CChessStats

Olimpiada Nacional 2025. Sub 12 Varonil. Estandar

Open SwissStandard

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.

Location
🇲🇽PUE, Puebla, Mexico
Dates
11 Jul 2025 → 13 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
Avg top 10
1,832
Participants
31
Titled players · 2
CM×2
Federations · 2 represented
🇲🇽Mexico×30
🇺🇸United States of America×1
Top 3

How it unfolded

Top 6 · 6 rounds

CM 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.

Co-leaders
14
6
2
4
6
1
1.534.56R1R2R3R4R5R6
R6–R6 · LEAD HELD

CM Fernando Cortes Medina held the sole lead from R6 through R6 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

CM Fernando Cortes Medina drew with CM Luis Fernando Agama Hernandez (White).

R1–R3 · WIN STREAK

Leo Daniel Olivera Jackson won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Cortes Medina, FernandoCM1968MEX+28B+22N=4B+7N=2B+8N5.019.020.516.002030+19.2
2Jackson, Leo Daniel Olivera1984USA+15N+6B+5N=3B=1N=4B4.523.026.019.001950-4.4
3Alba Ruiz, Kenneth Damian1834MEX+18B+8N+11B=2N=4B=5N4.521.024.017.251905+22.8
4Agama Hernandez, Luis FernandoCM1802MEX+21N+10B=1N+19B=3N=2N4.520.022.515.501974+54.0
5Gonzalez Romo, Derek Milan1679MEX+31B+7N2B+22N+19B=3B4.517.517.510.751964+84.0
6Salazar Ramirez, Mateo Sebastian1677MEX+20B2N+17B=14N+27N+10B4.516.518.012.001847+33.6
7Campos Gorgonio, Eduardo Arturo1806MEX+12N5B+15N1B+17N+16B4.019.022.012.501825+8.0
8Cardenas Uribe, Mateo1654MEX+23N3B+30N+9B+16N1B4.018.018.59.001851+40.0
9Macosay Lopez, Julio David1762MEX+17B11N+21B8N+22B=13B3.516.518.59.251719-11.2
10Campillo Soto, Emilio1596MEX+30B4N=24B+20N+14B6N3.516.517.07.001393-28.8
11Arellano Cuautle, Alberto Valenti1637MEX+29N+9B3N16B=15N+27B3.515.516.57.501734+33.2
12Cadena Rojas, Diego Eliseo1592MEX7B=20N18B+29B+24N+19N3.514.015.06.751701+31.6
13Saenz Cabrera, Yaen1869MEX14B19N+26B+31N+21B=9N3.513.513.56.251688-26.8
14Jalomo Toribio, Jose Luis0MEX+13N=25B=16N=6B10N=15B3.017.519.59.7517200.0
15Martinez Nestor, Ian Marco1624MEX2B+26N7B+24N=11B=14N3.017.019.07.251650+0.4
16Campos Mendez, Brandon Antonio1837MEX+26B=27N=14B+11N8B7N3.016.518.07.751558-57.2
17Galaviz Medina, Cronos1548MEX9N+29B6N+30B7B+23N3.015.015.53.501497-11.2
18Vera Morales, Matheus1560MEX3N=23B+12N27B=20N+25B3.014.516.07.751510-9.6
19Sevilla Ramirez, Brandon Samuel1753MEX=25N+13B+27B4N5N12B2.518.019.56.001604-36.0
20Salazar Reyes, Jose Guillermo0MEX6N=12B+23N10B=18B=21N2.517.019.06.5014450.0
21Davis Villarreal, Miguel1566MEX4B+31N9N+25B13N=20B2.516.016.03.251011-23.2
22Soto Resendiz, Miguel Angel1706MEX+24N1B+25N5B9N26B2.017.019.04.001530-38.0
23Burgos Santiago, Maximiliano Rafa0MEX8B=18N20B=28N+30N17B2.014.014.52.7513930.0
24Ortiz Padilla, Santiago1524MEX22B+28N=10N15B12B=30N2.013.514.03.501470-14.4
25Cabrera Estrada, Angel Alexis0MEX=19B=14N22B21N+31B18N2.013.013.02.7513210.0
26Alejos Aradillas, Mikhail0MEX16N15B13NF+29B+22N2.012.512.53.0016390.0
27Garcia Solis, Miguel Angel1488MEXF=16B19N+18N6B11N1.516.516.54.501540+9.2
28Vasquez Hernandez, Juan Carlos1584MEX1N24B29N=23BF+31N1.510.010.01.00869-50.4
29Montoya Medina, Santiago1515MEX11B17N+28B12N26NF1.013.513.51.501394-24.8
30Patraca Hernandez, Efrain0MEX10NF8B17N23B=24B0.514.514.51.0012580.0
31Carrasco Zanini Perles Blanco, Diego0MEX5N21BF13B25N28B0.014.014.00.008630.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers