Festival Sudamericano de la Juventud 2025 - Sub 18 Fem Ajedrez Clasico
Open SwissStandard
31 players participated in this 9-round tournament, held from 06 Dec 2025 to 11 Dec 2025 in Cali - VAL, Colombia. 6 titled players from 8 federations. Top 10 Elo average was 1931, and top seed was Isabela Brito Carrascal (🇨🇴 COL, 2053).
Nicole Mollo Figueroa (🇧🇴 BOL, WIM, 1911) won with 7.5/9, ahead of Karen Nerina Gaite (6.5) and Salome Chamba Guerrero (6.5). Mollo Figueroa won solo starting round 5.
The biggest upset came in round 1: Ariatna Valentina Melgarejo Suarez (1730) beat Karen Nerina Gaite (WFM, 2024), a +294-point gap.
Location
🇨🇴Cali - VAL, Colombia
Dates
06 Dec 2025 → 11 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 6
WIM×1
WFM×3
WCM×2
Federations · 8 represented
🇨🇴Colombia×18
🇪🇨Ecuador×4
🇨🇱Chile×3
🇧🇴Bolivia×2
🇵🇪Peru×1
🇦🇷Argentina×1
🇻🇪Venezuela×1
🇵🇾Paraguay×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsWIM Nicole Mollo Figueroa led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
13
6
3
2
1
1
1
1
1
R5–R9 · LEAD HELD
WIM Nicole Mollo Figueroa never relinquished the lead after R5; final gap +1.0 over the runner-up.
R8 · HEAD-TO-HEAD · WINNER VS 2ND
WIM Nicole Mollo Figueroa drew with Salome Chamba Guerrero (White).
WIN STREAKS · 3 top finishers
WIM Nicole Mollo Figueroa 6 wins (R1–R6)Salome Chamba Guerrero 3 wins (R3–R5)WFM Karen Nerina Gaite 5 wins (R2–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1WIMNicole Mollo Figueroa | * | ½ | ½ | 1 |
| 2Salome Chamba Guerrero | ½ | * | — | — |
| 3WFMKaren Nerina Gaite | ½ | — | * | 1 |
| 4Juana Fernanda Mendoza Gomez | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mollo Figueroa, NicoleWIM | 1911 | BOL | +14N | +20B | +4N | +9B | +10N | +5B | =2N | =3B | =8N | 7.5 | 45.5 | 49.5 | 40.25 | 2130 | +89.7 |
| 2 | Gaite, Karen NerinaWFM | 2024 | ARG | −16N | +18B | +22N | +13B | +9N | +10B | =1B | −4N | +5N | 6.5 | 43.5 | 47.0 | 32.75 | 1988 | -7.6 |
| 3 | Chamba Guerrero, Salome | 1674 | ECU | −6N | =26B | +14N | +20B | +16N | =4B | +13N | =1N | +10B | 6.5 | 43.0 | 45.5 | 31.50 | 1960 | +127.7 |
| 4 | Luna Monsalve, SofiaWFM | 1825 | COL | +26N | +5B | −1B | +25N | =11B | =3N | +6N | +2B | −7N | 6.0 | 46.5 | 49.0 | 29.75 | 1942 | +58.4 |
| 5 | Mendoza Gomez, Juana Fernanda | 1998 | COL | +23B | −4N | +19B | +12N | +7B | −1N | +10B | +9N | −2B | 6.0 | 45.5 | 49.0 | 29.00 | 1950 | -17.2 |
| 6 | Mayeregger Gonzalez, Renata ValentinaWFM | 1921 | PAR | +3B | +15N | −10B | −7N | +23B | +11N | −4B | +17N | +9B | 6.0 | 43.0 | 46.5 | 29.50 | 1928 | +4.0 |
| 7 | Illares Chumbi, Domenica Priscila | 1749 | ECU | =8N | =13B | +30N | +6B | −5N | −9B | +27B | +23N | +4B | 6.0 | 39.0 | 40.0 | 23.75 | 1952 | +82.4 |
| 8 | Brito Carrascal, Isabela | 2053 | COL | =7B | +21N | =12B | −11N | +17N | +18B | −9N | +14B | =1B | 5.5 | 42.5 | 46.5 | 27.25 | 1873 | -68.4 |
| 9 | Brito Marquez, Sophia Valentina | 1865 | VEN | +19B | +25N | +11B | −1N | −2B | +7N | +8B | −5B | −6N | 5.0 | 47.0 | 50.0 | 24.00 | 1904 | +18.8 |
| 10 | Pardo Useche, Laura Valentina | 1836 | COL | +27N | +30B | +6N | +16B | −1B | −2N | −5N | +13B | −3N | 5.0 | 44.0 | 45.0 | 18.50 | 1843 | +4.4 |
| 11 | Diaz Gonzalez, Ana Sofia | 1933 | COL | +22N | +17B | −9N | +8B | =4N | −6B | −12N | +18B | =15N | 5.0 | 41.5 | 45.0 | 23.50 | 1876 | -26.4 |
| 12 | Agudelo Zapata, Yarli AlejandraWCM | 1882 | COL | +18N | =16B | =8N | −5B | +22N | −13B | +11B | =15N | =17B | 5.0 | 40.0 | 43.5 | 22.75 | 1883 | +1.1 |
