Juan Sebastiaan Vergara Rivera
ARU · FIDE ID 15901866 · 46 tournament games since 2025
Standard
1666
#23 in ARU (active)
Rapid
1692
#8 in ARU (active)
Blitz
1692
#11 in ARU (active)
Score
41%
15 W · 8 D · 23 L
Opp. avg
1761
Last 46 games
Last game
2026-08-19
Caribbean Chess Cup 2026 | U18
Prep summary
- As White: 1.d4 in 48% of games (scores 41%), otherwise 1.Nf3 (48%).
- Against 1.e4: 1...c5 in 15 of 16 games (Sicilian Defense), scoring 60%.
- Against 1.d4: 1...Nf6 in 4 of 4 games (Indian Defense), scoring 25%.
- Weak spot: Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan as White, only 38% in 4 games.
- By opponent strength: 20% against higher-rated players, 50% against lower-rated.
Based on 46 over-the-board games (19 classical · 5 blitz · 4 rapid). 23 with White (37%), 23 with Black (46%).
Openings as White
First move
| 1.d4 | 11 | 41% |
| 1.Nf3 | 11 | 36% |
| 1.h3 | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | 4 | 38% |
| King's Indian Defense: Pomar System | 2 | 100% |
| Benoni Defense: Weenink Variation | 2 | 25% |
| Clemenz Opening | 1 | 0% |
| King's Indian Defense: Exchange Variation | 1 | 50% |
Openings as Black
Against 1.e4 (16 games)
| 1...c5 Sicilian Defense | 15 | 60% |
| 1...e5 King's Pawn Game | 1 | 50% |
Against 1.d4 (4 games)
| 1...Nf6 Indian Defense | 4 | 25% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Old Sicilian | 4 | 50% |
| Sicilian Defense: Bowdler Attack | 2 | 100% |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 2 | 50% |
| King's Gambit Accepted: King's Knight's Gambit | 1 | 50% |
| Sicilian Defense: Smith-Morra Gambit Accepted, Morphy Defense | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-08-19 | Mohit Sharma (1494) Caribbean Chess Cup 2026 | U18 · classical | L |
| 2026-08-19 | Patrick J. de Roo (1616) Caribbean Chess Cup 2026 | U18 · classical | ½ |
| 2026-08-19 | Xevyn O. Dirks (1479) Caribbean Chess Cup 2026 | U18 · classical | W |
| 2026-08-19 | Dimitri Fungfook Caribbean Chess Cup 2026 | U18 · classical | W |
| 2026-08-19 | Ize-Nahae Dirks Caribbean Chess Cup 2026 | U18 · classical | W |
| 2026-07-12 | Sixtus Gabriel (1877) CARIFTA HYBRID 2026 | Open | L |
| 2026-07-12 | Taffin Khan (1968) CARIFTA HYBRID 2026 | Open | L |
| 2026-07-12 | Rurik Capella (1909) CARIFTA HYBRID 2026 | Open | W |
| 2026-07-12 | Nathan Belinfante (1822) CARIFTA HYBRID 2026 | Open | ½ |
| 2026-07-12 | Hiram Williams CARIFTA HYBRID 2026 | Open | 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.