CChessStats

Campeonato Centroamericano y del Caribe U20 Femenino 2026

Open SwissStandard

20 players participated in this 9-round tournament, held from 28 Mar 2026 to 02 Apr 2026 in San Jose, Costa Rica. 8 titled players from 6 federations. Top 10 Elo average was 1895, and top seed was Sofia Mayorga Araya (🇨🇷 CRC, WIM, 2099).

Haden Zuaznabal Duarte (🇨🇺 CUB, 1998) won with 7.0/9, ahead of Marielos Vasquez Vasquez (6.5) and Sofia Mayorga Araya (6.0). Zuaznabal Duarte won solo starting round 7.

The biggest upset came in round 1: Ana Luisa Alvarado Wiciak (1585) beat Valeria Viana (WFM, 1936), a +351-point gap.

Location
🇨🇷San Jose, Costa Rica
Dates
28 Mar 2026 → 02 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇨🇷WIMSofia Mayorga Araya2099
Avg top 10
1,895
Participants
20
Titled players · 8
WIM×1
WFM×2
WCM×5
Federations · 6 represented
🇨🇷Costa Rica×14
🇨🇺Cuba×2
🇸🇻El Salvador×1
🇵🇦Panama×1
🇭🇳Honduras×1
🇯🇲Jamaica×1
Top 3

How it unfolded

Top 6 · 9 rounds

Haden Zuaznabal Duarte led from R4; +0.5-point edge over the runner-up.

Co-leaders
10
5
2
1
2
2
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Zuaznabal Duarte7Vasquez Vasquez6.5Valdes Boza6Mayorga Araya6Watson5.5Salazar Delgado5.5
R4–R9 · LEAD HELD

Haden Zuaznabal Duarte held the sole lead from R4 through R9 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Haden Zuaznabal Duarte drew with WCM Marielos Vasquez Vasquez (Black).

WIN STREAKS · 2 top finishers

Haden Zuaznabal Duarte 4 wins (R1–R4)WFM Aliett Valdes Boza 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Haden Zuaznabal Duarte*
½
1
0
2WCMMarielos Vasquez Vasquez
½
*
1
0
3WFMAliett Valdes Boza
0
0
*
½
4WIMSofia Mayorga Araya
1
1
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Zuaznabal Duarte, Haden1998CUB+9B+11N+5B+4N−3B=2N+7B+10N=6B7.044.048.536.502049+31.2
2Vasquez Vasquez, MarielosWCM1872ESA+6B+16N=12B−3N+4B=1B+5N=7N+11B6.544.048.033.751995+33.0
3Mayorga Araya, SofiaWIM2099CRC+15B−5N+13B+2B+1N−7N=6B=4N+10B6.044.048.031.751968-45.2
4Valdes Boza, AliettWFM2060CUB+18N+14B+10N−1B−2N=5N+13B=3B+7N6.042.544.525.251960-33.2
5Watson, GabriellaWCM1790JAM+19N+3B−1N=8B+10N=4B−2B=11N+12B5.544.046.024.751930+34.0
6Salazar Delgado, Aylin Naomy1545CRC−2N−18B+20N+15B=8N+14B=3N+13B=1N5.538.540.022.501760+82.0
7Mayorga Araya, LarissaWCM1905CRC−8N+19B+18N=10B+11N+3B−1N=2B−4B5.041.543.520.001846-2.4
8Loria Molina, Sofia1578CRC+7B−10B+15N=5N=6B=13N=11B−12N+17B5.037.541.022.251788+85.6
9Barboza Viquez, Angelica1601CRC−1N−12N+16B+17B−14N−15B+19N+20N+18B5.031.032.513.001675+33.2
10Campos Munoz, ValentinaWCM1910CRC+13B+8N−4B=7N−5B+12N+15B−1B−3N4.543.047.020.001847-26.8
11Cruz Quintanilla, MarianelaWCM1670PAN+20N−1B=14N+12N−7B+16B=8N=5B−2N4.541.543.017.251725+16.8
12Viana, ValeriaWFM1936HON−14N+9B=2N−11B+17N−10B+18N+8B−5N4.538.540.518.751694-50.0
13Guerrero Diaz, Leticia Fiorella1584CRC−10N+17B−3N+14B+16N=8B−4N−6N=19B4.038.540.515.001667+15.6
14Alvarado Wiciak, Ana Luisa1585CRC+12B−4N=11B−13N+9B−6N=17B−15N+20B4.037.038.515.001627+5.2
15Sanchez Sanchez, Karen Eliza1659CRC−3N+20B−8B−6N+19B+9N−10N+14B−16B4.036.037.512.501576-48.4
16Castro Campos, Alana Patricia1525CRC+17N−2B−9N+18B−13B−11N−20B+19B+15N4.031.533.011.501641+54.8
17Arias Carmona, Diana1710CRC−16B−13N+19B−9N−12B+20N=14N+18B−8N3.530.532.07.501463-103.6
18Zhou Fernandez, Isabella1618CRC−4B+6N−7B−16N+20B−19N−12B−17N−9N2.035.537.07.001369-54.4
19Briceno Little, Jenifer1544CRC−5B−7N−17N=20B−15N+18B−9B−16N=13N2.033.034.54.751403-44.4
20Santhosh, Mithila Lakshmi0CRC−11B−15N−6B=19N−18N−17B+16N−9B−14N1.532.534.55.0013140.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets