IRT Sub 1800 Clasificatorio a Final de Chile
17 players participated in this 6-round tournament, held from 20 Dec 2025 to 21 Dec 2025 in La Florida, Chile. Top 10 Elo average was 1642, and top seed was Matias Marc Bustamante Chavez (🇨🇱 CHI, 1796).
Moises Cisneros Huamancayo (🇨🇱 CHI, 1549) won with 5.0/6, ahead of Alvaro Vicente Vega Llanos (4.5) and Dario Jose Saa Rojas (4.5). Cisneros Huamancayo clinched sole first place in the final round.
The biggest upset came in round 1: Agustin Javier Moya Fuentes (1561) beat Matias Marc Bustamante Chavez (1796), a +235-point gap.
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How it unfolded
Top 6 · 6 roundsMoises Cisneros Huamancayo led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.
Moises Cisneros Huamancayo held the sole lead from R6 through R6 without losing it.
Moises Cisneros Huamancayo beat Dario Jose Saa Rojas (White).
Moises Cisneros Huamancayo 5 wins (R2–R6)Dario Jose Saa Rojas 3 wins (R1–R3)Alvaro Vicente Vega Llanos 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Moises Cisneros Huamancayo | * | 1 | 0 | — |
| 2Dario Jose Saa Rojas | 0 | * | ½ | — |
| 3Alvaro Vicente Vega Llanos | 1 | ½ | * | 1 |
| 4Sidney Nicolas Medling Vivar | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cisneros Huamancayo, Moises | 1549 | CHI | −2B | +13N | +16B | +8N | +5N | +3B | 5.0 | 17.0 | 17.5 | 13.00 | 1893 | +87.2 |
| 2 | Vega Llanos, Alvaro Vicente | 1746 | CHI | +1N | +5B | +6N | =3B | +7N | −4B | 4.5 | 21.5 | 25.0 | 18.75 | 1784 | +12.4 |
| 3 | Saa Rojas, Dario Jose | 1725 | CHI | +14B | +4N | +11B | =2N | +9B | −1N | 4.5 | 17.5 | 18.5 | 11.25 | 1823 | +15.2 |
| 4 | Donoso Chavez, Mateo Isaias | 1576 | CHI | +17N | −3B | −7N | +13B | +12B | +2N | 4.0 | 15.5 | 15.5 | 7.50 | 1523 | -8.8 |
| 5 | Gonzalez Bermedo, Cristian Andres | 1585 | CHI | +13B | −2N | +17B | +10N | −1B | +9N | 4.0 | 14.5 | 14.5 | 5.00 | 1572 | -2.8 |
| 6 | Medling Vivar, Sidney Nicolas | 1636 | CHI | +10B | +8N | −2B | −7B | +15N | +14N | 4.0 | 14.0 | 15.0 | 7.00 | 1615 | -4.4 |
| 7 | Ramirez Castello, Vicente | 1473 | CHI | =16B | +14N | +4B | +6N | −2B | −8N | 3.5 | 16.5 | 17.0 | 9.25 | 1670 | +63.6 |
| 8 | Moya Fuentes, Agustin Javier | 1561 | CHI | +9N | −6B | +15N | −1B | F | +7B | 3.0 | 16.5 | 17.5 | 6.50 | 1647 | +22.4 |
| 9 | Bustamante Chavez, Matias Marc | 1796 | CHI | −8B | +16N | +10B | F | −3N | −5B | 2.0 | 15.5 | 16.0 | 2.50 | 1437 | -37.2 |
| 10 | Avila Miranda, Raimundo | 0 | CHI | −6N | +12B | −9N | −5B | +13N | F | 2.0 | 13.0 | 13.0 | 3.00 | 872 | 0.0 |
| 11 | Rodriguez Perez, Jorge Barbarito | 1599 | CHI | +12N | +15B | −3N | F | F | F | 2.0 | 12.5 | 12.5 | 3.00 | 1574 | -1.2 |
| 12 | Vasquez Araos, Sebastian Ignacio | 0 | CHI | −11B | −10N | +14B | F | −4N | +15B | 2.0 | 10.0 | 10.5 | 2.00 | 1528 | 0.0 |
| 13 | Vasquez Herrera, Andrea | 0 | CHI | −5N | −1B | F | −4N | −10B | +17N | 1.0 | 15.0 | 15.0 | 0.00 | 770 | 0.0 |
| 14 | Segovia Ganzur, Valentina Laura | 1503 | CHI | −3N | −7B | −12N | F | +17B | −6B | 1.0 | 14.0 | 14.0 | 0.00 | 812 | -44.4 |
| 15 | Duenas Pernigotti, Sebastian Paolo | 1424 | CHI | F | −11N | −8B | +17N | −6B | −12N | 1.0 | 11.0 | 11.0 | 0.00 | 799 | -32.4 |
| 16 | Ros Rodriguez, Jorge | 1646 | CHI | =7N | −9B | −1N | F | F | F | 0.5 | 12.5 | 12.5 | 1.75 | 1333 | -46.4 |
| 17 | FIDE 3483800 | 0 | — | −4B | F | −5N | −15B | −14N | −13B | 0.0 | 11.0 | 11.0 | 0.00 | 724 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Cisneros Huamancayo, MoisesCHI+87.25.0 pts · #3
- 2Ramirez Castello, VicenteCHI+63.63.5 pts · #4
- 3Moya Fuentes, Agustin JavierCHI+22.43.0 pts · #6
- 1Ros Rodriguez, JorgeCHI-46.40.5 pts · #12
- 2Segovia Ganzur, Valentina LauraCHI-44.41.0 pts · #14
- 3Bustamante Chavez, Matias MarcCHI-37.22.0 pts · #8
- R1+235 Elo gap
- R6+211 Elo gap
- R6+176 Elo gap