| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2022.12.07 | van Heerden, Mia (1167)  vs (972) Diemieniet, Phoebe South African Junior Team Chess Championships 2022 Irregular King's Pawn - Nimzovich  | 
                                                                                                                                                1-0 | B00 | |
| 2022.12.04 | Mkotong, Boipelo (1485)  vs (1167) van Heerden, Mia South African Junior Team Chess Championships 2022 Queen's Pawn Zukertort - Chigorin  | 
                                                                                                                                                1-0 | D02 | |
| 2022.11.15 | Van Heerden, Mia vs (1538) Wickramasinghe, Minethma Lasandi Commonwealth Youth Chess Championship 2022 - U 18 Open & Girls Reti Symmetrical - King's Indian  | 
                                                                                                                                                0-1 | A05 | |
| 2022.04.01 | Gardiner, Noa (1291)  vs (1166) van Heerden, Mia South African Junior Closed Chess Championships 2022 Queen's Pawn Zukertort - Chigorin  | 
                                                                                                                                                1-0 | D02 | |
| 2018.09.01 | Govender, Mikaela (664)  vs (895) van Heerden, Mia 2018 Etienne Lewis Trials Queen's Pawn - Mason  | 
                                                                                                                                                1-0 | D00 | |
| 2016.01.10 | Du Plessis, Marete (891)  vs (749) Van Heerden, Mia South African Junior Championships 2015 Three Knights - Four Knights (Pianissimo)  | 
                                                                                                                                                1-0 | C50 | |
| 2016.01.10 | Van Heerden, Mia (749)  vs (928) Nieuwoudt, Amelie South African Junior Championships 2015 Irregular Queen's Pawn - Franco-Indian  | 
                                                                                                                                                0-1 | A40 | |
| 2016.01.09 | Nhlapo, Vangile (894)  vs (749) Van Heerden, Mia South African Junior Championships 2015 Two Knights - Four Knights (Pianissimo)  | 
                                                                                                                                                0-1 | C50 | |
| 2016.01.09 | Van Heerden, Mia (749)  vs (709) Louw, Marilee South African Junior Championships 2015 Irregular Queen's Pawn  | 
                                                                                                                                                1/2-1/2 | A40 | |
| 2016.01.08 | Staal, Micaela Francis (1172)  vs (749) Van Heerden, Mia South African Junior Championships 2015 Two Knights - Four Knights  | 
                                                                                                                                                1-0 | C50 | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2016.07.29 | Joubert, Dantelle (1453) vs (1259) Van Heerden, Lara World Youth U16 Olympiad Spanish Berlin  | 
                                                                                                                                                1-0 | C65 | |
| 2016.07.28 | Van Heerden, Lara (1259) vs (1594) Liu, Suhui World Youth U16 Olympiad Sicilian  | 
                                                                                                                                                1/2-1/2 | B30 | |
| 2016.07.27 | Hoshino, Karen (1818) vs (1259) Van Heerden, Lara World Youth U16 Olympiad Queen's Gambit Declined  | 
                                                                                                                                                1-0 | D31 | |
| 2016.07.27 | Van Heerden, Lara (1259) vs (1220) Ieong, Pui Kuan World Youth U16 Olympiad Two Knights  | 
                                                                                                                                                1-0 | C57 | |
| 2016.07.25 | Heimisson, Hilmir Fr (1974) vs (1259) Van Heerden, Lara World Youth U16 Olympiad Queen's Gambit Declined - Charousek  | 
                                                                                                                                                1-0 | D31 | |
| 2016.07.24 | Van Heerden, Lara (1259) vs (1548) Petrek, David World Youth U16 Olympiad Scandinavian  | 
                                                                                                                                                1-0 | B01 | |
| 2016.07.23 | Bobrova, Katarina (1370) vs (1259) Van Heerden, Lara World Youth U16 Olympiad Reti Zukertort  | 
                                                                                                                                                0-1 | A06 | |
| 2016.07.23 | Goss, Alex (1618) vs (1259) Van Heerden, Lara World Youth U16 Olympiad Queen's Gambit Declined  | 
                                                                                                                                                1-0 | D31 | |
| 2016.07.22 | Van Heerden, Lara (1259) vs (1791) Onur, Cigdem World Youth U16 Olympiad Sicilian  | 
                                                                                                                                                0-1 | B30 | |
| 2013.07.13 | Klaasen, C. (2140) vs Van Heerden, Claude Commonwealth & RSA Open Gruenfeld Three Knights (Burille) - Opocensky  | 
                                                                                                                                                1-0 | D94 | |
| 2013.07.06 | Van Heerden, Claude vs (2492) Conquest, S. Commonwealth & RSA Open Sicilian Center Game - Smith-Morra  | 
                                                                                                                                                0-1 | B21 |