2nd Summer open Chess Square July 2025
Open SwissStandard
35 players participated in this 7-round tournament, held from 09 Jul 2025 to 17 Jul 2025 in Athens, Greece. 2 federations represented. Top 10 Elo average was 1954, and top seed was Anastasios Vassis (🇬🇷 GRE, 2123).
Anastasios Vassis (🇬🇷 GRE, 2123) won with 6.5/7, ahead of Anastasios Antoniadis (5.5) and Filippos Fotiadis (5.5). Vassis won solo starting round 4.
The biggest upset came in round 7: Ioannis Korovesis (1498) beat Lazaros Lazaridis-Elmaloglou (1905), a +407-point gap.
Location
🇬🇷Athens, Greece
Dates
09 Jul 2025 → 17 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 2 represented
🇬🇷Greece×34
🇬🇪Georgia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsAnastasios Vassis led from R4; +1.0-point edge over the runner-up.
Co-leaders
13
4
2
1
1
1
1
R4–R7 · LEAD HELD
Anastasios Vassis never relinquished the lead after R4; final gap +1.0 over the runner-up.
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Anastasios Vassis beat Filippos Fotiadis (Black).
WIN STREAKS · 2 top finishers
Anastasios Vassis 4 wins (R1–R4)Filippos Fotiadis 4 wins (R3–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Anastasios Vassis | * | 1 | 1 | 1 |
| 2Filippos Fotiadis | 0 | * | — | — |
| 3Anastasios Antoniadis | 0 | — | * | — |
| 4Odysseas Chatzipavlou | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vassis, Anastasios | 2123 | GRE | +4B | +3N | +2B | +6N | =11N | +13B | +14B | 6.5 | 28.5 | 32.0 | 30.00 | 2317 | +42.0 |
| 2 | Antoniadis, Anastasios | 1929 | GRE | +32N | +14B | −1N | +20B | =8N | +9B | +12N | 5.5 | 25.5 | 26.5 | 17.75 | 2003 | +13.8 |
| 3 | Fotiadis, Filippos | 1903 | GRE | +23N | −1B | +32N | +18B | +7B | +6N | =11B | 5.5 | 25.0 | 26.0 | 17.50 | 2095 | +35.8 |
| 4 | Chatzipavlou, Odysseas | 1735 | GRE | −1N | +30B | −20N | +34B | +21N | +19B | +10N | 5.0 | 20.0 | 20.0 | 11.00 | 1854 | +42.8 |
| 5 | Korovesis, Ioannis | 1498 | GRE | −25N | −12B | +35N | +30B | +24N | +15B | +13N | 5.0 | 17.0 | 17.0 | 11.00 | 1867 | +127.2 |
| 6 | Delithanasis, Dimitrios | 1955 | GRE | +12N | +17B | +18N | −1B | +10N | −3B | =8N | 4.5 | 28.0 | 31.0 | 16.75 | 1989 | +8.4 |
| 7 | Proutsalis, Marios Alexandros | 1946 | GRE | +21B | =15N | +9B | F | −3N | +16B | +19N | 4.5 | 24.0 | 26.5 | 15.25 | 1942 | +1.2 |
| 8 | Petropoulos, Filaretos | 1719 | GRE | −10N | +23B | +34N | +31B | =2B | =14N | =6B | 4.5 | 21.5 | 21.5 | 10.75 | 1891 | +33.0 |
| 9 | Athanasopoulos, Georgios 45299 | 1818 | GRE | +35N | =10B | −7N | +22B | +25B | −2N | +24B | 4.5 | 20.5 | 20.5 | 8.50 | 1893 | +17.0 |
| 10 | Nemtsas, Hristoforos | 1963 | GRE | +8B | =9N | +15B | +25N | −6B | =11N | −4B | 4.0 | 26.0 | 28.0 | 14.25 | 1888 | -12.4 |
| 11 | Tsamtsouris, Efthymios | 1981 | GRE | =16N | +24B | +31N | F | =1B | =10B | =3N | 4.0 | 26.0 | 27.5 | 13.25 | 2022 | +10.5 |
| 12 | Danopoulos, Odysseas Dimitrios | 1677 | GRE | −6B | +5N | −13B | +26N | +27B | +18N | −2B | 4.0 | 24.0 | 26.0 | 12.00 | 1797 | +17.0 |
| 13 | Lazaridis-Elmaloglou, Lazaros | 1905 | GRE | =22N | =20B | +12N | +21B | +19N | −1N | −5B | 4.0 | 23.5 | 26.0 | 12.00 | 1728 | -26.2 |
