1er Nacional de Ajedrez "Mtro. Mario Jordan Velazquez Coello" In Memoriam Cat. U-1701
Open SwissStandard
56 players participated in this 6-round tournament, held from 24 Oct 2025 to 26 Oct 2025 in TAB, Villahermosa, Mexico. Top 10 Elo average was 1640, and top seed was Eliud David Lopez Hernandez (🇲🇽 MEX, 1685).
Victor Jesus Lara Rosado (🇲🇽 MEX, 0) won with 5.5/6, ahead of Jose Manuel Perez Pimienta (5.0) and Santiago Flores Salgado (5.0). Lara Rosado clinched sole first place in the final round.
The biggest upset came in round 4: Valeria Valentina Lopez Vina (1432) beat Carlos Euclides Hernandez Castellanos (1657), a +225-point gap.
Location
🇲🇽TAB, Villahermosa, Mexico
Dates
24 Oct 2025 → 26 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇲🇽Mexico×37
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsVictor Jesus Lara Rosado led from R6; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.
Co-leaders
29
9
4
2
1
1
R6 · LEADER CHANGE26 Oct
Victor Jesus Lara Rosado takes the sole lead (5.5/6).
WIN STREAKS · 2 top finishers
Victor Jesus Lara Rosado 4 wins (R3–R6)Jose Manuel Perez Pimienta 5 wins (R1–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Victor Jesus Lara Rosado | * | — | 1 | — |
| 2Luis Jesus Lanz Molina | — | * | — | — |
| 3Jose Manuel Perez Pimienta | 0 | — | * | 1 |
| 4FIDE 550002732 | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lara Rosado, Victor Jesus | 0 | MEX | +9B | =?N | +12B | +8N | +27B | +2N | 5.5 | 20.5 | 20.5 | 20.50 | 1594 | 0.0 |
| 2 | Perez Pimienta, Jose Manuel | 0 | MEX | +39N | +?B | +5N | +25B | +3N | −1B | 5.0 | 21.0 | 21.0 | 15.50 | 1675 | 0.0 |
| 3 | Flores Salgado, Santiago | 1672 | MEX | +31N | +17B | +15N | +24N | −2B | +16B | 5.0 | 20.0 | 23.0 | 18.00 | 2485 | +20.8 |
| 4 | Lanz Molina, Luis Jesus | 1680 | MEX | +48N | =7B | +20N | +36B | =6N | +10B | 5.0 | 19.5 | 21.0 | 16.25 | 1822 | +20.0 |
| 5 | FIDE 550002732 | 0 | — | +19B | +27N | −2B | +28N | +24B | +11N | 5.0 | 18.5 | 21.5 | 16.50 | 1705 | 0.0 |
| 6 | Zavala Hernandez, Felipe Andres | 0 | MEX | +?N | +?B | =35N | +18N | =4B | +22B | 5.0 | 14.5 | 14.5 | 10.75 | 1680 | 0.0 |
| 7 | Peralta Jimenez, Mayrin Elizabeth | 1595 | MEX | +40N | =4N | −18B | +21B | +39N | +19N | 4.5 | 18.0 | 20.5 | 14.50 | 1680 | +4.4 |
| 8 | Javier Sibaja, Gustavo | 1578 | MEX | =35N | +21B | +29N | −1B | +36N | +24B | 4.5 | 17.5 | 20.0 | 13.25 | 2471 | +50.4 |
| 9 | De La Cruz Melquiades, Mauricio | 0 | MEX | −1N | +33B | +?N | +13B | −16N | +27N | 4.0 | 19.5 | 19.5 | 10.00 | 1642 | 0.0 |
| 10 | Zuniga Montejo, Angeles Guadalupe | 1619 | MEX | +46N | +38B | −24B | +15N | +26B | −4N | 4.0 | 17.5 | 19.5 | 11.50 | 883 | -33.2 |
| 11 | FIDE 29634300 | 0 | — | =21N | =37B | +50N | +34B | +25N | −5B | 4.0 | 16.5 | 18.0 | 10.00 | 1584 | 0.0 |
| 12 | Uc Yam, Francisco Alejandro | 1592 | MEX | +33N | =49B | −1N | +55B | =14N | +37B | 4.0 | 16.5 | 17.0 | 8.75 | 1680 | +4.8 |
