CChessStats

Campeonato Internacional Abierto de Ajedrez Tijuana 2025 Sub 2000

Open SwissStandard

16 players participated in this 7-round tournament, held from 27 Sept 2025 to 29 Sept 2025 in B C, Tijuana, Mexico. Top 10 Elo average was 1757, and top seed was Alejandro Segovia Sarmiento (🇲🇽 MEX, 1892).

Aaron Sanchez Nunez (🇲🇽 MEX, 1775) won with 5.0/7, ahead of Bhrayaan Or Robles Vivanco (5.0) and Alejandro Cecena Oropeza (4.0). Sanchez Nunez shared the lead from round 4, winning on tie-break.

The biggest upset came in round 1: Jose Luis Gerardo Avendano (1566) beat Bhrayaan Or Robles Vivanco (1744), a +178-point gap.

Location
🇲🇽B C, Tijuana, Mexico
Dates
27 Sept 2025 → 29 Sept 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
Avg top 10
1,757
Participants
16
Federations · 1 represented
🇲🇽Mexico×16
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R6; 2 players tied at 5.0/7, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 2 at the finish.

Co-leaders
5
2
1
4
3
1
2
23.55.57R1R2R3R4R5R6R7Sanchez Nunez takes lead
R6 · LEADER CHANGE29 Sept

Aaron Sanchez Nunez takes the sole lead (4.5/6).

R7 · TIEBREAK CLUSTER

2 players finish on 5.0/7. Sanchez Nunez takes the title on Buchholz Cut1 (23.5).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Aaron Sanchez Nunez beat Bhrayaan Or Robles Vivanco (White).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Sanchez Nunez, Aaron1775MEX=12N+2B=9N+3B=4B+7N=6B5.023.525.519.002009+74.8
2Robles Vivanco, Bhrayaan Or1744MEX5B1N+14N+15B+8N+3B+7B5.021.022.013.001805+17.6
3Cecena Oropeza, Alejandro1799MEX+11B+4N+10B1N=7B2N=9B4.023.526.513.251781-4.4
4Rodriguez Rincon, Marcos1773MEXF3B+12N+8B=1N=6B+11N4.021.521.513.001803-3.6
5Gerardo Avendano, Jose Luis1566MEX+2N=9B16N10N+13B=8B+15N4.017.518.511.251779+56.4
6Jampier Silvestre, Alex0MEXFF+11N+16B+10B=4N=1N4.016.016.011.501968+12.2
7Segovia Sarmiento, Alejandro1892MEX8N+12B+15N+9B=3N1B2N3.522.523.58.001750-37.2
8Gerardo Cisneros, Ariel Ulises0MEX+7B10N+13B4N2B=5N+14N3.521.522.58.5016660.0
9Martinez Villalobos, Felipe De Je0MEX+13B=5N=1B7N=12BF=3N3.020.521.59.5017440.0
10Siqueiros Jaramillo, Daniel Josue1681MEX+14N+8B3N+5B6N11B13N3.020.521.58.501519-33.6
11Rivera Lopez, Jeshua Omar0MEX3NF6B+14B+16N+10N4B3.017.017.05.0017220.0
12Castillo Martinez, Angel Said1800MEX=1B7N4B+13N=9NFF2.017.517.56.001693-23.6
13Trujillo Guzman, Gema Zophiel1640MEX9N=14B8N12B5N=15B+10B2.016.517.54.001585-13.2
14Meza Flores, Luis Salvado0MEX10B=13N2B11N=15NF8B1.017.517.51.5014840.0
15Ham Corona, Manuel Aaron1641MEXFF7B2N=14B=13N5B1.015.515.51.501388-46.0
16Robles Sanchez, Fausto1829MEXFF+5B6N11BFF1.014.014.04.001706-5.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers