Juegos Deportivos Nacionales Eliminatorias 2025 Z1 U12 Individual Absoluto
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 317, and top seed was David Elian Herrera Castro (🇨🇷 CRC, 1636).
Yeison David Vargas Vargas (🇨🇷 CRC, 1536) won with 6.5/7, ahead of David Elian Herrera Castro (6.0) and Aaron Andres Campos Aguilar (5.0). Vargas Vargas broke clear in the final round.
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How it unfolded
Top 6 · 7 roundsYeison David Vargas Vargas led from R7; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.
Yeison David Vargas Vargas held the sole lead from R7 through R7 without losing it.
Yeison David Vargas Vargas drew with David Elian Herrera Castro (Black).
Yeison David Vargas Vargas 4 wins (R1–R4)David Elian Herrera Castro 4 wins (R1–R4)Juan David Navarro Torres 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vargas Vargas, Yeison David | 1536 | CRC | +13N | +12B | +6N | +5B | =2N | +3B | +9N | 6.5 | 26.5 | 29.5 | 26.50 | 1635 | +4.8 |
| 2 | Herrera Castro, David Elian | 1636 | CRC | +10B | +7N | +8B | +4N | =1B | +11N | =6N | 6.0 | 27.5 | 30.5 | 25.25 | 1546 | -4.8 |
| 3 | Campos Aguilar, Aaron Andres | 0 | CRC | +?B | +?N | −?B | +7N | +8B | −1N | +11B | 5.0 | 17.5 | 17.5 | 11.00 | 746 | 0.0 |
| 4 | Navarro Torres, Juan David | 0 | CRC | +?N | +?B | +?N | −2B | −11N | +5B | +12B | 5.0 | 16.5 | 16.5 | 7.50 | 835 | 0.0 |
| 5 | FIDE 6575862 | 0 | — | +?N | +11B | +9B | −1N | =?B | −4N | +7B | 4.5 | 22.5 | 22.5 | 11.00 | 746 | 0.0 |
| 6 | FIDE 6569064 | 0 | — | F | +?N | −1B | +?N | +10B | =12N | =2B | 4.0 | 19.5 | 19.5 | 8.50 | 1398 | 0.0 |
| 7 | FIDE 6569250 | 0 | — | +?N | −2B | +?N | −3B | +?N | +?B | −5N | 4.0 | 15.5 | 15.5 | 0.00 | 835 | 0.0 |
| 8 | FIDE 6573800 | 0 | — | +?N | +?B | −2N | +?B | −3N | −?B | +13N | 4.0 | 14.0 | 14.0 | 3.00 | 835 | 0.0 |
| 9 | FIDE 6571409 | 0 | — | +?N | +?B | −5N | +?B | =12B | =?N | −1B | 4.0 | 14.0 | 14.0 | 1.50 | 746 | 0.0 |
| 10 | FIDE 6574980 | 0 | — | −2N | +?B | +?N | +?B | −6N | −?B | +?N | 4.0 | 10.0 | 10.0 | 0.00 | 835 | 0.0 |
| 11 | Arrieta Rojas, Eitan Matias | 0 | CRC | F | −5N | +?B | +?N | +4B | −2B | −3N | 3.0 | 20.5 | 20.5 | 5.00 | 835 | 0.0 |
| 12 | FIDE 6565620 | 0 | — | F | −1N | +?B | +?B | =9N | =6B | −4N | 3.0 | 19.5 | 19.5 | 4.00 | 746 | 0.0 |
| 13 | FIDE 6555756 | 0 | — | −1B | +?B | −?N | +?N | −?B | +?N | −8B | 3.0 | 10.5 | 10.5 | 0.00 | 746 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Vargas Vargas, Yeison DavidCRC+4.86.5 pts · #2
- 2FIDE 65557560.03.0 pts · #7
- 3Navarro Torres, Juan DavidCRC0.05.0 pts · #9
- 1Herrera Castro, David ElianCRC-4.86.0 pts · #3
- 2FIDE 65557560.03.0 pts · #7
- 3Navarro Torres, Juan DavidCRC0.05.0 pts · #9