Campeonato Nacional Femenil de Ajedrez Zacatecas 2025
Open SwissStandard
36 players participated in this 9-round tournament, held from 25 Sept 2025 to 30 Sept 2025 in ZAC, Zacatecas, Mexico. 13 titled players. Top 10 Elo average was 1990, and top seed was Zenia Corrales Jimenez (🇲🇽 MEX, WIM, 2171).
Tania Miranda Rodriguez (🇲🇽 MEX, WIM, 2032) won with 7.0/9, ahead of Zenia Corrales Jimenez (7.0) and Paula Sofia Hernandez Diaz (6.5). Miranda Rodriguez shared the lead from round 6, winning on tie-break.
The biggest upset came in round 3: Keren Sanchez Lopez (WCM, 1653) beat Sandra N Guillen Cristobal (WFM, 2012), a +359-point gap.
Location
🇲🇽ZAC, Zacatecas, Mexico
Dates
25 Sept 2025 → 30 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 13
WIM×3
WFM×4
WCM×6
Federations · 1 represented
🇲🇽Mexico×32
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R8; 2 players tied at 7.0/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
13
5
2
2
1
2
2
1
2
Miranda Rodriguez7Corrales Jimenez7Hernandez Diaz6.5Guillen Cristobal6.5Martinez de La Trinidad6Guzman Garcia6
R8 · LEADER CHANGE29 Sept
WIM Tania Miranda Rodriguez takes the sole lead (6.5/8).
R9 · TIEBREAK CLUSTER
2 players finish on 7.0/9. Miranda Rodriguez takes the title on Buchholz Cut1 (43.5).
WIN STREAKS · 3 top finishers
WIM Tania Miranda Rodriguez 3 wins (R1–R3)WIM Zenia Corrales Jimenez 4 wins (R6–R9)WFM Paula Sofia Hernandez Diaz 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1WIMTania Miranda Rodriguez | * | — | ½ | — |
| 2WIMZenia Corrales Jimenez | — | * | — | — |
| 3WFMPaula Sofia Hernandez Diaz | ½ | — | * | — |
| 4WFMSandra N Guillen Cristobal | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Miranda Rodriguez, TaniaWIM | 2032 | MEX | +13N | +15B | +25N | −11B | +6N | +5B | =7N | +12B | =3N | 7.0 | 43.5 | 47.0 | 36.00 | 2122 | +20.8 |
| 2 | Corrales Jimenez, ZeniaWIM | 2171 | MEX | +18N | +6B | −5N | +28B | −7N | +17B | +8N | +9B | +11N | 7.0 | 42.5 | 45.5 | 34.00 | 2068 | -14.0 |
| 3 | Hernandez Diaz, Paula SofiaWFM | 1992 | MEX | =24N | +29B | +19N | +5B | =11N | =8B | =15N | +7B | =1B | 6.5 | 41.5 | 44.5 | 31.75 | 2027 | +11.8 |
| 4 | Guillen Cristobal, Sandra NWFM | 2012 | MEX | +26B | −8N | −13B | +27N | +32N | +16B | +14N | =11B | +7N | 6.5 | 36.5 | 39.0 | 26.00 | 1940 | -9.0 |
| 5 | Martinez de La Trinidad, AlexandraWFM | 1935 | MEX | +20N | +10B | +2B | −3N | +14B | −1N | −16N | +15B | +12N | 6.0 | 45.0 | 49.0 | 31.00 | 2003 | +18.0 |
