Juegos Deportivos Nacionales Eliminatorias 2025 U20 Individual Femenino
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.
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How it unfolded
Top 6 · 7 roundsDiana Arias Carmona led from R3; +1.0-point edge over the runner-up.
Diana Arias Carmona never relinquished the lead after R3; final gap +1.0 over the runner-up.
Diana Arias Carmona lost to Keisy Barrantes Jimenez (Black).
Diana Arias Carmona won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Diana Arias Carmona | * | 0 | 1 | ½ |
| 2Keisy Barrantes Jimenez | 1 | * | 0 | 0 |
| 3Karen Eliza Sanchez Sanchez | 0 | 1 | * | 0 |
| 4Ashly Valeria Diaz Charpentier | ½ | 1 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Arias Carmona, Diana | 1708 | CRC | +5B | +3N | +6B | =4N | +7N | +9B | −2N | 5.5 | 23.0 | 25.5 | 19.00 | 1738 | +8.8 |
| 2 | Barrantes Jimenez, Keisy | 1481 | CRC | +8B | −4N | +13B | =6N | +12B | −3N | +1B | 4.5 | 21.5 | 21.5 | 11.75 | 1499 | +1.6 |
| 3 | Sanchez Sanchez, Karen Eliza | 0 | CRC | F | −1B | +10N | +9B | −4N | +2B | +7B | 4.0 | 22.0 | 22.0 | 12.50 | 1668 | +14.4 |
| 4 | Diaz Charpentier, Ashly Valeria | 1600 | CRC | +12N | +2B | =9N | =1B | +3B | −7N | F | 4.0 | 21.0 | 21.0 | 14.00 | 1638 | +12.4 |
| 5 | Udiz Puerta, Layneth Albani | 1428 | CRC | −1N | +11B | −8N | F | +13B | +10N | +9N | 4.0 | 15.5 | 15.5 | 7.00 | 1688 | +40.4 |
| 6 | Venegas Sandoval, Ariana | 1438 | CRC | +13N | +7B | −1N | =2B | −9N | F | +11N | 3.5 | 17.5 | 17.5 | 7.25 | 1465 | +7.6 |
| 7 | Calderon Brenes, Tiffany | 1491 | CRC | F | −6N | +12B | +8N | −1B | +4B | −3N | 3.0 | 21.5 | 21.5 | 8.50 | 1393 | -20.0 |
| 8 | Leiton Rivas, Mariana | 0 | CRC | −2N | F | +5B | −7B | −11N | +13N | +12B | 3.0 | 15.0 | 15.0 | 5.50 | 1342 | 0.0 |
| 9 | Bonilla Castillo, Cindy Julieth | 1510 | CRC | F | +10N | =4B | −3N | +6B | −1N | −5B | 2.5 | 23.5 | 23.5 | 8.00 | 1480 | -16.4 |
| 10 | Angulo Valladares, Kyara Melissa | 1454 | CRC | +11N | −9B | −3B | =12N | F | −5B | +13N | 2.5 | 14.0 | 14.0 | 2.75 | 725 | -48.8 |
| 11 | FIDE 6526969 | 0 | — | −10B | −5N | F | +13N | +8B | −12N | −6B | 2.0 | 14.5 | 14.5 | 3.00 | 633 | 0.0 |
| 12 | Valderramos Solano, Angela | 0 | CRC | −4B | F | −7N | =10B | −2N | +11B | −8N | 1.5 | 19.0 | 19.0 | 3.25 | 1183 | 0.0 |
| 13 | FIDE 6577458 | 0 | — | −6B | F | −2N | −11B | −5N | −8B | −10B | 0.0 | 19.5 | 19.5 | 0.00 | 645 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Udiz Puerta, Layneth AlbaniCRC+40.44.0 pts · #5
- 2Sanchez Sanchez, Karen ElizaCRC+14.44.0 pts · #2
- 3Diaz Charpentier, Ashly ValeriaCRC+12.44.0 pts · #3
- 1Angulo Valladares, Kyara MelissaCRC-48.82.5 pts · #11
- 2Calderon Brenes, TiffanyCRC-20.03.0 pts · #8
- 3Bonilla Castillo, Cindy JuliethCRC-16.42.5 pts · #4
- R7+227 Elo gap
- R6+109 Elo gap