Campeonato Internacional Abierto de Ajedrez Tijuana 2025 Abierta
16 players participated in this 7-round tournament, held from 27 Sept 2025 to 29 Sept 2025 in B C, Tijuana, Mexico. 3 titled players from 2 federations. Top 10 Elo average was 1977, and top seed was Carlos Francisco Varela Velazquez (🇲🇽 MEX, FM, 2217).
Carlos Francisco Varela Velazquez (🇲🇽 MEX, FM, 2217) won with 6.0/7, ahead of Claudia Amura (5.5) and Carlos A Hernandez Rendon (4.5). Varela Velazquez broke clear in the final round.
The biggest upset came in round 4: Carlos A Hernandez Rendon (2030) beat Juan Gomez Quezada (FM, 2158), a +128-point gap.
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How it unfolded
Top 6 · 7 roundsFM Carlos Francisco Varela Velazquez led from R7; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.
FM Carlos Francisco Varela Velazquez takes the sole lead (6.0/7).
FM Carlos Francisco Varela Velazquez drew with WGM Claudia Amura (White).
Carlos A Hernandez Rendon won 3 in a row (R3–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMCarlos Francisco Varela Velazquez | * | ½ | 1 | 1 |
| 2WGMClaudia Amura | ½ | * | ½ | 1 |
| 3Carlos A Hernandez Rendon | 0 | ½ | * | ½ |
| 4Gustavo Gonzalez Amezquita | 0 | 0 | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Varela Velazquez, Carlos FranciscoFM | 2217 | MEX | +15B | =9N | +4B | +5N | =2B | +3N | +7B | 6.0 | 25.0 | 25.0 | 20.75 | 2288 | +20.3 |
| 2 | Amura, ClaudiaWGM | 2115 | ARG | +13B | =3N | +7B | +4N | =1N | +9B | =6N | 5.5 | 25.5 | 26.5 | 19.25 | 2232 | +11.0 |
| 3 | Hernandez Rendon, Carlos A | 2030 | MEX | =10N | =2B | +13N | +9B | +6N | −1B | =4B | 4.5 | 26.0 | 27.0 | 14.50 | 2155 | +22.0 |
| 4 | Gonzalez Amezquita, Gustavo | 2118 | MEX | +16N | +11B | −1N | −2B | +10N | +5B | =3N | 4.5 | 25.5 | 25.5 | 11.75 | 1965 | -16.2 |
| 5 | Mendoza Higuera, Manuel Salvador | 0 | MEX | =11N | +10B | +6N | −1B | =9N | −4N | +8B | 4.0 | 24.0 | 26.5 | 13.25 | 2063 | 0.0 |
| 6 | Montijo Razo, Belarminio Enrique | 1937 | MEX | =14B | +8N | −5B | +7N | −3B | +13N | =2B | 4.0 | 22.0 | 23.0 | 11.25 | 2051 | +32.4 |
| 7 | Perez Escamilla, Alexander Darien | 1840 | MEX | =8B | +14N | −2N | −6B | +11N | +12B | −1N | 3.5 | 23.5 | 24.5 | 7.25 | 1808 | -13.6 |
| 8 | Rico Solis, Ricardo | 1886 | MEX | =7N | −6B | =10N | =11B | +12N | +14B | −5N | 3.5 | 19.0 | 20.0 | 7.50 | 1802 | -6.2 |
| 9 | Gomez Quezada, JuanFM | 2158 | MEX | F | =1B | +12N | −3N | =5B | −2N | +11B | 3.0 | 24.5 | 24.5 | 9.50 | 1943 | -21.4 |
| 10 | Garcia Sandoval, Javier | 0 | MEX | =3B | −5N | =8B | +13N | −4B | −11N | +14B | 3.0 | 20.0 | 21.0 | 6.00 | 1918 | 0.0 |
| 11 | Ibarra Ramirez, Eric | 0 | MEX | =5B | −4N | =14B | =8N | −7B | +10B | −9N | 2.5 | 21.5 | 22.5 | 7.25 | 1679 | 0.0 |
| 12 | Ham Corona, Ana Paola | 1628 | MEX | F | F | −9B | +14N | −8B | −7N | +13B | 2.0 | 12.0 | 12.0 | 2.00 | 1655 | +0.4 |
| 13 | Becerra Noriega, Jose Adria | 1636 | MEX | −2N | F | −3B | −10B | +14N | −6B | −12N | 1.0 | 20.0 | 20.0 | 1.00 | 1108 | -32.8 |
| 14 | Bustamante Lopez, Eric Norberto | 0 | MEX | =6N | −7B | =11N | −12B | −13B | −8N | −10N | 1.0 | 18.5 | 19.5 | 3.25 | 1419 | 0.0 |
| 15 | Robles Sanchez, Fausto | 1829 | MEX | −1N | F | F | F | F | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 1417 | -1.8 |
| 16 | Jampier Silvestre, Alex | 0 | MEX | −4B | F | F | F | F | F | F | 0.0 | 4.5 | 4.5 | 0.00 | 1318 | -3.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Montijo Razo, Belarminio EnriqueMEX+32.44.0 pts · #4
- 2Hernandez Rendon, Carlos AMEX+22.04.5 pts · #3
- 3Varela Velazquez, Carlos FranciscoFMMEX+20.36.0 pts · #2
- 1Becerra Noriega, Jose AdriaMEX-32.81.0 pts · #15
- 2Gomez Quezada, JuanFMMEX-21.43.0 pts · #8
- 3Gonzalez Amezquita, GustavoMEX-16.24.5 pts · #9
- R4+128 Elo gap