4th Open AO Neoi Vyronos Okt 2025
Open SwissStandard
27 players participated in this 7-round tournament, held from 04 Oct 2025 to 22 Nov 2025 in Athens, Greece. Top 10 Elo average was 1669, and top seed was Apostolos Palaiologou (🇬🇷 GRE, 2014).
Apostolos Palaiologou (🇬🇷 GRE, 2014) won with 6.5/7, ahead of Efthimios-Alexandros Routsi (6.0) and Panagiotis Biris (5.0). Palaiologou won solo starting round 4.
Location
🇬🇷Athens, Greece
Dates
04 Oct 2025 → 22 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇬🇷Greece×20
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsApostolos Palaiologou led from R4; +0.5-point edge over the runner-up.
Co-leaders
12
6
2
1
1
1
1
R4–R7 · LEAD HELD
Apostolos Palaiologou held the sole lead from R4 through R7 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Apostolos Palaiologou drew with Efthimios-Alexandros Routsi (White).
WIN STREAKS · 2 top finishers
Apostolos Palaiologou 4 wins (R1–R4)Panagiotis Biris 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Apostolos Palaiologou | * | ½ | 1 | 1 |
| 2Efthimios-Alexandros Routsi | ½ | * | 1 | 1 |
| 3Panagiotis Biris | 0 | 0 | * | — |
| 4Theodoros Troupis | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Palaiologou, Apostolos | 2014 | GRE | +16B | +7N | +3B | +4N | =2B | +5N | +10B | 6.5 | 27.5 | 29.5 | 26.50 | 2098 | +16.0 |
| 2 | Routsi, Efthimios-Alexandros | 1892 | GRE | +13N | +26B | =10N | +9B | =1N | +4B | +3N | 6.0 | 26.5 | 27.5 | 22.50 | 1978 | +13.8 |
| 3 | Biris, Panagiotis | 1653 | GRE | +12N | +6B | −1N | +16B | +10B | +13N | −2B | 5.0 | 26.5 | 28.5 | 16.00 | 1787 | +39.6 |
| 4 | Troupis, Theodoros | 1715 | GRE | +11B | +5N | +8B | −1B | +7N | −2N | =9B | 4.5 | 29.0 | 32.5 | 18.00 | 1733 | +3.6 |
| 5 | Biris, Dimitrios | 1500 | GRE | +23N | −4B | +12N | +14B | +15N | −1B | =6N | 4.5 | 23.5 | 24.5 | 11.25 | 1577 | +8.8 |
| 6 | Michalopoulos, Nikolaos | 0 | GRE | +22B | −3N | =11B | =15N | +14B | +8N | =5B | 4.5 | 22.0 | 23.0 | 12.75 | 1431 | -26.8 |
| 7 | Kana, Ioulia Marika | 1618 | GRE | +20N | −1B | +19B | +8N | −4B | −9N | +13B | 4.0 | 24.0 | 26.0 | 11.00 | 1503 | -27.6 |
| 8 | Tsoukalas, Dimitrios | 0 | GRE | +17N | +?B | −4N | −7B | +16N | −6B | +12N | 4.0 | 20.0 | 20.0 | 7.00 | 1547 | 0.0 |
| 9 | Kontokostas, Marios | 1596 | GRE | +27B | F | =14N | −2N | +23B | +7B | =4N | 4.0 | 18.0 | 18.0 | 8.50 | 1742 | +10.2 |
| 10 | Stivaktakis, Georgios | 1623 | GRE | +25B | +15N | =2B | F | −3N | +12B | −1N | 3.5 | 24.0 | 24.0 | 9.50 | 1675 | +2.2 |
| 11 | Chaikal, Machnti | 1425 | GRE | −4N | +18B | =6N | +19B | −13B | +17N | F | 3.5 | 18.0 | 20.0 | 8.25 | 1465 | +6.0 |
| 12 | Alexopoulos, Andreas | 0 | GRE | −3B | +22N | −5B | +18N | +?B | −10N | −8B | 3.0 | 20.0 | 20.0 | 3.00 | 1370 | 0.0 |
| 13 | Mardeni, Paraskevi | 1452 | GRE | −2B | +27N | +24B | F | +11N | −3B | −7N | 3.0 | 19.5 | 19.5 | 4.50 | 1444 | -5.6 |
| 14 | Palaiologou, Michail D | 0 | GRE | F | +17B | =9B | −5N | −6N | F | +24B | 2.5 | 18.0 | 18.0 | 5.00 | 1450 | 0.0 |
| 15 | Katsilidis, Efraim Christodoulos | 1488 | GRE | +24N | −10B | +25N | =6B | −5B | −21N | F | 2.5 | 16.5 | 17.5 | 4.25 | 1286 | -28.4 |
| 16 | Vlassopoulos, Nikolaos G | 1440 | GRE | −1N | +20B | F | −3N | −8B | F | +18N | 2.0 | 22.0 | 23.0 | 4.00 | 947 | -12.4 |
| 17 | Papakonstantinou, Evangelia | 1491 | GRE | −8B | −14N | −18B | +22N | +27N | −11B | F | 2.0 | 14.0 | 14.0 | 1.00 | 623 | -23.6 |
| 18 | Papakonstantinou, Ioannis | 0 | GRE | −26B | −11N | +17N | −12B | +25N | F | −16B | 2.0 | 13.5 | 14.5 | 3.00 | 1291 | 0.0 |
| 19 | Gkalstyan, Grigor | 0 | GRE | F | +21B | −7N | −11N | F | F | +27B | 2.0 | 13.5 | 13.5 | 2.00 | 721 | 0.0 |
| 20 | FIDE 42186072 | 0 | — | −7B | −16N | +22B | F | F | +24N | −?B | 2.0 | 11.0 | 11.0 | 2.00 | 709 | 0.0 |
| 21 | FIDE 541018532 | 0 | — | F | −19N | −?N | F | +24B | +15B | F | 2.0 | 9.0 | 9.0 | 3.50 | 1478 | 0.0 |
| 22 | FIDE 42194407 | 0 | — | −6N | −12B | −20N | −17B | F | +25B | F | 1.0 | 15.0 | 15.0 | 1.00 | 720 | 0.0 |
| 23 | FIDE 42194415 | 0 | — | −5B | −25N | +27B | F | −9N | −?N | F | 1.0 | 13.5 | 13.5 | 0.00 | 726 | 0.0 |
| 24 | FIDE 42196582 | 0 | — | −15B | F | −13N | +25B | −21N | −20B | −14N | 1.0 | 13.0 | 13.0 | 1.00 | 670 | 0.0 |
| 25 | FIDE 541010604 | 0 | — | −10N | +23B | −15B | −24N | −18B | −22N | F | 1.0 | 11.0 | 11.0 | 1.00 | 756 | 0.0 |
| 26 | Lazaridis, Nikolaos | 1583 | GRE | +18N | −2N | F | F | F | F | F | 1.0 | 10.0 | 10.0 | 2.00 | 1092 | -5.6 |
| 27 | FIDE 541018516 | 0 | — | −9N | −13B | −23N | F | −17B | F | −19N | 0.0 | 14.0 | 14.0 | 0.00 | 715 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Biris, PanagiotisGRE+39.65.0 pts · #3
- 2Palaiologou, ApostolosGRE+16.06.5 pts · #1
- 3Routsi, Efthimios-AlexandrosGRE+13.86.0 pts · #2
Top rating losers
- 1Katsilidis, Efraim ChristodoulosGRE-28.42.5 pts · #17
- 2Kana, Ioulia MarikaGRE-27.64.0 pts · #13
- 3Michalopoulos, NikolaosGRE-26.84.5 pts · #10