CAMPEONATO NACIONAL ESCOLAR U15 FEMENINO GUAYAQUIL 2025
17 players participated in this 7-round tournament, held from 26 Jun 2025 to 28 Jun 2025 in Guayaquil, Ecuador. Top 10 Elo average was 1197, and top seed was Toala Velez Dayra Jamileth (🇪🇨 ECU, WCM, 1797).
Alejandra Isabe Trivino Martinez (🇪🇨 ECU, 1621) won with 5.5/7, ahead of Ashley Elizabeth Toala Choez (5.5) and Salome Ruiz Arends (5.0). Trivino Martinez shared the lead from round 1, winning on tie-break.
The biggest upset came in round 3: Salome Ruiz Arends (1418) beat Valezka Ailyn Toala Correa (1597), a +179-point gap.
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How it unfolded
Top 6 · 7 roundsTight race until R3; 2 players tied at 5.5/7, decided on Buchholz.
Alejandra Isabe Trivino Martinez held the sole lead from R3 through R7 without losing it.
2 players finish on 5.5/7. Trivino Martinez takes the title on Buchholz Cut1 (28.0).
Alejandra Isabe Trivino Martinez drew with Ashley Elizabeth Toala Choez (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Alejandra Isabe Trivino Martinez | * | ½ | ½ | 1 |
| 2Ashley Elizabeth Toala Choez | ½ | * | ½ | — |
| 3Salome Ruiz Arends | ½ | ½ | * | — |
| 4Fiorella Luana Romero Lino | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Trivino Martinez, Alejandra Isabe | 1621 | ECU | +17N | +5B | +6N | =3B | =2N | =4N | +7B | 5.5 | 28.0 | 28.0 | 20.50 | 1542 | -16.4 |
| 2 | Toala Choez, Ashley Elizabeth | 1481 | ECU | =8B | =3N | +11B | +15N | =1B | +10B | +4N | 5.5 | 25.5 | 26.5 | 19.25 | 1616 | +21.2 |
| 3 | Ruiz Arends, Salome | 1418 | ECU | +7N | =2B | +10N | =1N | −4B | +11B | +5B | 5.0 | 27.5 | 30.5 | 20.50 | 1498 | +16.8 |
| 4 | Cedeno Morales, Sherick Patricia | 1435 | ECU | +11B | −6N | +12B | +8N | +3N | =1B | −2B | 4.5 | 27.5 | 29.5 | 16.75 | 1507 | +11.6 |
| 5 | Angulo Rojas, Angelly Sophia De N | 1463 | ECU | +14B | −1N | +8B | =7N | +9B | +6B | −3N | 4.5 | 27.0 | 29.0 | 16.50 | 1370 | -13.6 |
| 6 | Romero Lino, Fiorella Luana | 1509 | ECU | +15N | +4B | −1B | +9N | =7B | −5N | +10N | 4.5 | 26.0 | 27.0 | 15.00 | 1489 | 0.0 |
| 7 | Zambrano Prado, Mariangel | 0 | ECU | −3B | +13N | +?B | =5B | =6N | +12N | −1N | 4.0 | 23.5 | 23.5 | 8.50 | 1224 | 0.0 |
| 8 | FIDE 3646246 | 0 | — | =2N | +?B | −5N | −4B | +16B | =9N | +12B | 4.0 | 21.5 | 21.5 | 7.75 | 1261 | 0.0 |
| 9 | Guaman Cabrera, Victoria Rafaela | 1447 | ECU | +12N | =10B | +16N | −6B | −5N | =8B | +13N | 4.0 | 20.5 | 21.5 | 8.75 | 653 | -19.6 |
| 10 | Toala Correa, Valezka Ailyn | 1597 | ECU | +13B | =9N | −3B | +16N | +15B | −2N | −6B | 3.5 | 22.0 | 23.0 | 6.00 | 1176 | 0.0 |
| 11 | Yance Macias, Milka Jamileth | 0 | ECU | −4N | +17B | −2N | +?B | +14B | −3N | F | 3.0 | 17.0 | 17.0 | 2.00 | 645 | 0.0 |
| 12 | FIDE 3661288 | 0 | — | −9B | F | −4N | +13B | +?N | −7B | −8N | 2.0 | 18.5 | 18.5 | 2.00 | 641 | 0.0 |
| 13 | FIDE 3670732 | 0 | — | −10N | −7B | F | −12N | +17N | +15B | −9B | 2.0 | 14.5 | 14.5 | 1.00 | 647 | 0.0 |
| 14 | FIDE 3670767 | 0 | — | −5N | F | F | +17B | −11N | −?B | +16N | 2.0 | 9.5 | 9.5 | 1.00 | 653 | 0.0 |
| 15 | FIDE 3670740 | 0 | — | −6B | F | F | −2B | −10N | −13N | +17B | 1.0 | 17.5 | 17.5 | 0.00 | 682 | 0.0 |
| 16 | FIDE 3668657 | 0 | — | F | +?N | −9B | −10B | −8N | F | −14B | 1.0 | 13.5 | 13.5 | 0.00 | 647 | 0.0 |
| 17 | FIDE 3670724 | 0 | — | −1B | −11N | F | −14N | −13B | −?N | −15N | 0.0 | 13.5 | 13.5 | 0.00 | 821 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Toala Choez, Ashley ElizabethECU+21.25.5 pts · #2
- 2Ruiz Arends, SalomeECU+16.85.0 pts · #4
- 3Cedeno Morales, Sherick PatriciaECU+11.64.5 pts · #5
- 1Guaman Cabrera, Victoria RafaelaECU-19.64.0 pts · #13
- 2Trivino Martinez, Alejandra IsabeECU-16.45.5 pts · #1
- 3Angulo Rojas, Angelly Sophia De NECU-13.64.5 pts · #7
- R3+179 Elo gap
- R6+116 Elo gap