Player profile
Chiari, Cosimo
Dossier
60 of 66 games analyzed.
Accuracy: 88.5%
Opened d4: 17/26Opened c4: 5/26Opened e4: 4/26
Castled kingside: 41Same-side castling: 37Did not castle: 6Castled queenside: 4Opposite-side castling: 4
Fianchettoed kingside: 30Played in the center: 14Fianchettoed queenside: 14Played on the queenside: 14Played on the kingside: 13
Active pieces: 37Sacrificed material: 35Initiated exchanges: 35Kept the bishop pair: 33Space advantage: 33Backward pawn: 32Isolated pawn: 26Missed tactics: 22Avoided exchanges: 10Played gambits: 7
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 30 games 14W 4D 12L
Catalan Opening 10 games 5W 2D 3L
Open Defense 6 games 2W 1D 3L
(unspecified)
3 games
2W
0D
1L
Classical Line
3 games
0W
1D
2L
Closed 3 games 3W 0D 0L
(unspecified)
2 games
2W
0D
0L
Main Line
1 game
1W
0D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 5 games 1W 1D 3L
Karpov System 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Fianchetto Variation 2 games 0W 0D 2L
Classical Fianchetto
1 game
0W
0D
1L
Immediate Fianchetto
1 game
0W
0D
1L
Makogonov Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 3 games 2W 0D 1L
King's English Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Agincourt Defense 1 game 1W 0D 0L
Catalan Defense Accepted
1 game
1W
0D
0L
Caro-Kann Defense 2 games 0W 0D 2L
Tartakower Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Exchange Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Slav Defense 2 games 1W 1D 0L
Breyer Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Benoni Defense 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Fianchetto Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Gambit Declined 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Sicilian Defense 1 game 0W 0D 1L
Najdorf Variation 1 game 0W 0D 1L
Petronić Attack
1 game
0W
0D
1L
Alekhine Defense 1 game 1W 0D 0L
Scandinavian Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Elephant Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Mikenas Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 27 games 8W 5D 14L
Sicilian Defense 14 games 4W 3D 7L
Najdorf Variation 5 games 3W 1D 1L
Adams Attack
2 games
2W
0D
0L
English Attack
1 game
0W
0D
1L
(unspecified)
1 game
0W
1D
0L
Opocensky Variation
1 game
1W
0D
0L
Accelerated Dragon 3 games 0W 1D 2L
Maróczy Bind, Gurgenidze Variation
2 games
0W
1D
1L
Modern Variation
1 game
0W
0D
1L
Hyperaccelerated Dragon 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Chekhover Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Closed 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 0D 1L
Fianchetto Variation
1 game
0W
0D
1L
Scheveningen Variation 1 game 0W 0D 1L
English Attack, with f3
1 game
0W
0D
1L
English Opening 4 games 0W 1D 3L
Agincourt Defense 1 game 0W 0D 1L
Catalan Defense Accepted
1 game
0W
0D
1L
Four Knights System 1 game 0W 0D 1L
Nimzowitsch Variation
1 game
0W
0D
1L
King's English Variation 1 game 0W 1D 0L
Four Knights Variation, Fianchetto Line
1 game
0W
1D
0L
Anglo-Indian Defense 1 game 0W 0D 1L
Queen's Knight Variation
1 game
0W
0D
1L
Queen's Gambit Accepted 4 games 1W 0D 3L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Alekhine Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Classical Defense 1 game 0W 0D 1L
Rubinstein Variation
1 game
0W
0D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 2 games 2W 0D 0L
Barry Attack 1 game 1W 0D 0L
Tarzan Attack
1 game
1W
0D
0L
Colle System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 1D 0L
Double Fianchetto 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Indian Defense 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
Gligoric System, Exchange Variation
1 game
0W
0D
1L
Blunders Top 4 of 310
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 66 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.27 | Round 5: Chiari, Cosimo - Viti, Greta | 5.5 | 2026.09.27 Viti, Greta (28551931) (2069) | 0 | 79.30% | 1. c4 e5 2. g3 c6 3. Bg2 d5 | |
| 2026.09.27 | Round 4: Vitale, Romualdo - Chiari, Cosimo | 4.12 | 2026.09.27 Vitale, Romualdo (862134) (1993) | 1 | 95.80% | 1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 | |
| 2026.09.26 | Round 2: Chiari, Cosimo - Di Girolamo, Nicolo` | 2.6 | 2026.09.26 Di Girolamo, Nicolo` (2835580) (2007) | 0 | 67.70% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.09.25 | Round 1: Bango, Lukas - Chiari, Cosimo | 1.4 | 2026.09.25 Bango, Lukas (14933365) (2305) | 0 | 84.50% | 1. g3 Nf6 2. Bg2 d5 3. c4 dxc4 | |
| 2026.09.05 | Round 9: Chiari, Cosimo - Petcu, Gabriel | 9.23 | 2026.09.05 Petcu, Gabriel (28548485) (2229) | 0 | 79.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.09.04 | Round 8: Salsa, Nicola - Chiari, Cosimo | 8.25 | 2026.09.04 Salsa, Nicola (34697462) (2102) | ½ | 85.80% | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 | |
| 2026.09.03 | Round 7: Chiari, Cosimo - Munar, Joan | 7.28 | 2026.09.03 Munar, Joan (28590643) (1766) | 1 | 92.00% | 1. c4 c5 2. g3 Nc6 3. Bg2 Nf6 | |
| 2026.09.02 | Round 6: Ganci, Alberto - Chiari, Cosimo | 6.26 | 2026.09.02 Ganci, Alberto (2867724) (2182) | ½ | 98.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.09.01 | Round 5: Chiari, Cosimo - Basso, Edoardo | 5.31 | 2026.09.01 Basso, Edoardo (23425652) (1857) | 1 | 93.70% | 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 | |
| 2026.08.30 | Round 2: Camboni, Matteo - Chiari, Cosimo | 2.31 | 2026.08.30 Camboni, Matteo (28599535) (1748) | 0 | 78.40% | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 | |
| 2026.08.29 | Round 1: Chiari, Cosimo - Boi, Federico | 1.32 | 2026.08.29 Boi, Federico (552015254) (1572) | 1 | 92.30% | 1. e4 e5 2. Nf3 d5 3. Nxe5 Nf6 | |
| 2026.06.26 | Round 11: Chiari, Cosimo - Gerri, Francesco | 11.64 | 2026.06.26 Gerri, Francesco (28585496) (1848) | 1 | - | 1. d4 d5 2. c4 e6 3. g3 Nf6 | |
| 2026.06.25 | Round 10: Voskolovich, Bogdan - Chiari, Cosimo | 10.61 | 2026.06.25 Voskolovich, Bogdan (14702924) (1806) | 0 | 90.50% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2026.06.24 | Round 9: Theodoridis, Charalampos - Chiari, Cosimo | 9.50 | 2026.06.24 Theodoridis, Charalampos (25874675) (2132) | 0 | 91.20% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2026.06.23 | U16 Open | 8.62 | 2026.06.23 Hsin, Kai-En (16305922) (1530) | 1 | 96.20% | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2026.06.22 | Round 7: Wu Zeyin - Chiari, Cosimo | 7.69 | 2026.06.22 Wu Zeyin (11326557) (1547) | 1 | 95.20% | 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 | |
| 2026.06.20 | Round 6: Chiari, Cosimo - Malhotra, Rehaan | 6.61 | 2026.06.20 Malhotra, Rehaan (39914500) (1819) | 0 | - | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.06.19 | Round 5: Dotzer, Lukas - Chiari, Cosimo | 5.45 | 2026.06.19 Dotzer, Lukas (1666975) (2495) | 0 | 91.70% | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 | |
| 2026.06.18 | Round 4: Chiari, Cosimo - Hung, Shao-Yen | 4.64 | 2026.06.18 Hung, Shao-Yen (16305418) | ½ | 83.30% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.06.17 | Round 3: Boutikos, Eleftherios - Chiari, Cosimo | 3.39 | 2026.06.17 Boutikos, Eleftherios (42123518) (2189) | 0 | 87.80% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.06.16 | Round 2: Chiari, Cosimo - Rosano, Francesco | 2.66 | 2026.06.16 Rosano, Francesco (23427230) (1624) | 1 | 94.90% | 1. d4 Nf6 2. c4 c5 3. d5 g6 | |
