Sebastian Rodriguez Membreno
CRC · FIDE ID 6523803 · 16 tournament games since 2024
Standard
1584
#290 in CRC (active)
Rapid
1498
#429 in CRC (active)
Blitz
1565
#423 in CRC (active)
Score
34%
5 W · 1 D · 10 L
Opp. avg
1607
Last 16 games
Last game
2026-01-23
JDN Costa Rica 2026 Clásico | U16AbsEquip
Prep summary
- As White: 1.d4 in 91% of games (scores 35%).
- By opponent strength: 0% against higher-rated players, 60% against lower-rated.
Based on 16 over-the-board games (4 classical). 11 with White (32%), 5 with Black (40%).
Openings as White
First move
| 1.d4 | 10 | 35% |
| 1.e4 | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Pawn Game: Colle System, Traditional Colle | 2 | 25% |
| Queen's Pawn Game | 2 | 100% |
| Indian Defense | 2 | 0% |
| Caro-Kann Defense | 1 | 0% |
| Queen's Pawn Game: Colle System | 1 | 0% |
Openings as Black
Against 1.e4 (2 games)
| 1...c5 Sicilian Defense | 2 | 100% |
Against 1.d4 (2 games)
| 1...f5 Dutch Defense | 2 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Anderssen's Opening | 1 | 0% |
| Dutch Defense: Blackmar's Second Gambit | 1 | 0% |
| Dutch Defense | 1 | 0% |
| Sicilian Defense: Closed | 1 | 100% |
| Sicilian Defense: Modern Variations | 1 | 100% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-01-23 | Julian Jose Ramirez Aguilar (1965) JDN Costa Rica 2026 Clásico | U16AbsEquip | L |
| 2026-01-21 | Axel Gabriel Fuentes Otarola (1722) JDN Costa Rica 2026 Clásico | U16AbsEquip | L |
| 2026-01-20 | Emilio Hidalgo Mendez (1483) JDN Costa Rica 2026 Blitz | U16AbsEquip | W |
| 2026-01-19 | Felipe Herrera Fernandez (1551) JDN Costa Rica 2026 Rapido | U16AbsEquip | L |
| 2026-01-19 | Aaron Mathias Duran Araya (1587) JDN Costa Rica 2026 Rapido | U16AbsEquip | ½ |
| 2026-01-19 | Julian Jose Ramirez Aguilar (1778) JDN Costa Rica 2026 Rapido | U16AbsEquip | L |
| 2025-12-30 | Marcelo Loria Schnitzler XLVI Metropolitano Torneo Internacional|Metropolitano U14 · classical | W |
| 2025-12-29 | Bryan Alberto Alvarado Machado (1740) XLVI Metropolitano Torneo Internacional|Metropolitano U14 · classical | L |
| 2025-12-28 | Rodrigo Alberto Woods Diaz XLVI Metropolitano Torneo Internacional|Metropolitano U14 · classical | L |
| 2025-12-28 | Ana Maria Corrales Corrales (1611) XLVI Metropolitano Torneo Internacional|Metropolitano U14 · classical | L |
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.