| 6 | Guzman Garcia, Mia FernandaWCM | 1913 | MEX | +23B | −2N | +24B | +17N | −1B | −12N | +26B | +14N | +16N | 6.0 | 40.5 | 43.5 | 24.50 | 1945 | +13.3 |
| 7 | Montano Vicente, GuadalupeWFM | 2033 | MEX | +17B | =12N | +9B | +16N | +2B | =11N | =1B | −3N | −4B | 5.5 | 47.0 | 51.5 | 30.00 | 2013 | -2.8 |
| 8 | Tec Rodas, Sofia IsavelinaWCM | 1845 | MEX | +28N | +4B | −11N | +10B | +15N | =3N | −2B | −16B | +19N | 5.5 | 44.0 | 47.0 | 27.25 | 1974 | +54.4 |
| 9 | Gonzalez Romo, Greshya Jocelyn | 1713 | MEX | +27N | =16B | −7N | +21B | −12B | +29N | +34B | −2N | +15N | 5.5 | 36.5 | 38.5 | 18.75 | 1872 | +26.0 |
| 10 | Sotelo Anguiano, Daniela | 1718 | MEX | +36B | −5N | +27B | −8N | −26B | +32N | =13B | +34N | +24B | 5.5 | 30.5 | 30.5 | 13.50 | 1675 | -16.0 |
| 11 | Avila Fraire, AmeyalliWCM | 1958 | MEX | F | +14N | +8B | +1N | =3B | =7B | =12N | =4N | −2B | 5.0 | 48.0 | 50.0 | 29.25 | 2066 | +22.8 |
| 12 | Guerrero Rodriguez, AlejandraWIM | 1897 | MEX | +35N | =7B | −16N | +18B | +9N | +6B | =11B | −1N | −5B | 5.0 | 44.0 | 45.0 | 22.25 | 1903 | +2.0 |
| 13 | Sanchez Lopez, KerenWCM | 1653 | MEX | −1B | +23N | +4N | −15B | +25N | −14B | =10N | =18B | +27N | 5.0 | 40.5 | 43.5 | 22.00 | 1807 | +24.0 |
| 14 | Vargas Reyes, Gloria Tzotzi | 1789 | MEX | +22N | −11B | +30N | +25B | −5N | +13N | −4B | −6B | +20N | 5.0 | 40.0 | 43.0 | 19.50 | 1803 | +2.0 |
| 15 | Coronado Osorio, Sofia Abigail | 1808 | MEX | +21B | −1N | +33B | +13N | −8B | +26N | =3B | −5N | −9B | 4.5 | 42.5 | 44.5 | 17.25 | 1760 | -11.4 |
| 16 | Castellanos Hernandez, Lhia ItzayanaWCM | 1930 | MEX | F | =9N | +12B | −7B | +34N | −4N | +5B | +8N | −6B | 4.5 | 42.0 | 42.0 | 21.25 | 1921 | -0.4 |
| 17 | Hurtado Montiel, Citlalli | 1693 | MEX | −7N | +35B | +32N | −6B | +28N | −2N | +21B | −19B | =18N | 4.5 | 37.0 | 38.0 | 12.75 | 1556 | -27.2 |
| 18 | Aguilar Sanchez, Citlalli Genoveva | 1709 | MEX | −2B | =24B | +29N | −12N | +33B | =19N | =25B | =13N | =17B | 4.5 | 36.0 | 38.0 | 15.50 | 1780 | +13.8 |
| 19 | Ortega Beltran, Ximena | 1860 | MEX | F | +31N | −3B | −34N | +30B | =18B | +20N | +17N | −8B | 4.5 | 33.0 | 33.0 | 16.75 | 1690 | -27.0 |
| 20 | Santos Reyes, Alba Miranda | 1567 | MEX | −5B | −21N | +36B | −26N | +27B | +22N | −19B | +23N | −14B | 4.0 | 33.5 | 33.5 | 11.00 | 1010 | -34.0 |
| 21 | Sanchez Oyervidez, Gina Mariana | 0 | MEX | −15N | +20B | F | −9N | +24B | −34B | −17N | +33B | +29B | 4.0 | 29.0 | 29.0 | 12.50 | 1666 | 0.0 |
| 22 | Rodriguez Padilla, Itzia Janet | 0 | MEX | −14B | −33N | +23B | −31N | +35B | −20B | −27N | +30N | +26B | 4.0 | 27.0 | 28.0 | 11.00 | 1460 | 0.0 |
