Campeonato Nacional Categorias Menores Pares 2026 U18 Absoluto
Open SwissStandard
31 players participated in this 7-round tournament, held from 20 Feb 2026 to 22 Feb 2026 in San Jose, Costa Rica. 1 titled players. Top 10 Elo average was 1858, and top seed was Sebastian Angulo Perez (🇨🇷 CRC, CM, 2004).
Sebastian Angulo Perez (🇨🇷 CRC, CM, 2004) won with 6.0/7, ahead of Julian Jose Ramirez Aguilar (5.5) and Andres Gonzalez Ramos (5.5). Angulo Perez shared the lead from round 6 and broke clear in the final round.
The biggest upset came in round 4: Fabian Soto Sandi (1555) beat Javier Francisco Hernandez Perez (1923), a +368-point gap.
Location
🇨🇷San Jose, Costa Rica
Dates
20 Feb 2026 → 22 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 1
CM×1
Federations · 1 represented
🇨🇷Costa Rica×30
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsCM Sebastian Angulo Perez led from R4; +0.5-point edge over the runner-up.
Co-leaders
12
6
2
1
1
3
1
R5 · LEADER CHANGE21 Feb
Julian Jose Ramirez Aguilar takes the sole lead (4.5/5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
CM Sebastian Angulo Perez lost to Julian Jose Ramirez Aguilar (White).
WIN STREAKS · 2 top finishers
CM Sebastian Angulo Perez 4 wins (R1–R4)Andres Gonzalez Ramos 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMSebastian Angulo Perez | * | 0 | 1 | — |
| 2Julian Jose Ramirez Aguilar | 1 | * | ½ | ½ |
| 3Andres Gonzalez Ramos | 0 | ½ | * | — |
| 4Aaden Josue Ortega Canisales | — | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Angulo Perez, SebastianCM | 2004 | CRC | +20B | +10N | +3B | +4N | −2B | +6N | +17B | 6.0 | 27.5 | 30.5 | 25.00 | 2103 | +32.0 |
| 2 | Ramirez Aguilar, Julian Jose | 1965 | CRC | +13N | +9B | =5N | +8B | +1N | =4B | =3N | 5.5 | 29.5 | 33.5 | 25.75 | 2029 | +21.6 |
| 3 | Gonzalez Ramos, Andres | 1828 | CRC | +24N | +18B | −1N | +9B | +19N | +14B | =2B | 5.5 | 25.0 | 27.5 | 18.75 | 1981 | +52.4 |
| 4 | Ramos Rodriguez, Daniel | 1857 | CRC | +31B | +7N | +11B | −1B | +5N | =2N | =6B | 5.0 | 29.5 | 30.0 | 19.00 | 1980 | +48.8 |
| 5 | Ortega Canisales, Aaden Josue | 1788 | CRC | +17N | +26B | =2B | =6N | −4B | +11N | +10B | 5.0 | 26.0 | 27.5 | 17.50 | 1896 | +42.8 |
| 6 | Cossio Carvajal, Bruno | 1989 | CRC | =8N | +13B | +12N | =5B | +7N | −1B | =4N | 4.5 | 28.5 | 32.5 | 19.50 | 1900 | -26.0 |
| 7 | Garcia Morales, Brainer Steven | 1757 | CRC | +22N | −4B | +17N | +18B | −6B | =8N | +14N | 4.5 | 23.0 | 26.0 | 14.50 | 1803 | +20.0 |
| 8 | Esquivel Elizondo, Jeremy | 1716 | CRC | =6B | +14N | +10B | −2N | =12N | =7B | =15N | 4.0 | 26.0 | 29.5 | 15.75 | 1821 | +31.2 |
| 9 | Gabriel Brizuela, Yonaikel Emanuel | 1688 | CRC | +25B | −2N | +21B | −3N | +20B | −10N | +23B | 4.0 | 24.0 | 26.0 | 11.00 | 1760 | +26.4 |
| 10 | Acuna Nunez, Ignacio | 1686 | CRC | +28N | −1B | −8N | +26B | +18N | +9B | −5N | 4.0 | 23.5 | 24.5 | 9.50 | 1742 | +21.6 |
| 11 | Ugalde Chaves, Carlo Cesar | 1644 | CRC | +30N | +15B | −4N | −14B | +21N | −5B | +19N | 4.0 | 23.0 | 24.0 | 10.50 | 1695 | +15.6 |
