CChessStats

Juegos Deportivos Nacionales Eliminatorias 2025 U20 Individual Femenino

Open SwissStandard

13 players participated in this 7-round tournament, held from 06 Sept 2025 to 07 Sept 2025 in Heredia, Costa Rica. Top 10 Elo average was 1211, and top seed was Sofia Mayorga Araya (🇨🇷 CRC, WIM, 2024).

Diana Arias Carmona (🇨🇷 CRC, 1708) won with 5.5/7, ahead of Keisy Barrantes Jimenez (4.5) and Karen Eliza Sanchez Sanchez (4.0). Arias Carmona won solo starting round 3.

The biggest upset came in round 7: Keisy Barrantes Jimenez (1481) beat Diana Arias Carmona (1708), a +227-point gap.

Location
🇨🇷Heredia, Costa Rica
Dates
06 Sept 2025 → 07 Sept 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Avg top 10
1,211
Participants
13
Federations · 1 represented
🇨🇷Costa Rica×11
Top 3

How it unfolded

Top 6 · 7 rounds

Diana Arias Carmona led from R3; +1.0-point edge over the runner-up.

Co-leaders
5
3
1
1
1
1
1
23.55.57R1R2R3R4R5R6R7
R3–R7 · LEAD HELD

Diana Arias Carmona never relinquished the lead after R3; final gap +1.0 over the runner-up.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Diana Arias Carmona lost to Keisy Barrantes Jimenez (Black).

R1–R3 · WIN STREAK

Diana Arias Carmona won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Arias Carmona, Diana1708CRC+5B+3N+6B=4N+7N+9B2N5.523.025.519.001738+8.8
2Barrantes Jimenez, Keisy1481CRC+8B4N+13B=6N+12B3N+1B4.521.521.511.751499+1.6
3Sanchez Sanchez, Karen Eliza0CRCF1B+10N+9B4N+2B+7B4.022.022.012.501668+14.4
4Diaz Charpentier, Ashly Valeria1600CRC+12N+2B=9N=1B+3B7NF4.021.021.014.001638+12.4
5Udiz Puerta, Layneth Albani1428CRC1N+11B8NF+13B+10N+9N4.015.515.57.001688+40.4
6Venegas Sandoval, Ariana1438CRC+13N+7B1N=2B9NF+11N3.517.517.57.251465+7.6
7Calderon Brenes, Tiffany1491CRCF6N+12B+8N1B+4B3N3.021.521.58.501393-20.0
8Leiton Rivas, Mariana0CRC2NF+5B7B11N+13N+12B3.015.015.05.5013420.0
9Bonilla Castillo, Cindy Julieth1510CRCF+10N=4B3N+6B1N5B2.523.523.58.001480-16.4
10Angulo Valladares, Kyara Melissa1454CRC+11N9B3B=12NF5B+13N2.514.014.02.75725-48.8
11FIDE 6526969010B5NF+13N+8B12N6B2.014.514.53.006330.0
12Valderramos Solano, Angela0CRC4BF7N=10B2N+11B8N1.519.019.03.2511830.0
13FIDE 657745806BF2N11B5N8B10B0.019.519.50.006450.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets