IRT SUB 1800 Clasificatorio Final de Chile Absoluta 2026 Club Cordillera
30 players participated in this 6-round tournament, held from 10 Jan 2026 to 11 Jan 2026 in Santiago, Chile. Top 10 Elo average was 1642, and top seed was Sebastian Anto Carvajal Arellano (🇨🇱 CHI, 1795).
Sebastian Anto Carvajal Arellano (🇨🇱 CHI, 1795) won with 5.5/6, ahead of Gonzalo Alonso Rodriguez Arellano (5.0) and Sofia Catalina Gonzalez Fuentealba (4.5). Carvajal Arellano won solo starting round 5.
The biggest upset came in round 6: Manuel Enrique Plaza Bustos (1484) beat Michel Rossi Nunez (1697), a +213-point gap.
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How it unfolded
Top 6 · 6 roundsSebastian Anto Carvajal Arellano led from R5; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R5.
Sebastian Anto Carvajal Arellano held the sole lead from R5 through R6 without losing it.
Sebastian Anto Carvajal Arellano 3 wins (R1–R3)Gonzalo Alonso Rodriguez Arellano 4 wins (R3–R6)
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Carvajal Arellano, Sebastian Anto | 1795 | CHI | +6N | +17B | +9N | =5B | +4N | +7B | 5.5 | 19.5 | 22.5 | 20.50 | 2004 | +40.8 |
| 2 | Rodriguez Arellano, Gonzalo Alonso | 1532 | CHI | +22N | −9B | +15N | +6B | +14N | +5B | 5.0 | 17.5 | 19.5 | 16.00 | 1790 | +52.8 |
| 3 | Gonzalez Fuentealba, Sofia Catalina | 1499 | CHI | +29N | +27B | −4N | +21B | =8B | +12N | 4.5 | 14.5 | 15.5 | 9.50 | 1700 | +20.4 |
| 4 | Cuadros Betancur, Christian | 1767 | CHI | +13B | =7N | +3B | +10N | −1B | =8N | 4.0 | 21.5 | 25.0 | 15.50 | 1765 | +1.2 |
| 5 | Munoz Venegas, Vicente | 1710 | CHI | +15N | +19B | +14N | =1N | =7B | −2N | 4.0 | 20.5 | 23.0 | 13.25 | 1679 | -5.6 |
| 6 | Plaza Bustos, Manuel Enrique | 1484 | CHI | −1B | +26N | +11B | −2N | +10B | +16N | 4.0 | 20.5 | 22.5 | 12.00 | 1638 | +30.0 |
| 7 | Valencia Oyarzun, Mario Jose | 0 | CHI | +18N | =4B | +27N | +9B | =5N | −1N | 4.0 | 19.5 | 20.5 | 11.00 | 1741 | 0.0 |
| 8 | Carvallo Lancellotti, Benjamin | 0 | CHI | F | +30N | +16B | +18B | =3N | =4B | 4.0 | 14.0 | 14.0 | 9.75 | 1675 | 0.0 |
| 9 | Kautz Saldivia, Benjamin Ignacio | 1700 | CHI | +24B | +2N | −1B | −7N | +15B | =11N | 3.5 | 21.0 | 23.0 | 11.75 | 1708 | +1.6 |
| 10 | Manasevich Tolosa, Carlos Jose | 1524 | CHI | =21N | +23B | +12N | −4B | −6N | +14B | 3.5 | 16.5 | 18.5 | 9.50 | 1569 | +4.2 |
| 11 | Zapiola, Dario Alejandro | 0 | CHI | −14N | +28B | −6N | +17B | +23N | =9B | 3.5 | 15.5 | 16.5 | 7.75 | 1547 | 0.0 |
| 12 | Schuwirth Montero, Jose Tomas | 0 | CHI | +23N | =21B | −10B | +24N | +20B | −3B | 3.5 | 14.5 | 16.5 | 7.50 | 1508 | 0.0 |
