Diego Sebastian Pacheco Sierra
MEX · FIDE ID 29688540 · 53 tournament games since 2024
Standard
2030
#140 in MEX (active)
Rapid
2007
#129 in MEX (active)
Blitz
1899
#370 in MEX (active)
Score
50%
23 W · 7 D · 23 L
Opp. avg
2025
Last 50 games
Last game
2026-06-10
XIX American Continental Chess Championship 2026 | Standard
Prep summary
- As White: 1.e4 in 36% of games (scores 50%), otherwise 1.Nf3 (36%).
- Against 1.e4: 1...e5 in 11 of 14 games (King's Pawn Game), scoring 50%.
- Against 1.d4: 1...d5 in 9 of 12 games (Queen's Pawn Game), scoring 50%.
- By opponent strength: 33% against higher-rated players, 70% against lower-rated.
Based on 53 over-the-board games (7 rapid · 6 blitz · 6 classical). 25 with White (48%), 28 with Black (52%).
Openings as White
First move
| 1.e4 | 9 | 50% |
| 1.Nf3 | 9 | 50% |
| 1.d4 | 7 | 43% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Pawn Game: London System | 2 | 0% |
| Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 1 | 100% |
| Nimzo-Indian Defense: Normal Variation, Ragozin Variation | 1 | 100% |
| English Opening: Symmetrical Variation | 1 | 0% |
| Indian Defense: Budapest Gambit Accepted, Main Line, Adler Variation | 1 | 0% |
Openings as Black
Against 1.e4 (14 games)
| 1...e5 King's Pawn Game | 11 | 50% |
| 1...d6 Pirc Defense | 2 | 0% |
| 1...c5 Sicilian Defense | 1 | 100% |
Against 1.d4 (12 games)
| 1...d5 Queen's Pawn Game | 9 | 50% |
| 1...Nf6 Indian Defense | 3 | 83% |
Most played
| Opening | Games | Score |
|---|---|---|
| Ruy Lopez: Berlin Defense, Anti-Berlin Variation | 4 | 50% |
| Zukertort Opening: Reversed Grünfeld | 2 | 25% |
| Queen's Pawn Game: Colle System, Anti-Colle | 2 | 0% |
| Queen's Pawn Game: Symmetrical Variation | 1 | 100% |
| Pirc Defense | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-06-10 | Bryan Leon Infante (2162) XIX American Continental Chess Championship 2026 | Standard | W |
| 2026-06-09 | Andrey Gonzalez Zharikov (2212) XIX American Continental Chess Championship 2026 | Standard | W |
| 2026-06-08 | Valentina Argote Heredia (2167) XIX American Continental Chess Championship 2026 | Standard | L |
| 2026-06-08 | Joel Isaac Valadez Sepulveda (1894) XIX American Continental Chess Championship 2026 | Blitz | W |
| 2026-06-08 | Jorge Hector Vazquez Pineda (1843) XIX American Continental Chess Championship 2026 | Blitz | ½ |
| 2026-06-08 | Gabriel Ordonez Gonzalez (2060) XIX American Continental Chess Championship 2026 | Blitz | L |
| 2026-06-08 | Ian Marco Martinez Nestor (1685) XIX American Continental Chess Championship 2026 | Blitz | W |
| 2026-06-08 | Levi Kalani Alexander Fogo Esquivel (2139) XIX American Continental Chess Championship 2026 | Blitz | L |
| 2026-06-08 | Daniel Sosa Guzman XIX American Continental Chess Championship 2026 | Blitz | W |
| 2026-06-08 | Ernesto Mendoza Osorio (1837) XIX American Continental Chess Championship 2026 | Blitz | W |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.