5 | 21.0 | 7.25 | 1694 | +2.4 |
| 16 | Koutsompinas, Georgios | 1658 | GRE | −4B | +40N | +35B | −6N | −26B | =39N | +45B | 3.5 | 18.5 | 19.5 | 6.00 | 1586 | -12.4 |
| 17 | Kiryttopoulou, Eleonora Kaisa | 1549 | GRE | −29N | +49B | +36B | F | +15N | F | =4B | 3.5 | 17.5 | 17.5 | 9.00 | 1873 | +81.6 |
| 18 | Malamatas, Konstantinos | 1923 | GRE | +30B | +36N | +42B | −13N | =11B | F | F | 3.5 | 17.5 | 17.5 | 8.50 | 1870 | -4.2 |
| 19 | Di Giorgio, Nikolaos | 1432 | GRE | −15N | =44B | +37N | +49B | −8N | −21B | +47N | 3.5 | 15.0 | 16.0 | 4.75 | 1550 | 0.0 |
| 20 | Tsironis, Konstantinos Pan | 1606 | GRE | −7B | +45N | +50B | −4N | −12B | +40N | F | 3.0 | 17.5 | 18.5 | 4.00 | 1746 | +18.6 |
| 21 | Gourgari, Marianna | 1611 | GRE | +55N | −1B | −12N | +46B | F | +19N | F | 3.0 | 17.5 | 17.5 | 4.50 | 1658 | +0.8 |
| 22 | Gkogka, Klevis | 1578 | GRE | F | F | +31B | −5N | +43B | +38N | −11N | 3.0 | 15.5 | 15.5 | 6.50 | 1684 | +13.4 |
| 23 | Sotiropoulos, Spyridon | 1604 | GRE | −10N | =39B | +44N | =27B | −36N | +47B | F | 3.0 | 14.0 | 15.0 | 4.75 | 1577 | -12.0 |
| 24 | Matthaiou, Theodoros | 1680 | GRE | +47B | F | −13N | +51N | −14B | +27B | F | 3.0 | 11.5 | 11.5 | 4.50 | 1761 | +12.8 |
| 25 | Nikolopoulos, Nikolaos S | 1688 | GRE | +49N | +12B | =2N | −1B | F | −9N | F | 2.5 | 23.5 | 24.5 | 7.75 | 1839 | +35.2 |
| 26 | Zervas, Christos | 1640 | GRE | +53B | =3N | −6B | F | +16N | −10B | F | 2.5 | 20.5 | 20.5 | 6.25 | 1769 | +21.2 |
| 27 | Di Giorgio, Victor | 1495 | GRE | −5B | +53N | +48B | =23N | −3B | −24N | F | 2.5 | 20.0 | 20.0 | 2.50 | 1587 | +12.8 |
| 28 | Deli, Eleanna Ratzvika | 1776 | GRE | F | +31N | =7B | −10B | +47N | −12N | F | 2.5 | 18.5 | 18.5 | 5.75 | 1739 | -3.8 |
| 29 | Ter-Gevorkian, Giannis | 1877 | GRE | +17B | −42N | +38B | =14N | F | F | F | 2.5 | 13.5 | 13.5 | 7.25 | 1782 | -7.0 |
| 30 | Kallaras, Georgios | 1553 | GRE | −18N | =33B | +54N | −41B | F | +31N | F | 2.5 | 13.0 | 13.0 | 3.75 | 1532 | -9.6 |
| 31 | Kouvaros, Vasileios Zeiron | 1453 | GRE | F | −28B | −22N | +33B | =37N | −30B | +54N | 2.5 | 12.5 | 12.5 | 3.50 | 1426 | -10.4 |
| 32 | Gkogka, Elvis | 1590 | GRE | F | F | +39N | −8B | +52N | =35B | F | 2.5 | 11.0 | 11.0 | 3.50 | 1735 | +10.8 |
| 33 | Stavropoulos, Simeon | 1446 | GRE | −36B | =30N | −51B | −31N | +54N | +53B | F | 2.5 | 10.5 | 10.5 | 1.25 | 1249 | 0.0 |
| 34 | Kazakos, Panteleimon | 1765 | GRE | F | +54B | =10N | F | =6B | −7N | F | 2.0 | 20.0 | 20.0 | 4.50 | 1831 | +4.8 |
| 35 | Hilaj, Oresti | 0 | GRE | F | −9B | −16N | =43N | +44B | =32N | F | 2.0 | 16.5 | 16.5 | 3.75 | 1551 | 0.0 |
| 36 | Asvestopoulos, Sergios | 1721 | GRE | +33N | −18B | −17N | F | +23B | F | F | 2.0 | 14.5 | 14.5 | 5.50 | 1627 | -17.9 |
| 37 | Triantafyllaki, Sofia | 1557 | GRE | =13B | −48N | −19B | +38N | =31B | F | F | 2.0 | 13.5 | 13.5 | 5.00 | 1533 | -4.8 |
