CChessStats

SUDAMERICANO ESCOLAR IMPAR U15 FEMENINO 2025

Open SwissStandard

19 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 1682, and top seed was Briggith Posada Torres (🇨🇴 COL, WCM, 1849).

Briggith Posada Torres (🇨🇴 COL, WCM, 1849) won with 7.0/9, ahead of Susana Gonzalez Lagos (7.0) and Lorenza Violeta Rivas Chamorro (6.0). Posada Torres shared the lead from round 8, winning on tie-break.

The biggest upset came in round 4: Lorenza Violeta Rivas Chamorro (1602) beat Briggith Posada Torres (WCM, 1849), a +247-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
🇨🇴WCMBriggith Posada Torres1849
Avg top 10
1,682
Participants
19
Titled players · 1
WCM×1
Federations · 3 represented
🇨🇱Chile×17
🇨🇴Colombia×1
🇧🇴Bolivia×1
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 2 players tied at 7.0/9, decided on Buchholz.

Co-leaders
9
5
2
1
2
1
1
2
2
2.54.579R1R2R3R4R5R6R7R8R9Gonzalez Lagos takes lead
Posada Torres7Gonzalez Lagos7Lizama Diaz6Rivas Chamorro6Cegarra Ruiz5Soto Munoz5
R6 · LEADER CHANGE03 Jul

Susana Gonzalez Lagos takes the sole lead (5.0/6).

R9 · TIEBREAK CLUSTER

2 players finish on 7.0/9. Posada Torres takes the title on Buchholz Cut1 (43.5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

WCM Briggith Posada Torres beat Susana Gonzalez Lagos (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1WCMBriggith Posada Torres*
1
1
0
2Susana Gonzalez Lagos
0
*
½
1
3Gabriela Emilia Lizama Diaz
0
½
*
1
4Lorenza Violeta Rivas Chamorro
1
0
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Posada Torres, BriggithWCM1849COL+4B+6N+2B−3N=5B+11N+7B+8N=10N7.043.547.536.751870+14.8
2Gonzalez Lagos, Susana1702CHI+9N+13B−1N+14B+3N+10B+5N=4B=6N7.042.546.033.501824+50.4
3Rivas Chamorro, Lorenza Violeta1602CHI+15B+10N+7N+1B−2B−5N+6B+11N−4N6.043.547.029.001766+78.4
4Lizama Diaz, Gabriela Emilia1525CHI−1N=9B+18N+12B−7N+14B+10N=2N+3B6.042.043.525.501768+113.2
5Veizaga Mamani, Kirsten Ivana1740BOL+12N−14B+13N+8B=1N+3B−2B=6N−7B5.043.046.525.001653-35.6
6Salazar Nieto, Fernanda Antonella1535CHI+17N−1B+16N+7B−10N+9B−3N=5B=2B5.042.544.020.501647+36.8
7Cegarra Ruiz, Victoria1743CHI+19B+11N−3B−6N+4B+8N−1N−10B+5N5.042.543.020.501683-28.0
8Morrison Martinez, Janis Ariane1737CHI−11B+15N+17B−5N+9N−7B+12N−1B+16N5.036.538.017.001553-65.2
9Soto Munoz, Maria Jesus1483CHI−2B=4N+19B+15N−8B−6N+17B=14N+18B5.033.033.511.751571+36.4
10Herrera Catrilef, Alison1760CHIF−3B+14N+11N+6B−2N−4B+7N=1B4.543.543.521.001669-37.2
11Ipinza Cespedes, Elisa Mayte1498CHI+8N−7B+12N−10B+16N−1B+13N−3BF4.038.538.516.001574+18.8
12Albarran Quero, Daniesky1500CHI−5B+18N−11B−4N+15B+19N−8B+17N−13B4.030.531.07.001524+6.0
13Arevalo Bahamondez, Fernanda Andrea0CHI+18B−2N−5B+19N=14N=16B−11BF+12N4.028.528.59.2515850.0
14Vera Aguilar, Luz Ignacia1554CHI+16B+5N−10B−2N=13B−4NF=9B=19B3.535.035.012.751496-20.0
15Cifuentes Venegas, Catalina Isidora1413CHI−3N−8BF−9B−12N+18N=16B+19N+17B3.526.526.55.001446+7.2
16Mora Marin, Amanda0CHI−14NF−6B+17N−11B=13N=15N+18B−8B3.028.028.06.7513630.0
17Rademacher Alvarez, Celeste Belen0CHI−6B+19N−8N−16B=18BF−9N−12B−15N1.527.527.51.2513090.0
18Moreira Chavol, Amanda Monserrat1593CHI−13N−12B−4BF=17N−15B+19B−16N−9N1.527.527.51.251246-88.8
19Mardones Rocha, Valentina Antonella1507CHI−7N−17B−9N−13BF−12B−18N−15B=14N0.528.028.01.751147-87.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets