OFI Autumn 2025 Tournament U1800
Open SwissStandard
35 players participated in this 7-round tournament, held from 04 Oct 2025 to 12 Oct 2025 in Heraklion Crete, Greece. Top 10 Elo average was 1625, and top seed was Antonios Nichlos (🇬🇷 GRE, 1740).
Ektoras Lamprinos (🇬🇷 GRE, 1565) won with 6.5/7, ahead of Konstantinos Zachos (5.5) and Anastasia Serlidaki (5.0). Lamprinos won solo starting round 4.
The biggest upset came in round 1: Nikolaos Chatzisavvas (1410) beat Argyro Papadimitriou (1612), a +202-point gap.
Location
🇬🇷Heraklion Crete, Greece
Dates
04 Oct 2025 → 12 Oct 2025
Time control
Standard: All Moves in 45 Min. Incr. 15 Sec. / /
System
Swiss · 7 rounds
Federations · 1 represented
🇬🇷Greece×30
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsEktoras Lamprinos led from R4; +1.0-point edge over the runner-up.
Co-leaders
16
7
2
1
1
1
1
R4–R7 · LEAD HELD
Ektoras Lamprinos never relinquished the lead after R4; final gap +1.0 over the runner-up.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Ektoras Lamprinos drew with Konstantinos Zachos (Black).
WIN STREAKS · 3 top finishers
Ektoras Lamprinos 4 wins (R1–R4)Konstantinos Zachos 3 wins (R1–R3)Anastasia Serlidaki 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Ektoras Lamprinos | * | ½ | — | — |
| 2Konstantinos Zachos | ½ | * | 1 | — |
| 3Anastasia Serlidaki | — | 0 | * | — |
| 4Antonios Nichlos | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lamprinos, Ektoras | 1565 | GRE | +32N | +13B | +4N | +14B | =2N | +7N | +5B | 6.5 | 25.5 | 26.5 | 23.75 | 1965 | +50.2 |
| 2 | Zachos, Konstantinos | 1678 | GRE | +22N | +19B | +3N | =15B | =1B | +8N | =7B | 5.5 | 26.0 | 28.5 | 21.50 | 1766 | +26.4 |
| 3 | Serlidaki, Anastasia | 1547 | GRE | +30B | +26N | −2B | −8N | +31B | +16N | +9B | 5.0 | 20.0 | 21.0 | 11.50 | 1554 | +0.4 |
| 4 | Lantzourakis, Nikolaos | 1608 | GRE | +24B | +11N | −1B | −7N | +21B | =22N | +13B | 4.5 | 23.5 | 26.0 | 14.25 | 1506 | -13.4 |
| 5 | Drakakis, Georgios Th | 1590 | GRE | −26B | +30N | +24B | =12N | +16B | +15N | −1N | 4.5 | 22.0 | 23.0 | 12.50 | 1613 | +4.0 |
| 6 | Nichlos, Antonios | 1740 | GRE | +17B | −28N | −7B | +26N | =13B | +24N | +8B | 4.5 | 19.5 | 21.5 | 13.75 | 1498 | -29.6 |
| 7 | Xenakis, Tryfon | 1608 | GRE | F | =14B | +6N | +4B | +15N | −1B | =2N | 4.0 | 28.0 | 28.0 | 17.00 | 1740 | +42.0 |
| 8 | Remediakis, Ioannis | 1470 | GRE | +34N | −15B | +27N | +3B | +11N | −2B | −6N | 4.0 | 24.5 | 25.5 | 12.00 | 1545 | +8.8 |
| 9 | Tamiolakis, Grigorios | 1652 | GRE | +16B | +20N | F | =22B | =14N | +11B | −3N | 4.0 | 21.5 | 21.5 | 13.50 | 1610 | -12.0 |
| 10 | Papadimitriou, Argyro | 1612 | GRE | −13N | +23B | −16N | +32B | =25N | +17B | =12B | 4.0 | 19.5 | 20.5 | 10.25 | 1357 | -55.2 |
| 11 | Karkani, Maria Faidra | 1493 | GRE | +35B | −4B | +23N | +31N | −8B | −9N | +22B | 4.0 | 18.5 | 18.5 | 6.00 | 1352 | -32.0 |
| 12 | Trelakas, Andreas | 1492 | GRE | +29N | F | +26B | =5B | =22N | =14B | =10N | 4.0 | 18.0 | 18.0 | 10.75 | 1536 | +9.6 |
| 13 | Chatzisavvas, Nikolaos | 1410 | GRE | +10B | −1N | +20B | −17N | =6N | +23B | −4N | 3.5 | 26.0 | 28.5 | 11.75 | 1524 | +33.6 |
