XIV Torneo Internacional y Nacional Abierto de Ajedrez de la Ciudad de Mexico. Hidalgo
SwissStandard
56 players participated in this 9-round tournament, held from 11 Sept 2025 to 16 Sept 2025 in CDM, Ciudad de Mexico, Mexico. 22 titled players from 4 federations. Top 10 Elo average was 2411, and top seed was Luis Ernesto Quesada Perez (🇲🇽 MEX, GM, 2559).
Luis Ernesto Quesada Perez (🇲🇽 MEX, GM, 2559) won with 6.5/9, ahead of Carlos Sandoval Mercado (6.5) and Juan Carlos Gonzalez Zamora (6.5). Quesada Perez shared the lead from round 8, winning on tie-break.
The biggest upset came in round 1: Israel Rosales Villegas (1833) beat Javier Benitez Lozano (FM, 2285), a +452-point gap.
Location
🇲🇽CDM, Ciudad de Mexico, Mexico
Dates
11 Sept 2025 → 16 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 22
GM×5
IM×7
FM×6
CM×4
Federations · 4 represented
🇲🇽Mexico×51
🇫🇷France×2
🇨🇺Cuba×2
🇨🇷Costa Rica×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R4; 4 players tied at 6.5/9, decided on Buchholz.
Co-leaders
23
9
3
1
1
2
1
4
4
R4–R9 · LEAD HELD
IM Carlos Sandoval Mercado held the sole lead from R4 through R9 without losing it.
R9 · TIEBREAK CLUSTER
4 players finish on 6.5/9. Quesada Perez takes the title on Buchholz Cut1 (47.5).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
IM Carlos Sandoval Mercado beat GM Luis Ernesto Quesada Perez (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMCarlos Sandoval Mercado | * | 1 | 0 | ½ |
| 2GMLuis Ernesto Quesada Perez | 0 | * | ½ | ½ |
| 3FMJavier Benitez Lozano | 1 | ½ | * | — |
| 4GMJuan Carlos Gonzalez Zamora | ½ | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Quesada Perez, Luis ErnestoGM | 2559 | MEX | +26B | +11N | +9B | −2N | =5B | +13N | +8B | =3N | =4B | 6.5 | 47.5 | 51.5 | 35.50 | 2505 | -3.6 |
| 2 | Sandoval Mercado, CarlosIM | 2410 | MEX | +39N | +15B | +22N | +1B | =6N | =3B | +5B | −4N | =13B | 6.5 | 47.0 | 50.5 | 35.00 | 2445 | +7.6 |
| 3 | Gonzalez Zamora, Juan CarlosGM | 2456 | MEX | +36B | =17N | +21B | =13N | +11B | =2N | +9B | =1B | =8N | 6.5 | 44.5 | 48.0 | 33.50 | 2440 | +1.6 |
| 4 | Benitez Lozano, JavierFM | 2285 | MEX | −29N | +33B | +30N | +28B | −8B | +35N | +23N | +2B | =1N | 6.5 | 38.5 | 42.0 | 29.25 | 2341 | +18.8 |
| 5 | Cori Quispe, Kevin JoelGM | 2453 | MEX | +27N | +18B | =10N | +17B | =1N | +6B | −2N | =14B | =19N | 6.0 | 45.0 | 49.0 | 31.25 | 2411 | -2.1 |
| 6 | Flom, GabrielGM | 2431 | FRA | +24B | +16N | +12B | =8N | =2B | −5N | =7B | =11N | +23N | 6.0 | 44.5 | 49.0 | 31.25 | 2371 | -4.4 |
| 7 | Morales Garcia, Sergio JoshafattFM | 2221 | MEX | +44B | −22N | +26B | =35N | =21B | +38N | =6N | +10B | =14N | 6.0 | 37.0 | 40.0 | 25.75 | 2231 | +6.8 |
