Klaus Izidoro
POR · FIDE ID 1978675 · 9 tournament games since 2025
Standard
1740
#552 in POR (active)
Rapid
1691
#745 in POR (active)
Blitz
1688
#623 in POR (active)
Score
50%
3 W · 3 D · 3 L
Opp. avg
1823
Last 9 games
Last game
2026-09-05
Portuguese National Amateur Championship 2025-26
Prep summary
- As White: 1.d4 in 80% of games (scores 63%), otherwise 1.Nf3 (20%).
- Drawish: 33% of games end in a draw.
Based on 9 over-the-board games (9 classical). 5 with White (50%), 4 with Black (50%).
Openings as White
First move
| 1.d4 | 4 | 63% |
| 1.Nf3 | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Benoni Defense: Classical Variation | 1 | 50% |
| English Opening: Symmetrical Variation | 1 | 0% |
| Queen's Gambit Declined: Anti-Tartakower Variation | 1 | 100% |
| Queen's Gambit Declined | 1 | 100% |
| Indian Defense: London System | 1 | 0% |
Openings as Black
Against 1.e4 (1 game)
| 1...c6 Caro-Kann Defense | 1 | 50% |
Against 1.d4 (2 games)
| 1...d5 Queen's Pawn Game | 2 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Gambit Declined | 1 | 100% |
| English Opening: Agincourt Defense | 1 | 50% |
| Caro-Kann Defense: Bronstein-Larsen Variation | 1 | 50% |
| Queen's Gambit Declined: Janowski Variation | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-09-05 | Joao Alvaro Ferreira (1844) Portuguese National Amateur Championship 2025-26 · classical | ½ |
| 2026-09-05 | Diogo Faria Oliveira Martins (1987) Portuguese National Amateur Championship 2025-26 · classical | L |
| 2026-09-04 | Diogo Borges (1796) Portuguese National Amateur Championship 2025-26 · classical | W |
| 2026-09-04 | Vitor Morais (1872) Portuguese National Amateur Championship 2025-26 · classical | ½ |
| 2026-09-03 | Sergey Demyanchuk (1896) Portuguese National Amateur Championship 2025-26 · classical | W |
| 2026-09-02 | Joao (2011) Cruz (1810) Portuguese National Amateur Championship 2025-26 · classical | ½ |
| 2026-04-01 | Maria Rita Matos (1480) Portugal CN Jovens 2025-26 - U12 · classical | W |
| 2026-03-29 | Arthur Carvalho (1901) Portugal CN Jovens 2025-26 - U12 · classical | L |
| 2025-04-16 | Duarte Reis Campeonato Português de Jovens 2024-25 | U12 · 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.