Sebastian Masis Chaves
CRC · FIDE ID 6559115 · 5 tournament games since 2026
Standard
–
Unrated
Rapid
1593
#249 in CRC (active)
Blitz
1696
#204 in CRC (active)
Score
40%
1 W · 2 D · 2 L
Opp. avg
1670
Last 5 games
Last game
2026-01-22
JDN Costa Rica 2026 Clásico | U16AbsEquip
Prep summary
Not enough games yet for a summary.
Based on 5 over-the-board games. 2 with White (50%), 3 with Black (33%).
Openings as White
First move
| 1.e4 | 2 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Scotch Game: Schmidt Variation | 1 | 50% |
| Sicilian Defense: O'Kelly Variation, Normal System | 1 | 50% |
Openings as Black
Against 1.e4 (1 game)
| 1...c5 Sicilian Defense | 1 | 100% |
Against 1.d4 (1 game)
| 1...e6 Horwitz Defense | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Four Knights Game: Gunsberg Variation | 1 | 0% |
| Sicilian Defense: Accelerated Dragon | 1 | 100% |
| Horwitz Defense | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-01-22 | Emilio Hidalgo Mendez (1589) JDN Costa Rica 2026 Clásico | U16AbsEquip | L |
| 2026-01-21 | Matias Cerdas Amador (1652) JDN Costa Rica 2026 Clásico | U16AbsEquip | ½ |
| 2026-01-20 | Mario Alejandro Montenegro Rojas (1501) JDN Costa Rica 2026 Blitz | U16AbsEquip | W |
| 2026-01-20 | Daniel Ramos Rodriguez (1936) JDN Costa Rica 2026 Blitz | U16AbsEquip | ½ |
| 2026-01-08 | Jose Pablo Salas Rojas JDN Costa Rica 2026 Rapido | U16AbsEquip | 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.