CChessStats

SUDAMERICANO ESCOLAR IMPAR U9 ABSOLUTO 2025

Open SwissStandard

26 players participated in this 9-round tournament, held from 30 Jun 2025 to 05 Jul 2025 in Temuco Region de La Araucania, Chile. 6 federations represented. Top 10 Elo average was 1568, and top seed was Thiago Andres Corrales Huaman (🇵🇪 PER, 1748).

Vrsalovic Acuna. Stjepan Antonio (🇨🇱 CHI, 1693) won with 8.5/9, ahead of Tomas Casquero (7.5) and Aaron Pizarro Rozas (7.0). Antonio won solo starting round 4.

The biggest upset came in round 5: Aaron Pizarro Rozas (1474) beat Thiago Andres Corrales Huaman (1748), a +274-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
Top seed
🇵🇪Thiago Andres Corrales Huaman1748
Avg top 10
1,568
Participants
26
Federations · 6 represented
🇨🇱Chile×10
🇨🇴Colombia×3
🇧🇷Brazil×3
🇧🇴Bolivia×3
🇦🇷Argentina×1
🇵🇪Peru×1
Top 3

How it unfolded

Top 6 · 9 rounds

Vrsalovic Acuna. Stjepan Antonio led from R4; +1.0-point edge over the runner-up.

Co-leaders
11
5
2
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Antonio8.5Casquero7.5Pizarro Rozas7Ruiz Achacollo6Ramirez Mejia5.5Corrales Huaman5
R4–R9 · LEAD HELD

Vrsalovic Acuna. Stjepan Antonio never relinquished the lead after R4; final gap +1.0 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Vrsalovic Acuna. Stjepan Antonio beat Tomas Casquero (White).

WIN STREAKS · 3 top finishers

Vrsalovic Acuna. Stjepan Antonio 4+4 wins (R1–R4, R6–R9)Tomas Casquero 3 wins (R4–R6)Aaron Pizarro Rozas 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Vrsalovic Acuna. Stjepan Antonio*
1
1
½
2Tomas Casquero
0
*
½
1
3Aaron Pizarro Rozas
0
½
*
1
4Jose Damir Ruiz Achacollo
½
0
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Vrsalovic Acuna. Stjepan Antonio1693CHI+7B+3N+2B+6N=4B+16N+11B+5N+17B8.545.049.046.002007+86.8
2Casquero, Tomas1609ARG+19N+8B−1N+18B+17B+4N=3B+6N+7B7.544.548.536.501763+48.8
3Pizarro Rozas, Aaron1474CHI+10N−1B+8N+21B+6B=5N=2N+4B+11B7.047.550.535.501747+74.0
4Ruiz Achacollo, Jose Damir1624BOL+21B=9N+14B+5N=1N−2B+16B−3N+6B6.047.050.028.751633+5.6
5Ramirez Mejia, Jose Gregorio1521COL+20B+24N=9B−4B+18N=3B=13N−1B+16N5.543.044.521.751531-1.6
6Corrales Huaman, Thiago Andres1748PER+26N+18B+16N−1B−3N+17B+9N−2B−4N5.046.046.017.001534-83.2
7Abreu Da Silva, Joaquim Fernando0BRA−1N+15B+22N−16B=10N=13B+14N+9B−2N5.043.546.521.7514020.0
8Gacitua Espinoza, Oscar Santiago0CHI+11B−2N−3B+15N+12N−9B−10N+22B+18N5.043.046.021.5014920.0
9Argote Nunez, Eduardo Erick1460BOL+15N=4B=5N+10B−16N+8N−6B−7N+13B5.040.544.524.751511+14.8
10Medel Calbun, Jorge Luis0CHI−3B+12N+11B−9N=7B=14N+8B−17N+21B5.040.543.522.751393-28.0
11Estrada Herrera, Jeronimo1535COL−8N+13B−10N+25B+22N+21B−1N+16B−3N5.040.041.516.001555+5.6
12Vargas Olivares Edgar Agustin1422CHI−22N−10B+19N+14N−8B+24B=21N=18B+20N5.032.534.017.5014340.0
13Ono Espinoza, Matteo1473BOL=14B−11N+20B−17N+19B=7N=5B+15N−9N4.537.541.520.001158-58.0
14Morales Bradasic, Salvador Gaspar0CHI=13N+22B−4N−12B+23N=10B−7B=21N+26B4.534.534.512.2512320.0
15FIDE 34834100—−9B−7N+26N−8B+25N=18B+24N−13B+23N4.529.529.58.0011770.0
16Chahuaylla, Diego R Chahuares1540BRA+23B+17N−6B+7N+9B−1B−4N−11N−5B4.044.047.017.001411-50.4
17Lee Morales, Juan Martin1415COLF−16B+25N+13B−2N−6N+20B+10B−1N4.040.040.015.001372-11.6
18Reyes Perez, Francisco Alonso1434CHI+25B−6N+23B−2N−5B=15N+19B=12N−8B4.039.541.013.251255-31.6
19Briones Villavicencio, Dante Maximo0CHI−2B−20N−12B+26B−13N+23B−18N+25N+22B4.032.532.57.506840.0
20Linder, Matheus Pauli0BRA−5N+19B−13N+24B−21N+22B−17N+26N−12B4.030.530.58.506600.0
21Albornoz Lopez, Leonardo Antonio0CHI−4NF+24B−3N+20B−11N=12B=14B−10N3.038.038.010.2512000.0
22Vera Quijon, Pedro Anibal0CHI+12B−14N−7B+23N−11B−20N+26B−8N−19N3.035.535.58.0014760.0
23FIDE 34860870—−16N+26B−18N−22B−14B−19N+25N+24B−15B3.027.027.03.006880.0
24FIDE 34835500—F−5B−21N−20N+26B−12N−15B−23N=25B1.526.526.50.756780.0
25FIDE 34648730—−18NF−17B−11N−15B+26N−23B−19B=24N1.526.026.00.756590.0
26FIDE 34836650—−6B−23N−15B−19N−24N−25B−22N−20B−14N0.029.531.00.009460.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets