Campeonato Nacional Categorias Menores Pares 2026 U12 Femenino
12 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 447, and top seed was Ana Maria Corrales Corrales (🇨🇷 CRC, 1582).
Elena Fernandez Mayorga (🇨🇷 CRC, WCM, 1414) won with 6.0/7, ahead of Ana Maria Corrales Corrales (5.5) and Keilym Francinnie Duran Araya (4.5). Fernandez Mayorga won solo starting round 3.
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How it unfolded
Top 6 · 7 roundsWCM Elena Fernandez Mayorga led from R3; +0.5-point edge over the runner-up.
WCM Elena Fernandez Mayorga held the sole lead from R3 through R7 without losing it.
WCM Elena Fernandez Mayorga drew with Ana Maria Corrales Corrales (White).
WCM Elena Fernandez Mayorga 5 wins (R1–R5)Ana Maria Corrales Corrales 4 wins (R2–R5)
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 | Fernandez Mayorga, ElenaWCM | 1414 | CRC | +7N | +9B | +6N | +4B | +3N | =2B | =5N | 6.0 | 27.0 | 29.0 | 24.00 | 1518 | 0.0 |
| 2 | Corrales Corrales, Ana Maria | 1582 | CRC | −3B | +8N | +10B | +5N | +7B | =1N | +6B | 5.5 | 26.5 | 28.5 | 21.00 | 2216 | +11.2 |
| 3 | Duran Araya, Keilym Francinnie | 0 | CRC | +2N | =4B | +?N | +?B | −1B | −5N | +7B | 4.5 | 24.5 | 24.5 | 11.75 | 1600 | 0.0 |
| 4 | Acuna Porras, Ariana | 0 | CRC | +?B | =3N | +5B | −1N | −6B | +8N | +?B | 4.5 | 22.5 | 22.5 | 10.25 | 616 | 0.0 |
| 5 | Toro Jimenez, Samantha Camila | 0 | CRC | +?N | +?B | −4N | −2B | +?N | +3B | =1B | 4.5 | 20.5 | 20.5 | 7.50 | 780 | 0.0 |
| 6 | Serrano Fonseca, Rachel Nicole | 1478 | CRC | +12N | +11B | −1B | −7N | +4N | +9B | −2N | 4.0 | 23.0 | 23.0 | 7.50 | 780 | -11.2 |
| 7 | Segura Villavicencio, Angela | 0 | CRC | −1B | +?N | +11N | +6B | −2N | +?B | −3N | 4.0 | 21.0 | 21.0 | 5.00 | 1498 | 0.0 |
| 8 | FIDE 6571590 | 0 | — | =?N | −2B | +9N | −?B | +11N | −4B | +?B | 3.5 | 13.0 | 13.0 | 3.00 | 780 | 0.0 |
| 9 | FIDE 6572308 | 0 | — | +?B | −1N | −8B | −?N | +10B | −6N | −?B | 2.0 | 15.5 | 15.5 | 2.00 | 616 | 0.0 |
| 10 | FIDE 6560482 | 0 | — | −?N | +12B | −2N | +?B | −9N | −?B | −11N | 2.0 | 8.5 | 8.5 | 0.00 | 780 | 0.0 |
| 11 | FIDE 6571930 | 0 | — | F | −6N | −7B | −?N | −8B | F | +10B | 1.0 | 13.5 | 13.5 | 2.00 | 616 | 0.0 |
| 12 | FIDE 6571883 | 0 | — | −6B | −10N | −?B | F | −?N | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 616 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Corrales Corrales, Ana MariaCRC+11.25.5 pts · #3
- 2FIDE 65604820.02.0 pts · #9
- 3Fernandez Mayorga, ElenaWCMCRC0.06.0 pts · #1
- 1Serrano Fonseca, Rachel NicoleCRC-11.24.0 pts · #5
- 2FIDE 65604820.02.0 pts · #9
- 3Fernandez Mayorga, ElenaWCMCRC0.06.0 pts · #1