| 38 | Kyrkos, Brakatsoulas Evangelos | 1519 | GRE | −12N | +46B | −29N | −37B | +49N | −22B | F | 2.0 | 13.5 | 13.5 | 2.00 | 1425 | -27.2 |
| 39 | Markouti, Christina | 1473 | GRE | −50B | =23N | −32B | F | +48N | =16B | F | 2.0 | 13.0 | 13.0 | 4.25 | 1593 | +23.6 |
| 40 | Kampili, Konstantina | 1474 | GRE | −8N | −16B | −46N | +54B | +53N | −20B | −44N | 2.0 | 13.0 | 13.0 | 0.00 | 856 | -22.0 |
| 41 | Talaverou, Vasiliki Viktoria | 1663 | GRE | F | −14N | +43B | +30N | −7B | F | F | 2.0 | 12.5 | 12.5 | 4.50 | 1767 | +16.4 |
| 42 | Xynidi, Areti | 1643 | GRE | +46N | +29B | −18N | F | −5B | F | F | 2.0 | 12.0 | 12.0 | 3.50 | 1754 | +15.2 |
| 43 | Stathakopoulou, Evangelia | 1496 | GRE | −9N | +55B | −41N | =35B | −22N | =52B | F | 2.0 | 11.5 | 11.5 | 1.25 | 1325 | -30.4 |
| 44 | Zervas, Spyridon | 1537 | GRE | −6B | =19N | −23B | F | −35N | F | +40B | 1.5 | 15.5 | 15.5 | 3.75 | 1523 | -8.4 |
| 45 | Karsiotis, Nikolaos | 1451 | GRE | −11N | −20B | F | +56N | F | −15B | −16N | 1.0 | 15.0 | 15.0 | 0.00 | 1421 | -6.8 |
| 46 | Kotrotsou, Eirini | 0 | GRE | −42B | −38N | +40B | −21N | F | F | F | 1.0 | 14.0 | 14.0 | 2.00 | 1368 | 0.0 |
| 47 | Pispirigkos, Konstantinos | 0 | GRE | −24N | F | +55B | F | −28B | −23N | −19B | 1.0 | 13.5 | 13.5 | 0.00 | 827 | -57.6 |
| 48 | Latifis, Panagiotis | 1678 | GRE | −2N | +37B | −27N | F | −39B | F | F | 1.0 | 13.0 | 13.0 | 2.00 | 1428 | -53.2 |
| 49 | Kalamitsis, Ioannis | 1431 | GRE | −25B | −17N | +53B | −19N | −38B | F | F | 1.0 | 11.5 | 11.5 | 0.00 | 750 | 0.0 |
| 50 | Penesis, Dimitrios | 1795 | GRE | +39N | −2B | −20N | F | F | F | F | 1.0 | 10.5 | 10.5 | 2.00 | 1556 | -17.8 |
| 51 | Sehas, Nikolaos | 1563 | GRE | F | F | +33N | −24B | F | F | F | 1.0 | 10.0 | 10.0 | 2.50 | 1557 | +0.2 |
| 52 | Alepoudeas, Dimitrios | 1506 | GRE | −3B | F | −15N | F | −32B | =43N | F | 0.5 | 14.5 | 14.5 | 1.00 | 1343 | -30.8 |
| 53 | Kazantzoglou, Aristotelis | 0 | GRE | −26N | −27B | −49N | F | −40B | −33N | F | 0.0 | 11.5 | 11.5 | 0.00 | 702 | 0.0 |
| 54 | Livanopoulou, Athina | 0 | GRE | F | −34N | −30B | −40N | −33B | F | −31B | 0.0 | 11.5 | 11.5 | 0.00 | 736 | -114.8 |
| 55 | Lekkas, Dimitrios NA | 0 | GRE | −21B | −43N | −47N | F | F | F | F | 0.0 | 9.0 | 9.0 | 0.00 | 753 | 0.0 |
| 56 | Trivella, Maria | 1602 | GRE | F | F | F | −45B | F | F | F | 0.0 | 3.5 | 3.5 | 0.00 | 651 | -14.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kiryttopoulou, Eleonora KaisaGRE+81.63.5 pts · #12
- 2Patrinos, EktorGRE+41.94.0 pts · #9
- 3Nikolopoulos, Nikolaos SGRE+35.22.5 pts · #23
Top rating losers
- 1Livanopoulou, AthinaGRE-114.80.0 pts · #56
- 2Pispirigkos, KonstantinosGRE-57.61.0 pts · #51
- 3Latifis, PanagiotisGRE-53.21.0 pts · #38
Biggest upsets
- R2+234 Elo gap
- R5+205 Elo gap
- R2+205 Elo gap