| 12 | Brizuela Hidalgo, Sebastian | 1752 | CRC | =14B | +19N | −6B | +25N | =8B | −17N | +20B | 4.0 | 21.0 | 23.0 | 11.75 | 1739 | -5.2 |
| 13 | Rivera Mora, Gabriel | 1685 | CRC | −2B | −6N | −27B | +31N | +25B | +26N | +18B | 4.0 | 17.5 | 18.0 | 7.00 | 1750 | +21.2 |
| 14 | Castillo Mendez, Carlos Rafael | 1582 | CRC | =12N | −8B | +24N | +11N | +23B | −3N | −7B | 3.5 | 25.0 | 27.5 | 11.50 | 1713 | +48.8 |
| 15 | Marenco Garcia, Christopher E. | 1665 | CRC | +21B | −11N | +20B | −19N | −17B | +28N | =8B | 3.5 | 20.0 | 21.0 | 9.00 | 1607 | -21.6 |
| 16 | Hernandez Perez, Javier Francisco | 1923 | CRC | F | F | +31B | −21N | =24N | +22B | +27N | 3.5 | 10.0 | 10.0 | 5.75 | 1711 | -39.2 |
| 17 | Gomez Guerrero, Fabrizio Josue | 1536 | CRC | −5B | +27N | −7B | F | +15N | +12B | −1N | 3.0 | 24.0 | 25.0 | 8.50 | 1736 | +57.2 |
| 18 | Reyes Sarmiento, Aaron | 1699 | CRC | +27B | −3N | +29B | −7N | −10B | +19B | −13N | 3.0 | 22.0 | 23.0 | 5.00 | 1573 | -40.8 |
| 19 | Estrada Rodriguez, Hendrik | 1715 | CRC | +29N | −12B | +26N | +15B | −3B | −18N | −11B | 3.0 | 21.5 | 22.5 | 6.00 | 1556 | -50.8 |
| 20 | Chaves Solis, Santiago | 1598 | CRC | −1N | +28B | −15N | +30B | −9N | +21B | −12N | 3.0 | 21.5 | 22.5 | 5.00 | 1559 | -25.2 |
| 21 | Soto Sandi, Fabian | 1555 | CRC | −15N | +30B | −9N | +16B | −11B | −20N | +29B | 3.0 | 19.0 | 20.0 | 5.50 | 1469 | -22.0 |
| 22 | Perez Rojas, Nicolas | 1510 | CRC | −7B | +31N | −25B | −23N | +29B | −16N | +28B | 3.0 | 15.0 | 15.5 | 2.50 | 1543 | +6.0 |
| 23 | Valverde Vega, Santiago | 1664 | CRC | F | F | +28N | +22B | −14N | +24B | −9N | 3.0 | 14.0 | 14.0 | 6.50 | 1635 | -6.8 |
| 24 | Viquez Alfaro, Gabriel | 1603 | CRC | −3B | =25N | −14B | +27N | =16B | −23N | =26B | 2.5 | 19.0 | 20.0 | 4.50 | 1561 | -21.2 |
| 25 | Villalobos Molina, Caleb Josue | 1646 | CRC | −9N | =24B | +22N | −12B | −13N | =31B | F | 2.0 | 18.0 | 18.0 | 4.50 | 1515 | -39.2 |
| 26 | Jimenez Rojas, Isaac | 1491 | CRC | F | −5N | −19B | −10N | +27B | −13B | =24N | 1.5 | 19.5 | 19.5 | 2.25 | 1473 | -7.6 |
| 27 | Molina Fernandez, Fabian Enrique | 1421 | CRC | −18N | −17B | +13N | −24B | −26N | F | −16B | 1.0 | 17.5 | 17.5 | 4.00 | 1382 | -38.4 |
| 28 | Mora Acuna, Johnny Gabriel | 1445 | CRC | −10B | −20N | −23B | F | +30N | −15B | −22N | 1.0 | 17.5 | 17.5 | 1.00 | 830 | -50.4 |
| 29 | FIDE 6580025 | 0 | — | −19B | F | −18N | F | −22N | +30B | −21N | 1.0 | 16.0 | 16.0 | 1.00 | 820 | 0.0 |
| 30 | Burgos Gomez, Ander Yarel | 0 | CRC | −11B | −21N | F | −20N | −28B | −29N | +31B | 1.0 | 12.5 | 12.5 | 0.50 | 1333 | 0.0 |
| 31 | Young Zhou, Jason | 1602 | CRC | −4N | −22B | −16N | −13B | F | =25N | −30N | 0.5 | 18.5 | 18.5 | 1.00 | 1356 | -51.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Gomez Guerrero, Fabrizio JosueCRC+57.23.0 pts · #18
- 2Gonzalez Ramos, AndresCRC+52.45.5 pts · #3
- 3Castillo Mendez, Carlos RafaelCRC+48.83.5 pts · #15
Top rating losers
- 1Young Zhou, JasonCRC-51.20.5 pts · #29
- 2Estrada Rodriguez, HendrikCRC-50.83.0 pts · #24
- 3Mora Acuna, Johnny GabrielCRC-50.41.0 pts · #30
Biggest upsets
- R4+368 Elo gap
- R3+264 Elo gap
- R6+216 Elo gap