CChessStats

Olimpiada Nacional 2026. Region IV. Sub 12 Fem

Open SwissStandard

9 players participated in this 5-round tournament, held from 18 Mar 2026 to 20 Mar 2026 in MOR, Cuernavaca, Mexico. Top 10 Elo average was 519, and top seed was Alondra Bagatella Avalos (🇲🇽 MEX, 1654).

Alondra Bagatella Avalos (🇲🇽 MEX, 1654) won with 5.0/5, ahead of Andrea Jatziry Peralta Isidro (3.5) and Estefania Gaona Garrido (3.0). Bagatella Avalos won solo starting round 3.

The biggest upset came in round 1: Estefania Gaona Garrido (1443) beat Michelle Castillo Gonzalez (1570), a +127-point gap.

Location
🇲🇽MOR, Cuernavaca, Mexico
Dates
18 Mar 2026 → 20 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
Avg top 10
519
Participants
9
Federations · 1 represented
🇲🇽Mexico×6
Top 3

How it unfolded

Top 6 · 5 rounds

Alondra Bagatella Avalos led from R3; +1.5-point edge over the runner-up.

Co-leaders
5
2
1
1
1
1.52.545R1R2R3R4R5
R3–R5 · LEAD HELD

Alondra Bagatella Avalos never relinquished the lead after R3; final gap +1.5 over the runner-up.

R1–R5 · WIN STREAK

Alondra Bagatella Avalos won 5 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Bagatella Avalos, Alondra1654MEX+5N+8B+3N+6B+4N5.011.512.012.002242+9.2
2Peralta Isidro, Andrea Jatziry0MEX+7N=6B4N+8B+3N3.59.510.05.7514620.0
3Gaona Garrido, Estefania1443MEX+9N+4B1B+5N2B3.014.515.06.501615+18.0
4Pedraza Rodriguez, Valeri Itzayan0MEX+?B3N+2B+?N1B3.011.511.53.507480.0
5Lopez Arevalo, Luna Estephania0MEX1B+?N+9B3B+6N3.011.011.03.0014320.0
6FIDE 5500227170+?N=2N+7B1N5B2.512.512.52.758540.0
7FIDE 2962338302B+9B6N?NF1.06.56.50.5015960.0
8FIDE 5500227090F1N?B2N=9N0.59.09.00.2514220.0
9Castillo Gonzalez, Michelle1570MEX3B7N5NF=8B0.57.57.50.25642-27.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets