Campeonato Nacional Femenino 2026
12 players participated in this 11-round tournament, held from 29 Jan 2026 to 15 Feb 2026 in San Jose, Costa Rica. 7 titled players. Top 10 Elo average was 1856, and top seed was Sofia Mayorga Araya (🇨🇷 CRC, WIM, 2031).
Sofia Mayorga Araya (🇨🇷 CRC, WIM, 2031) won with 9.5/11, ahead of Maria Elena Rodriguez Arrieta (9.0) and Kristel Meliss Diaz Charpentier (8.0). Mayorga Araya shared the lead from round 8 and won solo starting round 9.
The biggest upset came in round 2: Larissa Mayorga Araya (WCM, 1679) beat Maria Elena Rodriguez Arrieta (WIM, 1933), a +254-point gap.
- 🥇
- 🥈
- 🥉
How it unfolded
Top 12 · 11 roundsWIM Sofia Mayorga Araya led from R9 onwards, the runner-up race stayed tight. Title race converged from 2 co-leaders at R4 to 1 by R9.
WIM Maria Elena Rodriguez Arrieta takes the sole lead (6.0/7).
WIM Sofia Mayorga Araya lost to WIM Maria Elena Rodriguez Arrieta (White).
WIM Sofia Mayorga Araya 7 wins (R5–R11)WIM Maria Elena Rodriguez Arrieta 5 wins (R3–R7)WIM Kristel Meliss Diaz Charpentier 3 wins (R1–R3)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇨🇷WIMMayorga Araya, Sofia | 2031 | * | 0 | 1 | ½ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9.5 | 43.75 | 56.5 | +39.1 | 2114 |
| 2 | 🇨🇷WIMRodriguez Arrieta, Maria Elena | 1933 | 1 | * | ½ | 0 | 1 | 1 | ½ | 1 | 1 | 1 | 1 | 1 | 9.0 | 42.50 | 57.0 | +36.8 | 2076 |
| 3 | 🇨🇷WIMDiaz Charpentier, Kristel Meliss | 1943 | 0 | ½ | * | 1 | 1 | ½ | 1 | 0 | 1 | 1 | 1 | 1 | 8.0 | 35.50 | 58.0 | +14.8 | 1989 |
| 5 | 🇨🇷WCMMayorga Araya, Larissa | 1679 | ½ | 1 | 0 | * | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 7.5 | 32.25 | 58.5 | +150.5 | 1971 |
| 4 | 🇨🇷WCMCampos Munoz, Valentina | 1840 | 0 | 0 | 0 | 1 | * | ½ | 1 | 1 | 1 | 1 | 1 | 1 | 7.5 | 29.00 | 58.5 | +67.6 | 1956 |
| 7 | 🇨🇷WFMGamboa Alvarado, Olga Leticia | 1954 | 0 | 0 | ½ | 1 | ½ | * | 0 | ½ | 1 | ½ | 1 | 1 | 6.0 | 24.00 | 60.0 | -28.8 | 1849 |
| 6 | 🇨🇷WCMCanales Chinchilla, Victoria | 1876 | 0 | ½ | 0 | 0 | 0 | 1 | * | ½ | 1 | 1 | 1 | 1 | 6.0 | 20.25 | 60.0 | -6.0 | 1856 |
| 8 | 🇨🇷Rivera Gutierrez, Geannina Isabela | 1829 | 0 | 0 | 1 | 0 | 0 | ½ | ½ | * | 1 | ½ | 1 | 1 | 5.5 | 20.00 | 60.5 | -3.4 | 1824 |
| 9 | 🇨🇷Campos Astorga, Priscila | 1670 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | * | 1 | ½ | 1 | 2.5 | 3.50 | 63.5 | -14.4 | 1627 |
| 10 | 🇨🇷Arias Carmona, Diana | 1722 | 0 | 0 | 0 | 0 | 0 | ½ | 0 | ½ | 0 | * | ½ | ½ | 2.0 | 7.00 | 64.0 | -77.2 | 1572 |
| 11 | 🇨🇷Guerrero Diaz, Leticia Fiorella | 1668 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | ½ | * | 1 | 2.0 | 2.75 | 64.0 | -42.0 | 1577 |
| 12 | 🇨🇷Sandi Barrantes, Victoria | 1749 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | 0 | * | 0.5 | 1.00 | 65.5 | -77.4 | 1361 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Mayorga Araya, LarissaWCMCRC+150.57.5 pts · #5
- 2Campos Munoz, ValentinaWCMCRC+67.67.5 pts · #4
- 3Mayorga Araya, SofiaWIMCRC+39.19.5 pts · #1
- 1Sandi Barrantes, VictoriaCRC-77.40.5 pts · #12
- 2Arias Carmona, DianaCRC-77.22.0 pts · #10
- 3Guerrero Diaz, Leticia FiorellaCRC-42.02.0 pts · #11
- R2+254 Elo gap
- R6+197 Elo gap
- R10+150 Elo gap