Juegos Deportivos Infantiles, Juveniles y Paralimpicos de Ajedrez de la Ciudad de Mexico 2025-2026. 13-16 Varonil. Final
6 players participated in this 5-round tournament, held from 06 Feb 2026 to 08 Feb 2026 in CDM, Ciudad de Mexico, Mexico. 2 federations represented. Top 10 Elo average was 1790, and top seed was Leo Daniel Olivera Jackson (🇺🇸 USA, 1925).
Sebastian Uriel Tapia Tapia (🇲🇽 MEX, 1803) won with 5.0/5, ahead of Alexander Rafael Barberena Gallardo (3.0) and Pablo Elliott De Alba Boudreau (2.5). Tapia Tapia won solo starting round 2.
The biggest upset came in round 2: Julio Cesar Gil Pulido (1560) beat Leo Daniel Olivera Jackson (1925), a +365-point gap.
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How it unfolded
Top 6 · 5 roundsSebastian Uriel Tapia Tapia led from R2 onwards, the title was decided early.
Sebastian Uriel Tapia Tapia never relinquished the lead after R2; final gap +2.0 over the runner-up.
Sebastian Uriel Tapia Tapia opens a +2.0-point gap over the chasing pack (closest: Alexander Rafael Barberena Gallardo); the title is out of reach before R5.
Sebastian Uriel Tapia Tapia beat Alexander Rafael Barberena Gallardo (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇲🇽Tapia Tapia, Sebastian Uriel | 1803 | * | 1 | 1 | 1 | 1 | 1 | 5.0 | 10.00 | 10.0 | +97.2 | 2587 |
| 2 | 🇲🇽Barberena Gallardo, Alexander Rafael | 1694 | 0 | * | 0 | 1 | 1 | 1 | 3.0 | 4.50 | 12.0 | +49.6 | 1880 |
| 3 | 🇲🇽De Alba Boudreau, Pablo Elliott | 1861 | 0 | 1 | * | 0 | ½ | 1 | 2.5 | 4.75 | 12.5 | -20.4 | 1775 |
| 4 | 🇺🇸Jackson, Leo Daniel Olivera | 1925 | 0 | 0 | 1 | * | 1 | 0 | 2.0 | 4.00 | 13.0 | -53.6 | 1690 |
| 5 | 🇲🇽Flores Ojeda, Inti Dario | 1894 | 0 | 0 | ½ | 0 | * | 1 | 1.5 | 2.25 | 13.5 | -71.2 | 1619 |
| 6 | 🇲🇽Gil Pulido, Julio Cesar | 1560 | 0 | 0 | 0 | 1 | 0 | * | 1.0 | 2.00 | 14.0 | +4.4 | 1595 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Tapia Tapia, Sebastian UrielMEX+97.25.0 pts · #1
- 2Barberena Gallardo, Alexander RafaelMEX+49.63.0 pts · #2
- 3Gil Pulido, Julio CesarMEX+4.41.0 pts · #6
- 1Flores Ojeda, Inti DarioMEX-71.21.5 pts · #5
- 2Jackson, Leo Daniel OliveraUSA-53.62.0 pts · #4
- 3De Alba Boudreau, Pablo ElliottMEX-20.42.5 pts · #3
- R2+365 Elo gap
- R1+231 Elo gap
- R4+200 Elo gap