| Date | Chess tournament name | Status | 
|---|---|---|
| 2025-03-14 to 2025-03-16 | SCC & Chess4win March Break Open 2025 O1900 ![]()  | 
                                                                                                Finished | 
| 2024-06-15 to 2024-06-15 | 2024 Forcing Moves First - RAPID Chess Championship - OPEN ![]()  | 
                                                                                                Finished | 
| 2024-01-11 to 2024-02-22 | Greater Toronto Chess League 2024 ![]()  | 
                                                                                                Finished | 
| 2023-11-18 to 2023-11-19 | The Etobicoke Hammerhead Open - Open Section ![]()  | 
                                                                                                Finished | 
| 2020-01-14 to 2020-03-10 | Greater Toronto Chess League 2020 ![]()  | 
                                                                                                Finished | 
| 2019-05-18 to 2019-05-20 | ONTARIO OPEN 2019 - U2100 Section ![]()  | 
                                                                                                Finished | 
| 2019-01-15 to 2019-03-26 | Greater Toronto Chess League Championship 2019 ![]()  | 
                                                                                                Finished | 
| 2018-11-24 to 2018-11-24 | 2018 Oakville Chess Club Challenge - Blitz - Open ![]()  | 
                                                                                                Finished | 
| 2018-06-02 to 2018-06-03 | 2018 Golden Horseshoe Chess Championship - Championship section ![]()  | 
                                                                                                Finished | 
| 2018-01-16 to 2018-03-13 | Greater Toronto Chess League 2018 ![]()  | 
                                                                                                Finished | 
| 2017-01-17 to 2017-03-14 | Greater Toronto Chess League 2017 ![]()  | 
                                                                                                Finished | 
| 2014-01-14 to 2014-02-11 | 2014 Greater Toronto Chess League ![]()  | 
                                                                                                Finished | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| No results | No results | No results | No results | No results | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2018.06.02 | He, Emma (1718) vs (1839) Casareno, Erwin Golden Horseshoe Open Sicilian  | 
                                                                                                                                                0-1 | B50 | |
| 2018.06.02 | Zhao, Jeffrey Renfei (1746) vs (1839) Casareno, Erwin Golden Horseshoe Open Scandinavian  | 
                                                                                                                                                1-0 | B01 | |
| 2018.06.02 | Casareno, Erwin (1839) vs (1859) Atanasov, Anthony Golden Horseshoe Open Sicilian Scheveningen Najdorf - Byrne  | 
                                                                                                                                                0-1 | B90 | |
| 2018.06.03 | Issani, Nameer (2020) vs (1839) Casareno, Erwin Golden Horseshoe Open Slav  | 
                                                                                                                                                1/2-1/2 | D10 | |
| 2018.06.03 | Casareno, Erwin (1839) vs (1954) Kang, Dorian Golden Horseshoe Open Sicilian Rossolimo (Fianchetto) - Rossolimo  | 
                                                                                                                                                1-0 | B31 | |
| 2010.07.13 | Casareno, Erwin (1945) vs (2248) Sapozhnikov, R. Canadian Open Queen's Gambit Declined - Old Semi-Slav Noteboom (Abrahams)  | 
                                                                                                                                                0-1 | D31 | |
| 2010.07.12 | Gagunashvili, M. (2596) vs (1945) Casareno, Erwin Canadian Open Slav Alapin - Soultanbeiev  | 
                                                                                                                                                1-0 | D16 | |
| 2010.07.11 | Casareno, Erwin (1945) vs (2187) Henry, Lia Canadian Open Sicilian Scheveningen Najdorf - Byrne  | 
                                                                                                                                                1-0 | B90 | |
| 2009.08.16 | Qin, Z. (2140) vs Casareno, E. ch-CAN Sicilian Scheveningen Najdorf - Lipnitsky  | 
                                                                                                                                                1-0 | B90 | |
| 2009.08.15 | Casareno, E. vs (2161) Arsenault, N. ch-CAN French Paulsen - Steinitz  | 
                                                                                                                                                0-1 | C11 | |
| 2009.08.13 | Humphreys, M. (1999) vs Casareno, E. ch-CAN Semi-Slav  | 
                                                                                                                                                1-0 | D43 | |
| 2009.08.12 | Casareno, E. vs (2214) Morin, Y. ch-CAN English Sicilian  | 
                                                                                                                                                0-1 | A21 | |
| 2009.08.11 | Divljan, I. (2290) vs Casareno, E. ch-CAN Queen's Gambit Declined Semi-Pillsbury - Exchange  | 
                                                                                                                                                1/2-1/2 | D51 | |
| 2009.08.10 | Casareno, E. vs (2145) Me, K. ch-CAN King's Indian Four Pawns - Dynamic  | 
                                                                                                                                                1-0 | E76 | |
| 2009.08.09 | Calugar, A. (2072) vs Casareno, E. ch-CAN Sicilian Rauzer (Modern)  | 
                                                                                                                                                1-0 | B66 | |
| 2009.08.08 | Casareno, E. vs (2381) Noritsyn, N. ch-CAN Sicilian Maroczy  | 
                                                                                                                                                0-1 | B38 | |
| 2010.02.18 | Casareno, Erwin vs (2732) Shirov, A. Scarborough CC Shirov simul Sicilian Scheveningen Najdorf - Byrne  | 
                                                                                                                                                1/2-1/2 | B90 |