| 13 | Segovia Ganzur, Valentina Laura | 1467 | CHI | −4N | =18B | −21N | +22B | +19N | +23B | 3.5 | 13.0 | 15.0 | 7.75 | 1730 | +40.4 |
| 14 | Contreras Alvarez, Julio Cesar | 1490 | CHI | +11B | +16N | −5B | +20N | −2B | −10N | 3.0 | 19.0 | 21.5 | 9.00 | 1514 | +4.8 |
| 15 | Saavedra Olivares, Elias | 0 | CHI | −5B | +25N | −2B | +27B | −9N | +24N | 3.0 | 16.5 | 17.5 | 5.00 | 1527 | 0.0 |
| 16 | Rossi Nunez, Michel | 1697 | CHI | +28N | −14B | −8N | +19B | +21N | −6B | 3.0 | 15.5 | 16.5 | 5.50 | 1372 | -51.2 |
| 17 | Flores Diaz, Valentin Alejandro | 1527 | CHI | +30B | −1N | −20B | −11N | +22B | +25N | 3.0 | 15.5 | 15.5 | 4.00 | 830 | -30.4 |
| 18 | Monroy Melo, Martin Daniel | 0 | CHI | −7B | =13N | +28B | −8N | =24B | =20N | 2.5 | 16.0 | 17.0 | 5.00 | 1451 | 0.0 |
| 19 | Martinez Rodriguez, Edmundo | 1515 | CHI | +25B | −5N | =24B | −16N | −13B | +21B | 2.5 | 14.5 | 16.5 | 5.00 | 1252 | -24.2 |
| 20 | Mejia Mora, Javier Alonso | 1463 | CHI | F | +22B | +17N | −14B | −12N | =18B | 2.5 | 14.0 | 14.0 | 6.25 | 1509 | +5.2 |
| 21 | Farias Beseler, Bernardita | 0 | CHI | =10B | =12N | +13B | −3N | −16B | −19N | 2.0 | 18.0 | 20.5 | 7.00 | 1392 | 0.0 |
| 22 | Vergara Tabilo, Mateo Gabriel | 0 | CHI | −2B | −20N | +25B | −13N | −17N | +29B | 2.0 | 16.0 | 17.0 | 3.00 | 698 | 0.0 |
| 23 | Espinoza Negrete, Mauricio Benjamin | 1535 | CHI | −12B | −10N | +30B | +26N | −11B | −13N | 2.0 | 16.0 | 16.0 | 2.00 | 697 | -44.0 |
| 24 | Farias Beseler, Cristobal | 1420 | CHI | −9N | +29B | =19N | −12B | =18N | −15B | 2.0 | 15.0 | 16.0 | 3.50 | 1415 | -1.6 |
| 25 | Placencia Espinosa, Mathilde | 0 | CHI | −19N | −15B | −22N | +28N | +26B | −17B | 2.0 | 12.5 | 13.5 | 3.00 | 722 | 0.0 |
| 26 | FIDE 3484688 | 0 | — | −27N | −6B | +29N | −23B | −25N | +30B | 2.0 | 10.0 | 10.0 | 1.00 | 750 | 0.0 |
| 27 | Lincopi Bruch, Carlos Felipe | 1632 | CHI | +26B | −3N | −7B | −15N | F | F | 1.0 | 13.5 | 13.5 | 2.00 | 699 | -27.2 |
| 28 | FIDE 3483002 | 0 | — | −16B | −11N | −18N | −25B | +29N | −?B | 1.0 | 12.0 | 12.0 | 1.00 | 768 | 0.0 |
| 29 | FIDE 3489582 | 0 | — | −3B | −24N | −26B | +30N | −28B | −22N | 1.0 | 11.5 | 11.5 | 0.00 | 661 | 0.0 |
| 30 | FIDE 3478106 | 0 | — | −17N | −8B | −23N | −29B | −?N | −26N | 0.0 | 12.0 | 12.0 | 0.00 | 699 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Rodriguez Arellano, Gonzalo AlonsoCHI+52.85.0 pts · #2
- 2Carvajal Arellano, Sebastian AntoCHI+40.85.5 pts · #1
- 3Segovia Ganzur, Valentina LauraCHI+40.43.5 pts · #9
- 1Rossi Nunez, MichelCHI-51.23.0 pts · #17
- 2Espinoza Negrete, Mauricio BenjaminCHI-44.02.0 pts · #26
- 3Flores Diaz, Valentin AlejandroCHI-30.43.0 pts · #30
- R6+213 Elo gap
- R2+207 Elo gap
- R6+178 Elo gap