Clasificatorio al Sudamericano 2025, Sub-18 Femenino
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.
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How it unfolded
Top 6 · 7 roundsJhoana 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.
Jhoana Velarde Alarcon takes the sole lead (4.5/5).
Jhoana Velarde Alarcon drew with Leila Daniela Lutina Bueno (White).
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Jhoana Velarde Alarcon | * | ½ | 1 | 1 |
| 2Leila Daniela Lutina Bueno | ½ | * | 1 | 0 |
| 3Veroska Isabela Kilibarda Acebey | 0 | 0 | * | 1 |
| 4Analia Ibanez Valdez | 0 | 1 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Velarde Alarcon, Jhoana | 1720 | BOL | +8B | +4N | =2B | +3N | +5B | +6N | =7B | 6.0 | 20.0 | 21.0 | 18.00 | 2005 | +59.2 |
| 2 | Lutina Bueno, Leila Daniela | 1753 | BOL | +6N | +7B | =1N | +5B | −3N | +4B | F | 4.5 | 21.5 | 21.5 | 14.50 | 1781 | +8.8 |
| 3 | Ibanez Valdez, Analia | 1598 | BOL | +9N | −5B | +7N | −1B | +2B | +8N | −4N | 4.0 | 21.0 | 21.0 | 7.00 | 1517 | -16.0 |
| 4 | Martinez Delgado, Nicole Ariana | 1574 | BOL | −5N | −1B | +8N | +9B | +7N | −2N | +3B | 4.0 | 21.0 | 21.0 | 6.50 | 1523 | -10.0 |
| 5 | Kilibarda Acebey, Veroska Isabela | 1791 | BOL | +4B | +3N | +9B | −2N | −1N | F | +8B | 4.0 | 19.5 | 19.5 | 9.00 | 1661 | -27.2 |
| 6 | Garcia Vacaflor, Zuleyka | 1479 | BOL | −2B | +8N | F | F | F | −1B | +9B | 2.0 | 13.0 | 13.0 | 1.00 | 938 | -14.8 |
| 7 | Vidaurre Salazar, Brisa Maribel | 0 | BOL | F | −2N | −3B | F | −4B | +9N | =1N | 1.5 | 20.5 | 20.5 | 3.00 | 1339 | 0.0 |
| 8 | Camata Mamani, Alison Eslendy | 0 | BOL | −1N | −6B | −4B | F | +9N | −3B | −5N | 1.0 | 20.0 | 20.0 | 0.00 | 832 | 0.0 |
| 9 | FIDE 3371247 | 0 | — | −3B | F | −5N | −4N | −8B | −7B | −6N | 0.0 | 16.5 | 16.5 | 0.00 | 810 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Velarde Alarcon, JhoanaBOL+59.26.0 pts · #1
- 2Lutina Bueno, Leila DanielaBOL+8.84.5 pts · #2
- 3Camata Mamani, Alison EslendyBOL0.01.0 pts · #7
- 1Kilibarda Acebey, Veroska IsabelaBOL-27.24.0 pts · #3
- 2Ibanez Valdez, AnaliaBOL-16.04.0 pts · #4
- 3Garcia Vacaflor, ZuleykaBOL-14.82.0 pts · #8
- R5+155 Elo gap