| 2026.06.15 | Round 1: Gkavardinas, Antonios - Chiari, Cosimo | 1.27 | 2026.06.15 Gkavardinas, Antonios (25883097) (2304) | 0 | 85.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.04.06 | Round 6: Graziani, Emma - Chiari, Cosimo | 6.16 | 2026.04.06 Graziani, Emma (2838716) (1864) | 1 | 90.70% | 1. e4 c5 2. Nf3 g6 3. d3 Bg7 | |
| 2026.04.04 | Round 3: Chiari, Cosimo - Chieppa, Giuseppe | 3.10 | 2026.04.04 Chieppa, Giuseppe (2858148) (1915) | 0 | 82.50% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.04.04 | Round 2: Botta, Massimiliano - Chiari, Cosimo | 2.2 | 2026.04.04 Botta, Massimiliano (2804340) (2262) | 0 | 91.00% | 1. d4 d5 2. c4 dxc4 3. Nf3 a6 | |
| 2026.03.01 | Round 5: Chiari, Cosimo - Tondi, Aurelio | 5.9 | 2026.03.01 Tondi, Aurelio (28549325) (2087) | 1 | 83.10% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.03.01 | Round 4: Nardoni, Matteo - Chiari, Cosimo | 4.8 | 2026.03.01 Nardoni, Matteo (28533518) (2073) | 0 | 88.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.28 | Round 3: Chiari, Cosimo - Caprio, Guido | 3.5 | 2026.02.28 Caprio, Guido (834580) (2435) | 0 | 89.80% | 1. d4 Nf6 2. c4 e6 3. g3 c5 | |
| 2026.02.28 | Round 2: Pin, Orlando - Chiari, Cosimo | 2.9 | 2026.02.28 Pin, Orlando (2863079) (2047) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.27 | Round 1: Chiari, Cosimo - Mammi, Ottavio | 1.6 | 2026.02.27 Mammi, Ottavio (2852360) (2172) | 0 | 87.40% | 1. d4 d5 2. c4 e6 3. g3 dxc4 | |
| 2026.02.14 | Round 9 Finals: Di Liberto, Michele - Chiari, Cosimo | 9.3 | 2026.02.14 Di Liberto, Michele (28556976) (2039) | ½ | 86.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.14 | Round 8 Finals: Chiari, Cosimo - Di Liberto, Michele | 8.3 | 2026.02.14 Di Liberto, Michele (28556976) (2039) | ½ | 99.30% | 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ | |
| 2026.02.13 | Round 7 SemiFinals: Chiari, Cosimo - Pin, Orlando | 7.3 | 2026.02.13 Pin, Orlando (2863079) (2047) | ½ | 96.00% | 1. d4 d5 2. c4 e6 3. g3 Nf6 | |
| 2026.02.13 | Round 6 SemiFinals: Pin, Orlando - Chiari, Cosimo | 6.3 | 2026.02.13 Pin, Orlando (2863079) (2047) | 1 | 97.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.12 | Round 5: Chiari, Cosimo - Alessi, Clio | 5.5 | 2026.02.12 Alessi, Clio (28551729) (1886) | 1 | 97.30% | 1. d4 e6 2. c4 Nf6 3. g3 d5 | |
| 2026.02.12 | Round 4: Viti, Greta - Chiari, Cosimo | 4.5 | 2026.02.12 Viti, Greta (28551931) (2157) | 1 | 86.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.12 | Round 3: Chiari, Cosimo - Vincenti, Leonardo | 3.6 | 2026.02.12 Vincenti, Leonardo (28550820) (2228) | 0 | 77.80% | 1. d4 d5 2. c4 e6 3. g3 Nf6 | |
| 2026.02.11 | Round 2: Di Liberto, Michele - Chiari, Cosimo | 2.4 | 2026.02.11 Di Liberto, Michele (28556976) (2039) | ½ | 85.60% | 1. c4 e5 2. g3 Nf6 3. Bg2 d5 | |
| 2026.02.11 | Round 1: Fulgentini, Edoardo - Chiari, Cosimo | 1.6 | 2026.02.11 Fulgentini, Edoardo (28557050) (2169) | 0 | 83.40% | 1. d4 d5 2. c4 dxc4 3. Nf3 a6 | |
| 2025.11.16 | Round 5: Chiari, Cosimo - Pin, Orlando | 5.3 | 2025.11.16 Pin, Orlando (2863079) (1923) | 0 | 79.10% | 1. d4 d5 2. c4 e6 3. g3 Nf6 | |
| 2025.11.16 | Round 4: Chiari, Cosimo - Vuelban, Virgilio | 4.2 | 2025.11.16 Vuelban, Virgilio (5201896) (2208) | ½ | 84.60% | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 | |
| 2025.11.15 | Round 2: Calvigioni, Matteo - Chiari, Cosimo | 2.3 | 2025.11.15 Calvigioni, Matteo (28513339) (1810) | 1 | 95.80% | 1. d4 d5 2. Nf3 Nf6 3. e3 c5 | |
| 2025.11.14 | Round 3: Natoli, Alessia - Chiari, Cosimo | 3.1 | 2025.11.14 Natoli, Alessia (21892024) (1981) | 0 | 85.00% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2025.11.14 | Round 1: Chiari, Cosimo - Colombini, Lucio | 1.6 | 2025.11.14 Colombini, Lucio (2808035) (1810) | 1 | - | 1. d4 Nc6 2. Nf3 d6 3. c4 e5 | |
| 2025.07.04 | Round 8: Chiari, Cosimo - Unterweger, Jonas | 8.19 | 2025.07.04 Unterweger, Jonas (28538013) (2115) | 1 | 94.40% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.07.03 | Round 7: Codecasa, Alessandro - Chiari, Cosimo | 7.21 | 2025.07.03 Codecasa, Alessandro (28535073) (1785) | 1 | 88.80% | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 | |
| 2025.07.02 | Round 6: Chiari, Cosimo - Bonvino, Gianluigi | 6.22 | 2025.07.02 Bonvino, Gianluigi (23405317) (1877) | 1 | 82.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.06.30 | Round 4: Chiari, Cosimo - Pallini, Tommaso | 4.23 | 2025.06.30 Pallini, Tommaso (28568052) (1842) | 0 | 89.20% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2025.06.28 | Round 9: Chiari, Cosimo - Pulvirenti, Davide | 9.18 | 2025.06.28 Pulvirenti, Davide (28573986) (2081) | 1 | 88.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.02.16 | Round 5: Chiari, Cosimo - Fulgentini, Edoardo | 5.1 | 2025.02.16 Fulgentini, Edoardo (28557050) (2097) | 0 | 89.20% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.02.16 | Round 4: Pin, Orlando - Chiari, Cosimo | 4.3 | 2025.02.16 Pin, Orlando (2863079) (1988) | ½ | 88.50% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2025.02.15 | Round 3: Chiari, Cosimo - Viti, Greta | 3.2 | 2025.02.15 Viti, Greta (28551931) (1971) | 1 | 89.70% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.02.15 | Round 2: D`ippolito, Nilo Alessandro - Chiari, Cosimo | 2.2 | 2025.02.15 D`ippolito, Nilo Alessandro (28560310) (1917) | 0 | - | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2025.02.14 | Round 1: Chiari, Cosimo - Frigerio, Riccardo | 1.3 | 2025.02.14 Frigerio, Riccardo (28551460) (2033) | 0 | - | 1. d4 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2024.07.06 | Round 9: Chiari, Cosimo - Bahnareanu, Gabriel | 9.37 | 2024.07.06 Bahnareanu, Gabriel (28532490) (1660) | 1 | 97.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2024.07.01 | Round 3: Cavaler, Alessandro - Chiari, Cosimo | 3.37 | 2024.07.01 Cavaler, Alessandro (23408936) (1627) | 0 | 86.00% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2024.03.29 | Round 1: Simonetto, Andrea - Chiari, Cosimo | 2024.03.29 Simonetto, Andrea (873314) (2277) | 0 | 87.90% | 1. d4 Nf6 2. c4 e6 3. Nf3 c5 | ||
| 2023.07.09 | Round 9: Chiari Cosimo - Di Bartolomeo Adrian | 2023.07.09 Di Bartolomeo Adrian | 1 | 93.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.07.08 | Round 8: Nassa Nicolas - Chiari Cosimo | 2023.07.08 Nassa Nicolas | 0 | 88.10% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | ||
| 2023.07.07 | Round 7: Chiari Cosimo - Grendene Luca | 2023.07.07 Grendene Luca | 1 | 95.60% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2023.07.06 | Round 6: De Martino Daniele - Chiari Cosimo | 2023.07.06 De Martino Daniele | ½ | 70.90% | 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 | ||
| 2023.07.06 | Round 5: Chiari Cosimo - Costantino Claudio Emanuele | 2023.07.06 Costantino Claudio Emanuele | ½ | 92.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2023.07.05 | Round 4: Petcu Gabriel - Chiari Cosimo | 2023.07.05 Petcu Gabriel | 1 | 92.50% | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 | ||
| 2023.07.04 | Round 3: Chiari Cosimo - Sartirana Federico | 2023.07.04 Sartirana Federico | 1 | 91.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 | ||
| 2023.07.03 | Round 2: Berardi Giulio Raul - Chiari Cosimo | 2023.07.03 Berardi Giulio Raul | 1 | 96.40% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | ||
| 2023.07.02 | Round 1: Chiari Cosimo - Toma Daniele | 2023.07.02 Toma Daniele | 1 | 92.10% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 |