Joao Guilherme Matos
POR · FIDE ID 1942743 · 62 tournament games since 2023
Standard
1851
#335 in POR (active)
Rapid
1844
#336 in POR (active)
Blitz
1854
#274 in POR (active)
Score
63%
34 W · 10 D · 18 L
Opp. avg
1835
Last 50 games
Last game
2026-08-29
Maia Chess Open 2026 | U2000
Prep summary
- As White: 1.d4 in 72% of games (scores 78%).
- Against 1.e4: 1...e6 in 15 of 16 games (French Defense), scoring 60%.
- Against 1.d4: 1...Nf6 in 11 of 13 games (Indian Defense), scoring 59%.
- Comfort zone: Queen's Pawn Game: London System as White, 100% in 7 games.
- By opponent strength: 46% against higher-rated players, 93% against lower-rated.
Based on 62 over-the-board games (15 classical · 13 blitz). 32 with White (67%), 30 with Black (58%).
Openings as White
First move
| 1.d4 | 23 | 78% |
| 1.Nf3 | 6 | 58% |
| 1.e4 | 3 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Pawn Game: London System | 7 | 100% |
| Indian Defense: London System | 6 | 75% |
| Queen's Pawn Game: London System, with e6 | 5 | 60% |
| Zukertort Opening: Sicilian Invitation | 2 | 100% |
| Indian Defense: Przepiorka Variation | 1 | 50% |
Openings as Black
Against 1.e4 (16 games)
| 1...e6 French Defense | 15 | 60% |
| 1...c5 Sicilian Defense | 1 | 100% |
Against 1.d4 (13 games)
| 1...Nf6 Indian Defense | 11 | 59% |
| 1...e6 Horwitz Defense | 2 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| French Defense: Rubinstein Variation, Fort Knox Variation | 6 | 42% |
| French Defense: Exchange Variation | 4 | 100% |
| Bogo-Indian Defense: Nimzowitsch Variation | 2 | 100% |
| Indian Defense: Accelerated London System | 2 | 75% |
| French Defense: Two Knights Variation | 2 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-08-29 | Fabio Magalhaes (1627) Maia Chess Open 2026 | U2000 | W |
| 2026-08-28 | Rui Oscar Mendes (1749) Maia Chess Open 2026 | U2000 | W |
| 2026-08-27 | Jorge Manuel Coelho (1742) Maia Chess Open 2026 | U2000 | ½ |
| 2026-08-26 | Francesco Boraso (1994) Maia Chess Open 2026 | U2000 | L |
| 2026-08-25 | Niusha Afshar (1894) Maia Chess Open 2026 | Streamers · blitz | W |
| 2026-08-25 | Michael Duke (2011) Maia Chess Open 2026 | Streamers · blitz | W |
| 2026-08-25 | Madeline Weber (1947) Maia Chess Open 2026 | Streamers · blitz | W |
| 2026-08-25 | Ivo Rodrigues Dias (2075) Maia Chess Open 2026 | Streamers · blitz | W |
| 2026-08-25 | Daniel Maselli (1861) Maia Chess Open 2026 | Streamers · blitz | W |
| 2026-08-25 | Alexandra Bob (1705) Maia Chess Open 2026 | Streamers · 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.