Olimpiada Nacional 2026. Region II. Sub 16 Fem
Open SwissStandard
10 players participated in this 5-round tournament, held from 18 Mar 2026 to 20 Mar 2026 in ZAC, Zacatecas, Mexico. Top 10 Elo average was 803, and top seed was Daniela Ordonez Alarcon (🇲🇽 MEX, 1777).
Daniela Ordonez Alarcon (🇲🇽 MEX, 1777) won with 4.5/5, ahead of Ana Lucia Morales De Leon (3.5) and Debany Berenice Alejandro Betancourt (3.5). Ordonez Alarcon won solo starting round 2.
Location
🇲🇽ZAC, Zacatecas, Mexico
Dates
18 Mar 2026 → 20 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇲🇽Mexico×6
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsDaniela Ordonez Alarcon led from R2; +1.0-point edge over the runner-up.
Co-leaders
5
1
1
1
1
R2–R5 · LEAD HELD
Daniela Ordonez Alarcon never relinquished the lead after R2; final gap +1.0 over the runner-up.
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Daniela Ordonez Alarcon beat Ana Lucia Morales De Leon (Black).
R1–R3 · WIN STREAK
Daniela Ordonez Alarcon won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Daniela Ordonez Alarcon | * | 1 | ½ | 1 |
| 2Ana Lucia Morales De Leon | 0 | * | — | ½ |
| 3Debany Berenice Alejandro Betancourt | ½ | — | * | — |
| 4Lilia Cristina Valdes Alvarez | 0 | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ordonez Alarcon, Daniela | 1777 | MEX | +5B | +2N | +4B | =3N | +7B | 4.5 | 12.5 | 14.5 | 12.75 | 1882 | +13.6 |
| 2 | Morales De Leon, Ana Lucia | 1570 | MEX | +7N | −1B | +8N | +6B | =4N | 3.5 | 11.5 | 13.5 | 7.50 | 1542 | -2.4 |
| 3 | Alejandro Betancourt, Debany Berenice | 1566 | MEX | +9B | =5N | =6N | =1B | +8N | 3.5 | 11.0 | 13.0 | 8.50 | 1777 | +10.8 |
| 4 | Valdes Alvarez, Lilia Cristina | 1692 | MEX | +10N | =6B | −1N | +5B | =2B | 3.0 | 12.5 | 12.5 | 5.25 | 1479 | -22.0 |
| 5 | FIDE 550022903 | 0 | — | −1N | =3B | +9B | −4N | +10B | 2.5 | 13.0 | 13.0 | 3.75 | 1406 | 0.0 |
| 6 | Blackaller Iruegas, Valeria Angel | 0 | MEX | +8B | =4N | =3B | −2N | −9N | 2.0 | 12.0 | 14.0 | 5.25 | 1484 | 0.0 |
| 7 | FIDE 550022881 | 0 | — | −2B | −8N | +10N | +9B | −1N | 2.0 | 12.0 | 12.0 | 2.00 | 872 | 0.0 |
| 8 | Fajardo Sifuentes, Erika Fernanda | 1420 | MEX | −6N | +7B | −2B | +10N | −3B | 2.0 | 11.0 | 11.0 | 2.00 | 767 | 0.0 |
| 9 | FIDE 29679567 | 0 | — | −3N | +10B | −5N | −7N | +6B | 2.0 | 10.0 | 10.0 | 2.00 | 767 | 0.0 |
| 10 | FIDE 550022890 | 0 | — | −4B | −9N | −7B | −8B | −5N | 0.0 | 9.5 | 11.5 | 0.00 | 892 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ordonez Alarcon, DanielaMEX+13.64.5 pts · #1
- 2Alejandro Betancourt, Debany BereniceMEX+10.83.5 pts · #6
- 3Fajardo Sifuentes, Erika FernandaMEX0.02.0 pts · #9
Top rating losers
- 1Valdes Alvarez, Lilia CristinaMEX-22.03.0 pts · #5
- 2Morales De Leon, Ana LuciaMEX-2.43.5 pts · #3
- 3Fajardo Sifuentes, Erika FernandaMEX0.02.0 pts · #9