 
                                    | Date | Chess tournament name | Status | ||
|---|---|---|---|---|
| No results | No results | No results | No results | No results | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| No results | No results | No results | No results | No results | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2005.06.02 | Churin, L. (2252) vs (2418) Diaz, Nah TCh-ARG Magistral AFA Modern Averbakh - Kotov (Robatsch) | 0-1 | A42 | |
| 1996.01.01 | Vasquez, R. (2520) vs (2310) Churin, L. Mar del Plata open Benko Gambit - Half-Accepted | 1-0 | A57 | |
| 1995.01.01 | Soppe, G. vs Churin, Leonardo Najdorf Open Indian Knight - Spielmann | 1/2-1/2 | A46 | |
| 1994.01.01 | Sifres, Pablo vs Churin, Leonardo Buenos Aires GP English Anglo-Indian (Queen's Knight) | 1-0 | A16 | |
| 1992.01.01 | Schuster, Carlos vs Churin, Leonardo FAGSBA Superior Benko Gambit Accepted - Half-Accepted | 1-0 | A58 | |
| 1994.01.01 | Pontnau, Gustavo vs Churin, Leonardo Buenos Aires GP Reti | 0-1 | A04 | |
| 1993.01.01 | Moreno, Javier vs Churin, Leonardo San Jorge ch-ARG U20 Sicilian Rossolimo (Fianchetto) - Rossolimo | 1-0 | B31 | |
| 1992.01.01 | Sapienza, Julian vs Churin, Leonardo Moron jr UFAPBA Sicilian - Pelikan | 0-1 | B33 | |
| 1993.01.01 | Moiset, Gaston vs Churin, Leonardo San Jorge ch-ARG U20 Sicilian - Pelikan | 0-1 | B33 | |
| 1993.01.01 | Riego Prieto, Victo vs Churin, Leonardo Chaco Tch-ARG Sicilian | 1-0 | B30 | |
| 1992.01.01 | Panelo, Marcelo vs Churin, Leonardo San Rafael ch-ARG jr King's Indian | 1-0 | E61 | |
| 1993.01.01 | Rosito, J. vs Churin, L. Mar del Plata open Sicilian Rossolimo (Fianchetto) - Rossolimo | 1/2-1/2 | B31 | |
| 1996.01.01 | Pereyra Arcija, D. (2430) vs (2310) Churin, L. Mar del Plata open Sicilian Rossolimo (Fianchetto) - Rossolimo | 1/2-1/2 | B31 | |
| 1994.01.01 | Miravent, Pablo vs Churin, Leonardo Buenos Aires GP Indian Knight - Polish | 1-0 | A46 | |
| 1993.01.01 | Mastroianni, Pedro vs Churin, Leonardo Chaco Tch-ARG B Sicilian - Pelikan | 0-1 | B33 | |
| 1993.01.01 | Massenzano, Gerardo vs Churin, Leonardo San Jorge ch-ARG U20 Sicilian | 1/2-1/2 | B30 | |
| 1996.01.01 | Martin, M. vs (2310) Churin, L. Mar del Plata open Reti | 1-0 | A04 | |
| 1992.01.01 | Langier, Daniel vs Churin, Leonardo San Rafael ch-ARG jr Sicilian - Pelikan | 1-0 | B33 | |
| 1992.01.01 | Luna, Mariano vs Churin, Leonardo Moron jr UFAPBA Indian Knight - Spielmann | 0-1 | A46 | |
| 1992.01.01 | Gonzalez, Diego vs Churin, Leonardo San Rafael ch-ARG jr Sicilian - Pelikan (Bird) | 1/2-1/2 | B33 | |
| 1992.01.01 | Garzon, Enrique vs Churin, Leonardo Buenos Aires Sicilian Closed - Botvinnik | 0-1 | B25 | |
| 1993.01.01 | Garcia, Mario vs Churin, Leonardo Chaco Tch-ARG Sicilian - Labourdonnais | 0-1 | B32 | |
| 1992.01.01 | Ferragud, Leandro vs Churin, Leonardo San Rafael ch-ARG jr Sicilian - Pelikan (Bird) | 0-1 | B33 | |
| 1993.01.01 | De las Heras, Juan vs Churin, Leonardo Salto UFAPBA Sicilian Rossolimo (Fianchetto) - Rossolimo | 1-0 | B31 | |
| 1992.01.01 | De la Vega, Marcelo vs Churin, Leonardo Buenos Aires GP I Sicilian - Pelikan | 0-1 | B33 | |
| 1989.01.01 | Churin, Leonardo vs Herrera, Fernando England Indian East Indian | 0-1 | A48 | |
| 1992.01.01 | Churin, Leonardo vs Moreno, Javier Buenos Aires King's Indian Four Pawns - Dynamic | 0-1 | E76 | |
