| Aug 29, 2021 | lara2007zg | 1–0 | Cassidy Maina | Online_Olympiad_Div3_PoolB | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Aug 28, 2021 | Hwass | 0–1 | Cassidy Maina | Online_Olympiad_Div3_PoolB | Indian Defense | |
| Aug 28, 2021 | Lema | 0–1 | Cassidy Maina | Online_Olympiad_Div3_PoolB | Sicilian Defense: French Variation | |
| Aug 27, 2021 | Ahmad Murad | ½–½ | Cassidy Maina | Online_Olympiad_Div3_PoolB | King's Indian Defense: Normal Variation | |
| Aug 16, 2021 | Cassidy Maina | 0–1 | Bashirli | World Youth Cup 2021 O18-G10 - Girls 10 | Sicilian Defense: Closed | |
| Aug 16, 2021 | Cassidy Maina | 1–0 | Puig | World Youth Cup 2021 O18-G10 - Girls 10 | King's Pawn Game: King's Head Opening | |
| Aug 16, 2021 | Cassidy Maina | 0–1 | Zol-Uchral | World Youth Cup 2021 O18-G10 - Girls 10 | Sicilian Defense: Najdorf Variation, English Attack | |
| Aug 16, 2021 | Cassidy Maina | 1–0 | Cruz | World Youth Cup 2021 O18-G10 - Girls 10 | French Defense: Tarrasch Variation, Closed Variation | |
| Aug 16, 2021 | Cassidy Maina | 0–1 | Zeybek | World Youth Cup 2021 O18-G10 - Girls 10 | French Defense: Tarrasch Variation, Closed Variation | |
| Aug 16, 2021 | Ostafiev | 1–0 | Cassidy Maina | World Youth Cup 2021 O18-G10 - Girls 10 | Sicilian Defense: Closed | |
| Aug 16, 2021 | Nathan | 0–1 | Cassidy Maina | World Youth Cup 2021 O18-G10 - Girls 10 | Zukertort Opening: Sicilian Invitation | |
| Aug 16, 2021 | Margad | 0–1 | Cassidy Maina | World Youth Cup 2021 O18-G10 - Girls 10 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Aug 16, 2021 | Speerli | 0–1 | Cassidy Maina | World Youth Cup 2021 O18-G10 - Girls 10 | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Aug 16, 2021 | Semenova | ½–½ | Cassidy Maina | World Youth Cup 2021 O18-G10 - Girls 10 | King's Indian Defense: Makogonov Variation | |
| Jun 27, 2021 | Cassidy Maina | 0–1 | Masaiti | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jun 27, 2021 | Cassidy Maina | 0–1 | Karenza | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: McDonnell Attack | |
| Jun 27, 2021 | Cassidy Maina | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: McDonnell Attack | |
| Jun 27, 2021 | Cassidy Maina | 0–1 | Varney | Queen’s Chess Festival - Team Final - Team final | King's Gambit Accepted: Schallopp Defense | |
| Jun 27, 2021 | Cassidy Maina | 0–1 | Nakabo | Queen’s Chess Festival - Team Final - Team final | Caro-Kann Defense: Exchange Variation | |
| Jun 27, 2021 | Chang | 1–0 | Cassidy Maina | Queen’s Chess Festival - Team Final - Team final | English Opening: Great Snake Variation | |
| Jun 27, 2021 | R | 1–0 | Cassidy Maina | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: Kan Variation, Knight Variation | |
| Jun 27, 2021 | Ortiz | 1–0 | Cassidy Maina | Queen’s Chess Festival - Team Final - Team final | King's Indian Defense: Kramer Variation | |
| Jun 27, 2021 | Esadze | 1–0 | Cassidy Maina | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