| 13 | Lopez Vina, Samuel Ernesto | 1622 | MEX | +32B | +26N | −25B | −9N | +53B | +28N | 4.0 | 16.0 | 17.0 | 10.00 | 1552 | -7.6 |
| 14 | FIDE 29607582 | 0 | — | =23N | −18B | +52N | +?B | =12B | +25N | 4.0 | 15.0 | 15.0 | 7.75 | 1616 | 0.0 |
| 15 | Campos Ruiz, Angel Leonardo | 0 | MEX | +52N | +?N | −3B | −10B | +?N | +30B | 4.0 | 13.0 | 13.0 | 4.00 | 845 | 0.0 |
| 16 | Guzman Martinez, Immer Isai | 0 | MEX | +?B | −25N | +?B | +?N | +9B | −3N | 4.0 | 12.0 | 12.0 | 4.00 | 1462 | 0.0 |
| 17 | FIDE 29634296 | 0 | — | +?B | −3N | −19B | +?N | +?B | +26N | 4.0 | 11.5 | 11.5 | 3.00 | 1549 | 0.0 |
| 18 | Vazquez Cortes, Alessandro Farid | 0 | MEX | =41B | +14N | +7N | −6B | +37N | −?B | 3.5 | 18.0 | 18.0 | 12.00 | 1544 | 0.0 |
| 19 | FIDE 550013190 | 0 | — | −5N | +?B | +17N | =22B | +?N | −7B | 3.5 | 17.0 | 17.0 | 5.75 | 797 | 0.0 |
| 20 | Lopez Vina, Valeria Valentina | 1432 | MEX | +56N | =43N | −4B | +29B | −22N | +35B | 3.5 | 16.0 | 16.0 | 6.50 | 1669 | +23.6 |
| 21 | Tzab Loeza, Angel Rene | 0 | MEX | =11B | −8N | +?B | −7N | +55N | +40B | 3.5 | 16.0 | 16.0 | 5.00 | 788 | 0.0 |
| 22 | Rebolledo Perez, Juan Daniel | 0 | MEX | +?B | −24N | +?B | =19N | +20B | −6N | 3.5 | 15.0 | 15.0 | 5.25 | 1534 | 0.0 |
| 23 | Gonzalez Lopez, Jorge Alejandro | 0 | MEX | =14B | +?N | −?B | +32N | =?B | =34N | 3.5 | 9.5 | 9.5 | 6.25 | 1297 | 0.0 |
| 24 | Lopez Hernandez, Eliud David | 1685 | MEX | +51N | +22B | +10N | −3B | −5N | −8N | 3.0 | 22.0 | 23.5 | 9.00 | 1498 | -30.4 |
| 25 | Olguin Puc, Angel De Jesus | 1599 | MEX | +54N | +16B | +13N | −2N | −11B | −14B | 3.0 | 21.0 | 22.0 | 9.00 | 2422 | +21.2 |
| 26 | Pinto Arias, Cristhian Kevin | 0 | MEX | +45N | −13B | +48N | +?B | −10N | −17B | 3.0 | 15.5 | 15.5 | 3.50 | 821 | 0.0 |
| 27 | Ruiz Lopez, Pablo Staling | 0 | MEX | +?N | −5B | +53N | +?B | −1N | −9B | 3.0 | 15.5 | 15.5 | 1.00 | 1525 | 0.0 |
| 28 | FIDE 550013238 | 0 | — | +?N | =36N | =43B | −5B | +49N | −13B | 3.0 | 15.0 | 15.0 | 3.75 | 1651 | 0.0 |
| 29 | Hernandez Castellanos, Carlos Euclides | 1657 | MEX | +34N | F | −8B | −20N | +50B | +38N | 3.0 | 14.5 | 14.5 | 6.50 | 1374 | -44.4 |
| 30 | Madrigal Madrazo, Luis Xavier | 0 | MEX | −?B | +31N | −34B | +41N | +44B | −15N | 3.0 | 13.5 | 13.5 | 7.00 | 690 | 0.0 |
| 31 | FIDE 29655021 | 0 | — | −3B | −30B | +45N | −?N | +?B | +?B | 3.0 | 10.0 | 10.0 | 2.00 | 871 | 0.0 |
| 32 | FIDE 550013173 | 0 | — | −13N | +42B | =?N | −23B | =?N | +?B | 3.0 | 9.5 | 9.5 | 2.00 | 1605 | 0.0 |
| 33 | Pinto Arias, Derek Omar | 0 | MEX | −12B | −9N | F | +48B | +?N | +?N | 3.0 | 9.5 | 9.5 | 1.50 | 792 | 0.0 |
| 34 | Negrete Santos, Samuel Jesus | 1488 | MEX | −29B | +56B | +30N | −11N | F | =23B | 2.5 | 15.5 | 15.5 | 4.75 | 857 | -11.2 |
| 35 | Solis Rueda, Daniela | 0 | MEX | =8B | +41N | =6B | =?N | −?B | −20N | 2.5 | 15.0 | 15.0 | 6.75 | 1227 | 0.0 |