| 14 | Vazelakis, Dimitrios | 1857 | GRE | +29B | −2N | F | +16B | +15N | =8B | −1N | 3.5 | 25.5 | 25.5 | 11.25 | 1851 | +0.8 |
| 15 | Troupis, Georgios-Dimitrios | 1780 | GRE | +33N | =7B | −10N | +17B | −14B | −5N | +23B | 3.5 | 23.0 | 23.5 | 8.75 | 1722 | -17.6 |
| 16 | Eradze, Malkhaz | 1734 | GEO | =11B | +26N | −25B | −14N | +22B | −7N | +20N | 3.5 | 19.0 | 21.0 | 9.00 | 1773 | +13.2 |
| 17 | Archontakis, Christos | 1905 | GRE | +28B | −6N | F | −15N | +29B | =26N | +22B | 3.5 | 17.0 | 19.0 | 7.50 | 1712 | -22.8 |
| 18 | Sideris, Theodoros | 1925 | GRE | +19B | +27N | −6B | −3N | +20N | −12B | F | 3.0 | 21.5 | 21.5 | 7.50 | 1676 | -30.8 |
| 19 | Kourouklis, Efthymios-Nektarios | 1603 | GRE | −18N | +33B | +28N | +24B | −13B | −4N | −7B | 3.0 | 20.5 | 21.0 | 4.50 | 1683 | +9.0 |
| 20 | Mitzas, Dimitris | 1603 | GRE | F | =13N | +4B | −2N | −18B | +27N | −16B | 2.5 | 23.0 | 23.0 | 9.00 | 1697 | +9.0 |
| 21 | Tsampas, Charalampos | 1657 | GRE | −7N | +35B | F | −13N | −4B | =23N | +26B | 2.5 | 21.5 | 21.5 | 3.25 | 1631 | -6.2 |
| 22 | Gkogka, Elvis | 1571 | GRE | =13B | −31N | +23B | −9N | −16N | +30B | −17N | 2.5 | 19.5 | 21.0 | 6.00 | 1645 | +7.6 |
| 23 | Mastichiadis, Dimitrios | 1509 | GRE | −3B | −8N | −22N | +35B | +34N | =21B | −15N | 2.5 | 18.5 | 18.5 | 1.25 | 1546 | +5.6 |
| 24 | Ntaifas, Ioannis | 1783 | GRE | +34B | −11N | +27B | −19N | −5B | F | −9N | 2.0 | 20.5 | 20.5 | 2.00 | 1428 | -43.2 |
| 25 | Palaiologou, Apostolos | 1876 | GRE | +5B | F | +16N | −10B | −9N | F | F | 2.0 | 19.0 | 19.0 | 8.50 | 1753 | -22.4 |
| 26 | Stavropoulos, Kriton Michail | 1573 | GRE | F | −16B | =30N | −12B | +28N | =17B | −21N | 2.0 | 17.0 | 17.0 | 4.50 | 1542 | -5.4 |
| 27 | Katsaras, Konstantinos | 0 | GRE | F | −18B | −24N | +32B | −12N | −20B | +30N | 2.0 | 14.0 | 14.0 | 2.50 | 1557 | 0.0 |
| 28 | Belioti, Dafni | 1553 | GRE | −17N | F | −19B | +29N | −26B | +33N | F | 2.0 | 11.0 | 11.0 | 2.50 | 1444 | -24.8 |
| 29 | Mentzos, Apostolos | 1479 | GRE | −14N | −32B | +33N | −28B | −17N | F | +34B | 2.0 | 10.5 | 10.5 | 0.50 | 1428 | -17.2 |
| 30 | Georgiou, Petros K | 1482 | GRE | =31B | −4N | =26B | −5N | =33B | −22N | −27B | 1.5 | 18.0 | 18.5 | 2.00 | 1411 | -20.4 |
| 31 | Sarakenidis, Nikolaos | 1875 | GRE | =30N | +22B | −11B | −8N | F | F | F | 1.5 | 12.5 | 12.5 | 3.25 | 1604 | -26.6 |
| 32 | Atmatzidi Oikonomidi, Iro | 1616 | GRE | −2B | +29N | −3B | −27N | F | F | F | 1.0 | 15.0 | 15.0 | 2.00 | 1645 | +0.2 |
| 33 | Kazantzoglou, Aristotelis | 0 | GRE | −15B | −19N | −29B | F | =30N | −28B | F | 0.5 | 12.0 | 12.0 | 0.75 | 1214 | 0.0 |
| 34 | Yannopapas, Vasileios | 1438 | GRE | −24N | F | −8B | −4N | −23B | F | −29N | 0.0 | 16.0 | 16.0 | 0.00 | 845 | -25.4 |
| 35 | Alexandris, Dimosthenis | 1462 | GRE | −9B | −21N | −5B | −23N | F | F | F | 0.0 | 15.0 | 15.0 | 0.00 | 821 | -49.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Korovesis, IoannisGRE+127.25.0 pts · #5
- 2Chatzipavlou, OdysseasGRE+42.85.0 pts · #4
- 3Vassis, AnastasiosGRE+42.06.5 pts · #1
Top rating losers
- 1Alexandris, DimosthenisGRE-49.60.0 pts · #35
- 2Ntaifas, IoannisGRE-43.22.0 pts · #31
- 3Sideris, TheodorosGRE-30.83.0 pts · #24
Biggest upsets
- R7+407 Elo gap
- R5+285 Elo gap
- R6+282 Elo gap