CChessStats

XIV Pan-American School Chess Championship 2025 STD U17 Girls

Open SwissStandard

14 players participated in this 9-round tournament, held from 30 Aug 2025 to 05 Sept 2025 in Florianopolis SC, Brazil. 4 titled players from 5 federations. Top 10 Elo average was 1768, and top seed was Clara Dias (🇧🇷 BRA, 1919).

Ayme Maravi Ceron (🇵🇪 PER, WFM, 1819) won with 7.5/9, ahead of Clara Dias (7.0) and Luciana Andrea Arenas Lavado (6.5). Maravi Ceron won solo starting round 4.

The biggest upset came in round 1: Laura Alves Jurado (1635) beat Fiorella Allegra Mayeregger Gonzalez (WCM, 1881), a +246-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
🇧🇷Clara Dias1919
Avg top 10
1,768
Participants
14
Titled players · 4
WFM×3
WCM×1
Federations · 5 represented
🇧🇷Brazil×9
🇵🇪Peru×2
🇵🇾Paraguay×1
🇧🇧Barbados×1
🇨🇱Chile×1
Top 3

How it unfolded

Top 6 · 9 rounds

WFM Ayme Maravi Ceron led from R4; +0.5-point edge over the runner-up.

Co-leaders
6
2
3
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Maravi Ceron7.5Dias7Arenas Lavado6.5Wilson5Mayeregger Gonzalez5Gomes4.5
R4–R9 · LEAD HELD

WFM Ayme Maravi Ceron held the sole lead from R4 through R9 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

WFM Ayme Maravi Ceron beat Clara Dias (White).

WIN STREAKS · 2 top finishers

WFM Ayme Maravi Ceron 3 wins (R4–R6)Clara Dias 4 wins (R6–R9)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1WFMAyme Maravi Ceron*
1
½
1
2Clara Dias
0
*
½
1
3WFMLuciana Andrea Arenas Lavado
½
½
*
½
4WFMHannah Wilson
0
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Maravi Ceron, AymeWFM1819PER+6N+7B=3N+2B+5N+4B=9N+8B=10N7.540.044.036.752030+93.2
2Dias, Clara1919BRA+10B=9N+4B−1N=3N+8B+7N+5B+11B7.040.043.530.751964+23.6
3Arenas Lavado, Luciana AndreaWFM1879PER+12B+14N=1B=9N=2B+5B=4N+6B=7N6.540.541.527.751866+1.2
4Wilson, HannahWFM1874BAR+13N=8B−2N+7B+9B−1N=3B+12N−5B5.041.544.019.251777-40.4
5Mayeregger Gonzalez, Fiorella AllegraWCM1881PAR−7N+13B+11N+8B−1B−3N+10B−2N+4N5.041.544.019.001791-39.6
6Gomes, Catarina Crote1572BRA−1B−10N+12B+14N=8N−7B+11B−3N+13B4.535.536.512.501638+24.0
7Jurado, Laura Alves1635BRA+5B−1N+14B−4N=11B+6N−2B−13N=3B4.041.542.515.501674+9.2
8Fernandes, Beatriz1779BRA+11B=4N=9B−5N=6B−2N+13B−1N=12B4.040.042.514.501658-54.8
9Villegas Ampuero, Consuelo1589CHIF=2B=8N=3B−4N+12N=1B=10N=14B4.038.538.518.501781+65.6
10Bokhonok, Tatiana Dos Santos Spineva1682BRA−2N+6B−13N−12B+14B+11N−5N=9B=1B4.037.538.514.751592-42.8
11Roeder, Larissa Taina1550BRA−8N+12N−5B+13B=7N−10B−6N+14B−2N3.534.535.59.001556-3.6
12Kinaki, Giannini Tonial1621BRA−3N−11B−6N+10N+13B−9B+14N−4B=8N3.534.035.09.501549+6.8
13Xiny, Sophia Feng1590BRA−4B−5N+10B−11N−12N=14B−8N+7B−6N2.533.534.58.501493-42.4
14Tochizawa, Eduarda Godoy0BRAF−3B−7N−6B−10N=13N−12B−11N=9N1.032.532.53.2513050.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets