Chess Games DB
Find player games & weaknesses
Log in
Player profile

Mendes, Rui Oscar

Standard: 1753 Rapid: 1682 Blitz: 1636 (last updated 2026-11-02)
FIDE ID: 1901753 (view FIDE profile)
Federation: POR Sex: M Birth Year: 1955 Age: 71
Title: — Women's title: — Other title: — FOA title: —
Games: 9 Wins: 1 (11%) Draws: 3 (33%) Losses: 5 (56%)
View all games
Dossier

9 of 9 games analyzed.

Accuracy: 88.1%
Opened d4: 5/5
Castled kingside: 8Same-side castling: 7Opposite-side castling: 1Did not castle: 1
Played in the center: 7Fianchettoed kingside: 3Played on the kingside: 1Played on the queenside: 1
Active pieces: 6Backward pawn: 5Space advantage: 5Sacrificed material: 5Initiated exchanges: 5Isolated pawn: 5Missed tactics: 3Kept the bishop pair: 2Avoided exchanges: 2Played gambits: 1
View full dossier
Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 5 games 1W 1D 3L
Queen's Pawn Game 2 games 1W 0D 1L
Accelerated London System 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
King's Indian Defense 1 game 0W 1D 0L
Sämisch Variation 1 game 0W 1D 0L
Closed Variation 1 game 0W 1D 0L
Bogo-Indian Defense 1 game 0W 0D 1L
Nimzowitsch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 1L
Anti-Nimzo-Indian 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 4 games 0W 2D 2L
King's Indian Defense 2 games 0W 1D 1L
Orthodox Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Sämisch Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Scotch Game 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Three Knights Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 45

This player's costliest moves in analyzed games. Can you find the winning move?

2026.09.05 · 24. Qxg4 (−43.4% win chance) 0-1
Morgado, Jorge
Mendes, Rui Oscar
View game
2026.09.05 · 23. Nd6+ (−31.5% win chance) 0-1
Morgado, Jorge
Mendes, Rui Oscar
View game
2026.09.04 · 45... e4+ (−24.4% win chance) 1-0
Mendes, Rui Oscar
Cabete, Manuel
View game
2026.09.05 · 35. Rf1 (−24% win chance) 0-1
Morgado, Jorge
Mendes, Rui Oscar
View game
View blunders & mistakes
Games Showing all 9 games
Date Event Round Color Opponent Result Accuracy % First moves