| 23 | FIDE 29668123 | 0 | — | −6N | −13B | −22N | F | +36B | +30N | +32B | −20B | +35N | 4.0 | 25.5 | 25.5 | 6.50 | 912 | 0.0 |
| 24 | Rangel Guzman, Fernanda | 1630 | MEX | =3B | =18N | −6N | =30B | −21N | +31B | +29B | F | −10N | 3.5 | 36.0 | 39.0 | 13.00 | 1725 | +20.0 |
| 25 | Padilla Garcia, Cecilia XasiveWCM | 1928 | MEX | +30N | +32B | −1B | −14N | −13B | +28N | =18N | F | F | 3.5 | 33.5 | 33.5 | 10.75 | 1474 | -43.2 |
| 26 | Dominguez Martinez, Paola Irali | 1657 | MEX | −4N | −28B | +35N | +20B | +10N | −15B | −6N | −27B | −22N | 3.0 | 36.5 | 37.5 | 10.50 | 1732 | +14.8 |
| 27 | Alvarado Martinez, Martha Gabriela | 0 | MEX | −9B | F | −10N | −4B | −20N | +36N | +22B | +26N | −13B | 3.0 | 33.5 | 33.5 | 7.00 | 1447 | 0.0 |
| 28 | Urbina Garcia, Irasema | 0 | MEX | −8B | +26N | +31B | −2N | −17B | −25B | +33N | −29N | F | 3.0 | 31.5 | 33.5 | 8.00 | 1634 | 0.0 |
| 29 | Morales Vasquez, Miguelina Malinalli | 1647 | MEX | F | −3N | −18B | +36N | +31B | −9B | −24N | +28B | −21N | 3.0 | 30.0 | 30.0 | 6.00 | 961 | -58.8 |
| 30 | Loyola Vazquez, Andrea Georgina | 0 | MEX | −25B | +36N | −14B | =24N | −19N | −23B | =31N | −22B | +33B | 3.0 | 29.5 | 29.5 | 5.25 | 1612 | 0.0 |
| 31 | FIDE 5183049 | 0 | — | F | −19B | −28N | +22B | −29N | −24N | =30B | +36N | =32B | 3.0 | 23.5 | 23.5 | 6.75 | 912 | 0.0 |
| 32 | Bermeo Romo, Tanis | 0 | MEX | F | −25N | −17B | +33N | −4B | −10B | −23N | +35B | =31N | 2.5 | 30.0 | 30.0 | 4.50 | 1550 | 0.0 |
| 33 | Rodriguez Sifuentes, Aida | 1599 | MEX | F | +22B | −15N | −32B | −18N | +35B | −28B | −21N | −30N | 2.0 | 30.5 | 31.5 | 5.00 | 959 | -23.2 |
| 34 | Sarabia Arguello, Wendy | 1675 | MEX | F | F | F | +19B | −16B | +21N | −9N | −10B | F | 2.0 | 27.0 | 27.0 | 8.50 | 1612 | -6.8 |
| 35 | FIDE 29692334 | 0 | — | −12B | −17N | −26B | F | −22N | −33N | +36B | −32N | −23B | 1.0 | 25.0 | 25.0 | 0.00 | 911 | 0.0 |
| 36 | FIDE 29682690 | 0 | — | −10N | −30B | −20N | −29B | −23N | −27B | −35N | −31B | F | 0.0 | 26.5 | 26.5 | 0.00 | 844 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Tec Rodas, Sofia IsavelinaWCMMEX+54.45.5 pts · #11
- 2Gonzalez Romo, Greshya JocelynMEX+26.05.5 pts · #15
- 3Sanchez Lopez, KerenWCMMEX+24.05.0 pts · #17
Top rating losers
- 1Morales Vasquez, Miguelina MalinalliMEX-58.83.0 pts · #36
- 2Padilla Garcia, Cecilia XasiveWCMMEX-43.23.5 pts · #29
- 3Santos Reyes, Alba MirandaMEX-34.04.0 pts · #30
Biggest upsets
- R3+359 Elo gap
- R5+275 Elo gap
- R3+236 Elo gap