| 8 | Miranda Mesa, ElierGM | 2482 | CUB | +30N | +28B | F | =6B | +4N | =10B | −1N | +12N | =3B | 5.5 | 44.5 | 44.5 | 29.00 | 2455 | -0.4 |
| 9 | Fernandez Reyes, LisandroIM | 2341 | MEX | +20N | +42B | −1N | =10B | +17N | =23B | −3N | +16N | =11B | 5.5 | 43.5 | 47.0 | 26.25 | 2282 | -3.8 |
| 10 | Rodriguez Hernandez, Luis DanielIM | 2396 | CUB | +34B | +45N | =5B | =9N | =13B | =8N | =12B | −7N | +17B | 5.5 | 42.5 | 45.5 | 25.50 | 2310 | -7.0 |
| 11 | Herrera Ortiz, MiguelIM | 2174 | MEX | +43N | −1B | +39N | +22B | −3N | =27B | +20N | =6B | =9N | 5.5 | 41.5 | 45.0 | 24.25 | 2221 | +12.8 |
| 12 | Gonzalez Zharikov, AndreyFM | 2197 | MEX | +33N | +29B | −6N | =15B | +45N | =14B | =10N | −8B | +22N | 5.5 | 40.0 | 43.0 | 23.25 | 2213 | +12.5 |
| 13 | Montes Orozco, Miguel AngelFM | 2290 | MEX | F | +51N | +48B | =3B | =10N | −1B | +21N | +18B | =2N | 5.5 | 39.0 | 39.0 | 23.25 | 2356 | +18.6 |
| 14 | Garcia Guerrero, Isaac AntonioFM | 2292 | MEX | −48B | +37N | F | +29B | +18N | =12N | +16B | =5N | =7B | 5.5 | 37.5 | 37.5 | 26.25 | 2229 | -6.4 |
| 15 | Medina Calderon, Victor Manuel | 2016 | MEX | +52B | −2N | +53B | =12N | −23B | +48N | −19B | +24N | +31B | 5.5 | 34.5 | 36.0 | 17.25 | 2085 | +17.2 |
| 16 | Ruiz Perez, Juan Octavio | 2072 | MEX | +25N | −6B | =20N | +46B | =19B | +31N | −14N | −9B | +26B | 5.0 | 39.5 | 42.5 | 20.50 | 2099 | +6.4 |
| 17 | Jorajuria Mendoza, Algol | 2098 | MEX | +40N | =3B | +31B | −5N | −9B | =24N | +44B | +26N | −10N | 5.0 | 39.5 | 42.5 | 20.00 | 2148 | +9.6 |
| 18 | Diaz Guerrero, Jesus DanielCM | 2087 | MEX | +46B | −5N | +47B | =19N | −14B | +34N | +27B | −13N | =30B | 5.0 | 36.5 | 39.5 | 18.00 | 2114 | +11.6 |
| 19 | Gutierrez Perez, Fabian | 2249 | MEX | F | F | +27N | =18B | =16N | =21B | +15N | +22B | =5B | 5.0 | 34.5 | 34.5 | 24.25 | 2235 | +0.4 |
| 20 | Terres Balderrama, Luigi Guadalupe | 1897 | MEX | −9B | +54N | =16B | −31N | +47B | +45N | −11B | +35N | =21N | 5.0 | 34.0 | 35.0 | 15.25 | 2047 | +56.8 |
| 21 | Salinas Cardenas, Rodrigo SalvadorCM | 2033 | MEX | F | +41B | −3N | +25B | =7N | =19N | −13B | +27N | =20B | 4.5 | 40.0 | 40.0 | 20.00 | 2091 | +26.4 |
| 22 | Avendano Porras, RodrigoCM | 1946 | CRC | +55N | +7B | −2B | −11N | =34B | +33N | +35B | −19N | −12B | 4.5 | 39.0 | 39.0 | 14.75 | 2067 | +26.2 |
| 23 | Estrada Nieto, JulianIM | 2175 | MEX | +37B | =48N | F | =42B | +15N | =9N | −4B | +38N | −6B | 4.5 | 36.5 | 36.5 | 18.25 | 2125 | -3.5 |
| 24 | Espana Gonzalez, Jaime | 1909 | MEX | −6N | =25B | =40N | +32B | =44N | =17B | =28N | −15B | +43N | 4.5 | 36.0 | 39.0 | 17.50 | 1920 | +2.0 |
