CChessStats

XIV Pan-American School Chess Championship 2025 STD U13 Girls

Open SwissStandard

25 players participated in this 9-round tournament, held from 30 Aug 2025 to 05 Sept 2025 in Florianopolis SC, Brazil. 2 titled players from 6 federations. Top 10 Elo average was 1701, and top seed was Shuang Chen (🇨🇦 CAN, WCM, 1808).

Shuang Chen (🇨🇦 CAN, WCM, 1808) won with 7.5/9, ahead of Rihanna Irina Rojas Salas (6.5) and Elisa Feng (6.0). Chen won solo starting round 8.

The biggest upset came in round 1: Paola De Oliveira Cunha (1543) beat Fabiana Jimenez Salas (1747), a +204-point gap.

Location
🇧🇷Florianopolis SC, Brazil
Dates
30 Aug 2025 → 05 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇨🇦WCMShuang Chen1808
Avg top 10
1,701
Participants
25
Titled players · 2
WCM×2
Federations · 6 represented
🇧🇷Brazil×15
🇵🇪Peru×4
🇺🇸United States of America×2
🇨🇦Canada×2
🇵🇾Paraguay×1
🇨🇷Costa Rica×1
Top 3

How it unfolded

Top 6 · 9 rounds

WCM Shuang Chen led from R3; +1.0-point edge over the runner-up.

Co-leaders
9
4
1
1
3
2
2
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Chen7.5Rojas Salas6.5Feng6Garghetti6Wangluo5.5Lugo Martinez5.5
R3–R9 · LEAD HELD

WCM Shuang Chen never relinquished the lead after R3; final gap +1.0 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

WCM Shuang Chen beat Rihanna Irina Rojas Salas (Black).

WIN STREAKS · 2 top finishers

WCM Shuang Chen 3 wins (R1–R3)Rihanna Irina Rojas Salas 3 wins (R7–R9)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1WCMShuang Chen*
1
½
1
2Rihanna Irina Rojas Salas
0
*
1
—
3Elisa Feng
½
0
*
1
4Julia Garghetti
0
—
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Chen, ShuangWCM1808CAN+11B+4N+7B=6N=5B+2N=3B+9B+10N7.545.550.542.001934+50.8
2Rojas Salas, Rihanna Irina1777PER+24N=10B=8N=13B+14N−1B+15N+3N+5B6.541.543.028.251803+15.6
3Feng, Elisa1724BRA+17B+13N=6B=5N+4B+7N=1N−2B=8B6.046.049.531.001794+34.4
4Garghetti, Julia1578BRA+25N−1B+22N+21B−3N+8N+11B=5N=7B6.040.040.021.001751+72.4
5Wangluo, Joanne1729CAN=14N+16B+10N=3B=1N+15B=6N=4B−2N5.544.548.527.501721-0.8
6Liang, Candice1609USA+12N+21B=3N=1B−7B+10N=5B−8N+18B5.543.045.525.001719+54.8
7Zhuge, Katherine1701USA+18N+23B−1N+14B+6N−3B−9N+11B=4N5.543.045.523.501692-2.8
8Jimenez Salas, Fabiana1747PER−13B+17N=2B=9N+23N−4B+20N+6B=3N5.540.543.024.001676-28.8
9Lugo Martinez, Jimena SofiaWCM1666PAR−21N=18B=16N=8B+24B+13N+7B−1N+14N5.536.538.021.501698+16.0
10Zuniga Ugarte, Danya Alexia1594PER+20B=2N−5B=15N+17N−6B+14N+19B−1B5.040.043.519.751651+24.8
11Seara, Sophia Parisotto1568BRA−1N−22B+18N+12B+21N+16B−4N−7N+15B5.037.540.018.501616+20.4
12Martins, Eduarda Baldisserotto1440BRA−6B+19N−13B−11N+22B=17N+24B−18N+21B4.530.031.511.751539+48.0
13Cunha, Paola De Oliveira1543BRA+8N−3B+12N=2N−15B−9B−19N+25B=17N4.039.039.015.001529-10.0
14Kruger, Nathalia1536BRA=5B=15N+20B−7N−2B+21N−10B+24N−9B4.038.039.512.251563+12.0
15Costa, Elisa Queiroz1488BRA=16N=14B+23N=10B+13N−5N−2B=17B−11N4.037.540.014.751561+34.4
16Costa, Yanni Queiroz1656BRA=15B−5N=9B=22N+19B−11N−17B=23N+25N4.032.032.010.751477-78.8
17Baratieri, Maria Vitoria1530BRA−3N−8BF+20N−10B=12B+16N=15N=13B3.536.536.513.7515360.0
18De Freitas,Marcele Soares1513BRA−7B=9N−11B−19NF+22B+25N+12B−6N3.532.032.09.751472-17.2
19Garcia Rojas, Estefania1537CRCF−12B=24N+18B−16NF+13B−10N+22B3.525.025.010.751541-5.2
20Staats, Isabelli Da Silva1437BRA−10N+24B−14N−17B+25B+23N−8B=21BF3.524.524.55.251465+7.2
21Chahuaylla, Joyce A Chahuares1491BRA+9B−6N+25B−4N−11B−14BF=20N−12N2.534.034.07.251318-58.8
22Morales Valladares, Luciana Gabriela1475PERF+11N−4B=16B−12N−18N+23BF−19N2.529.029.09.501442-14.4
23Kneidl, Jennifer1501BRAF−7N−15B+25N−8B−20B−22N=16B+24N2.526.526.53.501352-50.8
24Gobbi, Juliana Kaori1566BRA−2B−20N=19BF−9N+25B−12N−14B−23B1.530.030.01.751137-123.2
25Bovo,Laura Lucarini0BRA−4BF−21N−23B−20N−24N−18B−13N−16B0.027.527.50.007360.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets