Player profile
Tomiello, Mateus Costamilan
Dossier
41 of 49 games analyzed.
Accuracy: 87.2%
Opened e4: 10/16Opened c4: 5/16Opened d4: 1/16
Same-side castling: 24Castled kingside: 22Castled queenside: 7Opposite-side castling: 3Did not castle: 1
Played in the center: 10Fianchettoed kingside: 10Played on the queenside: 9Fianchettoed queenside: 5Played on the kingside: 4
Kept the bishop pair: 24Active pieces: 24Sacrificed material: 18Backward pawn: 17Space advantage: 16Initiated exchanges: 15Missed tactics: 13Isolated pawn: 11Avoided exchanges: 8Played gambits: 2
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 20 games 7W 4D 9L
English Opening 7 games 3W 1D 3L
King's English Variation 4 games 0W 1D 3L
Two Knights Variation, Smyslov System
2 games
0W
0D
2L
(unspecified)
1 game
0W
1D
0L
Four Knights Variation, Fianchetto Line
1 game
0W
0D
1L
Four Knights System 1 game 1W 0D 0L
Nimzowitsch Variation
1 game
1W
0D
0L
Anglo-Indian Defense 1 game 1W 0D 0L
Anglo-Grünfeld Variation
1 game
1W
0D
0L
Symmetrical Variation 1 game 1W 0D 0L
Botvinnik System Reversed, with e3
1 game
1W
0D
0L
Sicilian Defense 4 games 2W 1D 1L
Taimanov Variation 2 games 0W 1D 1L
Bastrikov Variation, English Attack
1 game
0W
1D
0L
Szén Variation
1 game
0W
0D
1L
Najdorf Variation 2 games 2W 0D 0L
Opocensky Variation
2 games
2W
0D
0L
Ruy Lopez 3 games 1W 1D 1L
Closed 2 games 0W 1D 1L
Flohr System
1 game
0W
1D
0L
(unspecified)
1 game
0W
0D
1L
Open 1 game 1W 0D 0L
Howell Attack
1 game
1W
0D
0L
Pirc Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Caro-Kann Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
Tal Variation
1 game
0W
0D
1L
Nimzo-Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Noa Variation
1 game
0W
0D
1L
Slav Defense 1 game 1W 0D 0L
Czech Variation 1 game 1W 0D 0L
Wiesbaden Variation, Sharp Line
1 game
1W
0D
0L
Ware Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
French Defense 1 game 0W 0D 1L
Steinitz Variation 1 game 0W 0D 1L
Boleslavsky Variation
1 game
0W
0D
1L
As Black 18 games 7W 2D 9L
Queen's Gambit Declined 4 games 1W 1D 2L
Exchange Variation 2 games 1W 1D 0L
Reshevsky Variation
1 game
0W
1D
0L
Positional Variation
1 game
1W
0D
0L
Three Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Harrwitz Attack 1 game 0W 0D 1L
Two Knights Defense, Blockade Line
1 game
0W
0D
1L
Sicilian Defense 3 games 2W 1D 0L
Lasker-Pelikan Variation 3 games 2W 1D 0L
(unspecified)
2 games
1W
1D
0L
Schlechter Variation
1 game
1W
0D
0L
Slav Defense 3 games 1W 0D 2L
Modern Line 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Geller Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Attack 2 games 0W 0D 2L
Wahls Defense 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
English Opening 2 games 1W 0D 1L
King's English Variation 1 game 1W 0D 0L
Kramnik-Shirov Counterattack
1 game
1W
0D
0L
Agincourt Defense 1 game 0W 0D 1L
Neo-Catalan Declined
1 game
0W
0D
1L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Hungarian Opening 1 game 1W 0D 0L
Indian Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Semi-Slav Defense 1 game 0W 0D 1L
Moscow Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 207
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 49 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.01.21 | BCS Floripa - STD | 6.13 | 2026.01.21 Larino Nieto, David (2256444) (2436) | 0 | 88.70% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.01.21 | Round 9: Rodriguez Vila, Andres - Tomiello, Mateus Costamilan | 9.9 | 2026.01.21 Rodriguez Vila, Andres (3000010) (2405) | 0 | 87.50% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 | |
| 2026.01.21 | Round 6: Tomiello, Mateus Costamilan - Melian, Juan Sebastian | 6.13 | 2026.01.21 Melian, Juan Sebastian (3706575) (2300) | ½ | 81.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.01.21 | Round 3: Ticona Rocabado, Licael Roderick - Tomiello, Mateus Costamilan | 3.9 | 2026.01.21 Ticona Rocabado, Licael Roderick (3319113) (2435) | 0 | 86.80% | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.01.19 | BCS Floripa - STD | 4.10 | 2026.01.19 Quintiliano, Renato R. (2117568) (2480) | 0 | 89.20% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.12.20 | Round 10: Tomiello, Mateus Costamilan - Molina, Roberto Junio Brito | 10.5 | 2025.12.20 Molina, Roberto Junio Brito (2109450) (2389) | 0 | 66.10% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.12.18 | Round 7: Tomiello, Mateus Costamilan - Filgueiras, Nathan Felipe | 7.5 | 2025.12.18 Filgueiras, Nathan Felipe (2188562) (2405) | 0 | 77.00% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.03.23 | 14º Aberto do Brasil Memorial Bobby Fischer 2025 | 6.3 | 2025.03.23 Lima, Stefan Moisei VIeira (22782273) (2234) | ½ | 94.30% | 1. c4 e5 2. g3 d6 3. Bg2 f5 | |
| 2025.03.23 | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | 5.6 | 2025.03.23 Da Silva,Arthur Moura Viera (2138603) (1972) | 1 | - | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2025.03.22 | 14º Aberto do Brasil Memorial Bobby Fischer 2025 | 4.2 | 2025.03.22 Lima, Darcy (2100045) (2374) | ½ | - | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.03.22 | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | 3.13 | 2025.03.22 Andrade, Roberto Luiz Costa (2101521) (1964) | 1 | - | 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 | |
| 2025.03.21 | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | 2.13 | 2025.03.21 Barbosa, Cidclei de Oliveira (2143810) (1880) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.03.21 | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | 1.12 | 2025.03.21 Santos, Alan Gomes Florencio (22787186) (1729) | 1 | - | 1. c4 c6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.01.26 | Round 10: Belmonte, Diego Mariano - Tomiello, Mateus Costamilan | 10.16 | 2025.01.26 Belmonte, Diego Mariano (105856) (2310) | 1 | 95.20% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.01.25 | Round 9: Tomiello, Mateus Costamilan - Matsuura, Everaldo | 9.9 | 2025.01.25 Matsuura, Everaldo (2100169) (2375) | ½ | 98.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.01.24 | Round 8: Dos Santos, Welligton Carlos - Tomiello, Mateus Costamilan | 8.11 | 2025.01.24 Dos Santos, Welligton Carlos (22754997) (1805) | 1 | 65.70% | 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 | |
| 2025.01.22 | Round 6: Do Valle Cardoso, Lucas - Tomiello, Mateus Costamilan | 6.11 | 2025.01.22 Do Valle Cardoso, Lucas (2163144) (2400) | 0 | 89.10% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.01.22 | Round 11: Cordero, Daniela - Tomiello, Mateus Costamilan | 11.9 | 2025.01.22 Cordero, Daniela (3301630) (1917) | 1 | 94.00% | 1. d4 d5 2. Nf3 Nf6 3. c4 c6 | |
| 2025.01.22 | Round 10: Tomiello, Mateus Costamilan - Nogueira, Ivan Kuhlmann | 10.4 | 2025.01.22 Nogueira, Ivan Kuhlmann (2101297) (2293) | ½ | 84.10% | 1. e4 a5 2. d4 g6 3. c4 Bg7 | |
| 2025.01.22 | Round 9: Rodi, Luis Ernesto - Tomiello, Mateus Costamilan | 9.14 | 2025.01.22 Rodi, Luis Ernesto (101710) (2229) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.01.22 | Round 8: Tomiello, Mateus Costamilan - Melian, Juan Sebastian | 8.7 | 2025.01.22 Melian, Juan Sebastian (3706575) (2270) | 0 | 85.00% | 1. c4 e5 2. Nc3 Bb4 3. g3 Nf6 | |
| 2025.01.22 | Round 7: Lima, Darcy - Tomiello, Mateus Costamilan | 7.11 | 2025.01.22 Lima, Darcy (2100045) (2337) | 1 | 92.10% | 1. g3 Nf6 2. Bg2 d5 3. f4 c5 | |
| 2025.01.22 | Round 6: Tomiello, Mateus Costamilan - Almeida Junior, Alvaro Alves de | 6.4 | 2025.01.22 Almeida Junior, Alvaro Alves de (2149974) (2059) | 1 | 89.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.01.22 | Round 5: Shoker, Samy - Tomiello, Mateus Costamilan | 5.8 | 2025.01.22 Shoker, Samy (627143) (2469) | 0 | 85.60% | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2025.01.22 | Round 4: Tomiello, Mateus Costamilan - Ticona Rocabado, Licael Roderick | 4.11 | 2025.01.22 Ticona Rocabado, Licael Roderick (3319113) (2389) | 0 | - | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.01.22 | Round 3: Souza, Adwilhans Luciano - Tomiello, Mateus Costamilan | 3.12 | 2025.01.22 Souza, Adwilhans Luciano (2101793) (2281) | ½ | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.01.20 | Round 3: Tomiello, Mateus Costamilan - Bachmann, Axel | 3.2 | 2025.01.20 Bachmann, Axel (3700488) (2571) | 0 | 89.