Prepare against Rui Oscar Mendes
PRT · World #93,019 classical · FIDE ID 1901753
When preparing against Rui Oscar Mendes, expect 1.d4 in 63% of White games. Against 1.e4 the reply is 1...c6 (90% of games); against 1.d4, 1...Nf6 (75%).
Our database contains 71 games by Rui Oscar Mendes, covering Apr 2003 to Aug 2026. Below you'll find Rui Oscar Mendes's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Rui Oscar Mendes before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,749 | 2,037 | Jul 2003 |
| Rapid | 1,729 | 1,788 | Apr 2017 |
| Blitz | 1,643 | 1,813 | Feb 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 71 | 23 | 22 | 26 | 32.4% |
| As White | 35 | 12 | 13 | 10 | 34.3% |
| As Black | 36 | 11 | 9 | 16 | 30.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Rui Oscar Mendes's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Rui Oscar Mendes's side.
First moves as White (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 22 | 62.9% | 45.5% |
| Nf3 | 12 | 34.3% | 66.7% |
| e4 | 1 | 2.9% | 50.0% |
Main lines as White
- 1.d4 — 63% of White games, 45.5% score
- …d5 (36% of these games) — Mendes usually continues Nf3 (66.7% score)
- …Nf6 (32% of these games) — Mendes usually continues c4 (12.5% score)
- …f5 (9% of these games) — Mendes usually continues c4 (0.0% score)
- 1.Nf3 — 34% of White games, 66.7% score
- …d5 (25% of these games) — Mendes usually continues b3 (75.0% score)
- …c5 (17% of these games) — Mendes usually continues b3 (100.0% score)
- …Nf6 (17% of these games) — Mendes usually continues b3 (75.0% score)
As Black against 1.e4 (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 18 | 90.0% | 36.1% |
| e5 | 1 | 5.0% | 50.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 75.0% | 33.3% |
| d5 | 2 | 25.0% | 50.0% |
Rui Oscar Mendes's chess games
All 71 games by Rui Oscar Mendes in the Chess.ceo database (Apr 2003 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 23 wins, 22 draws, 26 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Queen's Pawn Game | 5 | 3/2/0 | 60.0% |
| A06 | Réti Opening | 4 | 3/1/0 | 75.0% |
| A56 | Benoni Defense | 3 | 1/2/0 | 33.3% |
| A85 | Dutch Defense | 3 | 0/0/3 | 0.0% |
| D03 | Torre Attack | 2 | 2/0/0 | 100.0% |
| E81 | King's Indian: Sämisch | 2 | 1/0/1 | 50.0% |
| A41 | Modern Defense | 2 | 0/1/1 | 0.0% |
| A06 | Nimzo-Larsen Attack | 2 | 1/1/0 | 50.0% |
| E10 | Indian Defense: Anti-Nimzo-Indian | 1 | 0/0/1 | 0.0% |
| D02 | Indian Defense: Tartakower Attack | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B19 | Caro-Kann: Classical | 4 | 2/0/2 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 4 | 1/1/2 | 25.0% |
| B13 | Caro-Kann: Exchange Variation | 4 | 0/1/3 | 0.0% |
| A16 | English Opening | 3 | 1/2/0 | 33.3% |
| B10 | Caro-Kann | 3 | 1/0/2 | 33.3% |
| D00 | Trompowsky Attack | 2 | 0/1/1 | 0.0% |
| B16 | Caro-Kann: Main Line | 1 | 1/0/0 | 100.0% |
| B17 | Caro-Kann: Karpov Variation | 1 | 0/1/0 | 0.0% |
| A21 | English Opening: Reverse Sicilian | 1 | 1/0/0 | 100.0% |
| E00 | Catalan | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 1999 | Jose Manuel Goncalv Paulino | 2,129 | Boavista Challenge B | D37 |
| Nov 1999 | Jose Prata | 2,064 | POR SuperCup 9899 | A06 |
| Jun 2006 | Jose Rodrigues | 2,049 | ch-Porto district | D47 |
| Jun 2006 | Thomas Jayes | 1,931 | ch-Porto district | B19 |
| Jan 2005 | Rodrigo Wanderley | 1,925 | ch-Porto fin | D03 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Porto district | 2006 | 16 | 11.5 | 2,087 |
| Boavista Challenge B | 2000 | 9 | 4 | 2,102 |
| 2nd Usar Tolas | 2004 | 9 | 6 | 2,032 |
| Vieira de Carvalho Memorial A | 2003 | 7 | 3.5 | 2,162 |
| ch-Porto District prel A | 2006 | 5 | 2.5 | 1,788 |
| chT-POR 48th | 2006 | 5 | 0 | 2,074 |
| Portuguese Senior Championship 2025-26 | Rapid | S65 | 2026 | 3 | 2.5 | 2,110 |
| Evora Carpintero Memorial 1st | 2006 | 2 | 0.5 | 1,978 |
Interactive opening tree from all 71 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Rui Oscar Mendes's chess games?
71 games by Rui Oscar Mendes, from Apr 2003 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Rui Oscar Mendes has played.
What does Rui Oscar Mendes play on the first move as White?
Across 35 games with White in our database, Rui Oscar Mendes opens with 1.d4 (63% of games), 1.Nf3 (34% of games), 1.e4 (3% of games). Against 1.e4 as Black, Rui Oscar Mendes answers 1...c6 (90% of games), 1...e5 (5% of games). Against 1.d4: 1...Nf6 (75% of games), 1...d5 (25% of games).
What openings does Rui Oscar Mendes play as White?
As White, Rui Oscar Mendes's most-played openings in our database are: Queen's Pawn Game (5 games, 60.0% win rate); Réti Opening (4 games, 75.0% win rate); Benoni Defense (3 games, 33.3% win rate). The full breakdown of 35 games with White is in the table above.
What openings does Rui Oscar Mendes play as Black?
As Black, Rui Oscar Mendes most often plays: Caro-Kann: Classical (4 games, 50.0% win rate); Caro-Kann: Advance Variation (4 games, 25.0% win rate); Caro-Kann: Exchange Variation (4 games, 0.0% win rate). See the table above for the top ten Black openings across 36 games.
What is Rui Oscar Mendes's FIDE rating?
Rui Oscar Mendes is currently rated 1,749 in classical chess, 1,729 in rapid and 1,643 in blitz. Peak classical rating: 2,037 (Jul 2003).
How many games has Rui Oscar Mendes played?
Our database contains 71 games by Rui Oscar Mendes, covering Apr 2003 to Aug 2026. Overall record: 23 wins, 22 draws, 26 losses (32.4% win rate).
How do I prepare against Rui Oscar Mendes?
71 games by Rui Oscar Mendes reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.