| 36 | Camargo Manzanero, Gibran Fabrizi | 0 | MEX | +?N | =28B | F | −4N | −8B | +?N | 2.5 | 14.0 | 14.0 | 1.50 | 829 | 0.0 |
| 37 | FIDE 550013149 | 0 | — | F | =11N | +?B | +43N | −18B | −12N | 2.5 | 13.5 | 13.5 | 4.00 | 792 | 0.0 |
| 38 | Sanchez Diaz, Alan De Jesus | 0 | MEX | +42N | −10N | =41B | −39B | +?N | −29B | 2.5 | 13.5 | 13.5 | 3.00 | 1496 | 0.0 |
| 39 | Martinez Rios, Angel Mario | 0 | MEX | −2B | +?N | =55B | +38N | −7B | F | 2.5 | 12.5 | 12.5 | 2.75 | 797 | 0.0 |
| 40 | FIDE 550013246 | 0 | — | −7B | +44N | −?B | +?N | =?B | −21N | 2.5 | 10.0 | 10.0 | 2.00 | 797 | 0.0 |
| 41 | Pelaez Guichard, Luis Fernando | 0 | MEX | =18N | −35B | =38N | −30B | −42N | +52B | 2.0 | 13.5 | 14.5 | 4.00 | 788 | 0.0 |
| 42 | Uc Catzim, Yaely Itzel | 1589 | MEX | −38B | −32N | +47B | −53N | +41B | F | 2.0 | 11.5 | 12.5 | 4.00 | 705 | -24.4 |
| 43 | FIDE 5150884 | 0 | — | +?N | =20B | =28N | −37B | F | F | 2.0 | 11.5 | 11.5 | 3.25 | 1449 | 0.0 |
| 44 | FIDE 29634385 | 0 | — | −49N | −40B | +46N | +54B | −30N | F | 2.0 | 11.0 | 12.0 | 3.00 | 880 | 0.0 |
| 45 | Chevanier Murillo, Sonia | 0 | MEX | −26B | −?N | −31B | F | +47N | +53B | 2.0 | 9.0 | 9.0 | 3.00 | 1525 | 0.0 |
| 46 | FIDE 550013181 | 0 | — | −10B | −?N | −44B | +52B | +48N | −?N | 2.0 | 8.5 | 8.5 | 2.50 | 819 | 0.0 |
| 47 | FIDE 550013157 | 0 | — | −?B | −?B | −42N | +?N | −45B | +?N | 2.0 | 4.0 | 4.0 | 0.00 | 788 | 0.0 |
| 48 | FIDE 550006622 | 0 | — | −4B | +?N | −26B | −33N | −46B | =?N | 1.5 | 13.0 | 13.0 | 0.00 | 880 | 0.0 |
| 49 | Ignacio Sanchez, Andres | 1680 | MEX | +44B | =12N | F | F | −28B | F | 1.5 | 11.5 | 11.5 | 4.00 | 1592 | -4.8 |
| 50 | Garcia Sanchez, Maria Fernanda | 0 | MEX | F | F | −11B | =?B | −29N | +51B | 1.5 | 8.5 | 8.5 | 1.50 | 857 | 0.0 |
| 51 | FIDE 29638194 | 0 | — | −24B | −54N | +?B | −?N | =?B | −50N | 1.5 | 5.5 | 5.5 | 0.00 | 1363 | 0.0 |
| 52 | FIDE 29685788 | 0 | — | −15B | −?N | −14B | −46N | +?B | −41N | 1.0 | 12.0 | 12.0 | 0.00 | 626 | 0.0 |
| 53 | Jimenez Canul, America Yanine | 1503 | MEX | F | F | −27B | +42B | −13N | −45N | 1.0 | 11.0 | 11.0 | 2.00 | 1605 | +10.8 |
| 54 | FIDE 550013203 | 0 | — | −25B | +51B | −?N | −44N | F | F | 1.0 | 6.5 | 6.5 | 1.50 | 799 | 0.0 |
| 55 | FIDE 550013289 | 0 | — | −?B | F | =39N | −12N | −21B | −?B | 0.5 | 10.0 | 10.0 | 1.25 | 709 | 0.0 |
| 56 | Montejo Pons, Francisco Javier | 0 | MEX | −20B | −34N | F | F | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 660 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Javier Sibaja, GustavoMEX+50.44.5 pts · #4
- 2Lopez Vina, Valeria ValentinaMEX+23.63.5 pts · #17
- 3Olguin Puc, Angel De JesusMEX+21.23.0 pts · #15
Top rating losers
- 1Hernandez Castellanos, Carlos EuclidesMEX-44.43.0 pts · #11
- 2Zuniga Montejo, Angeles GuadalupeMEX-33.24.0 pts · #43
- 3Lopez Hernandez, Eliud DavidMEX-30.43.0 pts · #13
Biggest upsets
- R4+225 Elo gap
- R6+107 Elo gap