Torneo escalerilla categoria B Chess vina sub 1800 elo fide
19 players participated in this 4-round tournament, held on 13 Jul 2025 in Vina del Mar, Chile. Top 10 Elo average was 1543, and top seed was Alonso Cuevas Espinoza (🇨🇱 CHI, 1635).
Oscar Armando Castro Manriquez (🇨🇱 CHI, 0) won with 4.0/4, ahead of Rodrigo Cuevas Espinoza (3.5) and Sofia Rozas Verdejo (3.0).
The biggest upset came in round 1: Sofia Rozas Verdejo (1430) beat Giorgio Marazzi Andreo (1571), a +141-point gap.
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsOscar Armando Castro Manriquez led from R3; +0.5-point edge over the runner-up.
Oscar Armando Castro Manriquez held the sole lead from R3 through R4 without losing it.
Oscar Armando Castro Manriquez 4 wins (R1–R4)Rodrigo Cuevas Espinoza 3 wins (R2–R4)Christian Humberto Lucero Marquez 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Oscar Armando Castro Manriquez | * | — | — | 1 |
| 2Rodrigo Cuevas Espinoza | — | * | — | — |
| 3Christian Humberto Lucero Marquez | — | — | * | — |
| 4Sofia Rozas Verdejo | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Castro Manriquez, Oscar Armando | 0 | CHI | +12B | +3N | +8B | +6N | 4.0 | 7.5 | 9.0 | 9.00 | 1586 | 0.0 |
| 2 | Cuevas Espinoza, Rodrigo | 1566 | CHI | =13N | +7B | +9N | +5B | 3.5 | 7.0 | 8.5 | 7.75 | 2369 | +60.8 |
| 3 | Rozas Verdejo, Sofia | 1430 | CHI | +11N | −1B | +14N | +10B | 3.0 | 8.0 | 9.0 | 5.00 | 2371 | +27.6 |
| 4 | Lucero Marquez, Christian Humberto | 0 | CHI | −5N | +15B | +12B | +8N | 3.0 | 6.0 | 7.0 | 4.50 | 1594 | 0.0 |
| 5 | Gonzalez Osorio, Rafael | 1623 | CHI | +4B | +17N | =6B | −2N | 2.5 | 9.0 | 10.0 | 5.25 | 1338 | -30.0 |
| 6 | Hernandez Barrientos, Pedro | 1496 | CHI | +10N | +14B | =5N | −1B | 2.5 | 8.5 | 9.5 | 4.25 | 1623 | +6.8 |
| 7 | Cuevas Espinoza, Alonso | 1635 | CHI | =9B | −2N | +17B | +15N | 2.5 | 6.5 | 7.5 | 3.00 | 1502 | -21.6 |
| 8 | Rojas Warles, Constanza | 1607 | CHI | +16N | +18B | −1N | −4B | 2.0 | 8.0 | 9.0 | 2.00 | 2236 | +10.8 |
| 9 | Martinez Campos, Rodrigo | 1445 | CHI | =7N | +13B | −2B | =12N | 2.0 | 7.5 | 9.0 | 3.50 | 1439 | -1.2 |
| 10 | FIDE 3483436 | 0 | — | −6B | +?N | +16B | −3N | 2.0 | 6.5 | 6.5 | 1.00 | 1465 | 0.0 |
| 11 | Marazzi Andreo, Giorgio | 1571 | CHI | −3B | −12N | +13N | +16B | 2.0 | 6.0 | 7.0 | 2.50 | 1327 | -39.2 |
| 12 | Arellano Bastidas, Francisco Javier | 1490 | CHI | −1N | +11B | −4N | =9B | 1.5 | 9.0 | 11.0 | 3.00 | 1702 | +22.0 |
| 13 | Bravo Melis, Sebastian Antonio | 0 | CHI | =2B | −9N | −11B | +14B | 1.5 | 7.5 | 8.5 | 2.75 | 1255 | 0.0 |
| 14 | FIDE 3460380 | 0 | — | +?B | −6N | −3B | −13N | 1.0 | 7.0 | 7.0 | 0.00 | 1349 | 0.0 |
| 15 | Thompson Vasquez, Emily Catalina | 1495 | CHI | −18B | −4N | +19N | −7B | 1.0 | 6.5 | 6.5 | 0.00 | 1569 | +8.0 |
| 16 | Lucero Suez, Simon | 1436 | CHI | −8B | +19B | −10N | −11N | 1.0 | 6.0 | 6.0 | 0.00 | 1435 | 0.0 |
| 17 | Quezada Quijada, Sofia | 0 | CHI | +19N | −5B | −7N | F | 1.0 | 5.0 | 5.0 | 0.00 | 1462 | 0.0 |
| 18 | Martinez Osorio, Agustin Alonso | 0 | CHI | +15N | −8N | F | F | 1.0 | 3.0 | 3.0 | 1.00 | 1551 | 0.0 |
| 19 | Gonzalez Flores, Jorge | 1500 | CHI | −17B | −16N | −15B | F | 0.0 | 3.0 | 3.0 | 0.00 | 666 | -44.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Cuevas Espinoza, RodrigoCHI+60.83.5 pts · #3
- 2Rozas Verdejo, SofiaCHI+27.63.0 pts · #15
- 3Arellano Bastidas, Francisco JavierCHI+22.01.5 pts · #6
- 1Gonzalez Flores, JorgeCHI-44.00.0 pts · #19
- 2Marazzi Andreo, GiorgioCHI-39.22.0 pts · #9
- 3Gonzalez Osorio, RafaelCHI-30.02.5 pts · #18
- R1+141 Elo gap