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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 (πŸ‡¬πŸ‡· GRE, 1559).

Athina Antonaki (πŸ‡¬πŸ‡· 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
πŸ‡¬πŸ‡·Thessaloniki, Greece
Dates
06 Jul 2025 β†’ 12 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 7 rounds
Top seed
πŸ‡¬πŸ‡·Aliki Chachali1559
Avg top 10
1,323
Participants
19
Federations Β· 1 represented
πŸ‡¬πŸ‡·GreeceΓ—17
Top 3
  • πŸ₯‡
    Athina Antonaki
    πŸ‡¬πŸ‡·GREΒ·1496
    5.0ptsΒ·1589perf+10.4
  • πŸ₯ˆ
    Sofia Ritinioti
    πŸ‡¬πŸ‡·GREΒ·1470
    5.0ptsΒ·1460perf-2.0
  • πŸ₯‰
    Aliki Chachali
    πŸ‡¬πŸ‡·GREΒ·1559
    5.0ptsΒ·1545perf-11.6

How it unfolded

Top 6 Β· 7 rounds

Tight 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
23.55.57R1R2R3R4R5R6R7Antonaki takes lead
Chachali5Antonaki5Ritinioti5Efientzi5Kouvedaki4.5Karkani4
R6 Β· LEADER CHANGE11 Jul

Athina Antonaki takes the sole lead (5.0/6).

R7 Β· TIEBREAK CLUSTER

4 players finish on 5.0/7. Antonaki takes the title on Buchholz Cut1 (26.5).

R5 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Aliki Chachali drew with Athina Antonaki (White).

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Aliki Chachali*
Β½
β€”
1
2Athina Antonaki
Β½
*
0
β€”
3Sofia Ritiniotiβ€”
1
*β€”
4Rafailia Efientzi
0
β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΞ”
1Antonaki, Athina1496GRE=7N+12B+6N+8B=3N+5Bβˆ’2N5.026.529.520.001589+10.4
2Ritinioti, Sofia1470GRE+11Nβˆ’9B+10Bβˆ’5N+14B+12N+1B5.024.526.518.001460-2.0
3Chachali, Aliki1559GRE+4B=10N+15B+13N=1B=6N=5N5.024.526.517.751545-11.6
4Efientzi, Rafailia0GREβˆ’3N+18Bβˆ’12N+17B+7N+8B+6B5.021.522.514.5015370.0
5Kouvedaki, Rafaela1439GREβˆ’12N+7B+16N+2B+8Nβˆ’1N=3B4.526.028.017.501532+16.0
6Karkani, Maria Faidra1468GRE+18B=15Nβˆ’1B+10N+9B=3Bβˆ’4N4.025.026.012.501594+24.0
7Latifi, Myrto0GRE=1Bβˆ’5N+14B+15Nβˆ’4B+9N=11B4.024.526.512.5014580.0
8Kougioumtzoglou, Margarita1484GRE+14B+13N+9Bβˆ’1Nβˆ’5Bβˆ’4N+12B4.023.525.511.0014550.0
9Gagani, Elli1402GRE+16B+2Nβˆ’8N+12Bβˆ’6Nβˆ’7B+13B4.022.024.012.001591+30.4
10Malamousi, Georgia1466GRE+17N=3Bβˆ’2Nβˆ’6B=11N+19B+15B4.021.522.59.001241-32.4
11Tsolampouni, Vasiliki0GREβˆ’2B+19Nβˆ’13B+18N=10B+14N=7N4.018.019.08.0011870.0
12Sgourou, Anna0GRE+5Bβˆ’1N+4Bβˆ’9N+13Bβˆ’2Bβˆ’8N3.027.529.511.5013850.0
13Afantiti, Stavroula Chrysovalanto1449GRE+19Bβˆ’8B+11Nβˆ’3Bβˆ’12NFβˆ’9N2.021.021.05.00696-34.8
14Psilopoulou, Aikaterini Viktoria0GREβˆ’8N+17Bβˆ’7N+16Bβˆ’2Nβˆ’11BF2.020.520.53.506690.0
15Tafaki, Despoina Theocharia0GREF=6Bβˆ’3Nβˆ’7B=17N+18Bβˆ’10N2.019.519.53.7512400.0
16FIDE 5410003070β€”βˆ’9NFβˆ’5Bβˆ’14Nβˆ’19N+17B+18N2.014.014.02.506180.0
17Dimitriadou, Lida0GREβˆ’10Bβˆ’14NFβˆ’4N=15Bβˆ’16N+19B1.516.016.02.006670.0
18Apostolou, Dimitra0GREβˆ’6Nβˆ’4N+19Bβˆ’11BFβˆ’15Nβˆ’16B1.018.018.01.006830.0
19FIDE 421930790β€”βˆ’13Nβˆ’11Bβˆ’18NF+16Bβˆ’10Nβˆ’17N1.014.514.52.006560.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
2025 National Youth Championships - girls U10 β€” Thessaloniki, Greece | Chess Tournament Results | ChessStats