| 1992.01.01 | Churin, Leonardo vs Fiorito, F. Buenos Aires COOP tt Benko Gambit Accepted - Half-Accepted | 0-1 | A58 | |
| 1992.01.01 | Churin, Leonardo vs Flocco, A. Buenos Aires GP I Bogo-Indian | 1-0 | E11 | |
| 1992.01.01 | Churin, Leonardo vs Borghi, Humberto Buenos Aires GP I Dutch Indian - Semi-Leningrad | 0-1 | A81 | |
| 1992.01.01 | Churin, Leonardo vs Hobaica, Juan Moron jr UFAPBA King's Indian Saemisch - Steiner | 0-1 | E81 | |
| 1992.01.01 | Churin, Leonardo vs Dolezal, Christian Moron jr UFAPBA Modern | 0-1 | A41 | |
| 1992.01.01 | Churin, Leonardo vs Harper, Horacio Moron jr UFAPBA Bogo-Indian - Nimzovich | 1-0 | E11 | |
| 1992.01.01 | Churin, Leonardo vs Loiza, Martin Moron jr UFAPBA King's Indian Four Pawns - Dynamic | 1-0 | E76 | |
| 1992.01.01 | Churin, Leonardo vs Leytes, Diego San Rafael ch-ARG jr Queen's Gambit Declined | 1-0 | D37 | |
| 1992.01.01 | Churin, Leonardo vs Bustos, Cristian San Rafael ch-ARG jr Old Indian Ukrainian (Two Knights) - Ukrainian | 1/2-1/2 | A54 | |
| 1992.01.01 | Churin, Leonardo vs Iglesias, Jorge San Rafael ch-ARG jr Modern Benoni | 1/2-1/2 | A60 | |
| 1992.01.01 | Churin, Leonardo vs Hobaica, Juan San Rafael ch-ARG jr King's Indian Four Pawns - Dynamic | 1/2-1/2 | E76 | |
| 1993.01.01 | Churin, Leonardo vs Garcia Adilado Salto UFAPBA Benoni - Czech | 1-0 | A56 | |
| 1993.01.01 | Churin, Leonardo vs Recoulat, Eduardo Salto UFAPBA Gruenfeld Spassky | 0-1 | D87 | |
| 1993.01.01 | Churin, Leonardo vs Roman, Facundo Salto UFAPBA Old Indian - Janowski | 1/2-1/2 | A53 | |
| 1993.01.01 | Churin, Leonardo vs Rocabado, Fernando San Jorge ch-ARG U20 Slav Dutch | 1-0 | D19 | |
| 1993.01.01 | Churin, Leonardo vs Quattordio, Juan San Jorge ch-ARG U20 King's Indian Four Pawns - Dynamic | 1-0 | E76 | |
| 1993.01.01 | Churin, Leonardo vs Ginzburg, M. San Jorge ch-ARG U20 Queen's Indian - Russian | 1/2-1/2 | E12 | |
| 1994.01.01 | Churin, Leonardo vs Giardelli, S. Buenos Aires GP Benko Gambit - Half-Accepted (Zaitsev) | 1/2-1/2 | A57 | |
| 1994.01.01 | Churin, Leonardo vs Kanefsck, Gustavo Buenos Aires GP Semi-Slav | 0-1 | D43 | |
| 1995.01.01 | Churin, Leonardo vs Paglilla, Carlos Najdorf Open Modern Benoni Fianchetto (Hastings) - Fianchetto | 0-1 | A64 | |
| 1993.01.01 | Churin, L. vs Paz, V. Mar del Plata open Gruenfeld Exchange (Classical) | 1/2-1/2 | D86 | |
| 1996.01.01 | Churin, L. (2310) vs (2485) Panno, O. Mar del Plata open Queen's Indian - Russian | 1/2-1/2 | E12 | |
| 1996.01.01 | Churin, L. (2310) vs (2190) Mondaca, O. Mar del Plata open Indian East Indian | 1/2-1/2 | A48 | |
| 1996.01.01 | Churin, L. (2310) vs Corsi Ferrari, A. Mar del Plata open Queen's Gambit Declined Semi-Tarrasch | 1-0 | D41 | |
| 1993.01.01 | Carrizo, J. vs Churin, L. Mar del Plata open Indian Knight - Spielmann | 1-0 | A46 | |
| 1993.01.01 | Bruno, Eduardo vs Churin, Leonardo Salto UFAPBA Sicilian | 0-1 | B30 | |
| 1995.01.01 | Bianchi, Guillermo vs Churin, Leonardo Najdorf Open Sicilian | 1/2-1/2 | B30 | |
| 1993.01.01 | Balduzzi, Reynaldo vs Churin, Leonardo Salto UFAPBA English Anglo-Indian (Queen's Knight) | 1-0 | A16 | |
| 1992.01.01 | Baisotti, Pablo vs Churin, Leonardo Buenos Aires GP I Indian Knight - Spielmann | 0-1 | A46 | |
| 1992.01.01 | Angelillo, Sergio vs Churin, Leonardo Moron jr UFAPBA Benoni | 0-1 | A56 | |
| 1993.01.01 | Alonso, Salvador vs Churin, Leonardo San Jorge ch-ARG U20 Sicilian Rossolimo (Fianchetto) - Rossolimo | 0-1 | B31 |