| 25 | Montes De Oca Rojas, Ricardo | 1727 | MEX | −16B | =24N | +37B | −21N | +51B | =36N | −26B | =34N | +44B | 4.5 | 31.5 | 33.5 | 14.25 | 1920 | +87.6 |
| 26 | Leal Escamilla, Daniel Zinedine | 1943 | MEX | −1N | +43B | −7N | =33B | +46N | =28B | +25N | −17B | −16N | 4.0 | 38.0 | 41.0 | 14.75 | 1951 | -2.4 |
| 27 | Lerma Castillo, Juan | 1934 | MEX | −5B | +52N | −19B | +49N | +29B | =11N | −18N | −21B | =32N | 4.0 | 36.5 | 38.5 | 13.25 | 1938 | -2.4 |
| 28 | Frey Beckman, KennethIM | 2102 | MEX | +50B | −8N | +34B | −4N | =31B | =26N | =24B | −30N | =47B | 4.0 | 35.0 | 37.5 | 13.75 | 1949 | -17.9 |
| 29 | Rosales Villegas, Israel | 1833 | MEX | +4B | −12N | +38B | −14N | −27N | −49B | =46N | =40B | +52N | 4.0 | 34.0 | 36.0 | 15.25 | 1907 | +11.6 |
| 30 | Diaz Gonzalez Jardon, Emmanuel | 1937 | MEX | −8B | +50N | −4B | =47N | −33B | +43N | F | +28B | =18N | 4.0 | 33.5 | 36.0 | 14.00 | 2006 | +10.4 |
| 31 | Romano Grobeisen, Elias | 1860 | MEX | +54B | F | −17N | +20B | =28N | −16B | =42N | +33B | −15N | 4.0 | 32.5 | 32.5 | 13.25 | 1944 | +14.2 |
| 32 | Barrios Cruz, Mario Antonio | 1644 | MEX | −45B | −34N | +50B | −24N | −36B | +52N | +51B | =44N | =27B | 4.0 | 26.0 | 28.0 | 10.00 | 1829 | +79.6 |
| 33 | Espana Gonzalez, Jayr | 1822 | MEX | −12B | −4N | +52B | =26N | +30N | −22B | =36B | −31N | =40N | 3.5 | 35.5 | 37.5 | 11.50 | 1868 | +13.2 |
| 34 | De Alba Boudreau, Pablo Elliott | 1904 | MEX | −10N | +32B | −28N | +54B | =22N | −18B | =41N | =25B | −46N | 3.5 | 34.0 | 35.0 | 11.25 | 1759 | -64.0 |
| 35 | Gongora Montes, BenjaminIM | 2140 | MEX | F | +49N | F | =7B | +42N | −4B | −22N | −20B | +41B | 3.5 | 31.5 | 31.5 | 12.50 | 1969 | -26.8 |
| 36 | Vega Castaneda, Ulises Antonio | 1936 | MEX | −3N | =40B | −46N | =50B | +32N | =25B | =33N | F | =38B | 3.5 | 31.0 | 33.5 | 12.75 | 1807 | -29.6 |
| 37 | Ortega Garduno, Luis Alfonso | 1812 | MEX | −23N | −14B | −25N | +52B | +56N | +39B | −45B | −41N | =51N | 3.5 | 28.5 | 28.5 | 6.50 | 1791 | -19.2 |
| 38 | Lopez Michelone, ManuelFM | 1953 | MEX | F | F | −29N | +41B | +39N | −7B | +49N | −23B | =36N | 3.5 | 27.5 | 27.5 | 11.25 | 1920 | -5.4 |
| 39 | Tututi Guillen, Eduardo | 1908 | MEX | −2B | +56N | −11B | +53N | −38B | −37N | =50B | −47N | +54B | 3.5 | 27.0 | 27.0 | 3.75 | 1753 | -69.6 |
| 40 | Monjaras Perez, Jose Miguel | 1767 | MEX | −17B | =36N | =24B | −51N | −49B | +55N | =53B | =29N | =33B | 3.5 | 26.5 | 26.5 | 8.50 | 1732 | -9.4 |
| 41 | Pulido Velasco, Miriam Pamela | 1623 | MEX | F | −21N | +51B | −38N | −48B | +47N | =34B | +37B | −35N | 3.5 | 26.0 | 26.0 | 10.25 | 1865 | +85.6 |
