Player profile
Guimaraes, Mateus Oliveira
Dossier
11 of 11 games analyzed.
Accuracy: 84.9%
Opened d4: 5/5
Castled kingside: 7Same-side castling: 5Did not castle: 3Opposite-side castling: 2Castled queenside: 1
Played on the queenside: 5Played in the center: 4Played on the kingside: 1Fianchettoed queenside: 1
Sacrificed material: 9Initiated exchanges: 8Active pieces: 7Kept the bishop pair: 6Space advantage: 6Isolated pawn: 5Backward pawn: 5Avoided exchanges: 2Missed tactics: 2
Openings
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As White 5 games 2W 1D 2L
Grünfeld Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Classical Variation
1 game
0W
1D
0L
Queen's Gambit Declined 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 1 game 0W 0D 1L
Sämisch Variation 1 game 0W 0D 1L
Closed Variation
1 game
0W
0D
1L
Queen's Indian Accelerated 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Indian Defense 1 game 0W 0D 1L
Kasparov-Petrosian Variation 1 game 0W 0D 1L
Marco Defense
1 game
0W
0D
1L
As Black 6 games 4W 0D 2L
Sicilian Defense 4 games 3W 0D 1L
Najdorf Variation 3 games 2W 0D 1L
Browne Variation
1 game
0W
0D
1L
Yates Variation
1 game
1W
0D
0L
Traditional Line
1 game
1W
0D
0L
Closed 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 1 game 1W 0D 0L
Chigorin Variation 1 game 1W 0D 0L
Alburt Defense
1 game
1W
0D
0L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Normal Variation
1 game
0W
0D
1L
Blunders Top 4 of 42
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 11 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.07 | III ABERTO DO BRASIL DE XADREZ RONDONIA | 6.11 | 2026.09.07 Oliveira, Emanuel Vitor F (1552) | ½ | 83.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2026.09.06 | III ABERTO DO BRASIL DE XADREZ RONDONIA | 5.14 | 2026.09.06 Oliveira, Fernanda da Silva (44728450) | 1 | 88.10% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.09.06 | III ABERTO DO BRASIL DE XADREZ RONDONIA | 4.6 | 2026.09.06 Sene, Gian Pedro F S (538073277) | 0 | 77.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.09.05 | III ABERTO DO BRASIL DE XADREZ RONDONIA | 3.13 | 2026.09.05 Gomes, Marcos Matos (580025501) | 1 | 97.80% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| 2026.09.05 | III ABERTO DO BRASIL DE XADREZ RONDONIA | 2.7 | 2026.09.05 Lemos, Paulo Henrique C (1619) | 0 | 58.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.09.04 | III ABERTO DO BRASIL DE XADREZ RONDONIA | 1.8 | 2026.09.04 Cardoso, Laura Cristina (538075954) | 1 | 96.20% | 1. d4 d5 2. Nc3 Bf5 3. e3 e6 | |
| 2026.05.03 | TORNEIO INTERNACIONAL DE XADREZ DA CIDADE DE RIO BRANCO AC - BRASIL | 6.4 | 2026.05.03 Do Carmo, Gabriel Carckeno (22783024) (2046) | 0 | 87.00% | 1. c4 c5 2. Nc3 b6 3. e4 Bb7 | |
| 2026.05.02 | TORNEIO INTERNACIONAL DE XADREZ DA CIDADE DE RIO BRANCO AC - BRASIL | 4.3 | 2026.05.02 Leitao Neto, Antonio Alves (2191342) (1982) | 1 | 92.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.02 | TORNEIO INTERNACIONAL DE XADREZ DA CIDADE DE RIO BRANCO AC - BRASIL | 3.7 | 2026.05.02 de Oliveira, Reginaldo Sousa (1861) | 1 | 73.00% | 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 | |
| 2026.05.01 | TORNEIO INTERNACIONAL DE XADREZ DA CIDADE DE RIO BRANCO AC - BRASIL | 2.15 | 2026.05.01 da Silva, Pericles Joab M (580000665) | 1 | 98.50% | 1. e4 c5 2. Nc3 d6 3. Bc4 Nf6 | |
| 2026.04.01 | TORNEIO INTERNACIONAL DE XADREZ DA CIDADE DE RIO BRANCO AC - BRASIL | 5.1 | 2026.04.01 Araujo, Everson De Moura (22737197) (2016) | 0 | 82.10% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 |