Campeonato Nacional Categoria U20 absoluto 2026
Open SwissStandard
33 players participated in this 7-round tournament, held from 07 Mar 2026 to 15 Mar 2026 in San Jose, Costa Rica. 4 titled players. Top 10 Elo average was 1962, and top seed was Sebastian Angulo Perez (🇨🇷 CRC, CM, 2036).
Sebastian Angulo Perez (🇨🇷 CRC, CM, 2036) won with 6.0/7, ahead of Caleb Vargas Arguedas (5.5) and Martin Eduardo Barboza Viquez (5.0). Angulo Perez took the lead from round 5.
The biggest upset came in round 6: Jason Young Zhou (1553) beat Larissa Mayorga Araya (WCM, 1905), a +352-point gap.
Location
🇨🇷San Jose, Costa Rica
Dates
07 Mar 2026 → 15 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 4
CM×2
WCM×2
Federations · 1 represented
🇨🇷Costa Rica×33
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsCM Sebastian Angulo Perez led from R5; +0.5-point edge over the runner-up.
Co-leaders
13
4
2
1
1
1
1
Angulo Perez6Vargas Arguedas5.5Barboza Viquez5Ramos Rodriguez5Lezcano Martinez4.5Campos Munoz4.5— ex-leaders:Ulloa Jimenezled R4, #12
R5 · LEADER CHANGE14 Mar
CM Sebastian Angulo Perez takes the sole lead (4.5/5).
WIN STREAKS · 2 top finishers
CM Sebastian Angulo Perez 4 wins (R3–R6)Caleb Vargas Arguedas 4 wins (R4–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMSebastian Angulo Perez | * | — | 1 | ½ |
| 2Caleb Vargas Arguedas | — | * | — | — |
| 3CMMartin Eduardo Barboza Viquez | 0 | — | * | — |
| 4Daniel Ramos Rodriguez | ½ | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Angulo Perez, SebastianCM | 2036 | CRC | +6N | =17B | +10N | +3B | +5B | +7N | =4B | 6.0 | 27.5 | 30.5 | 26.50 | 2176 | +42.0 |
| 2 | Vargas Arguedas, Caleb | 2032 | CRC | +27N | =30B | −17N | +16N | +15B | +6B | +5N | 5.5 | 21.0 | 22.5 | 18.75 | 1977 | -6.2 |
| 3 | Barboza Viquez, Martin EduardoCM | 2017 | CRC | +14B | =10N | +15B | −1N | =6N | +19B | +17N | 5.0 | 24.5 | 27.5 | 17.25 | 1946 | -7.6 |
| 4 | Ramos Rodriguez, Daniel | 1921 | CRC | +22N | −11B | +27N | +17B | +21N | =5B | =1N | 5.0 | 23.5 | 25.5 | 16.25 | 1980 | +24.0 |
| 5 | Ulloa Jimenez, Santiago | 1802 | CRC | +20B | +31N | +11B | +21B | −1N | =4N | −2B | 4.5 | 26.5 | 27.0 | 13.00 | 1946 | +23.6 |
| 6 | Campos Prendas, Fabian | 1657 | CRC | −1B | +12N | +31B | +26N | =3B | −2N | +13B | 4.5 | 26.0 | 26.5 | 12.50 | 1919 | +37.0 |
| 7 | Lezcano Martinez, Christopher | 1978 | CRC | +19B | −26N | +18B | +11N | +13B | −1B | =8N | 4.5 | 24.0 | 26.0 | 15.75 | 1865 | -31.2 |
| 8 | Viquez Alfaro, Gabriel | 1584 | CRC | −9B | =14N | =29B | +20N | +18B | +11N | =7B | 4.5 | 22.5 | 24.0 | 14.75 | 1846 | +92.4 |
| 9 | Campos Munoz, ValentinaWCM | 1910 | CRC | +8N | −21B | +19N | −13B | +27N | =17B | +16N | 4.5 | 20.5 | 22.5 | 14.50 | 1819 | -25.6 |
| 10 | Gonzalez Ramos, Andres | 1896 | CRC | +28N | =3B | −1B | =18N | =16B | =13N | +19B | 4.0 | 24.0 | 26.0 | 12.50 | 1807 | -26.4 |
| 11 | Rodriguez Zuniga, Matias Yermay | 1790 | CRC | +29B | +4N | −5N | −7B | +30N | −8B | +14N | 4.0 | 23.5 | 25.0 | 11.50 | 1829 | +16.8 |
| 12 | Young Zhou, Jason | 1553 | CRC | F | −6B | =23N | =28B | +22N | +26N | +18B | 4.0 | 18.5 | 20.5 | 10.50 | 1799 | +76.8 |
| 13 | Miranda Flores, Samy Manuel | 1668 | CRC | +33B | −15N | +20B | +9N | −7N | =10B | −6N | 3.5 | 24.0 | 24.0 | 9.50 | 1733 | +7.6 |
| 14 | Fernandez Jimenez, Mathias | 1692 | CRC | −3N | =8B | +25N | +24B | −17N | +15N | −11B | 3.5 | 22.5 | 25.0 | 10.75 | 1691 | -5.2 |
| 15 | Giachino, Lucas | 1774 | CRC | =24N | +13B | −3N | +29B | −2N | −14B | +25N | 3.5 | 22.5 | 24.0 | 8.75 | 1753 | -8.8 |
| 16 | Zumbado Moreira, Andres | 1604 | CRC | −21N | +25B | +33N | −2B | =10N | +24N | −9B | 3.5 | 22.0 | 22.0 | 7.00 | 1720 | +8.8 |
| 17 | Rojas Vindas, Emmanuel de Jesus | 1791 | CRC | F | =1N | +2B | −4N | +14B | =9N | −3B | 3.0 | 30.0 | 33.5 | 14.25 | 1936 | +22.0 |
| 18 | Flores Elizondo, Mathias | 1741 | CRC | =25N | +24B | −7N | =10B | −8N | +28B | −12N | 3.0 | 22.0 | 24.0 | 7.75 | 1561 | -55.6 |
| 19 | Rivera Mora, Gabriel | 1673 | CRC | −7N | +28B | −9B | +31N | +26B | −3N | −10N | 3.0 | 22.0 | 22.5 | 4.50 | 1749 | +19.6 |
| 20 | Ramirez Ordonez, Brandon Adrian | 1513 | CRC | −5N | +23B | −13N | −8B | +25N | +27B | F | 3.0 | 20.0 | 20.0 | 7.50 | 1639 | +18.6 |
| 21 | Quesada Fallas, Esteban | 2031 | CRC | +16B | +9N | +26B | −5N | −4B | F | F | 3.0 | 19.5 | 19.5 | 10.00 | 1898 | -14.6 |
| 22 | Castillo Mendez, Carlos Rafael | 1629 | CRC | −4B | −29N | −24N | +23B | −12B | +33N | +28N | 3.0 | 18.0 | 18.0 | 5.00 | 1570 | -19.2 |
| 23 | Mena Alvarez, Aidan Malik | 1574 | CRC | −26B | −20N | =12B | −22N | =31B | +29N | +24B | 3.0 | 16.0 | 16.5 | 6.25 | 1480 | -28.4 |
| 24 | Mora Acuna, Johnny Gabriel | 0 | CRC | =15B | −18N | +22B | −14N | +29N | −16B | −23N | 2.5 | 19.5 | 21.0 | 6.25 | 1555 | 0.0 |
| 25 | Briceno Little, Diego | 1464 | CRC | =18B | −16N | −14B | +32N | −20B | +31N | −15B | 2.5 | 17.0 | 17.5 | 2.50 | 1445 | -26.0 |
| 26 | Mayorga Araya, LarissaWCM | 1905 | CRC | +23N | +7B | −21N | −6B | −19N | −12B | F | 2.0 | 22.0 | 22.0 | 7.50 | 1619 | -73.6 |
| 27 | Hincapie Salazar, Daniel | 1668 | CRC | −2B | +32N | −4B | +33N | −9B | −20N | F | 2.0 | 18.5 | 18.5 | 0.50 | 1538 | -18.6 |
| 28 | Arrieta Lopez, Iker Gorka | 1575 | CRC | −10B | −19N | =32B | =12N | +33B | −18N | −22B | 2.0 | 17.5 | 17.5 | 2.25 | 1390 | -54.0 |
| 29 | Sandoval Blanco, Gustavo | 1576 | CRC | −11N | +22B | =8N | −15N | −24B | −23B | F | 1.5 | 20.5 | 20.5 | 5.25 | 1524 | -15.6 |
| 30 | Hernandez Perez, Javier Francisco | 1893 | CRC | +32B | =2N | F | F | −11B | F | F | 1.5 | 10.0 | 10.0 | 3.25 | 1775 | -14.8 |
| 31 | Sandi Sanchez, Jose Gerardo | 0 | CRC | F | −5B | −6N | −19B | =23N | −25B | F | 0.5 | 17.5 | 17.5 | 1.50 | 1281 | 0.0 |
| 32 | Davila Amador, Jordi Saltiel | 1499 | CRC | −30N | −27B | =28N | −25B | F | F | F | 0.5 | 8.0 | 8.0 | 1.00 | 1345 | -14.2 |
| 33 | Corrales Corrales, Fidel | 0 | CRC | −13N | F | −16B | −27B | −28N | −22B | F | 0.0 | 14.5 | 14.5 | 0.00 | 831 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Viquez Alfaro, GabrielCRC+92.44.5 pts · #7
- 2Young Zhou, JasonCRC+76.84.0 pts · #8
- 3Angulo Perez, SebastianCMCRC+42.06.0 pts · #1
Top rating losers
- 1Mayorga Araya, LarissaWCMCRC-73.62.0 pts · #21
- 2Flores Elizondo, MathiasCRC-55.63.0 pts · #20
- 3Arrieta Lopez, Iker GorkaCRC-54.02.0 pts · #30
Biggest upsets
- R6+352 Elo gap
- R4+248 Elo gap
- R4+242 Elo gap