| 42 | Castro Esparza, Raul | 1951 | MEX | +56B | −9N | +55B | =23N | −35B | =44N | =31B | F | F | 3.5 | 23.5 | 23.5 | 5.75 | 1933 | -3.0 |
| 43 | Mendoza Reyes, Fernando | 1799 | MEX | −11B | −26N | +56B | F | =54N | −30B | +55N | +53N | −24B | 3.5 | 20.5 | 20.5 | 2.00 | 1767 | -6.8 |
| 44 | Vega Castaneda, Luis CarlosCM | 1821 | MEX | −7N | F | =49B | +55N | =24B | =42B | −17N | =32B | −25N | 3.0 | 30.0 | 30.0 | 7.25 | 1758 | -16.4 |
| 45 | Silva Hernandez, Jose Luis | 1977 | MEX | +32N | −10B | F | +48N | −12B | −20B | +37N | F | F | 3.0 | 29.5 | 29.5 | 10.00 | 1966 | -3.2 |
| 46 | Castillo Vallejo, Kimberly | 1761 | MEX | −18N | F | +36B | −16N | −26B | =51N | =29B | F | +34B | 3.0 | 29.5 | 29.5 | 10.00 | 1897 | +22.2 |
| 47 | Quiroz Frias, Alvaro | 1823 | MEX | F | F | −18N | =30B | −20N | −41B | +54N | +39B | =28N | 3.0 | 26.0 | 26.0 | 8.50 | 1801 | -8.8 |
| 48 | Yescas Lopez, Lorenzo | 1868 | MEX | +14N | =23B | −13N | −45B | +41N | −15B | F | F | F | 2.5 | 31.5 | 31.5 | 11.25 | 1998 | +15.0 |
| 49 | Acevedo Vargas, Alonso Gabriel | 1744 | MEX | F | −35B | =44N | −27B | +40N | +29N | −38B | F | F | 2.5 | 25.0 | 25.0 | 9.00 | 1851 | +28.0 |
| 50 | Salazar Moreno, Rafael | 1787 | MEX | −28N | −30B | −32N | =36N | +53B | =54B | =39N | F | F | 2.5 | 24.5 | 24.5 | 5.50 | 1739 | -9.0 |
| 51 | Estrada, Ricardo | 1852 | FRA | F | −13B | −41N | +40B | −25N | =46B | −32N | F | =37B | 2.0 | 28.5 | 28.5 | 6.75 | 1640 | -84.0 |
| 52 | Solis Bazaldua, Arturo | 1726 | MEX | −15N | −27B | −33N | −37N | +55B | −32B | +56N | F | −29B | 2.0 | 24.5 | 24.5 | 0.00 | 1578 | -61.6 |
| 53 | Espinosa Miranda, Carlo Guillermo | 1653 | MEX | F | F | −15N | −39B | −50N | +56B | =40N | −43B | F | 1.5 | 18.5 | 18.5 | 1.75 | 1627 | -10.8 |
| 54 | Felix Perez, Jeronimo | 0 | MEX | −31N | −20B | F | −34N | =43B | =50N | −47B | F | −39N | 1.0 | 27.0 | 27.0 | 3.00 | 1545 | 0.0 |
| 55 | Mayen Esquivel, Victor Manuel | 1461 | MEX | −22B | F | −42N | −44B | −52N | −40B | −43B | F | F | 0.0 | 20.0 | 20.0 | 0.00 | 1006 | -28.0 |
| 56 | Calderon Giorguli, Miguel | 1641 | MEX | −42N | −39B | −43N | F | −37B | −53N | −52B | F | F | 0.0 | 17.5 | 17.5 | 0.00 | 1008 | -69.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Montes De Oca Rojas, RicardoMEX+87.64.5 pts · #24
- 2Pulido Velasco, Miriam PamelaMEX+85.63.5 pts · #35
- 3Barrios Cruz, Mario AntonioMEX+79.64.0 pts · #26
Top rating losers
- 1Estrada, RicardoFRA-84.02.0 pts · #49
- 2Tututi Guillen, EduardoMEX-69.63.5 pts · #47
- 3Calderon Giorguli, MiguelMEX-69.60.0 pts · #56
Biggest upsets
- R1+452 Elo gap
- R1+424 Elo gap
- R2+275 Elo gap