CChessStats

Juegos Deportivos Infantiles, Juveniles y Paralimpicos de Ajedrez de la Ciudad de Mexico 2025-2026. 13-16 Varonil

Open SwissStandard

43 players participated in this 7-round tournament, held from 31 Jan 2026 to 02 Feb 2026 in CDM, Ciudad de Mexico, Mexico. 2 federations represented. Top 10 Elo average was 1732, and top seed was Leo Daniel Olivera Jackson (🇺🇸 USA, 1909).

Sebastian Uriel Tapia Tapia (🇲🇽 MEX, 1803) won with 5.5/7, ahead of Leo Daniel Olivera Jackson (5.5) and Inti Dario Flores Ojeda (5.5). Tapia Tapia shared the lead from round 6, winning on tie-break.

The biggest upset came in round 2: Julio Cesar Gil Pulido (1560) beat Inti Dario Flores Ojeda (1894), a +334-point gap.

Location
🇲🇽CDM, Ciudad de Mexico, Mexico
Dates
31 Jan 2026 → 02 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
Avg top 10
1,732
Participants
43
Federations · 2 represented
🇲🇽Mexico×36
🇺🇸United States of America×1
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R5; 4 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 5 co-leaders at R4 to 4 at the finish.

Co-leaders
18
7
2
5
1
3
4
23.55.57R1R2R3R4R5R6R7
R5–R7 · LEAD HELD

Leo Daniel Olivera Jackson held the sole lead from R5 through R7 without losing it.

R7 · TIEBREAK CLUSTER

4 players finish on 5.5/7. Tapia Tapia takes the title on Buchholz Cut1 (27.0).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Leo Daniel Olivera Jackson lost to Sebastian Uriel Tapia Tapia (Black).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Tapia Tapia, Sebastian Uriel1803MEX+29B+26N9B+13N+14B+2B=3N5.527.029.522.251889+32.0
2Jackson, Leo Daniel Olivera1909USA+17B=11N+31B+21N+10B1N+5N5.527.029.021.251829-15.8
3Flores Ojeda, Inti Dario1894MEX+19N5B+35N+26B+9B+6N=1B5.527.029.021.251826-12.8
4Barberena Gallardo, Alexander Rafael1694MEX+39B=31N21B+24N+23B+11N+10N5.521.522.518.001761+19.2
5Gil Pulido, Julio Cesar1560MEX+40B+3N+14B=9N=6B+16N2B5.028.529.519.251846+85.6
6De Alba Boudreau, Pablo Elliott1782MEX+35N+23B=10N+11B=5N3B+15N5.027.029.018.751712-15.6
7Padilla Climaco, Isaac Emiliano1627MEX+27B=21N+24B10N=12B+17N+14B5.024.027.018.501707+25.6
8Calzada Martinez, Ian Axel1670MEX+42B9N17B+27N+32B+26N+16B5.020.521.513.001588-20.4
9Romo Gonzalez, Agustin Emilio1569MEX+28N+8B+1N=5B3N10B+22N4.529.032.019.501707+33.6
10Garduno Colin, Leonardo1610MEX+43B+32N=6B+7B2N+9N4B4.527.527.514.001722+37.2
11Rivera Herrera, Jesus Abdiel1597MEX+36B=2B+15N6N+21B4B+33N4.525.527.514.251705+26.4
12Olivo Diaz, Marco Cristofer1690MEX15N+18B+19N=23B=7N=22B+25N4.524.027.517.501672-2.4
13Escobar Badillo, Santiago1529MEX=18N=22B+37N1B+34N+33B=19N4.521.022.511.251629+14.8
14Campos Frausto, Angel Sebastian1645MEX+25N+16B5N+15B1N+18B7N4.027.531.015.501436-44.0
15Cortes Sanchez, Ricardo Antonio0MEX+12B+33N11B14N+20B+23N6B4.025.527.514.0016570.0
16Ramirez Morales, Emiliano1529MEX+37B14N+39B+20N+17B5B8N4.023.524.510.501518-3.2
17Montoya Perez, Daniyyel1477MEX2N+43B+8N+33B16N7B+34B4.023.523.59.001590+24.8
18Ventura Paredes, Axel Gabriel0MEX=13B12N+29B=31N+24B14N+26B4.022.024.012.2516000.0
19Aburto Aguilar, Luis Gael1475MEX3B+36N12B=38N+37B+30N=13B4.020.522.09.001424-9.6
20Ruiz Arredondo, Rafael1600MEX34N+27B+22N16B15N+41B+32N4.018.519.59.501470-13.6
21Anaya Cruz, Agustin1531MEX+41N=7B+4N2B11N25B+27B3.527.028.012.001619+14.0
22Sandoval Morales, Cedric Joshua0MEX=24B=13N20B+29N+31B=12N9B3.523.525.510.7515700.0
23Sanchez Hernandez, Diego1540MEX+38B6N+32B=12N4N15B+30B3.523.525.08.251557+1.6
24Urbina Ballina, Christopher1541MEX=22N+34B7N4B18N+38B+29N3.522.524.07.751473-10.8
25Daza Martinez, Samuel0MEX14B+38N33B=37N+39B+21N12B3.517.018.06.7514250.0
26Lopez Olascoaga, Diego1591MEX+30N1B+34N3N+28B8B18N3.025.527.57.50989-30.4
27Delgado Valdivia, Luis Angel0MEX7N20N+40B8B+42N+31B21N3.020.521.54.0013630.0
28FIDE 2969758109B39N+36B+42N26N32B+41N3.013.514.54.007240.0
29Sanchez Gomez, Santiago1474MEX1N=30B18N22B+40N+37B24B2.520.521.53.75872-21.6
30Malvaez Rodriguez, Luis Angel0MEX26B=29N+42B32N+38B19B23N2.516.517.53.7511320.0
31Hernandez Morales, Carlos1590MEXF=4B2N=18B22N27N+36B2.023.523.56.751608+0.4
32Maldonado Ayala, Mikel1412MEXF10B23N+30B8N+28N20B2.022.522.55.50804-40.8
33Bautista Pacheco, Mateo1609MEXF15B+25N17N+35B13N11B2.022.522.55.50734-72.4
34Garcia Manzano, Gonzalo0MEX+20B24N26B+39N13BF17N2.021.022.05.0013080.0
35Barcenas Becerra, Christopher Mi0MEX6B+40N3B+41N33NFF2.016.516.52.009620.0
36Hernandez Resendiz, Jaime0MEX11N19B28N+40B41B+39N31N2.015.516.52.007540.0
37FIDE 550021117016NF13B=25B19N29N+40B1.519.519.52.757010.0
38FIDE 550021109023N25BF=19B30N24N+39B1.518.018.03.0012460.0
39Castro Rivera, Luis Fernando0MEX4N+28B16N34B25N36B38N1.020.021.53.008110.0
40FIDE 55002109505N35B27N36N29B+42B37N1.016.017.01.007170.0
41FIDE 29646987021B42NF35B+36N20N28B1.015.515.52.007650.0
42Cruz Morales, Yerard0MEX8N+41B30N28B27B40NF1.015.515.51.008700.0
43FIDE 550021079010N17NFFFFF0.010.010.00.007430.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers