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LXXI Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez. Sub 16 Fem

Open SwissStandard

21 players participated in this 7-round tournament, held from 01 Apr 2026 to 05 Apr 2026 in QRO, Queretaro, Mexico. Top 10 Elo average was 1577, and top seed was Sofia Garcia Tinajero (🇲🇽 MEX, 1706).

Mayte Alexandra Gardea Coronado (🇲🇽 MEX, 1647) won with 5.5/7, ahead of Ingreed Tzeitzel Bravo Zamorano (5.5) and Isabella Flores Lopez (5.0). Gardea Coronado shared the lead from round 1, winning on tie-break.

The biggest upset came in round 7: Ingreed Tzeitzel Bravo Zamorano (1456) beat Lilia Cristina Valdes Alvarez (1670), a +214-point gap.

Location
🇲🇽QRO, Queretaro, Mexico
Dates
01 Apr 2026 → 05 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇲🇽Sofia Garcia Tinajero1706
Avg top 10
1,577
Participants
21
Federations · 1 represented
🇲🇽Mexico×17
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R4; 2 players tied at 5.5/7, decided on Buchholz.

Co-leaders
9
4
2
1
1
1
2
23.55.57R1R2R3R4R5R6R7
Gardea Coronado5.5Bravo Zamorano5.5Flores Lopez5Resendiz Turbi5Garcia Tinajero4.5Valdes Alvarez4.5
R4–R7 · LEAD HELD

Mayte Alexandra Gardea Coronado held the sole lead from R4 through R7 without losing it.

R7 · TIEBREAK CLUSTER

2 players finish on 5.5/7. Gardea Coronado takes the title on Buchholz Cut1 (28.0).

R1 · HEAD-TO-HEAD · WINNER VS 2ND

Mayte Alexandra Gardea Coronado beat Ingreed Tzeitzel Bravo Zamorano (Black).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Mayte Alexandra Gardea Coronado*
1
1
—
2Ingreed Tzeitzel Bravo Zamorano
0
*——
3Isabella Flores Lopez
0
—*
1
4Miley Jireh Resendiz Turbi——
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Gardea Coronado, Mayte Alexandra1647MEX+2N+3B+15B+6N+8B−5N=7N5.528.030.523.751776+38.8
2Bravo Zamorano, Ingreed Tzeitzel1456MEX−1B+16N+21N+9B+6B=8N+5B5.524.524.517.001740+76.0
3Flores Lopez, Isabella1547MEX+16B−1N+19N+4B=5B=6N+8B5.025.526.516.501681+37.2
4Resendiz Turbi, Miley Jireh1611MEX+18B−8N+12B−3N+13B+10N+15B5.021.523.014.001512-21.6
5Valdes Alvarez, Lilia Cristina1670MEX+10N=9B=7N+13B=3N+1B−2N4.528.531.519.251618-14.4
6Oi, Ireri1563MEX+12N+21B+13N−1B−2N=3B+11N4.525.525.512.001508-14.8
7Garcia Tinajero, Sofia1706MEX+11B−15N=5B+14N=10B+9N=1B4.524.527.017.501727+8.0
8Quezada Luna, Mia Fernanda1555MEX+20N+4B=9N+15B−1N=2B−3N4.027.528.012.751484-19.6
9Solis Rueda, Daniela1520MEX+17B=5N=8B−2N+16N−7B+12N4.023.525.010.751497-7.2
10Dominguez Perez, Valeria1487MEX−5B=17N+18B+12N=7N−4B+16N4.020.522.09.501525+6.0
11Luevano Marquez, Gabriela Getzema1432MEX−7N−12B+17B+19N=15N+14B−6B3.519.020.06.751351-17.2
12Montoya Medina, Elisabet1459MEX−6B+11N−4N−10B+21B+13N−9B3.024.024.06.501283-43.2
13Almendarez Paez, Naomi0MEX+19B+14N−6B−5N−4N−12B+18N3.021.522.55.5013100.0
14Cristobal Maya, Maria Fernanda1447MEXF−13B+20N−7B+19B−11N+17N3.014.014.03.00769-28.0
15Soto Resendiz, Brenda Angelica0MEXF+7B−1N−8N=11B+18B−4N2.524.024.07.7514410.0
16Solorio Castro, Maren0MEX−3N−2BF+21N−9B+20N−10B2.019.019.00.507030.0
17FIDE 296714500—−9N=10B−11N+20B−18NF−14B1.516.516.52.5011500.0
18FIDE 5500253170—−4N=20B−10NF+17B−15N−13B1.516.516.51.757490.0
19Ibanez Calva, Andrea Sofia0MEX−13NF−3B−11B−14NF+20B1.015.015.00.506750.0
20FIDE 5500253250—−8B=18N−14B−17NF−16B−19N0.513.013.00.757010.0
21FIDE 5500253330—F−6N−2B−16B−12NFF0.016.016.00.006930.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
LXXI Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez. Sub 16 Fem (2026) — QRO, Queretaro, Mexico | Chess Tournament Results | ChessStats