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
Federations · 2 represented
🇲🇽Mexico×36
🇺🇸United States of America×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight 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
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Leo Daniel Olivera Jackson | * | 0 | — | — |
| 2Sebastian Uriel Tapia Tapia | 1 | * | ½ | — |
| 3Inti Dario Flores Ojeda | — | ½ | * | — |
| 4Alexander Rafael Barberena Gallardo | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Tapia Tapia, Sebastian Uriel | 1803 | MEX | +29B | +26N | −9B | +13N | +14B | +2B | =3N | 5.5 | 27.0 | 29.5 | 22.25 | 1889 | +32.0 |
| 2 | Jackson, Leo Daniel Olivera | 1909 | USA | +17B | =11N | +31B | +21N | +10B | −1N | +5N | 5.5 | 27.0 | 29.0 | 21.25 | 1829 | -15.8 |
| 3 | Flores Ojeda, Inti Dario | 1894 | MEX | +19N | −5B | +35N | +26B | +9B | +6N | =1B | 5.5 | 27.0 | 29.0 | 21.25 | 1826 | -12.8 |
| 4 | Barberena Gallardo, Alexander Rafael | 1694 | MEX | +39B | =31N | −21B | +24N | +23B | +11N | +10N | 5.5 | 21.5 | 22.5 | 18.00 | 1761 | +19.2 |
| 5 | Gil Pulido, Julio Cesar | 1560 | MEX | +40B | +3N | +14B | =9N | =6B | +16N | −2B | 5.0 | 28.5 | 29.5 | 19.25 | 1846 | +85.6 |
| 6 | De Alba Boudreau, Pablo Elliott | 1782 | MEX | +35N | +23B | =10N | +11B | =5N | −3B | +15N | 5.0 | 27.0 | 29.0 | 18.75 | 1712 | -15.6 |
| 7 | Padilla Climaco, Isaac Emiliano | 1627 | MEX | +27B | =21N | +24B | −10N | =12B | +17N | +14B | 5.0 | 24.0 | 27.0 | 18.50 | 1707 | +25.6 |
| 8 | Calzada Martinez, Ian Axel | 1670 | MEX | +42B | −9N | −17B | +27N | +32B | +26N | +16B | 5.0 | 20.5 | 21.5 | 13.00 | 1588 | -20.4 |
| 9 | Romo Gonzalez, Agustin Emilio | 1569 | MEX | +28N | +8B | +1N | =5B | −3N | −10B | +22N | 4.5 | 29.0 | 32.0 | 19.50 | 1707 | +33.6 |
| 10 | Garduno Colin, Leonardo | 1610 | MEX | +43B | +32N | =6B | +7B | −2N | +9N | −4B | 4.5 | 27.5 | 27.5 | 14.00 | 1722 | +37.2 |
| 11 | Rivera Herrera, Jesus Abdiel | 1597 | MEX | +36B | =2B | +15N | −6N | +21B | −4B | +33N | 4.5 | 25.5 | 27.5 | 14.25 | 1705 | +26.4 |
| 12 | Olivo Diaz, Marco Cristofer | 1690 | MEX | −15N | +18B | +19N | =23B | =7N | =22B | +25N | 4.5 | 24.0 | 27.5 | 17.50 | 1672 | -2.4 |
| 13 | Escobar Badillo, Santiago | 1529 | MEX | =18N | =22B | +37N | −1B | +34N | +33B | =19N | 4.5 | 21.0 | 22.5 | 11.25 | 1629 | +14.8 |
| 14 | Campos Frausto, Angel Sebastian | 1645 | MEX | +25N | +16B | −5N | +15B | −1N | +18B | −7N | 4.0 | 27.5 | 31.0 | 15.50 | 1436 | -44.0 |
| 15 | Cortes Sanchez, Ricardo Antonio | 0 | MEX | +12B | +33N | −11B | −14N | +20B | +23N | −6B | 4.0 | 25.5 | 27.5 | 14.00 | 1657 | 0.0 |
| 16 | Ramirez Morales, Emiliano | 1529 | MEX | +37B | −14N | +39B | +20N | +17B | −5B | −8N | 4.0 | 23.5 | 24.5 | 10.50 | 1518 | -3.2 |
| 17 | Montoya Perez, Daniyyel | 1477 | MEX | −2N | +43B | +8N | +33B | −16N | −7B | +34B | 4.0 | 23.5 | 23.5 | 9.00 | 1590 | +24.8 |
| 18 | Ventura Paredes, Axel Gabriel | 0 | MEX | =13B | −12N | +29B | =31N | +24B | −14N | +26B | 4.0 | 22.0 | 24.0 | 12.25 | 1600 | 0.0 |
| 19 | Aburto Aguilar, Luis Gael | 1475 | MEX | −3B | +36N | −12B | =38N | +37B | +30N | =13B | 4.0 | 20.5 | 22.0 | 9.00 | 1424 | -9.6 |
| 20 | Ruiz Arredondo, Rafael | 1600 | MEX | −34N | +27B | +22N | −16B | −15N | +41B | +32N | 4.0 | 18.5 | 19.5 | 9.50 | 1470 | -13.6 |
