 
                                    | Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2025.02.22 | Claros Claros, Jose Gabriel (1405)  vs (1519) Guzman Heredia, Simon 2do Nacional Grand Prix (Sucre - Bolivia) Nimzovich - Modern | 1-0 | A01 | |
| 2025.02.22 | Guzman Heredia, Simon (1519)  vs Avila Calani, Thiago Valentin 2do Nacional Grand Prix (Sucre - Bolivia) Reti Gambit | 0-1 | A09 | |
| 2025.02.21 | Guzman Heredia, Simon (1519)  vs (1528) Santivanez Videz, Nicole Denisse 2do Nacional Grand Prix (Sucre - Bolivia) Reti Gambit | 0-1 | A09 | |
| 2025.02.21 | Rodriguez Barrientos, Johan Raziel (1518)  vs (1519) Guzman Heredia, Simon 2do Nacional Grand Prix (Sucre - Bolivia) Caro-Kann - Two Knights (Mindeno) | 1-0 | B11 | |
| 2025.02.20 | Guzman Heredia, Simon (1519)  vs (1882) Ferrufino, Boris 2do Nacional Grand Prix (Sucre - Bolivia) Reti Gambit - Anti-Meran | 0-1 | D43 | |
| 2025.02.20 | Mamani, Vladimir (1841)  vs (1519) Guzman Heredia, Simon 2do Nacional Grand Prix (Sucre - Bolivia) Bogo-Indian | 1-0 | E11 | |
| 2024.05.26 | Guzman Heredia, Simon (1541)  vs Quispe Campos, Gueder Cristian Nacional sub 1700 Elo Fide Estandar Clasificatorio Panamericano Amateur Tarrasch | 1/2-1/2 | D32 | |
| 2024.05.25 | Cortez Chuviru, Gael Marbel (1685)  vs (1541) Guzman Heredia, Simon Nacional sub 1700 Elo Fide Estandar Clasificatorio Panamericano Amateur Indian | 1-0 | A45 | |
| 2024.05.25 | Guzman Heredia, Simon (1541)  vs (1412) Penaranda Mamani, Brian Adiel Nacional sub 1700 Elo Fide Estandar Clasificatorio Panamericano Amateur English Sicilian | 0-1 | A21 | |
| 2023.03.03 | Fernandez Conni, Isaac Paulo (1559)  vs (1291) Guzman Heredia, Simon 6to Grand Prix Nacional de Ajedrez 2022-2023 Sede: Cochabamba Caro-Kann Exchange | 1-0 | B13 | |
| 2023.03.02 | Guzman Heredia, Simon (1291)  vs Apaza Chambi, Deuel Gael 6to Grand Prix Nacional de Ajedrez 2022-2023 Sede: Cochabamba Reti Gambit - Accepted | 1-0 | A09 | |
| 2023.03.02 | Ferrufino, Boris (1902)  vs (1291) Guzman Heredia, Simon 6to Grand Prix Nacional de Ajedrez 2022-2023 Sede: Cochabamba Indian Knight | 1-0 | A46 | |
| 2022.06.16 | Pinto, Daniel (2284)  vs (1291) Guzman Heredia, Simon Torneo IRT "Internacional Casa Argentina" 2022 Indian Knight - Catalan | 1-0 | D02 | |
| 2018.02.01 | Lopez, Mario Yber (2197)  vs (1340) Guzman Heredia, Simon 1er Clasificatorio Nacional de Mayores Absoluto 2018 French MacCutcheon | 1-0 | C12 | |
| 2017.10.22 | Guzman Heredia, Simon (1380)  vs Jauregui, Alvaro IRT Fundación de La Paz 2017 Modern | 1/2-1/2 | A41 | |
| 2017.10.22 | Saavedra Mogro, Rafael vs (1380) Guzman Heredia, Simon IRT Fundación de La Paz 2017 French - King's Knight | 0-1 | C00 | |
| 2017.10.21 | Guzman Heredia, Simon (1380)  vs (1106) Pacheco Arteaga, Natalia IRT Fundación de La Paz 2017 Reti Zukertort | 1-0 | A06 | |
| 2017.10.21 | Parraga, Alejandro (2138)  vs (1380) Guzman Heredia, Simon IRT Fundación de La Paz 2017 King's Indian Fianchetto | 1-0 | E62 | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| No results | No results | No results | No results | No results |