CChessStats

Clasificatorio al Sudamericano 2025, Sub-18 Femenino

Open SwissStandard

9 players participated in this 7-round tournament, held from 19 Sept 2025 to 21 Sept 2025 in Tarija, Bolivia. Top 10 Elo average was 1102, and top seed was Veroska Isabela Kilibarda Acebey (🇧🇴 BOL, 1791).

Jhoana Velarde Alarcon (🇧🇴 BOL, 1720) won with 6.0/7, ahead of Leila Daniela Lutina Bueno (4.5) and Analia Ibanez Valdez (4.0). Velarde Alarcon shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 5: Analia Ibanez Valdez (1598) beat Leila Daniela Lutina Bueno (1753), a +155-point gap.

Location
🇧🇴Tarija, Bolivia
Dates
19 Sept 2025 → 21 Sept 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Avg top 10
1,102
Participants
9
Federations · 1 represented
🇧🇴Bolivia×8
Top 3

How it unfolded

Top 6 · 7 rounds

Jhoana Velarde Alarcon led from R5; +1.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
4
3
1
2
1
1
1
23.55.57R1R2R3R4R5R6R7Velarde Alarcon takes lead
R5 · LEADER CHANGE20 Sept

Jhoana Velarde Alarcon takes the sole lead (4.5/5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Jhoana Velarde Alarcon drew with Leila Daniela Lutina Bueno (White).

WIN STREAKS · 2 top finishers

Jhoana Velarde Alarcon 3 wins (R4–R6)Veroska Isabela Kilibarda Acebey 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Velarde Alarcon, Jhoana1720BOL+8B+4N=2B+3N+5B+6N=7B6.020.021.018.002005+59.2
2Lutina Bueno, Leila Daniela1753BOL+6N+7B=1N+5B3N+4BF4.521.521.514.501781+8.8
3Ibanez Valdez, Analia1598BOL+9N5B+7N1B+2B+8N4N4.021.021.07.001517-16.0
4Martinez Delgado, Nicole Ariana1574BOL5N1B+8N+9B+7N2N+3B4.021.021.06.501523-10.0
5Kilibarda Acebey, Veroska Isabela1791BOL+4B+3N+9B2N1NF+8B4.019.519.59.001661-27.2
6Garcia Vacaflor, Zuleyka1479BOL2B+8NFFF1B+9B2.013.013.01.00938-14.8
7Vidaurre Salazar, Brisa Maribel0BOLF2N3BF4B+9N=1N1.520.520.53.0013390.0
8Camata Mamani, Alison Eslendy0BOL1N6B4BF+9N3B5N1.020.020.00.008320.0
9FIDE 337124703BF5N4N8B7B6N0.016.516.50.008100.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets