SUDAMERICANO ESCOLAR IMPAR U15 ABSOLUTO 2025
Open SwissStandard
44 players participated in this 9-round tournament, held from 30 Jun 2025 to 05 Jul 2025 in Temuco Region de La Araucania, Chile. 1 titled players from 3 federations. Top 10 Elo average was 1879, and top seed was Richard Alejandro Rueda Rojas (🇨🇴 COL, FM, 2090).
Richard Alejandro Rueda Rojas (🇨🇴 COL, FM, 2090) won with 8.0/9, ahead of Javier Alonso Arias Diaz (8.0) and Andres Camilo Soto Ramirez (6.0). Rueda Rojas won on tie-break after catching the field in the final round.
The biggest upset came in round 1: Martin Ignac Sepulveda Caniullan (1501) beat Martin Hati Branes Castillo (1878), a +377-point gap.
Location
🇨🇱Temuco Region de La Araucania, Chile
Dates
30 Jun 2025 → 05 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Titled players · 1
FM×1
Federations · 3 represented
🇨🇱Chile×37
🇨🇴Colombia×2
🇧🇴Bolivia×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R9; 2 players tied at 8.0/9, decided on Buchholz.
Co-leaders
18
9
2
1
1
1
1
1
2
R9 · TIEBREAK CLUSTER
2 players finish on 8.0/9. Rueda Rojas takes the title on Buchholz Cut1 (46.0).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
FM Richard Alejandro Rueda Rojas drew with Javier Alonso Arias Diaz (White).
WIN STREAKS · 2 top finishers
FM Richard Alejandro Rueda Rojas 4 wins (R6–R9)Javier Alonso Arias Diaz 4+3 wins (R1–R4, R6–R8)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMRichard Alejandro Rueda Rojas | * | ½ | 1 | 1 |
| 2Javier Alonso Arias Diaz | ½ | * | ½ | 1 |
| 3Andres Camilo Soto Ramirez | 0 | ½ | * | 0 |
| 4Suraj Sriram Nandwani Narwani | 0 | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rueda Rojas, Richard AlejandroFM | 2090 | COL | +19B | =10N | +15B | +13N | =2B | +4N | +3B | +16N | +8B | 8.0 | 46.0 | 51.0 | 44.25 | 2163 | +24.4 |
| 2 | Arias Diaz, Javier Alonso | 1962 | CHI | +36N | +11B | +9N | +4B | =1N | +14B | +17N | +13B | =3N | 8.0 | 46.0 | 49.5 | 42.50 | 2144 | +49.8 |
| 3 | Soto Ramirez, Andres Camilo | 1936 | COL | +25N | +7B | =8N | +12B | −4N | +9B | −1N | +11B | =2B | 6.0 | 50.0 | 54.5 | 33.75 | 1900 | -8.0 |
| 4 | Nandwani Narwani, Suraj Sriram | 1806 | CHI | +34B | +18N | +17B | −2N | +3B | −1B | =8N | +15N | =5B | 6.0 | 48.5 | 52.0 | 30.25 | 1914 | +52.8 |
| 5 | Lodge Bravo, Lucas | 1959 | CHI | +26B | −15N | +21B | =8B | =18N | +6B | =9N | +17B | =4N | 6.0 | 42.5 | 47.0 | 31.00 | 1787 | -60.4 |
| 6 | Paredes Santana, Jeremias Andres | 1550 | CHI | =30B | −14N | +34B | =26N | +29B | −5N | +22B | +25N | +13N | 6.0 | 37.5 | 41.0 | 25.75 | 1764 | +84.0 |
| 7 | Fuentes Chamorro, Javier | 1606 | CHI | +42B | −3N | +38B | −9B | =21N | =32B | +20N | +28N | +16B | 6.0 | 36.0 | 37.5 | 22.00 | 1761 | +53.6 |
| 8 | Chocair Quilaleo. Abraham Alejandro | 1784 | CHI | +31B | +20N | =3B | =5N | =15B | =13N | =4B | +9B | −1N | 5.5 | 46.5 | 50.5 | 28.50 | 1869 | +39.6 |
| 9 | Mamani Alvino, Esdras Adrian | 1804 | BOL | +22N | +41B | −2B | +7N | +10B | −3N | =5B | −8N | +24B | 5.5 | 46.0 | 48.5 | 26.00 | 1794 | +4.8 |
| 10 | Mendoza Rivers, Renato Alberto | 1667 | CHI | +35N | =1B | =14B | +19N | −9N | +18B | −16N | =12B | +23N | 5.5 | 43.5 | 47.0 | 27.25 | 1763 | +44.0 |
| 11 | Moreira Roldan, Leonardo | 1666 | CHI | +32B | −2N | +29B | +23N | −14B | +15N | =24B | −3N | +22B | 5.5 | 41.5 | 45.0 | 23.75 | 1701 | +13.6 |
| 12 | Bravo Nail, Tomas Osvaldo Alejand | 1702 | CHI | +29B | +21N | =13B | −3N | +24B | −17N | =28B | =10N | +26B | 5.5 | 39.0 | 43.0 | 24.75 | 1716 | +8.4 |
| 13 | Allende Munoz, Daniel Alonso | 1857 | CHI | +28N | +24B | =12N | −1B | +25N | =8B | +14N | −2N | −6B | 5.0 | 47.0 | 51.0 | 23.50 | 1757 | -35.7 |
| 14 | Hernandez Olave, Angelo | 1713 | CHI | =23N | +6B | =10N | +27B | +11N | −2N | −13B | =18B | =17N | 5.0 | 44.5 | 49.0 | 26.00 | 1709 | -4.4 |
| 15 | Lopez Vivanco, Gregorio | 1627 | CHI | +44N | +5B | −1N | +16B | =8N | −11B | +32N | −4B | =18N | 5.0 | 44.5 | 44.5 | 19.75 | 1762 | +41.2 |
| 16 | Branes Castillo, Martin Hati | 1878 | CHI | −21B | +31N | +28B | −15N | +23B | +26N | +10B | −1B | −7N | 5.0 | 42.0 | 46.0 | 22.50 | 1650 | -88.0 |
| 17 | Ros Rodriguez, Jorge | 1691 | CHI | +38N | +39B | −4N | =25B | +33N | +12B | −2B | −5N | =14B | 5.0 | 41.0 | 43.5 | 18.75 | 1681 | -7.2 |
| 18 | Contreras Herrera, Sebastian Andres | 1550 | CHI | +37N | −4B | =22N | +39B | =5B | −10N | +31B | =14N | =15B | 5.0 | 39.0 | 41.5 | 19.75 | 1626 | +20.8 |
| 19 | Montan Berdejo, Ismael Dhiago | 1552 | CHI | −1N | +35B | +41N | −10B | −32N | =21B | =38N | +37B | +30N | 5.0 | 34.5 | 37.0 | 16.50 | 1566 | -1.2 |
| 20 | Feest Barrientos, Valentin Sebast | 1545 | CHI | +43N | −8B | −23N | −33N | +37B | +29N | −7B | +36B | +28N | 5.0 | 34.0 | 35.0 | 15.50 | 1559 | +3.6 |
| 21 | Sepulveda Caniullan, Martin Ignac | 1501 | CHI | +16N | −12B | −5N | +35B | =7B | =19N | =26B | −22N | +34B | 4.5 | 40.0 | 43.5 | 19.75 | 1615 | +46.4 |
| 22 | Fernandez Leon, Baltazar Agustin | 1484 | CHI | −9B | +37N | =18B | −24N | +34N | +27B | −6N | +21B | −11N | 4.5 | 39.0 | 42.0 | 18.00 | 1549 | +24.0 |
| 23 | Flores Diaz, Valentin Alejandro | 1470 | CHI | =14B | =33N | +20B | −11B | −16N | +35N | +27B | =24N | −10B | 4.5 | 38.5 | 42.0 | 19.50 | 1632 | +63.6 |
| 24 | Barria Cardenas, Maximo | 1602 | CHI | +40N | −13N | =33B | +22B | −12N | +25B | =11N | =23B | −9N | 4.5 | 38.5 | 41.0 | 18.25 | 1592 | -6.4 |
| 25 | Saa Manriquez, Federico Tomas | 1512 | CHI | −3B | +32N | +30B | =17N | −13B | −24N | +39N | −6B | +38N | 4.5 | 36.5 | 39.0 | 15.00 | 1485 | -14.4 |
| 26 | Sotomayor Sotomayor, Martin Gabriel | 1512 | CHI | −5N | +44B | =39N | =6B | +41N | −16B | =21N | +32B | −12N | 4.5 | 35.5 | 35.5 | 12.50 | 1535 | -1.6 |
| 27 | Barrientos Alvarado, Mateo Alexis | 1577 | CHI | =33B | =30N | +43B | −14N | =28B | −22N | −23N | +39B | +32N | 4.5 | 31.5 | 32.5 | 12.75 | 1219 | -68.0 |
| 28 | Oliva Quiero, Abraham Agustin | 1495 | CHI | −13B | +42N | −16N | +40B | =27N | +33B | =12N | −7B | −20B | 4.0 | 37.0 | 38.5 | 12.50 | 1422 | -23.2 |
| 29 | Loosli Apablaza, Carlos | 1461 | CHI | −12N | +36B | −11N | +43B | −6N | −20B | +33N | −30B | +37N | 4.0 | 36.0 | 37.0 | 11.00 | 1358 | -24.8 |
| 30 | Mendez Calderon, Christian | 0 | BOL | =6N | =27B | −25N | −34B | =38N | =36B | +40N | +29N | −19B | 4.0 | 33.5 | 36.0 | 14.75 | 1428 | 0.0 |
| 31 | Palmieri Buitrago, Santiago Aleja | 1470 | CHI | −8N | −16B | =40N | =36B | +43N | +41B | −18N | =38B | =35N | 4.0 | 30.0 | 31.0 | 9.50 | 1473 | -11.2 |
| 32 | Bonvallet Arancibia, Lucas Andres | 0 | CHI | −11N | −25B | +44N | +38B | +19B | =7N | −15B | −26N | −27B | 3.5 | 37.5 | 37.5 | 10.50 | 1423 | +6.4 |
| 33 | Gnecco Ulloa, Mauro Ignacio | 0 | CHI | =27N | =23B | =24N | +20B | −17B | −28N | −29B | −34N | +40N | 3.5 | 35.0 | 37.5 | 14.25 | 1400 | 0.0 |
| 34 | Cancino Castro, Diego Eduardo | 1484 | CHI | −4N | =40B | −6N | +30N | −22B | −39B | +42N | +33B | −21N | 3.5 | 33.5 | 35.0 | 10.25 | 786 | -60.8 |
| 35 | Gonzalez Venteo, Sebastian Ignacio | 1405 | CHI | −10B | −19N | +37B | −21N | +39N | −23B | −36N | +42B | =31B | 3.5 | 32.5 | 34.0 | 9.00 | 1132 | -60.0 |
| 36 | Barreda Cruz, Said Alejandro | 1522 | CHI | −2B | −29N | −42B | =31N | +44B | =30N | +35B | −20N | =41N | 3.5 | 32.5 | 32.5 | 8.75 | 1414 | -40.4 |
| 37 | Leonelli Diaz, Gabriel Antonio | 0 | CHI | −18B | −22B | −35N | +44B | −20N | +40B | +41N | −19N | −29B | 3.0 | 32.0 | 32.0 | 5.00 | 1179 | 0.0 |
| 38 | Velasquez Velasquez, Gabriel Ignacio | 1452 | CHI | −17B | F | −7N | −32N | =30B | +42N | =19B | =31N | −25B | 2.5 | 33.5 | 33.5 | 8.00 | 1329 | -29.6 |
| 39 | Soto Gonzalez, Jaime Ignacio | 0 | CHI | F | −17N | =26B | −18N | −35B | +34N | −25B | −27N | +43B | 2.5 | 31.5 | 31.5 | 6.75 | 1304 | 0.0 |
| 40 | Contreras Godoy, Miguel Ibrahim | 0 | CHI | −24B | =34N | =31B | −28N | =42B | −37N | −30B | +44N | −33B | 2.5 | 28.0 | 28.0 | 4.50 | 1322 | 0.0 |
| 41 | Guerrero Obando, Antu Martin | 1413 | CHI | F | −9N | −19B | +42N | −26B | −31N | −37B | +43N | =36B | 2.5 | 28.0 | 28.0 | 4.25 | 1209 | -40.8 |
| 42 | FIDE 3476340 | 0 | — | −7N | −28B | +36N | −41B | =40N | −38B | −34B | −35N | F | 1.5 | 28.0 | 28.0 | 4.75 | 1175 | 0.0 |
| 43 | FIDE 3485919 | 0 | — | −20B | F | −27N | −29N | −31B | F | +44N | −41B | −39N | 1.0 | 22.5 | 22.5 | 0.00 | 695 | 0.0 |
| 44 | FIDE 3481140 | 0 | — | −15B | −26N | −32B | −37N | −36N | F | −43B | −40B | F | 0.0 | 24.5 | 25.5 | 0.00 | 755 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Paredes Santana, Jeremias AndresCHI+84.06.0 pts · #9
- 2Flores Diaz, Valentin AlejandroCHI+63.64.5 pts · #17
- 3Fuentes Chamorro, JavierCHI+53.66.0 pts · #16
Top rating losers
- 1Branes Castillo, Martin HatiCHI-88.05.0 pts · #11
- 2Barrientos Alvarado, Mateo AlexisCHI-68.04.5 pts · #39
- 3Cancino Castro, Diego EduardoCHI-60.83.5 pts · #44
Biggest upsets
- R1+377 Elo gap
- R2+332 Elo gap
- R9+307 Elo gap