| 13 | Velarde Alarcon, Jhoana | 1891 | BOL | =21B | =7N | +23B | −2N | +27B | +12N | −3B | −10N | +25N | 5.0 | 39.5 | 41.5 | 18.50 | 1782 | -48.0 |
| 14 | Lara Aguirre, Maria Camila | 1653 | COL | −1B | +31N | −3B | −27N | +28B | +19N | +16B | −8N | +20B | 5.0 | 36.5 | 37.5 | 16.00 | 1740 | +31.2 |
| 15 | Gonzalez Gonzalez, Valentina Anto | 1788 | CHI | +29N | −6B | −16N | +30B | −18N | +26B | +22N | =12B | =11B | 5.0 | 33.0 | 34.0 | 14.00 | 1737 | -20.4 |
| 16 | Melgarejo Suarez, Ariatna Valentina | 1730 | COL | +2B | =12N | +15B | −10N | −3B | =17B | −14N | +21N | =19B | 4.5 | 42.0 | 46.0 | 22.50 | 1772 | +17.6 |
| 17 | Posada Torres, BriggithWCM | 1834 | COL | +28B | −11N | =25B | +29N | −8B | =16N | +21B | −6B | =12N | 4.5 | 35.0 | 37.0 | 14.25 | 1755 | -31.6 |
| 18 | Lopez Mahecha, Natalia | 1642 | COL | −12B | −2N | +31B | +28N | +15B | −8N | =23B | −11N | +26B | 4.5 | 35.0 | 36.0 | 12.25 | 1776 | +44.4 |
| 19 | Pichilingue Orbe, Camila Belen | 1617 | PER | −9N | +24B | −5N | −22B | +30N | −14B | +29N | +28B | =16N | 4.5 | 31.5 | 32.5 | 10.75 | 1685 | +24.4 |
| 20 | Fontecha Pastrana, Laura Sofia | 1773 | COL | +31B | −1N | =29B | −3N | =25B | −21N | +28N | +27B | −14N | 4.0 | 32.0 | 33.0 | 7.50 | 1551 | -95.2 |
| 21 | Herrera Idarraga, Karen Alejandra | 1643 | COL | =13N | −8B | −26N | =24B | +31N | +20B | −17N | −16B | +27N | 4.0 | 31.5 | 32.5 | 11.25 | 1694 | +12.0 |
| 22 | Alvarado Quintero, Laura Natalia | 1685 | COL | −11B | +28N | −2B | +19N | −12B | +25N | −15B | =26N | −24B | 3.5 | 35.0 | 37.0 | 10.75 | 1670 | -13.2 |
| 23 | Orbe Vivero, Maria Jose | 1711 | ECU | −5N | +27B | −13N | +26B | −6N | +29B | =18N | −7B | F | 3.5 | 34.0 | 34.0 | 8.75 | 1694 | -10.8 |
| 24 | Saravia Delgadillo, Sara Sofia | 1792 | COL | −25B | −19N | −28B | =21N | F | −27N | +30B | +31B | +22N | 3.5 | 21.0 | 21.0 | 7.50 | 1415 | -117.2 |
| 25 | Yeomans Luna, Elsie Maribel | 1541 | COL | +24N | −9B | =17N | −4B | =20N | −22B | +31N | F | −13B | 3.0 | 32.5 | 32.5 | 8.75 | 1652 | +29.6 |
| 26 | Zhunio Guaman, Sofia Morelia | 1570 | ECU | −4B | =3N | +21B | −23N | =29B | −15N | F | =22B | −18N | 2.5 | 35.0 | 35.0 | 10.00 | 1544 | -22.0 |
| 27 | Bohm Roman, Martina Eloisa | 1580 | CHI | −10B | −23N | F | +14B | −13N | +24B | −7N | −20N | −21B | 2.0 | 36.0 | 36.0 | 8.50 | 1564 | -9.2 |
| 28 | Vargas Martinez, Francisca Alejan | 1580 | CHI | −17N | −22B | +24N | −18B | −14N | F | −20B | −19N | +30B | 2.0 | 30.5 | 30.5 | 4.50 | 1404 | -52.0 |
| 29 | Castiblanco Bautista, Dana Gabriela | 1509 | COL | −15B | F | =20N | −17B | =26N | −23N | −19B | −30N | +31B | 2.0 | 26.0 | 26.0 | 4.25 | 1445 | -18.0 |
| 30 | Rodriguez Galvis, Samanta | 0 | COL | F | −10N | −7B | −15N | −19B | −31B | −24N | +29B | −28N | 1.0 | 29.0 | 29.0 | 2.00 | 1386 | 0.0 |
| 31 | Bravo Mora, Aidden Dennis | 0 | COL | −20N | −14B | −18N | F | −21B | +30N | −25B | −24N | −29N | 1.0 | 27.0 | 27.0 | 1.00 | 851 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Chamba Guerrero, SalomeECU+127.76.5 pts · #2
- 2Mollo Figueroa, NicoleWIMBOL+89.77.5 pts · #1
- 3Illares Chumbi, Domenica PriscilaECU+82.46.0 pts · #11
Top rating losers
- 1Saravia Delgadillo, Sara SofiaCOL-117.23.5 pts · #27
- 2Fontecha Pastrana, Laura SofiaCOL-95.24.0 pts · #23
- 3Brito Carrascal, IsabelaCOL-68.45.5 pts · #7
Biggest upsets
- R1+294 Elo gap
- R1+251 Elo gap
- R7+217 Elo gap