 
                                    | Date | Chess tournament name | Status | 
|---|---|---|
| 2022-02-12 to 2022-02-13 | IRT Sub 2400 Municipalidad de La Toma - Club Don Lucero. 12 y 13 de Febrero 2022  | Finished | 
| 2018-02-02 to 2018-02-04 | TORNEO ABIERTO INTERNACIONAL "COMPLEJO BETANIA - SAN LUIS" Del 2 al 4 de febrero - $ 10.000.- en premios - Abierto sin límite de ELO  | Finished | 
| 2018-02-02 to 2018-02-04 | TORNEO ABIERTO INTERNACIONAL "COMPLEJO BETANIA - SAN LUIS" Del 2 al 4 de febrero - $ 10.000.- en premios - Abierto sin límite de ELO  | Finished | 
| 2015-02-27 to 2015-03-01 | Primer Torneo IRT Don Lucero 2015  | Finished | 
| 2014-12-19 to 2014-12-21 | Provincial San Luis 2014  | Finished | 
| 2014-12-03 to 2014-12-08 | ABIERTO UNIVERSIDAD DE LA PUNTA COPA PROV. DE SAN LUIS $ 200.000 en premios  | Finished | 
| 2011-08-06 to 2011-08-06 | Tercera Etapa Gran Prix ULP 2011  | Finished | 
| 2011-07-16 to 2011-07-16 | Segunda Etapa Gran Prix ULP 2011  | Finished | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2018.02.02 | Mac Donal, Oscar (2044)  vs (1802) Boccia, Nicolas TORNEO ABIERTO INTERNACIONAL "COMPLEJO BETANIA - SAN LUIS" Alekhine | 1-0 | B02 | |
| 2014.12.21 | Mac Donal, Oscar (2045)  vs (1860) Cristaldo, Victor Provincial San Luis 2014 Reti Symmetrical - Barcza | 1/2-1/2 | A05 | |
| 2014.12.21 | Garcia, Victor (1582)  vs (2045) Mac Donal, Oscar Provincial San Luis 2014 Falkbeer Counter-Gambit | 0-1 | C31 | |
| 2014.12.20 | Mac Donal, Oscar (2045)  vs (2151) Palmero, Pablo Provincial San Luis 2014 Queen's Pawn Zukertort | 0-1 | D02 | |
| 2014.12.20 | Besso, Guadalupe (1989)  vs (2045) Mac Donal, Oscar Provincial San Luis 2014 Modern | 1/2-1/2 | A41 | |
| 2014.12.19 | Gonzalez, Ezequiel vs (2045) Mac Donal, Oscar Provincial San Luis 2014 Irregular King's Knight - Queen's Pawn | 0-1 | C40 | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2007.12.22 | Liascovich, L. (2430) vs (2023) Mac Donal, O. VI Memorial Pereyra King's Indian | 1/2-1/2 | E61 | |
| 2007.12.21 | Virgillito, C. (2215) vs (2023) Mac Donal, O. VI Memorial Pereyra Vienna Falkbeer - Mieses | 1-0 | C26 | |
| 2007.12.19 | Mac Donal, O. (2023) vs (2355) Obregon, A. VI Memorial Pereyra Sicilian | 0-1 | B50 | |
| 2007.12.16 | Salguero, F. (2310) vs (2023) Mac Donal, O. VI Memorial Pereyra Reti Symmetrical | 1-0 | A05 | |
| 2005.12.20 | Mac Donal, O. (2015) vs Villegas, David IV Memorial Pereyra Puebla Reti Symmetrical - King's Indian | 1-0 | A05 | |
| 2005.12.18 | Massut, Gabriel vs (2015) Mac Donal, O. IV Memorial Pereyra Puebla Old Indian | 1/2-1/2 | A53 |