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.12.19 | Round 9: Tomiello, Mateus Costamilan - Matsuura, Everaldo | 9.5 | 2024.12.19 Matsuura, Everaldo (2100169) (2370) | 0 | 92.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.12.13 | 90º Campeonato Brasileiro de Xadrez | 10 | 2024.12.13 Muniz, Francisco Allysson da S. (2184753) (2096) | 0 | 77.70% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2024.12.13 | 90º Campeonato Brasileiro de Xadrez | 8 | 2024.12.13 Torres, Jose Belo (44772084) (2033) | 1 | 96.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.12.13 | 90º Campeonato Brasileiro de Xadrez | 7 | 2024.12.13 Do Nascimento, Davi Alves (2192950) (2002) | 1 | 88.30% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2024.12.13 | 90º Campeonato Brasileiro de Xadrez | 5 | 2024.12.13 Oliveira, Tiago Batista (2108291) (2010) | 0 | 83.40% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2024.12.13 | 90º Campeonato Brasileiro de Xadrez | 4 | 2024.12.13 Ferreira Filho, Joao Bosco Filgue (22747230) (1893) | 1 | 96.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.01.26 | Round 8: Leandro Perdomo - Mateus Costamilan Tomiello | 2024.01.26 Leandro Perdomo (2382) | 0 | 83.30% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | ||
| 2024.01.22 | Round 3: Mateus Costamilan Tomiello - Jose Fernando Cuenca Jimenez | 2024.01.22 Jose Fernando Cuenca Jimenez (2514) | 0 | 92.80% | 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 | ||
| 2023.11.08 | Round 4: Mateus Costamilan Tomiello - Diego Saul Rodri Flores Quillas | 2023.11.08 Diego Saul Rodri Flores Quillas (2414) | 0 | 91.60% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | ||
| 2023.11.07 | Round 3: Pablo Castro Salgado - Mateus Costamilan Tomiello | 2023.11.07 Pablo Castro Salgado (2150) | 0 | 84.20% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2023.11.06 | Round 2: Mateus Costamilan Tomiello - Kaua Marques Silva | 2023.11.06 Kaua Marques Silva (2235) | 1 | 91.10% | 1. c4 c5 2. Nc3 Nc6 3. g3 g6 | ||
| 2023.09.21 | Round 8: Mateus Costamilan Tomiello - Marco Delgado Romero | 2023.09.21 Marco Delgado Romero | ½ | 83.50% | 1. c4 e5 2. g3 Nf6 3. Bg2 d5 | ||
| 2023.09.19 | Round 6: Mateus Costamilan Tomiello - Matias Perez Gormaz | 2023.09.19 Matias Perez Gormaz | ½ | 94.40% | 1. c4 e5 2. g3 Nf6 3. Bg2 d5 | ||
| 2023.09.15 | Round 2: Mateus Costamilan Tomiello - Cristhian Cruz | 2023.09.15 Cristhian Cruz | ½ | 97.70% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | ||
| 2023.07.15 | Round 9: Mateus Costamilan Tomiello - Antu Amigo Quintana | 2023.07.15 Antu Amigo Quintana | 1 | 91.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.07.15 | Round 8: Nathan Felipe Filgueiras - Mateus Costamilan Tomiello | 2023.07.15 Nathan Felipe Filgueiras | 0 | 85.80% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2023.07.14 | Round 7: Juan Sebastian Melian - Mateus Costamilan Tomiello | 2023.07.14 Juan Sebastian Melian | 1 | 93.70% | 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 | ||
| 2023.07.13 | Round 6: Mateus Costamilan Tomiello - Pablo Castro Salgado | 2023.07.13 Pablo Castro Salgado | 1 | 90.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2023.07.12 | Round 5: Mateus Costamilan Tomiello - Lucas Costamilan Tomiello | 2023.07.12 Lucas Costamilan Tomiello | ½ | 98.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | ||
| 2023.07.12 | Round 4: Matias Jaque Gutierrez - Mateus Costamilan Tomiello | 2023.07.12 Matias Jaque Gutierrez | ½ | 84.00% | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | ||
| 2023.07.11 | Round 3: Felipe Perez Rojas - Mateus Costamilan Tomiello | 2023.07.11 Felipe Perez Rojas | 1 | 90.10% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2023.01.26 | Round 6: Mateus Costamilan Tomiello - Diego Saul Rodri Flores Quillas | 2023.01.26 Diego Saul Rodri Flores Quillas | 0 | 74.20% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 |