| 21 | Anaya Cruz, Agustin | 1531 | MEX | +41N | =7B | +4N | −2B | −11N | −25B | +27B | 3.5 | 27.0 | 28.0 | 12.00 | 1619 | +14.0 |
| 22 | Sandoval Morales, Cedric Joshua | 0 | MEX | =24B | =13N | −20B | +29N | +31B | =12N | −9B | 3.5 | 23.5 | 25.5 | 10.75 | 1570 | 0.0 |
| 23 | Sanchez Hernandez, Diego | 1540 | MEX | +38B | −6N | +32B | =12N | −4N | −15B | +30B | 3.5 | 23.5 | 25.0 | 8.25 | 1557 | +1.6 |
| 24 | Urbina Ballina, Christopher | 1541 | MEX | =22N | +34B | −7N | −4B | −18N | +38B | +29N | 3.5 | 22.5 | 24.0 | 7.75 | 1473 | -10.8 |
| 25 | Daza Martinez, Samuel | 0 | MEX | −14B | +38N | −33B | =37N | +39B | +21N | −12B | 3.5 | 17.0 | 18.0 | 6.75 | 1425 | 0.0 |
| 26 | Lopez Olascoaga, Diego | 1591 | MEX | +30N | −1B | +34N | −3N | +28B | −8B | −18N | 3.0 | 25.5 | 27.5 | 7.50 | 989 | -30.4 |
| 27 | Delgado Valdivia, Luis Angel | 0 | MEX | −7N | −20N | +40B | −8B | +42N | +31B | −21N | 3.0 | 20.5 | 21.5 | 4.00 | 1363 | 0.0 |
| 28 | FIDE 29697581 | 0 | — | −9B | −39N | +36B | +42N | −26N | −32B | +41N | 3.0 | 13.5 | 14.5 | 4.00 | 724 | 0.0 |
| 29 | Sanchez Gomez, Santiago | 1474 | MEX | −1N | =30B | −18N | −22B | +40N | +37B | −24B | 2.5 | 20.5 | 21.5 | 3.75 | 872 | -21.6 |
| 30 | Malvaez Rodriguez, Luis Angel | 0 | MEX | −26B | =29N | +42B | −32N | +38B | −19B | −23N | 2.5 | 16.5 | 17.5 | 3.75 | 1132 | 0.0 |
| 31 | Hernandez Morales, Carlos | 1590 | MEX | F | =4B | −2N | =18B | −22N | −27N | +36B | 2.0 | 23.5 | 23.5 | 6.75 | 1608 | +0.4 |
| 32 | Maldonado Ayala, Mikel | 1412 | MEX | F | −10B | −23N | +30B | −8N | +28N | −20B | 2.0 | 22.5 | 22.5 | 5.50 | 804 | -40.8 |
| 33 | Bautista Pacheco, Mateo | 1609 | MEX | F | −15B | +25N | −17N | +35B | −13N | −11B | 2.0 | 22.5 | 22.5 | 5.50 | 734 | -72.4 |
| 34 | Garcia Manzano, Gonzalo | 0 | MEX | +20B | −24N | −26B | +39N | −13B | F | −17N | 2.0 | 21.0 | 22.0 | 5.00 | 1308 | 0.0 |
| 35 | Barcenas Becerra, Christopher Mi | 0 | MEX | −6B | +40N | −3B | +41N | −33N | F | F | 2.0 | 16.5 | 16.5 | 2.00 | 962 | 0.0 |
| 36 | Hernandez Resendiz, Jaime | 0 | MEX | −11N | −19B | −28N | +40B | −41B | +39N | −31N | 2.0 | 15.5 | 16.5 | 2.00 | 754 | 0.0 |
| 37 | FIDE 550021117 | 0 | — | −16N | F | −13B | =25B | −19N | −29N | +40B | 1.5 | 19.5 | 19.5 | 2.75 | 701 | 0.0 |
| 38 | FIDE 550021109 | 0 | — | −23N | −25B | F | =19B | −30N | −24N | +39B | 1.5 | 18.0 | 18.0 | 3.00 | 1246 | 0.0 |
| 39 | Castro Rivera, Luis Fernando | 0 | MEX | −4N | +28B | −16N | −34B | −25N | −36B | −38N | 1.0 | 20.0 | 21.5 | 3.00 | 811 | 0.0 |
| 40 | FIDE 550021095 | 0 | — | −5N | −35B | −27N | −36N | −29B | +42B | −37N | 1.0 | 16.0 | 17.0 | 1.00 | 717 | 0.0 |
| 41 | FIDE 29646987 | 0 | — | −21B | −42N | F | −35B | +36N | −20N | −28B | 1.0 | 15.5 | 15.5 | 2.00 | 765 | 0.0 |
| 42 | Cruz Morales, Yerard | 0 | MEX | −8N | +41B | −30N | −28B | −27B | −40N | F | 1.0 | 15.5 | 15.5 | 1.00 | 870 | 0.0 |
| 43 | FIDE 550021079 | 0 | — | −10N | −17N | F | F | F | F | F | 0.0 | 10.0 | 10.0 | 0.00 | 743 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Gil Pulido, Julio CesarMEX+85.65.0 pts · #8
- 2Garduno Colin, LeonardoMEX+37.24.5 pts · #9
- 3Romo Gonzalez, Agustin EmilioMEX+33.64.5 pts · #14
Top rating losers
- 1Bautista Pacheco, MateoMEX-72.42.0 pts · #43
- 2Campos Frausto, Angel SebastianMEX-44.04.0 pts · #23
- 3Maldonado Ayala, MikelMEX-40.82.0 pts · #36
Biggest upsets
- R2+334 Elo gap
- R3+234 Elo gap
- R3+193 Elo gap