Final Nacional de IV Division 2025
12 players participated in this 5-round tournament, held from 22 Nov 2025 to 23 Nov 2025 in Heredia, Costa Rica. Top 10 Elo average was 1627, and top seed was Axel Jafeth Hondoy Amador (🇨🇷 CRC, 1889).
Jose Alberto Bogantes Hidalgo (🇨🇷 CRC, 1699) won with 4.5/5, ahead of Josue Avila Artavia (4.0) and Andres Stawski Oliva (3.5). Bogantes Hidalgo broke clear in the final round.
The biggest upset came in round 1: Brandon Adrian Ramirez Ordonez (1541) beat Axel Jafeth Hondoy Amador (1889), a +348-point gap.
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How it unfolded
Top 6 · 5 roundsJose Alberto Bogantes Hidalgo led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Jose Alberto Bogantes Hidalgo held the sole lead from R5 through R5 without losing it.
Jose Alberto Bogantes Hidalgo drew with Josue Avila Artavia (Black).
Andres Stawski Oliva won 3 in a row (R2–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Jose Alberto Bogantes Hidalgo | * | ½ | — | — |
| 2Josue Avila Artavia | ½ | * | ½ | 1 |
| 3Andres Stawski Oliva | — | ½ | * | — |
| 4Moises Alonso Romero Cerdas | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bogantes Hidalgo, Jose Alberto | 1699 | CRC | +11N | +5B | =2N | +?B | +4N | 4.5 | 11.0 | 11.0 | 9.00 | 1962 | +43.2 |
| 2 | Avila Artavia, Josue | 1656 | CRC | +6B | +4N | =1B | +7N | =3B | 4.0 | 14.0 | 16.5 | 12.50 | 1896 | +59.2 |
| 3 | Stawski Oliva, Andres | 1768 | CRC | −4B | +12N | +9N | +8B | =2N | 3.5 | 11.0 | 11.0 | 6.00 | 1763 | -0.4 |
| 4 | Rivera Mora, Gabriel | 1595 | CRC | +3N | −2B | +11N | +5B | −1B | 3.0 | 15.0 | 16.0 | 7.50 | 1736 | +23.2 |
| 5 | Elizalde Brisuela, Eduardo | 1656 | CRC | +12B | −1N | +7B | −4N | +?B | 3.0 | 10.0 | 10.0 | 2.50 | 1623 | -4.0 |
| 6 | Romero Cerdas, Moises Alonso | 1611 | CRC | −2N | +8B | −?N | +10B | +9N | 3.0 | 9.5 | 9.5 | 5.50 | 1783 | +34.0 |
| 7 | Ramirez Ordonez, Brandon Adrian | 1541 | CRC | +?N | +9B | −5N | −2B | =8N | 2.5 | 11.0 | 11.0 | 3.00 | 1533 | -2.4 |
| 8 | Rodriguez Gonzalez, Santiago | 1549 | CRC | =10B | −6N | +12B | −3N | =7B | 2.0 | 10.5 | 10.5 | 2.00 | 1539 | -4.8 |
| 9 | Young Zhou, Jason | 1597 | CRC | +?B | −7N | −3B | +12N | −6B | 2.0 | 9.0 | 9.0 | 0.00 | 1437 | -36.0 |
| 10 | Peraza Artavia, Pablo Josue | 1523 | CRC | =8N | −?B | F | −6N | +12B | 1.5 | 5.0 | 5.0 | 1.00 | 1588 | +4.2 |
| 11 | Viquez Alfaro, Gabriel | 1550 | CRC | −1B | +?N | −4B | F | F | 1.0 | 7.5 | 7.5 | 0.00 | 879 | -24.4 |
| 12 | Baquero Graterol, Asiel Andres | 1589 | CRC | −5N | −3B | −8N | −9B | −10N | 0.0 | 10.5 | 12.0 | 0.00 | 825 | -92.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Avila Artavia, JosueCRC+59.24.0 pts · #1
- 2Bogantes Hidalgo, Jose AlbertoCRC+43.24.5 pts · #3
- 3Romero Cerdas, Moises AlonsoCRC+34.03.0 pts · #4
- 1Baquero Graterol, Asiel AndresCRC-92.00.0 pts · #12
- 2Young Zhou, JasonCRC-36.02.0 pts · #10
- 3Viquez Alfaro, GabrielCRC-24.41.0 pts · #11
- R1+348 Elo gap
- R2+274 Elo gap
- R5+233 Elo gap