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XIV Torneo Internacional y Nacional Abierto de Ajedrez de la Ciudad de Mexico. Sub 9

Open SwissStandard

17 players participated in this 7-round tournament, held from 13 Sept 2025 to 16 Sept 2025 in CDM, Ciudad de Mexico, Mexico. Top 10 Elo average was 320, and top seed was David Alfredo Sahagun Diaz (🇲🇽 MEX, 1626).

David Alfredo Sahagun Diaz (🇲🇽 MEX, 1626) won with 6.5/7, ahead of Rodrigo Martinez Franco (5.0) and Alia Quetzalli Godinez Mejia (5.0). Sahagun Diaz won solo starting round 4.

Location
🇲🇽CDM, Ciudad de Mexico, Mexico
Dates
13 Sept 2025 → 16 Sept 2025
Time control
Standard: 65 minutes for game
System
Swiss · 7 rounds
Top seed
Avg top 10
320
Participants
17
Federations · 1 represented
🇲🇽Mexico×11
Top 3

How it unfolded

Top 6 · 7 rounds

David Alfredo Sahagun Diaz led from R4; +1.5-point edge over the runner-up.

Co-leaders
13
5
2
1
1
1
1
23.55.57R1R2R3R4R5R6R7
R4–R7 · LEAD HELD

David Alfredo Sahagun Diaz never relinquished the lead after R4; final gap +1.5 over the runner-up.

R1–R6 · WIN STREAK

David Alfredo Sahagun Diaz won 6 in a row (R1–R6).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Sahagun Diaz, David Alfredo1626MEX+14N+10B+11N+2N+9B+7B=5N6.525.528.526.252377+17.2
2Martinez Franco, Rodrigo0MEX+?B+6N+5N1B+12N+3B4N5.029.529.518.008260.0
3Godinez Mejia, Alia Quetzalli0MEX+?N=4B+10N=7B+5N2N+8B5.026.526.517.0015770.0
4FIDE 296354970+12B=3N?B+?N=8B+15N+2B5.021.021.016.507760.0
5Santoyo Roman, Luis Alberto0MEX+15B+?N2B+8N3B+11N=1B4.527.527.514.2516260.0
6Rodriguez Perez, Dominick Zadquiel0MEX+?N2B+14N+?B7N+9N=?B4.516.016.07.007770.0
7Salazar Amaro, Pedro Miguel1577MEXF+9N=8B=3N+6B1N+13B4.028.028.017.00826-17.2
8Juarez Gordillo, Sergio Andrei0MEX+13N+?B=7N5B=4N+12B3N4.026.526.512.5015770.0
9Zapata Robles, Gael0MEX+?N7B+13N+11B1N6B+16N4.026.026.011.008020.0
10FIDE 296231970+16B1N3B+17N11B+?B+14N4.023.523.58.008260.0
11Barrera Vite, Derek0MEX+?B+?N1B9N+10N5B+?N4.019.019.04.0016010.0
12Castillo Gonzalez, Michelle0MEX4N+?B+?B+?N2B8N+?B4.014.014.00.0015960.0
13Angeles Quiroz, Iker Santiago0MEX8B+?N9B+?N+?N+?B7N4.012.012.00.0015770.0
14FIDE 2967670301B?N6B+?N+17B+?N10B3.017.017.02.008260.0
15FIDE 2968403005N+17B+?N=16B=?N4B?N3.014.514.53.507760.0
16FIDE 550011960010N+?B=?B=15N?B+?N9B3.011.011.01.507760.0
17FIDE 296270010?B15N+?B10B14NF+?N2.010.010.00.007760.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers