Olimpiada Nacional 2025. Sub 12 Varonil. Estandar
31 players participated in this 6-round tournament, held from 11 Jul 2025 to 13 Jul 2025 in PUE, Puebla, Mexico. 2 titled players from 2 federations. Top 10 Elo average was 1832, and top seed was Leo Daniel Olivera Jackson (🇺🇸 USA, 1984).
Fernando Cortes Medina (🇲🇽 MEX, CM, 1968) won with 5.0/6, ahead of Leo Daniel Olivera Jackson (4.5) and Kenneth Damian Alba Ruiz (4.5). Cortes Medina shared the lead from round 4 and broke clear in the final round.
The biggest upset came in round 5: Mateo Cardenas Uribe (1654) beat Brandon Antonio Campos Mendez (1837), a +183-point gap.
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How it unfolded
Top 6 · 6 roundsCM Fernando Cortes Medina led from R6; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R6.
CM Fernando Cortes Medina held the sole lead from R6 through R6 without losing it.
CM Fernando Cortes Medina drew with CM Luis Fernando Agama Hernandez (White).
Leo Daniel Olivera Jackson won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMFernando Cortes Medina | * | ½ | ½ | — |
| 2CMLuis Fernando Agama Hernandez | ½ | * | ½ | ½ |
| 3Leo Daniel Olivera Jackson | ½ | ½ | * | ½ |
| 4Kenneth Damian Alba Ruiz | — | ½ | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cortes Medina, FernandoCM | 1968 | MEX | +28B | +22N | =4B | +7N | =2B | +8N | 5.0 | 19.0 | 20.5 | 16.00 | 2030 | +19.2 |
| 2 | Jackson, Leo Daniel Olivera | 1984 | USA | +15N | +6B | +5N | =3B | =1N | =4B | 4.5 | 23.0 | 26.0 | 19.00 | 1950 | -4.4 |
| 3 | Alba Ruiz, Kenneth Damian | 1834 | MEX | +18B | +8N | +11B | =2N | =4B | =5N | 4.5 | 21.0 | 24.0 | 17.25 | 1905 | +22.8 |
| 4 | Agama Hernandez, Luis FernandoCM | 1802 | MEX | +21N | +10B | =1N | +19B | =3N | =2N | 4.5 | 20.0 | 22.5 | 15.50 | 1974 | +54.0 |
| 5 | Gonzalez Romo, Derek Milan | 1679 | MEX | +31B | +7N | −2B | +22N | +19B | =3B | 4.5 | 17.5 | 17.5 | 10.75 | 1964 | +84.0 |
| 6 | Salazar Ramirez, Mateo Sebastian | 1677 | MEX | +20B | −2N | +17B | =14N | +27N | +10B | 4.5 | 16.5 | 18.0 | 12.00 | 1847 | +33.6 |
| 7 | Campos Gorgonio, Eduardo Arturo | 1806 | MEX | +12N | −5B | +15N | −1B | +17N | +16B | 4.0 | 19.0 | 22.0 | 12.50 | 1825 | +8.0 |
| 8 | Cardenas Uribe, Mateo | 1654 | MEX | +23N | −3B | +30N | +9B | +16N | −1B | 4.0 | 18.0 | 18.5 | 9.00 | 1851 | +40.0 |
| 9 | Macosay Lopez, Julio David | 1762 | MEX | +17B | −11N | +21B | −8N | +22B | =13B | 3.5 | 16.5 | 18.5 | 9.25 | 1719 | -11.2 |
| 10 | Campillo Soto, Emilio | 1596 | MEX | +30B | −4N | =24B | +20N | +14B | −6N | 3.5 | 16.5 | 17.0 | 7.00 | 1393 | -28.8 |
| 11 | Arellano Cuautle, Alberto Valenti | 1637 | MEX | +29N | +9B | −3N | −16B | =15N | +27B | 3.5 | 15.5 | 16.5 | 7.50 | 1734 | +33.2 |
| 12 | Cadena Rojas, Diego Eliseo | 1592 | MEX | −7B | =20N | −18B | +29B | +24N | +19N | 3.5 | 14.0 | 15.0 | 6.75 | 1701 | +31.6 |
| 13 | Saenz Cabrera, Yaen | 1869 | MEX | −14B | −19N | +26B | +31N | +21B | =9N | 3.5 | 13.5 | 13.5 | 6.25 | 1688 | -26.8 |
| 14 | Jalomo Toribio, Jose Luis | 0 | MEX | +13N | =25B | =16N | =6B | −10N | =15B | 3.0 | 17.5 | 19.5 | 9.75 | 1720 | 0.0 |
| 15 | Martinez Nestor, Ian Marco | 1624 | MEX | −2B | +26N | −7B | +24N | =11B | =14N | 3.0 | 17.0 | 19.0 | 7.25 | 1650 | +0.4 |
| 16 | Campos Mendez, Brandon Antonio | 1837 | MEX | +26B | =27N | =14B | +11N | −8B | −7N | 3.0 | 16.5 | 18.0 | 7.75 | 1558 | -57.2 |
| 17 | Galaviz Medina, Cronos | 1548 | MEX | −9N | +29B | −6N | +30B | −7B | +23N | 3.0 | 15.0 | 15.5 | 3.50 | 1497 | -11.2 |
| 18 | Vera Morales, Matheus | 1560 | MEX | −3N | =23B | +12N | −27B | =20N | +25B | 3.0 | 14.5 | 16.0 | 7.75 | 1510 | -9.6 |
| 19 | Sevilla Ramirez, Brandon Samuel | 1753 | MEX | =25N | +13B | +27B | −4N | −5N | −12B | 2.5 | 18.0 | 19.5 | 6.00 | 1604 | -36.0 |
| 20 | Salazar Reyes, Jose Guillermo | 0 | MEX | −6N | =12B | +23N | −10B | =18B | =21N | 2.5 | 17.0 | 19.0 | 6.50 | 1445 | 0.0 |
| 21 | Davis Villarreal, Miguel | 1566 | MEX | −4B | +31N | −9N | +25B | −13N | =20B | 2.5 | 16.0 | 16.0 | 3.25 | 1011 | -23.2 |
| 22 | Soto Resendiz, Miguel Angel | 1706 | MEX | +24N | −1B | +25N | −5B | −9N | −26B | 2.0 | 17.0 | 19.0 | 4.00 | 1530 | -38.0 |
| 23 | Burgos Santiago, Maximiliano Rafa | 0 | MEX | −8B | =18N | −20B | =28N | +30N | −17B | 2.0 | 14.0 | 14.5 | 2.75 | 1393 | 0.0 |
| 24 | Ortiz Padilla, Santiago | 1524 | MEX | −22B | +28N | =10N | −15B | −12B | =30N | 2.0 | 13.5 | 14.0 | 3.50 | 1470 | -14.4 |
| 25 | Cabrera Estrada, Angel Alexis | 0 | MEX | =19B | =14N | −22B | −21N | +31B | −18N | 2.0 | 13.0 | 13.0 | 2.75 | 1321 | 0.0 |
| 26 | Alejos Aradillas, Mikhail | 0 | MEX | −16N | −15B | −13N | F | +29B | +22N | 2.0 | 12.5 | 12.5 | 3.00 | 1639 | 0.0 |
| 27 | Garcia Solis, Miguel Angel | 1488 | MEX | F | =16B | −19N | +18N | −6B | −11N | 1.5 | 16.5 | 16.5 | 4.50 | 1540 | +9.2 |
| 28 | Vasquez Hernandez, Juan Carlos | 1584 | MEX | −1N | −24B | −29N | =23B | F | +31N | 1.5 | 10.0 | 10.0 | 1.00 | 869 | -50.4 |
| 29 | Montoya Medina, Santiago | 1515 | MEX | −11B | −17N | +28B | −12N | −26N | F | 1.0 | 13.5 | 13.5 | 1.50 | 1394 | -24.8 |
| 30 | Patraca Hernandez, Efrain | 0 | MEX | −10N | F | −8B | −17N | −23B | =24B | 0.5 | 14.5 | 14.5 | 1.00 | 1258 | 0.0 |
| 31 | Carrasco Zanini Perles Blanco, Diego | 0 | MEX | −5N | −21B | F | −13B | −25N | −28B | 0.0 | 14.0 | 14.0 | 0.00 | 863 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Gonzalez Romo, Derek MilanMEX+84.04.5 pts · #8
- 2Agama Hernandez, Luis FernandoCMMEX+54.04.5 pts · #2
- 3Cardenas Uribe, MateoMEX+40.04.0 pts · #13
- 1Campos Mendez, Brandon AntonioMEX-57.23.0 pts · #19
- 2Vasquez Hernandez, Juan CarlosMEX-50.41.5 pts · #30
- 3Soto Resendiz, Miguel AngelMEX-38.02.0 pts · #22
- R5+183 Elo gap
- R6+161 Elo gap
- R2+127 Elo gap