| 14 | Maragkakis, Emmanouil | 1481 | GRE | +31B | =7N | +18B | −1N | =9B | =12N | −15B | 3.5 | 25.5 | 26.5 | 10.50 | 1528 | +10.4 |
| 15 | Sivaropoulos, Georgios | 1602 | GRE | +25B | +8N | F | =2N | −7B | −5B | +14N | 3.5 | 24.0 | 26.0 | 12.75 | 1569 | -9.2 |
| 16 | Serlidakis, Konstantinos | 1411 | GRE | −9N | +33B | +10B | +19N | −5N | −3B | =18B | 3.5 | 24.0 | 25.0 | 9.75 | 1528 | +34.4 |
| 17 | Lampakis, Vasileios | 1469 | GRE | −6N | −27B | +33N | +13B | =23N | −10N | +24B | 3.5 | 19.0 | 20.0 | 8.25 | 1460 | -2.8 |
| 18 | Nti Bampo, Massimo Tomasso | 1598 | GRE | −23N | +32B | −14N | −30B | +27N | +25B | =16N | 3.5 | 15.0 | 16.0 | 7.25 | 1259 | -35.2 |
| 19 | Remediaki, Sofia Niki | 1508 | GRE | F | −2N | +25B | −16B | F | +30N | +26N | 3.0 | 14.5 | 14.5 | 5.50 | 747 | -36.0 |
| 20 | Vertoudou, Syllia Eleftheria | 1500 | GRE | +33N | −9B | −13N | −23B | +34N | F | +31N | 3.0 | 13.0 | 13.0 | 3.00 | 727 | -36.8 |
| 21 | FIDE 42172268 | 0 | — | F | F | +29N | +27B | −4N | −31B | +33B | 3.0 | 10.0 | 10.0 | 4.50 | 808 | 0.0 |
| 22 | Georgopoulos, Athanasios NA | 1448 | GRE | −2B | +35N | F | =9N | =12B | =4B | −11N | 2.5 | 22.0 | 22.0 | 6.25 | 1439 | -4.0 |
| 23 | Fanourakis, Angelos | 0 | GRE | +18B | −10N | −11B | +20N | =17B | −13N | −25N | 2.5 | 21.5 | 24.0 | 8.25 | 1456 | 0.0 |
| 24 | Piagkalakis, Georgios | 0 | GRE | −4N | +29B | −5N | =34B | +30N | −6B | −17N | 2.5 | 19.5 | 20.5 | 3.00 | 802 | 0.0 |
| 25 | Dimopoulos, Antonios | 0 | GRE | −15N | +34B | −19N | F | =10B | −18N | +23B | 2.5 | 17.5 | 17.5 | 5.50 | 1257 | 0.0 |
| 26 | Fanourakis, Nikolaos | 0 | GRE | +5N | −3B | −12N | −6B | +32N | F | −19B | 2.0 | 22.0 | 22.0 | 5.50 | 1337 | 0.0 |
| 27 | Karavelaki, Zoi | 0 | GRE | −28B | +17N | −8B | −21N | −18B | F | +29N | 2.0 | 17.5 | 17.5 | 5.00 | 1326 | 0.0 |
| 28 | Kavouras, Kosmas | 1542 | GRE | +27N | +6B | F | F | F | F | F | 2.0 | 10.0 | 10.0 | 6.50 | 2540 | +15.2 |
| 29 | FIDE 541016467 | 0 | — | −12B | −24N | −21B | +33B | F | =34N | −27B | 1.5 | 13.5 | 13.5 | 1.50 | 692 | 0.0 |
| 30 | Garefalakis, Nikitas | 0 | GRE | −3N | −5B | F | +18N | −24B | −19B | F | 1.0 | 18.5 | 18.5 | 3.50 | 1368 | 0.0 |
| 31 | FIDE 42189055 | 0 | — | −14N | F | F | −11B | −3N | +21N | −20B | 1.0 | 18.5 | 18.5 | 3.00 | 712 | 0.0 |
| 32 | Garefalakis, Emmanouil | 0 | GRE | −1B | −18N | +35B | −10N | −26B | −33N | F | 1.0 | 17.0 | 17.0 | 0.00 | 790 | 0.0 |
| 33 | FIDE 42189411 | 0 | — | −20B | −16N | −17B | −29N | F | +32B | −21N | 1.0 | 15.5 | 15.5 | 1.00 | 658 | 0.0 |
| 34 | Vertoudou, Konstantina | 0 | GRE | −8B | −25N | F | =24N | −20B | =29B | F | 1.0 | 13.5 | 13.5 | 2.00 | 683 | 0.0 |
| 35 | FIDE 42189551 | 0 | — | −11N | −22B | −32N | F | F | F | F | 0.0 | 7.5 | 7.5 | 0.00 | 679 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Lamprinos, EktorasGRE+50.26.5 pts · #1
- 2Xenakis, TryfonGRE+42.04.0 pts · #4
- 3Serlidakis, KonstantinosGRE+34.43.5 pts · #9
Top rating losers
- 1Papadimitriou, ArgyroGRE-55.24.0 pts · #16
- 2Vertoudou, Syllia EleftheriaGRE-36.83.0 pts · #28
- 3Remediaki, Sofia NikiGRE-36.03.0 pts · #33
Biggest upsets
- R1+202 Elo gap
- R3+201 Elo gap
- R2+198 Elo gap