2025 National Youth Championships - girls U10
Open SwissStandard
19 players participated in this 7-round tournament, held from 06 Jul 2025 to 12 Jul 2025 in Thessaloniki, Greece. Top 10 Elo average was 1323, and top seed was Aliki Chachali (🇬🇷 GRE, 1559).
Athina Antonaki (🇬🇷 GRE, 1496) won with 5.0/7, ahead of Sofia Ritinioti (5.0) and Aliki Chachali (5.0). Antonaki shared the lead from round 4, winning on tie-break.
Location
🇬🇷Thessaloniki, Greece
Dates
06 Jul 2025 → 12 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇬🇷Greece×17
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R7; 4 players tied at 5.0/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 4 at the finish.
Co-leaders
8
2
1
2
3
1
4
R6 · LEADER CHANGE11 Jul
Athina Antonaki takes the sole lead (5.0/6).
R7 · TIEBREAK CLUSTER
4 players finish on 5.0/7. Antonaki takes the title on Buchholz Cut1 (26.5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Aliki Chachali drew with Athina Antonaki (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Aliki Chachali | * | ½ | — | 1 |
| 2Athina Antonaki | ½ | * | 0 | — |
| 3Sofia Ritinioti | — | 1 | * | — |
| 4Rafailia Efientzi | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Antonaki, Athina | 1496 | GRE | =7N | +12B | +6N | +8B | =3N | +5B | −2N | 5.0 | 26.5 | 29.5 | 20.00 | 1589 | +10.4 |
| 2 | Ritinioti, Sofia | 1470 | GRE | +11N | −9B | +10B | −5N | +14B | +12N | +1B | 5.0 | 24.5 | 26.5 | 18.00 | 1460 | -2.0 |
| 3 | Chachali, Aliki | 1559 | GRE | +4B | =10N | +15B | +13N | =1B | =6N | =5N | 5.0 | 24.5 | 26.5 | 17.75 | 1545 | -11.6 |
| 4 | Efientzi, Rafailia | 0 | GRE | −3N | +18B | −12N | +17B | +7N | +8B | +6B | 5.0 | 21.5 | 22.5 | 14.50 | 1537 | 0.0 |
| 5 | Kouvedaki, Rafaela | 1439 | GRE | −12N | +7B | +16N | +2B | +8N | −1N | =3B | 4.5 | 26.0 | 28.0 | 17.50 | 1532 | +16.0 |
| 6 | Karkani, Maria Faidra | 1468 | GRE | +18B | =15N | −1B | +10N | +9B | =3B | −4N | 4.0 | 25.0 | 26.0 | 12.50 | 1594 | +24.0 |
| 7 | Latifi, Myrto | 0 | GRE | =1B | −5N | +14B | +15N | −4B | +9N | =11B | 4.0 | 24.5 | 26.5 | 12.50 | 1458 | 0.0 |
| 8 | Kougioumtzoglou, Margarita | 1484 | GRE | +14B | +13N | +9B | −1N | −5B | −4N | +12B | 4.0 | 23.5 | 25.5 | 11.00 | 1455 | 0.0 |
| 9 | Gagani, Elli | 1402 | GRE | +16B | +2N | −8N | +12B | −6N | −7B | +13B | 4.0 | 22.0 | 24.0 | 12.00 | 1591 | +30.4 |
| 10 | Malamousi, Georgia | 1466 | GRE | +17N | =3B | −2N | −6B | =11N | +19B | +15B | 4.0 | 21.5 | 22.5 | 9.00 | 1241 | -32.4 |
| 11 | Tsolampouni, Vasiliki | 0 | GRE | −2B | +19N | −13B | +18N | =10B | +14N | =7N | 4.0 | 18.0 | 19.0 | 8.00 | 1187 | 0.0 |
| 12 | Sgourou, Anna | 0 | GRE | +5B | −1N | +4B | −9N | +13B | −2B | −8N | 3.0 | 27.5 | 29.5 | 11.50 | 1385 | 0.0 |
| 13 | Afantiti, Stavroula Chrysovalanto | 1449 | GRE | +19B | −8B | +11N | −3B | −12N | F | −9N | 2.0 | 21.0 | 21.0 | 5.00 | 696 | -34.8 |
| 14 | Psilopoulou, Aikaterini Viktoria | 0 | GRE | −8N | +17B | −7N | +16B | −2N | −11B | F | 2.0 | 20.5 | 20.5 | 3.50 | 669 | 0.0 |
| 15 | Tafaki, Despoina Theocharia | 0 | GRE | F | =6B | −3N | −7B | =17N | +18B | −10N | 2.0 | 19.5 | 19.5 | 3.75 | 1240 | 0.0 |
| 16 | FIDE 541000307 | 0 | — | −9N | F | −5B | −14N | −19N | +17B | +18N | 2.0 | 14.0 | 14.0 | 2.50 | 618 | 0.0 |
| 17 | Dimitriadou, Lida | 0 | GRE | −10B | −14N | F | −4N | =15B | −16N | +19B | 1.5 | 16.0 | 16.0 | 2.00 | 667 | 0.0 |
| 18 | Apostolou, Dimitra | 0 | GRE | −6N | −4N | +19B | −11B | F | −15N | −16B | 1.0 | 18.0 | 18.0 | 1.00 | 683 | 0.0 |
| 19 | FIDE 42193079 | 0 | — | −13N | −11B | −18N | F | +16B | −10N | −17N | 1.0 | 14.5 | 14.5 | 2.00 | 656 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Gagani, ElliGRE+30.44.0 pts · #6
- 2Karkani, Maria FaidraGRE+24.04.0 pts · #3
- 3Kouvedaki, RafaelaGRE+16.04.5 pts · #9
Top rating losers
- 1Afantiti, Stavroula ChrysovalantoGRE-34.82.0 pts · #14
- 2Malamousi, GeorgiaGRE-32.44.0 pts · #12
- 3Chachali, AlikiGRE-11.65.0 pts · #1